Study to Assess Safety and Preliminary Activity of Eribulin Mesylate in Pediatric Participants With Relapsed/Refractory Rhabdomyosarcoma (RMS), Non-rhabdomyosarcoma Soft Tissue Sarcoma (NRSTS) and Ewing Sarcoma (EWS)

Sponsor
Eisai Inc. (Industry)
Overall Status
Completed
CT.gov ID
NCT03441360
Collaborator
(none)
23
41
3
45.2
0.6
0

Study Details

Study Description

Brief Summary

This study will be conducted as an assessment of the safety and preliminary activity of eribulin mesylate in pediatric participants with relapsed/refractory rhabdomyosarcoma (RMS), non-rhabdomyosarcoma soft tissue sarcoma (NRSTS), or Ewing sarcoma (EWS) to determine whether each cohort warrants further investigation.

Condition or Disease Intervention/Treatment Phase
  • Drug: Eribulin mesylate
Phase 2

Study Design

Study Type:
Interventional
Actual Enrollment :
23 participants
Allocation:
Non-Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
A Phase 2, Multicenter, Open-label Study to Assess Safety and Preliminary Activity of Eribulin Mesylate in Pediatric Subjects With Relapsed/Refractory Rhabdomyosarcoma (RMS), Non-rhabdomyosarcoma Soft Tissue Sarcoma (NRSTS) and Ewing Sarcoma (EWS)
Actual Study Start Date :
Apr 17, 2018
Actual Primary Completion Date :
Jan 7, 2021
Actual Study Completion Date :
Jan 21, 2022

Arms and Interventions

Arm Intervention/Treatment
Experimental: Eribulin mesylate 1.4 mg/m^2: RMS

Pediatric participants with relapsed/refractory rhabdomyosarcoma (RMS) will receive eribulin mesylate administered as an intravenous (IV) infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 milligrams per meters squared (mg/m^2). Participants will continue study therapy until progression of disease (per Response Evaluation Criteria In Solid Tumors [RECIST] 1.1), intolerable toxicity, or withdrawal of consent.

Drug: Eribulin mesylate
Intravenous infusion

Experimental: Eribulin mesylate 1.4 mg/m^2: NRSTS

Pediatric participants with non-rhabdomyosarcoma soft tissue sarcoma (NRSTS) will receive eribulin mesylate administered as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants will continue study therapy until progression of disease (per RECIST 1.1), intolerable toxicity, or withdrawal of consent.

Drug: Eribulin mesylate
Intravenous infusion

Experimental: Eribulin mesylate 1.4 mg/m^2: EWS

Pediatric participants with Ewing sarcoma (EWS) will receive eribulin mesylate administered as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants will continue study therapy until progression of disease (per RECIST 1.1), intolerable toxicity, or withdrawal of consent.

Drug: Eribulin mesylate
Intravenous infusion

Outcome Measures

Primary Outcome Measures

  1. Percentage of Participants With Objective Response [From date of randomization up to first documentation of disease progression (PD) or date of death, whichever occurred first, up to data cutoff date 07 Jan 2021 (approximately 32 months)]

    Percentage of participants achieving a best objective response of partial response (PR) or complete response (CR) per RECIST 1.1, by up to 24 weeks after all participants have completed response assessment. Response assessment was determined by investigator. CR was defined as the disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must had reduction in the short axis to less than (<) 10 millimeters (mm). PR was defined as at least a 30 percent (%) decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.

Secondary Outcome Measures

  1. Progression-free Survival (PFS) [From the time from the first dose date to the date of disease progression (PD) or date of death, whichever occurred first, up to data cutoff date 07 Jan 2021 (approximately 32 months)]

    PFS was defined as the time from the first dose date to the date of PD or date of death (whichever occurred first). PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this included the baseline sum if that was the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. (Note: the appearance of one or more new lesions was also considered progression).

  2. Number of Participants With Any Treatment-emergent Adverse Events (AEs) and Serious Adverse Events (SAEs) [From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)]

    An AE was any untoward medical occurrence in participant administered with an investigational product. An SAE was any untoward medical occurrence that at any dose: resulted in death; life threatening; requires participant hospitalization or prolongation of existing hospitalization; resulted in persistent or significant disability/incapacity; was a congenital anomaly/birth defect (in the child of a participant who was exposed to the study drug). A treatment-emergent adverse event (TEAE) was defined as an AE that emerges during treatment, having been absent at pretreatment (Baseline) or (1) reemerges during treatment, having been present at pretreatment (Baseline) but stopped before treatment, or (2) worsens in severity during treatment relative to the pretreatment state, when the AE is continuous.

  3. Number of Participants With a Shift From Baseline to Worst Post-Baseline Common Terminology Criteria for Adverse Events (CTCAE) Grade in Laboratory Value [From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)]

    Laboratory results were graded using CTCAE Version 4.03. As per CTCAE, Grade 1 scales as Mild; Grade 2 scales as Moderate; Grade 3 scales as severe or medically significant but not immediately life threatening; Grade 4 scales as life-threatening consequences.

  4. Number of Participants With Clinically Significant Change From Baseline in Electrocardiogram (ECG) Values [From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)]

  5. Number of Participants With Clinically Significant Change From Baseline in Vital Signs Values [From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)]

  6. Number of Participants With Shift From Baseline to Worst Post-baseline for Lansky Play-performance Scale [Baseline up to data cutoff date 07 Jan 2021 (approximately 32 months)]

    Reduced activities of daily living was assessed using the Lansky Play Performance Scale, where 100=fully active; 90=minor restrictions in strenuous physical activity; 80=active, gets tired more quickly; 70=greater restriction of play, less time spent in play activity; 60=up and around, active play minimal; quieter activities; 50=lying around much of the day; no active playing, all quiet play and activities; 40=mainly in bed; quiet activities; 30=bedbound; needs assistance even for quiet play; 20=sleeps often; play limited to very passive activities; 10=doesn't play or get out of bed; 5=unresponsive 0=dead.

  7. Number of Participants With Shift From Baseline to Worst Post-baseline for Karnofsky Performance Status Scores [Baseline up to data cutoff date 07 Jan 2021 (approximately 32 months)]

    Karnofsky performance status was assessed as the best and worst score change from baseline using the Karnofsky performance criteria. The Karnofsky score classified participants according to their functional impairment. Scores were on a scale from 0-100, the lower the score, the worst the survival for most serious illnesses. Where 100= normal; no complaints; no evidence of disease; 90= able to carry on normal activity with effort, minor sign or symptoms of disease; 80= normal activity with effort; some sign or symptoms of disease; 70= cares for self; unable to carry on normal activity or do active work; 60= requires occasional assistance, but is able to care for most personal needs; 50= requires considerable assistance and frequent medical care; 40= disabled; requires special care and assistance; 30= severely disabled; hospitalization is indicated, although death is not imminent; 20= very sick; hospitalization; 10= moribund; fatal processes progressively worsening; 0= dead.

  8. Duration of Response (DOR) [From day of first documentation of PR or CR to the day of disease progression or death (up to 32 months)]

    DOR was defined as the time from the first date of documented PR or CR to the date of disease progression or date of death (whichever occurred first). CR was defined as the disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must had reduction in the short axis to <10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this included the baseline sum if that was the smallest on study).

  9. Overall Survival (OS) [From the day of first dose to the day of death, up to data cut off date 07 Jan 2021 (approximately 32 months)]

    OS was defined as the time from the first dose date to the date of death.

Eligibility Criteria

Criteria

Ages Eligible for Study:
12 Months to 18 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  • Age: ≥12 months to <18 years old at the time of informed consent

  • Diagnosis: Histologically confirmed rhabdomyosarcoma (RMS), non-rhabdomyosarcoma soft tissue sarcoma (NRSTS) (Grade 2 or 3), or Ewing sarcoma (EWS) which is relapsed or refractory (failed front line therapy)

  • The presence of measurable disease meeting the following criteria:

  • At least 1 lesion of ≥1.0 centimeter (cm) in the longest diameter for a non-lymph node or ≥1.5 cm in the short-axis diameter for a lymph node that is serially measurable according to Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 using computerized tomography/magnetic resonance imaging (CT/MRI).

  • Lesions that have had radiotherapy must show subsequent radiographic evidence of increase in size by at least 20% to be deemed a target lesion.

  • Therapeutic options: Participant's current disease state must be one for which there is no known curative therapy or therapy proven to prolong survival with an acceptable quality of life.

  • Performance level: Performance score ≥50%. Karnofsky (for participants >16 years of age) or Lansky (for participants ≤16 years of age). Participants who are unable to walk because of paralysis and/or previous surgeries, but who are in a wheelchair, will be considered ambulatory for the purpose of assessing performance score.

  • Participants must have fully recovered from the acute toxic effects of all prior anticancer therapy and must meet the following minimum duration from prior anticancer directed therapy prior to study drug administration. If, after the required time frame, the numerical eligibility criteria are met, eg, blood count criteria, the participant is considered to have recovered adequately:

  • Cytotoxic chemotherapy or other chemotherapy known to be myelosuppressive: ≥21 days after the last dose of cytotoxic or myelosuppressive chemotherapy (42 days if prior nitrosourea).

  • Anticancer agents not known to be myelosuppressive (eg, not associated with reduced platelet or absolute neutrophil count [ANC] counts): ≥7 days after the last dose of agent.

  • Monoclonal antibodies ≥ 3 half-lives must have elapsed from infusion of last dose of antibody (including checkpoint inhibitors), and toxicity related to prior antibody therapy must be recovered to Grade ≤1.

  • Hematopoietic growth factors: ≥14 days after the last dose of a long-acting growth factor (eg, Neulasta) or 7 days for a short-acting growth factor. For agents that have known adverse events (AEs) occurring beyond 7 days after administration, this period must be extended beyond the time during which AEs are known to occur. The duration of this interval must be discussed with the sponsor.

  • Interleukins, interferons, and cytokines (other than hematopoietic growth factors): ≥21 days after the completion of interleukins, interferons, or cytokines (other than hematopoietic growth factors)

  • Stem cell infusions (with or without total body irradiation [TBI]): ≥84 days

  • Allogeneic (non-autologous) bone marrow or stem cell transplant, or any stem cell infusion including donor lymphocyte infusion or boost infusion: ≥84 days after infusion and no evidence of graft versus host disease (GVHD)

  • Autologous stem cell infusion including boost infusion: ≥42 days

  • Cellular therapy: ≥42 days after the completion of any type of cellular therapy (eg, modified T-cells, natural killer cells, dendritic cells, etc)

  • Radiation therapy (XRT)/External Beam Irradiation including Protons: ≥14 days after local XRT; ≥150 days after TBI, craniospinal XRT or if radiation to ≥50% of the pelvis; ≥42 days if other substantial BM radiation

  • Radiopharmaceutical therapy (eg, radiolabeled antibody, 131I-metaiodobenzylguanidine): ≥42 days after systemically administered radiopharmaceutical therapy.

  • Adequate bone marrow function, defined as:

  • ANC ≥1.0 × 10^9/Liter (L)

  • Platelet count ≥100 × 10^9/L (transfusion independent, defined as not receiving platelet transfusions within a 7-day period prior to study drug administration)

  • Hemoglobin at least 8.0 grams per deciliter (g/dL) at Baseline (blood transfusions are allowed during the screening period to correct hemoglobin values less than 8.0 g/dL) Note: As blood transfusions are permitted to meet the hemoglobin criteria, participants requiring transfusion must not be known to be refractory to red blood cell or platelet transfusions.

  • Adequate renal function, defined as:

  • A serum creatinine based on age/gender, derived from the Schwartz formula for estimating glomerular filtration rate (GFR)

  • Or creatinine clearance or GFR ≥50 milliliters per minute (mL/min)/1.73 meters squared (m^2) based on a 12 or 24 hour urine creatinine collection

  • Adequate liver function, defined as:

  • Bilirubin (sum of conjugated + unconjugated) ≤1.5 × upper limit of normal (ULN) for age

  • Alanine aminotransferase (ALT) ≤110 units per Liter (U/L). For the purpose of this study, the ULN for ALT is 45 U/L

  • Serum albumin ≥2 g/dL

  • Informed consent: All participants and/or their parents or legally authorized representatives must sign a written informed consent. Assent, when appropriate, will be obtained according to institutional guidelines. Participants must be willing to comply with all aspects of the protocol.

Exclusion Criteria:
  • Pregnancy, breastfeeding, contraception: Females who are breastfeeding or pregnant at Screening or Baseline (as documented by a positive beta-human chorionic [β-hCG] or human chorionic gonadotropin [hCG] test with a minimum sensitivity of 25 International Units per Liter [IU/L] or equivalent units of β-hCG [or hCG]). A separate baseline assessment is required if a negative screening pregnancy test was obtained more than 72 hours before the first dose of study drug.

  • Females of childbearing potential (all post pubertal females will be considered to be of childbearing potential unless they have early menopause [amenorrheic for at least 12 consecutive months, in the appropriate age group, and without other known or suspected cause] or have been sterilized surgically [ie, bilateral tubal ligation, total hysterectomy, or bilateral oophorectomy, all with surgery at least 1 month before dosing]) who:

  • Do not agree to use a highly effective method of contraception for the entire study period and for 6 months after study drug discontinuation, ie:

  • Total abstinence (if it is their preferred and usual lifestyle);

  • An intrauterine device (IUD) or intrauterine system (IUS);

  • A contraceptive implant;

  • An oral contraceptive (must be on a stable dose of the same oral hormonal contraceptive product for at least 4 weeks before dosing with study drug and for the duration of the study and for 6 months after study drug discontinuation); or

  • Do not have a vasectomized partner with confirmed azoospermia.

For sites outside of the European Union (EU), it is permissible that if a highly effective method of contraception is not appropriate or acceptable to the participant, or the participant has commenced/adjusted/changed oral hormonal contraceptive product/dose within 4 weeks prior to study drug administration, then the participant must agree to use a medically acceptable method of contraception, ie, double barrier methods of contraception such as condoms plus diaphragm or cervical/vault cap with spermicide.

  • Males who have not had a successful vasectomy (confirmed azoospermia) or if they and their female partners do not meet the criteria above (ie, not of childbearing potential or practicing highly effective contraception throughout the study period or for 3 months after study drug discontinuation). No sperm donation is allowed during the study period or for 3 months after study drug discontinuation.

  • Concomitant medications:

  • Corticosteroids: Participants receiving corticosteroids who have not been on a stable or decreasing dose of corticosteroid for at least 7 days prior to study drug administration (except when indicated for Central Nervous System [CNS] metastases, then participants must not have received corticosteroids for at least 28 days)

  • Anticancer Agents: participants who are currently receiving other anticancer agents

  • Anti-GVHD agents Post-transplant: Participants who are receiving cyclosporine, tacrolimus or other agents to prevent graft-versus-host disease post bone marrow transplant

  • Strong CYP3A4 inducers/inhibitors

  • Received prior therapy with eribulin mesylate

  • Any other malignancy that required treatment (except for non-melanoma skin cancer, or histologically confirmed complete excision of carcinoma in situ), within 2 years prior to study drug administration

  • Has hypersensitivity to eribulin or any of the excipients

  • Has a prior history of viral hepatitis (B or C) as demonstrated by positive serology (presence of antigens) or have an uncontrolled infection requiring treatment. Participants with a known prior history of hepatitis B or C may be eligible pending agreement with the sponsor.

  • Has > Grade 1 peripheral sensory neuropathy or > Grade 1 peripheral motor neuropathy graded according to the Modified ("Balis") Pediatric Scale of Peripheral Neuropathies

  • Has cardiac pathology: Participants with known congestive heart failure, symptomatic or left ventricular (LV) ejection fraction <50% or shortening fraction <27%

  • Participants with congenital long QT syndrome, bradyarrhythmias, or QTc >480 millisecond (msec) on at least 2 separate electrocardiograms (ECGs).

  • Has CNS Disease: Participants with brain or subdural metastases are not eligible unless the metastases are asymptomatic and do not require treatment or have been adequately treated by local therapy (eg, surgery or radiotherapy) and have discontinued the use of corticosteroids for this indication for at least 4 weeks prior to study drug administration. Confirmation of radiographic stability must be done by comparing the brain scan (CT or MRI) performed during the Screening Period, using the same imaging modality, to a brain scan performed earlier (and following local therapy where applicable). Participants must be clinically stable. It is not the intention of this protocol to treat participants with active brain metastases.

Note: CNS imaging is required to confirm eligibility for participants with a known history of CNS disease.

  • Have had or are planning to have the following invasive procedures:

  • Major surgical procedure or significant traumatic injury within 28 days prior to study drug administration

  • Laparoscopic procedure or open biopsy within 7 days prior to study drug administration

  • Central line placement or subcutaneous port placement is not considered major surgery but must be placed at least 2 days prior to study drug administration

  • Core biopsy, including bone marrow biopsy, within 2 days prior to study drug administration

  • Fine needle aspirate within 3 days prior to study drug administration

  • Has any serious concomitant illness that in the opinion of the investigator(s) could affect the participant's safety or interfere with the study assessments

  • Participants with known human immunodeficiency virus (HIV); due to lack of available safety data for eribulin therapy in HIV-infected participants

Contacts and Locations

Locations

Site City State Country Postal Code
1 University of Alabama at Birmingham Birmingham Alabama United States 35233
2 Phoenix Children's Hospital Phoenix Arizona United States 85016
3 Loma Linda University Cancer Center Loma Linda California United States 92350
4 Children's Hospital Los Angeles Los Angeles California United States 90027
5 Southern California Permanente Medical Group Los Angeles California United States 90027
6 Children's Hospital of Orange County Orange California United States 92868
7 Rady Children's Hospital- San Diego San Diego California United States 92123
8 Connecticut Children's Medical Center Hartford Connecticut United States 06106
9 Nemours / A.I. duPont Hospital for Children Wilmington Delaware United States 19803
10 Children's National Medical Center Washington District of Columbia United States 20010
11 Nemours Children's Clinic Jacksonville Florida United States 32207
12 Children's Healthcare of Atlanta Atlanta Georgia United States 30322
13 Ann & Robert H. Lurie Children's Hospital of Chicago Chicago Illinois United States 60611
14 Riley Hospital for Children - Indiana University Indianapolis Indiana United States 46202
15 Blank Children's Hospital Des Moines Iowa United States 50309
16 Norton Children's Hospital Louisville Kentucky United States 40202
17 Johns Hopkins University Baltimore Maryland United States 21287
18 CS Mott Children's Hospital Ann Arbor Michigan United States 48109
19 Children's Hospitals and Clinics of Minnesota Minneapolis Minnesota United States 55404
20 University of Minnesota Minneapolis Minnesota United States 55455
21 University of Mississippi Medical Center Jackson Mississippi United States 39216
22 Children's Mercy Hospital and Clinics Kansas City Missouri United States 64108
23 Hackensack University Medical Center Hackensack New Jersey United States 07601
24 Rutgers cancer Institute of NJ New Brunswick New Jersey United States 08853
25 Columbia University Medical Center New York New York United States 10032
26 Children's Hospital Medical Center of Akron Akron Ohio United States 44308
27 Cincinnati Children's Hospital Medical Center Cincinnati Ohio United States 45229
28 Nationwide Children's Hospital Columbus Ohio United States 43205
29 Randall Children's Hospital at Legacy Emanuel Portland Oregon United States 97227
30 Geisinger Medical Center Danville Pennsylvania United States 17822
31 Penn State Health Hershey Medical Center Hershey Pennsylvania United States 17033
32 Children's Hospital of Philadelphia Philadelphia Pennsylvania United States 19104
33 Children's Hospital of Pittsburgh of UPMC Pittsburgh Pennsylvania United States 15224
34 Vanderbilt Ingram Cancer Center Nashville Tennessee United States 37232
35 Children's Medical Center Dallas Texas United States 75235
36 Cook Children's Medical Center Fort Worth Texas United States 76104
37 Methodist Children's Hospital of South Texas San Antonio Texas United States 78229
38 Children's Hosptial of The King's Daughters Norfolk Virginia United States 23507
39 Seattle Children's Seattle Washington United States 98105
40 Providence Sacred Heart Medical Center and Children's Hospital Spokane Washington United States 99204
41 Children's Hospital of Wisconsin Milwaukee Wisconsin United States 53226

Sponsors and Collaborators

  • Eisai Inc.

Investigators

None specified.

Study Documents (Full-Text)

More Information

Publications

None provided.
Responsible Party:
Eisai Inc.
ClinicalTrials.gov Identifier:
NCT03441360
Other Study ID Numbers:
  • E7389-G000-223
First Posted:
Feb 22, 2018
Last Update Posted:
Mar 31, 2022
Last Verified:
Jan 1, 2022
Studies a U.S. FDA-regulated Drug Product:
Yes
Studies a U.S. FDA-regulated Device Product:
No
Keywords provided by Eisai Inc.
Additional relevant MeSH terms:

Study Results

Participant Flow

Recruitment Details Participants took part in the study at 38 investigative sites in the United States. Results in this summary are reported based on the primary completion date (07 Jan 2021) of the study.
Pre-assignment Detail A total of 24 participants were screened, of which 1 was screen failure and 23 participants were enrolled, out of which 21 participants were randomized and treated in the study and 2 were not treated due to withdrawal of consent and rapid disease progression (1 participant from each arm).
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with rhabdomyosarcoma (RMS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 milligrams per meter square (mg/m^2). Participants continued to receive study therapy until progression of disease, per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with Ewing sarcoma (EWS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Period Title: Overall Study
STARTED 8 8 5
COMPLETED 0 0 0
NOT COMPLETED 8 8 5

Baseline Characteristics

Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS Total
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Total of all reporting groups
Overall Participants 8 8 5 21
Age (years) [Mean (Standard Deviation) ]
Mean (Standard Deviation) [years]
10.4
(4.53)
11.8
(5.57)
13.2
(4.32)
11.6
(4.80)
Sex: Female, Male (Count of Participants)
Female
2
25%
4
50%
1
20%
7
33.3%
Male
6
75%
4
50%
4
80%
14
66.7%
Ethnicity (NIH/OMB) (Count of Participants)
Hispanic or Latino
3
37.5%
2
25%
1
20%
6
28.6%
Not Hispanic or Latino
5
62.5%
6
75%
3
60%
14
66.7%
Unknown or Not Reported
0
0%
0
0%
1
20%
1
4.8%
Race (NIH/OMB) (Count of Participants)
American Indian or Alaska Native
0
0%
0
0%
0
0%
0
0%
Asian
0
0%
1
12.5%
0
0%
1
4.8%
Native Hawaiian or Other Pacific Islander
0
0%
0
0%
0
0%
0
0%
Black or African American
2
25%
2
25%
1
20%
5
23.8%
White
5
62.5%
4
50%
2
40%
11
52.4%
More than one race
0
0%
0
0%
0
0%
0
0%
Unknown or Not Reported
1
12.5%
1
12.5%
2
40%
4
19%

Outcome Measures

1. Primary Outcome
Title Percentage of Participants With Objective Response
Description Percentage of participants achieving a best objective response of partial response (PR) or complete response (CR) per RECIST 1.1, by up to 24 weeks after all participants have completed response assessment. Response assessment was determined by investigator. CR was defined as the disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must had reduction in the short axis to less than (<) 10 millimeters (mm). PR was defined as at least a 30 percent (%) decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters.
Time Frame From date of randomization up to first documentation of disease progression (PD) or date of death, whichever occurred first, up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The FAS included all participants who receive at least 1 dose of study drug.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 8 8 5
Number (95% Confidence Interval) [percentage of participants]
0
0%
0
0%
0
0%
2. Secondary Outcome
Title Progression-free Survival (PFS)
Description PFS was defined as the time from the first dose date to the date of PD or date of death (whichever occurred first). PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this included the baseline sum if that was the smallest on study). In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. (Note: the appearance of one or more new lesions was also considered progression).
Time Frame From the time from the first dose date to the date of disease progression (PD) or date of death, whichever occurred first, up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The FAS included all participants who receive at least 1 dose of study drug.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 8 8 5
Median (95% Confidence Interval) [months]
1.74
1.30
0.76
3. Secondary Outcome
Title Number of Participants With Any Treatment-emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)
Description An AE was any untoward medical occurrence in participant administered with an investigational product. An SAE was any untoward medical occurrence that at any dose: resulted in death; life threatening; requires participant hospitalization or prolongation of existing hospitalization; resulted in persistent or significant disability/incapacity; was a congenital anomaly/birth defect (in the child of a participant who was exposed to the study drug). A treatment-emergent adverse event (TEAE) was defined as an AE that emerges during treatment, having been absent at pretreatment (Baseline) or (1) reemerges during treatment, having been present at pretreatment (Baseline) but stopped before treatment, or (2) worsens in severity during treatment relative to the pretreatment state, when the AE is continuous.
Time Frame From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The safety analysis set included all participants who receive at least 1 dose of study drug.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 8 8 5
TEAEs
8
100%
8
100%
5
100%
SAEs
6
75%
2
25%
3
60%
4. Secondary Outcome
Title Number of Participants With a Shift From Baseline to Worst Post-Baseline Common Terminology Criteria for Adverse Events (CTCAE) Grade in Laboratory Value
Description Laboratory results were graded using CTCAE Version 4.03. As per CTCAE, Grade 1 scales as Mild; Grade 2 scales as Moderate; Grade 3 scales as severe or medically significant but not immediately life threatening; Grade 4 scales as life-threatening consequences.
Time Frame From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The safety analysis set included all participants who receive at least 1 dose of study drug. Here number analyzed "n" are the participants who were evaluable for the outcome measure for given categories with non-missing data at both baseline and any post-baseline.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 8 8 5
Baseline to Worst Post-baseline Grade 0, Hemoglobin Decreased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 1, Hemoglobin Decreased
3
37.5%
4
50%
3
60%
Baseline to Worst Post-baseline Grade 2, Hemoglobin Decreased
0
0%
1
12.5%
2
40%
Baseline to Worst Post-baseline Grade 3, Hemoglobin Decreased
5
62.5%
3
37.5%
0
0%
Baseline to Worst Post-baseline Grade 4, Hemoglobin Decreased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 0, Hemoglobin increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 1, Hemoglobin increased
0
0%
0
0%
0
0%
Worst Post-Baseline Grade 2, Hemoglobin increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 3, Hemoglobin increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 4, Hemoglobin increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 0, White blood cells decreased
0
0%
1
12.5%
0
0%
Baseline to Worst Post-baseline Grade 1, White blood cells decreased
4
50%
2
25%
1
20%
Baseline to Worst Post-baseline Grade 2, White blood cells decreased
2
25%
1
12.5%
0
0%
Baseline to Worst Post-baseline Grade 3, White blood cells decreased
0
0%
2
25%
3
60%
Baseline to Worst Post-baseline Grade 4, White blood cells decreased
2
25%
1
12.5%
1
20%
Baseline to Worst Post-baseline Grade 0, White blood cells increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 1, White blood cells increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 2, White blood cells increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 3, White blood cells increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 4, White blood cells increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 0, Lymphocyte count decreased
3
37.5%
2
25%
0
0%
Baseline to Worst Post-baseline Grade 1, Lymphocyte count decreased
1
12.5%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 2, Lymphocyte count decreased
1
12.5%
0
0%
3
60%
Baseline to Worst Post-baseline Grade 3, Lymphocyte count decreased
2
25%
4
50%
2
40%
Baseline to Worst Post-baseline Grade 4, Lymphocyte count decreased
1
12.5%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 0, Lymphocyte count increased
8
100%
4
50%
5
100%
Baseline to Worst Post-baseline Grade 1, Lymphocyte count increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 2, Lymphocyte count increased
0
0%
2
25%
0
0%
Baseline to Worst Post-baseline Grade 3, Lymphocyte count increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 4, Lymphocyte count increased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 0, Neutrophil count decreased
1
12.5%
0
0%
1
20%
Baseline to Worst Post-baseline Grade 1, Neutrophil count decreased
1
12.5%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 2, Neutrophil count decreased
3
37.5%
1
12.5%
0
0%
Baseline to Worst Post-baseline Grade 3, Neutrophil count decreased
0
0%
1
12.5%
3
60%
Baseline to Worst Post-baseline Grade 4, Neutrophil count decreased
2
25%
5
62.5%
1
20%
Baseline to Worst Post-baseline Grade 0, Platelet count decreased
5
62.5%
6
75%
3
60%
Baseline to Worst Post-baseline Grade 1, Platelet count decreased
2
25%
1
12.5%
2
40%
Baseline to Worst Post-baseline Grade 2, Platelet count decreased
1
12.5%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 3, Platelet count decreased
0
0%
0
0%
0
0%
Baseline to Worst Post-baseline Grade 4, Platelet count decreased
0
0%
0
0%
0
0%
5. Secondary Outcome
Title Number of Participants With Clinically Significant Change From Baseline in Electrocardiogram (ECG) Values
Description
Time Frame From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The safety analysis set included all participants who receive at least 1 dose of study drug.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 8 8 5
Count of Participants [Participants]
0
0%
0
0%
0
0%
6. Secondary Outcome
Title Number of Participants With Clinically Significant Change From Baseline in Vital Signs Values
Description
Time Frame From first dose of study drug up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The safety analysis set included all participants who receive at least 1 dose of study drug.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 8 8 5
Count of Participants [Participants]
0
0%
0
0%
0
0%
7. Secondary Outcome
Title Number of Participants With Shift From Baseline to Worst Post-baseline for Lansky Play-performance Scale
Description Reduced activities of daily living was assessed using the Lansky Play Performance Scale, where 100=fully active; 90=minor restrictions in strenuous physical activity; 80=active, gets tired more quickly; 70=greater restriction of play, less time spent in play activity; 60=up and around, active play minimal; quieter activities; 50=lying around much of the day; no active playing, all quiet play and activities; 40=mainly in bed; quiet activities; 30=bedbound; needs assistance even for quiet play; 20=sleeps often; play limited to very passive activities; 10=doesn't play or get out of bed; 5=unresponsive 0=dead.
Time Frame Baseline up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The safety analysis set included all participants who receive at least 1 dose of study drug. Here overall number analyzed "N" are the participants who were evaluable for the outcome measure with non-missing data at both baseline and any post-baseline timepoint.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 7 7 4
Baseline score 70 to worst post-baseline score 50
1
12.5%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 60
0
0%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 70
2
25%
0
0%
1
20%
Baseline score 70 to worst post-baseline score 80
0
0%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 90
0
0%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 100
0
0%
0
0%
0
0%
Baseline score 80 to worst post-baseline score 50
0
0%
0
0%
0
0%
Baseline score 80 to worst post-baseline score 60
1
12.5%
0
0%
0
0%
Baseline score 80 to worst post-baseline score 70
1
12.5%
1
12.5%
0
0%
Baseline score 80 to worst post-baseline score 80
0
0%
2
25%
1
20%
Baseline score 80 to worst post-baseline score 90
0
0%
0
0%
0
0%
Baseline score 80 to worst post-baseline score 100
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 50
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 60
0
0%
0
0%
1
20%
Baseline score 90 to worst post-baseline score 70
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 80
1
12.5%
0
0%
1
20%
Baseline score 90 to worst post-baseline score 90
0
0%
2
25%
0
0%
Baseline score 90 to worst post-baseline score 100
0
0%
0
0%
0
0%
Baseline score 100 to worst post-baseline score 50
0
0%
0
0%
0
0%
Baseline score 100 to worst post-baseline score 60
0
0%
0
0%
0
0%
Baseline score 100 to worst post-baseline score 70
1
12.5%
1
12.5%
0
0%
Baseline score 100 to worst post-baseline score 80
0
0%
0
0%
0
0%
Baseline score 100 to worst post-baseline score 90
0
0%
0
0%
0
0%
Baseline score 100 to worst post-baseline score 100
0
0%
1
12.5%
0
0%
8. Secondary Outcome
Title Number of Participants With Shift From Baseline to Worst Post-baseline for Karnofsky Performance Status Scores
Description Karnofsky performance status was assessed as the best and worst score change from baseline using the Karnofsky performance criteria. The Karnofsky score classified participants according to their functional impairment. Scores were on a scale from 0-100, the lower the score, the worst the survival for most serious illnesses. Where 100= normal; no complaints; no evidence of disease; 90= able to carry on normal activity with effort, minor sign or symptoms of disease; 80= normal activity with effort; some sign or symptoms of disease; 70= cares for self; unable to carry on normal activity or do active work; 60= requires occasional assistance, but is able to care for most personal needs; 50= requires considerable assistance and frequent medical care; 40= disabled; requires special care and assistance; 30= severely disabled; hospitalization is indicated, although death is not imminent; 20= very sick; hospitalization; 10= moribund; fatal processes progressively worsening; 0= dead.
Time Frame Baseline up to data cutoff date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The safety analysis set included all participants who receive at least 1 dose of study drug. Here overall number analyzed "N" are the participants who were evaluable for the outcome measure for the outcome measure with non-missing data at both baseline and any post-baseline timepoint.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 1 0 1
Baseline score 70 to worst post-baseline score 50
0
0%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 60
0
0%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 70
1
12.5%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 80
0
0%
0
0%
0
0%
Baseline score 70 to worst post-baseline score 90
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 50
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 60
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 70
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 80
0
0%
0
0%
1
20%
Baseline score 90 to worst post-baseline score 90
0
0%
0
0%
0
0%
Baseline score 90 to worst post-baseline score 100
0
0%
0
0%
0
0%
9. Secondary Outcome
Title Duration of Response (DOR)
Description DOR was defined as the time from the first date of documented PR or CR to the date of disease progression or date of death (whichever occurred first). CR was defined as the disappearance of all target lesions. Any pathological lymph nodes (whether target or non-target) must had reduction in the short axis to <10 mm. PR was defined as at least a 30% decrease in the sum of diameters of target lesions, taking as reference the baseline sum diameters. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study (this included the baseline sum if that was the smallest on study).
Time Frame From day of first documentation of PR or CR to the day of disease progression or death (up to 32 months)

Outcome Measure Data

Analysis Population Description
The FAS included all participants who receive at least 1 dose of study drug. Here overall number analyzed "N" are the participants who were evaluable for the outcome measure however no participant with complete response or partial response were observed in this study.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 0 0 0
10. Secondary Outcome
Title Overall Survival (OS)
Description OS was defined as the time from the first dose date to the date of death.
Time Frame From the day of first dose to the day of death, up to data cut off date 07 Jan 2021 (approximately 32 months)

Outcome Measure Data

Analysis Population Description
The FAS included all participants who receive at least 1 dose of study drug.
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
Measure Participants 8 8 5
Median (95% Confidence Interval) [months]
5.08
7.20
7.89

Adverse Events

Time Frame From date of administration of first dose up to 28 days after the last dose, or until resolution, whichever came first (up to approximately 32 months)
Adverse Event Reporting Description
Arm/Group Title Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Arm/Group Description Pediatric participants with RMS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with non-rhabdomyosarcoma solid tumor sarcoma (NRSTS) received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first. Pediatric participants with EWS received eribulin mesylate as an IV infusion on Days 1 and 8 of each 21-day cycle at a dose of 1.4 mg/m^2. Participants continued to receive study therapy until progression of disease, (per RECIST 1.1), exhibited no clinical benefit, intolerable toxicity, withdrawal of consent or termination of the study program, whichever occurred first.
All Cause Mortality
Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
Total 8/8 (100%) 6/8 (75%) 5/5 (100%)
Serious Adverse Events
Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
Total 6/8 (75%) 2/8 (25%) 3/5 (60%)
Blood and lymphatic system disorders
Neutropenia 0/8 (0%) 1/8 (12.5%) 0/5 (0%)
Anaemia 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Cardiac disorders
Cardiac tamponade 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Left ventricular dysfunction 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Pericardial effusion 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Sinus bradycardia 0/8 (0%) 0/8 (0%) 1/5 (20%)
Gastrointestinal disorders
Mouth haemorrhage 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
General disorders
Pyrexia 1/8 (12.5%) 1/8 (12.5%) 1/5 (20%)
Infections and infestations
Pneumonia 0/8 (0%) 1/8 (12.5%) 0/5 (0%)
Musculoskeletal and connective tissue disorders
Bone pain 0/8 (0%) 0/8 (0%) 1/5 (20%)
Costochondritis 0/8 (0%) 0/8 (0%) 1/5 (20%)
Muscular weakness 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Malignant neoplasm progression 1/8 (12.5%) 1/8 (12.5%) 0/5 (0%)
Malignant pleural effusion 1/8 (12.5%) 1/8 (12.5%) 0/5 (0%)
Nervous system disorders
Neuralgia 0/8 (0%) 0/8 (0%) 1/5 (20%)
Headache 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Seizure 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Respiratory, thoracic and mediastinal disorders
Dyspnoea 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Epistaxis 1/8 (12.5%) 0/8 (0%) 0/5 (0%)
Pleural effusion 0/8 (0%) 1/8 (12.5%) 0/5 (0%)
Pneumothorax 0/8 (0%) 1/8 (12.5%) 0/5 (0%)
Pulmonary oedema 0/8 (0%) 1/8 (12.5%) 0/5 (0%)
Respiratory failure 0/8 (0%) 1/8 (12.5%) 0/5 (0%)
Other (Not Including Serious) Adverse Events
Eribulin Mesylate 1.4 mg/m^2: RMS Eribulin Mesylate 1.4 mg/m^2: NRSTS Eribulin Mesylate 1.4 mg/m^2: EWS
Affected / at Risk (%) # Events Affected / at Risk (%) # Events Affected / at Risk (%) # Events
Total 8/8 (100%) 8/8 (100%) 5/5 (100%)
Blood and lymphatic system disorders
Anaemia 5/8 (62.5%) 24 5/8 (62.5%) 7 4/5 (80%) 16
Leukopenia 1/8 (12.5%) 2 0/8 (0%) 0 0/5 (0%) 0
Neutropenia 0/8 (0%) 0 3/8 (37.5%) 6 0/5 (0%) 0
Thrombocytopenia 1/8 (12.5%) 3 0/8 (0%) 0 0/5 (0%) 0
Cardiac disorders
Atrioventricular block first degree 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Mitral valve disease 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Palpitations 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Pulmonary valve disease 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Sinus bradycardia 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Sinus tachycardia 2/8 (25%) 2 1/8 (12.5%) 1 0/5 (0%) 0
Tricuspid valve disease 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Ear and labyrinth disorders
Ear pain 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Endocrine disorders
Hyperthyroidism 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Eye disorders
Diplopia 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Gastrointestinal disorders
Abdominal pain 0/8 (0%) 0 1/8 (12.5%) 1 0/5 (0%) 0
Constipation 1/8 (12.5%) 1 2/8 (25%) 2 1/5 (20%) 1
Diarrhoea 2/8 (25%) 2 2/8 (25%) 2 0/5 (0%) 0
Nausea 2/8 (25%) 3 2/8 (25%) 2 1/5 (20%) 1
Stomatitis 0/8 (0%) 0 2/8 (25%) 2 1/5 (20%) 1
Vomiting 3/8 (37.5%) 7 1/8 (12.5%) 1 1/5 (20%) 1
General disorders
Face oedema 1/8 (12.5%) 2 0/8 (0%) 0 0/5 (0%) 0
Fatigue 4/8 (50%) 8 4/8 (50%) 4 1/5 (20%) 1
Influenza like illness 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Non-cardiac chest pain 0/8 (0%) 0 1/8 (12.5%) 1 0/5 (0%) 0
Oedema peripheral 1/8 (12.5%) 1 1/8 (12.5%) 1 0/5 (0%) 0
Pyrexia 3/8 (37.5%) 4 3/8 (37.5%) 3 2/5 (40%) 2
Infections and infestations
Catheter site infection 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Paronychia 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Sinusitis 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Upper respiratory tract infection 0/8 (0%) 0 1/8 (12.5%) 1 1/5 (20%) 1
Urinary tract infection 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Investigations
Activated partial thromboplastin time prolonged 2/8 (25%) 3 0/8 (0%) 0 0/5 (0%) 0
Alanine aminotransferase increased 5/8 (62.5%) 9 2/8 (25%) 2 2/5 (40%) 2
Aspartate aminotransferase increased 6/8 (75%) 12 1/8 (12.5%) 3 3/5 (60%) 4
Blood alkaline phosphatase increased 2/8 (25%) 3 2/8 (25%) 3 0/5 (0%) 0
Blood bilirubin increased 1/8 (12.5%) 4 1/8 (12.5%) 2 1/5 (20%) 1
Blood creatinine increased 0/8 (0%) 0 1/8 (12.5%) 1 0/5 (0%) 0
Blood lactate dehydrogenase increased 3/8 (37.5%) 3 0/8 (0%) 0 1/5 (20%) 1
Electrocardiogram QT prolonged 3/8 (37.5%) 3 1/8 (12.5%) 1 2/5 (40%) 3
International normalised ratio increased 1/8 (12.5%) 3 1/8 (12.5%) 1 0/5 (0%) 0
Lymphocyte count decreased 3/8 (37.5%) 9 4/8 (50%) 5 3/5 (60%) 13
Lymphocyte count increased 0/8 (0%) 0 1/8 (12.5%) 1 0/5 (0%) 0
Neutrophil count decreased 7/8 (87.5%) 13 4/8 (50%) 11 4/5 (80%) 26
Platelet count decreased 2/8 (25%) 4 1/8 (12.5%) 2 2/5 (40%) 3
Protein urine present 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Weight decreased 2/8 (25%) 2 0/8 (0%) 0 0/5 (0%) 0
Weight increased 1/8 (12.5%) 4 1/8 (12.5%) 1 0/5 (0%) 0
White blood cell count decreased 6/8 (75%) 16 4/8 (50%) 12 3/5 (60%) 23
Metabolism and nutrition disorders
Alkalosis 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Decreased appetite 2/8 (25%) 2 3/8 (37.5%) 3 2/5 (40%) 2
Dehydration 1/8 (12.5%) 2 1/8 (12.5%) 1 0/5 (0%) 0
Hypercalcaemia 1/8 (12.5%) 1 1/8 (12.5%) 1 0/5 (0%) 0
Hyperglycaemia 4/8 (50%) 12 0/8 (0%) 0 0/5 (0%) 0
Hyperkalaemia 2/8 (25%) 2 0/8 (0%) 0 1/5 (20%) 1
Hypermagnesaemia 2/8 (25%) 3 1/8 (12.5%) 1 1/5 (20%) 1
Hypernatraemia 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Hyperphosphataemia 0/8 (0%) 0 0/8 (0%) 0 2/5 (40%) 5
Hypoalbuminaemia 4/8 (50%) 10 1/8 (12.5%) 1 2/5 (40%) 4
Hypocalcaemia 3/8 (37.5%) 6 0/8 (0%) 0 1/5 (20%) 3
Hypokalaemia 3/8 (37.5%) 4 0/8 (0%) 0 2/5 (40%) 2
Hyponatraemia 2/8 (25%) 3 3/8 (37.5%) 3 2/5 (40%) 3
Hypophosphataemia 3/8 (37.5%) 5 1/8 (12.5%) 1 1/5 (20%) 1
Musculoskeletal and connective tissue disorders
Arthralgia 1/8 (12.5%) 1 1/8 (12.5%) 1 0/5 (0%) 0
Back pain 0/8 (0%) 0 2/8 (25%) 2 1/5 (20%) 1
Muscle spasms 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Muscular weakness 3/8 (37.5%) 3 0/8 (0%) 0 1/5 (20%) 1
Musculoskeletal chest pain 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Neck pain 1/8 (12.5%) 1 0/8 (0%) 0 1/5 (20%) 1
Pain in extremity 2/8 (25%) 3 2/8 (25%) 3 2/5 (40%) 3
Pain in jaw 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Malignant pleural effusion 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Tumour haemorrhage 0/8 (0%) 0 1/8 (12.5%) 1 0/5 (0%) 0
Tumour pain 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Nervous system disorders
Dizziness 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Headache 2/8 (25%) 10 2/8 (25%) 2 0/5 (0%) 0
Lethargy 1/8 (12.5%) 2 0/8 (0%) 0 0/5 (0%) 0
Paraesthesia 2/8 (25%) 2 1/8 (12.5%) 1 0/5 (0%) 0
Peripheral motor neuropathy 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Peripheral sensory neuropathy 1/8 (12.5%) 1 1/8 (12.5%) 1 0/5 (0%) 0
Psychiatric disorders
Agitation 2/8 (25%) 2 1/8 (12.5%) 1 0/5 (0%) 0
Anxiety 1/8 (12.5%) 1 1/8 (12.5%) 1 0/5 (0%) 0
Depression 1/8 (12.5%) 1 1/8 (12.5%) 1 0/5 (0%) 0
Renal and urinary disorders
Haematuria 1/8 (12.5%) 1 0/8 (0%) 0 1/5 (20%) 2
Proteinuria 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Respiratory, thoracic and mediastinal disorders
Cough 2/8 (25%) 2 3/8 (37.5%) 3 0/5 (0%) 0
Dyspnoea 1/8 (12.5%) 2 0/8 (0%) 0 0/5 (0%) 0
Epistaxis 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Hypoxia 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Nasal congestion 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Oropharyngeal pain 0/8 (0%) 0 0/8 (0%) 0 1/5 (20%) 1
Pleural effusion 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Productive cough 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Tracheal pain 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Skin and subcutaneous tissue disorders
Alopecia 3/8 (37.5%) 3 4/8 (50%) 4 0/5 (0%) 0
Night sweats 0/8 (0%) 0 1/8 (12.5%) 1 0/5 (0%) 0
Vascular disorders
Hypertension 1/8 (12.5%) 1 0/8 (0%) 0 0/5 (0%) 0
Hypotension 4/8 (50%) 5 0/8 (0%) 0 1/5 (20%) 1

Limitations/Caveats

[Not Specified]

More Information

Certain Agreements

Principal Investigators are NOT employed by the organization sponsoring the study.

There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.

Results Point of Contact

Name/Title Eisai Medical Information
Organization Eisai, Inc.
Phone +1-888-274-2378
Email esi_oncmedinfo@eisai.com
Responsible Party:
Eisai Inc.
ClinicalTrials.gov Identifier:
NCT03441360
Other Study ID Numbers:
  • E7389-G000-223
First Posted:
Feb 22, 2018
Last Update Posted:
Mar 31, 2022
Last Verified:
Jan 1, 2022