Olympus: The OLYMPUS Study - Optimized DeLivery of Mitomycin for Primary UTUC Study

Sponsor
UroGen Pharma Ltd. (Industry)
Overall Status
Completed
CT.gov ID
NCT02793128
Collaborator
(none)
71
24
1
35
3
0.1

Study Details

Study Description

Brief Summary

The study is investigating the ability of UroGen's UGN-101 to treat urothelial carcinoma tumors from the upper urinary tract.

Condition or Disease Intervention/Treatment Phase
  • Drug: UGN-101 instillations
Phase 3

Detailed Description

Trial TC-UT-03 is a prospective, open label, single-arm trial, designed to assess the efficacy, safety, and tolerability of treatment with UGN-101 instilled in the upper urinary system of patients with non-invasive low-grade (LG), Upper Tract Urothelial Carcinoma (UTUC).

Upon signing of informed consent, the patients will undergo a screening visit for eligibility evaluation. Eligible patients will be treated with UGN-101 once weekly for a total of 6 times; in a retrograde fashion. Patients who will demonstrate complete response (CR) will be treated with UGN-101 once monthly as a maintenance therapy for a total of 11 instillations or up to the first recurrence whichever comes first.

Five (5) weeks (± 1 w) following the last instillation, the Primary Disease Evaluation (PDE) Visit, during which safety and efficacy will be assessed, will take place. During this visit, the ablative effect of the UGN-101 will be assessed visually, by upper tract washed urine cytology, and if there are remaining tumors, by biopsy or brush biopsy if technically feasible.

Patient demonstrating CR at PDE will undergo monthly maintenance instillations of UGN-101 up to 11 months post PDE. Safety follow-up for these patients will be done until one month post last instillation or at the end of the follow-up period in FU visit 12, which is the earlier.

For patients who did not demonstrate Complete Response, to the extent that it is possible, all remaining tumors lesions will be biopsied. The patients shall undergo any additional surgical or other treatment the Principal Investigator (PI) decides deem necessary to remove remaining tumor.

An independent Data Monitoring Committee (DMC) was assigned to this trial. Accumulating safety, tolerability and efficacy data will be monitored periodically by the DMC according to a pre-specified process and frequency detailed in the DMC charter.

Study Design

Study Type:
Interventional
Actual Enrollment :
71 participants
Allocation:
N/A
Intervention Model:
Single Group Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
A Phase 3 Multicenter Trial Evaluating the Efficacy and Safety of UGN-101 on Ablation of Upper Urinary Tract Urothelial Carcinoma
Actual Study Start Date :
Apr 4, 2017
Actual Primary Completion Date :
Apr 5, 2019
Actual Study Completion Date :
Mar 5, 2020

Arms and Interventions

Arm Intervention/Treatment
Experimental: UGN-101 instillations

The Mitomycin C (MMC) concentration of UGN-101 to be used in this trial will be 4 mg MMC per 1 mL of TC-3 gel, maximum dose is 15ml. 6 once weekly intravesical instillations for the ablation treatment.

Drug: UGN-101 instillations
Treatment with UGN-101 once weekly for a total of 6 times; in a retrograde fashion. Patients who will demonstrate complete response (CR) will be treated with UGN-101 once monthly as a maintenance therapy for a total of 11 instillations or up to the first recurrence whichever comes first.
Other Names:
  • UGN-101
  • Outcome Measures

    Primary Outcome Measures

    1. The Primary Efficacy Endpoint Was the Number of Patients Attaining Complete Response (CR) at the End of the Treatment Period (PDE Visit). [An average of 11 weeks]

      The primary efficacy endpoint was the number of patients attaining complete response (CR) at the end of the treatment period (Primary Disease Evaluation (PDE) visit). The CR was defined dichotomously as "Success" if CR was confirmed at PDE visit (or relevant follow-up), and "Failure" otherwise.

    Secondary Outcome Measures

    1. The Key Secondary Efficacy Endpoint Was Long-term Durability of Complete Response (CR): Number of Patients Who Maintained CR at 12 Month Post PDE Visit. This Endpoint Was Defined Only for Those Patients Who Achieved CR at the PDE Visit. [12 months]

      Continuously: Duration of CR or time-to-recurrence since the Primary Disease Evaluation (PDE) Visit (i.e., time in days from the visit at which CR was determined until recurrence or censoring). This endpoint served as the main long-term durability endpoint. Dichotomously: "Success" if CR was still present at the 12 month post-PDE Visit (at Follow-Up Visit 4), and "Failure" otherwise. This endpoint served as a supportive long-term durability endpoint.

    2. Durability of Complete Response (CR) for Each Follow-up Time Point. [3, 6, 9 and 12 months]

      Durability of CR defined dichotomously as "Success" if CR was achieved at Primary Disease Evaluation (PDE) visit and remained at follow-up Visit 1, Visit 2 and Visit 3 (3, 6, 9 and 12 months post PDE visit), and "Failure" otherwise.

    3. Clinical Benefit for Patients With Partial Response (PR) at the Primary Disease Evaluation (PDE) Visit. Clinical Benefit Endpoint Was Analyzed Using the Intent-to-Treat (ITT) Analysis Set, Including Patients Who Achieved Partial Response at PDE Visit. [An average of 11 weeks]

      Clinical benefit for patients with partial response (PR) at the PDE visit. Clinical benefit endpoint was analyzed using the Intent-to-Treat (ITT) Analysis Set, including patients who achieved partial response at PDE Visit.Partial response at PDE visit will be defined dichotomously, similarly to the primary efficacy endpoint. For subjects with partial response at PDE visit, originally planned and actual treatments will be compared.

    4. Pharmacokinetic: The PK Profiles of the First UGN-101 Instillation in the Blood Were to be Examined for the First 6 Patients. [Blood samples were collected at 0 minutes (pre-dose) and 30 minutes, 1, 2, 3, 4, 5, and 6 hours following the first instillation of UGN-101]

      Cmax: maximum plasma concentration Analysis of individual plasma concentration versus time profiles showed that at 6 hours post instillation, the plasma concentrations of all 6 patients were below 2 ng/mL, with the plasma concentration of one patient dropping below the LOQ (i.e., < 0.100 ng/mL). The mean Cmax was 6.24 ng/mL (range: 2.43 to 12.80 ng/mL). The highest individual observed Cmax value of 12.80 ng/mL was 187-fold and 40 fold lower than the observed Cmax level following an intravenous bolus dose of 30 mg or 10 mg mitomycin (2.4 μg/mL and 0.52 μg/mL, respectively) and is 31 fold lower than the threshold value of 400 ng/mL for myelosuppression observed with mitomycin.

    5. Pharmacokinetic: The PK Profiles of the First UGN-101 Instillation in the Blood Were to be Examined for the First 6 Patients. [Blood samples were collected at 0 minutes (pre-dose) and 30 minutes, 1, 2, 3, 4, 5, and 6 hours following the first instillation with UGN-101]

      Tmax: time to maximum plasma concentration Analysis of individual plasma concentration versus time profiles showed that at 6 hours post instillation, the plasma concentrations of all 6 patients were below 2 ng/mL, with the plasma concentration of one patient dropping below the LOQ (i.e., < 0.100 ng/mL). The mean Cmax was 6.24 ng/mL (range: 2.43 to 12.80 ng/mL), and the Tmax was 1.79 hours (range: 0.50 to 5.17 hours) after instillation. The highest individual observed Cmax value of 12.80 ng/mL was 187-fold and 40 fold lower than the observed Cmax level following an intravenous bolus dose of 30 mg or 10 mg mitomycin (2.4 μg/mL and 0.52 μg/mL, respectively) and is 31 fold lower than the threshold value of 400 ng/mL for myelosuppression observed with mitomycin.

    6. Pharmacokinetic: The PK Profiles of the First UGN-101 Instillation in the Blood Were to be Examined for the First 6 Patients. [Blood samples were collected at 0 minutes (pre-dose) and 30 minutes, 1, 2, 3, 4, 5, and 6 hours following the first instillation with UGN-101]

      Half-life (t½): terminal half-life The mean apparent t½ following instillation of mitomycin into the upper urinary tract (UUT) was 1.27 hours (76 minutes), which was longer than the true t½ of mitomycin following a 30 mg bolus injection (mean t½ value of approximately 17 minutes). The apparent t½ demonstrates that UGN-101 dissolved gradually, resulting in prolonged exposure of mitomycin following local instillation into the UUT.

    Other Outcome Measures

    1. Safety Adverse Event Outcomes: Safety Was Monitored Throughout the Study by Reviewing Adverse Events (AEs). [Through study completion, an average of 15 months]

      Treatment-emergent AEs were most frequently reported from the Renal and urinary disorders system organ class (SOC), 59 (83.1%) patients, as expected, given the underlying indication of low grade (LG) Upper tract urothelial carcinoma (UTUC) in the study population, chemotherapeutic drug in a gel matrix instilled in the upper urinary tract (UUT), and the study procedure of treatment instillation via a ureteral catheter. The toxicity within the upper urinary tract was considered consistent with the disease under study and the mode of administration of UGN-101. Most events in the Renal and urinary disorders SOC were mild to moderate in severity and resolved. No new risks were identified and the overall safety profile was consistent with the known safety profile of endoscopic administration of intravesical mitomycin and of mitomycin. Overall, based on the safety and efficacy results to date, the benefit-risk profile of UGN-101 is favorable for the treatment of LG-UTUC.

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years and Older
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Main Inclusion Criteria:
    1. Patient is at least 18 years of age.

    2. Naive or recurrent patients with low grade (LG), non-invasive Upper Tract Urothelial Carcinoma (UTUC) in the pyelocalyceal system.

    3. Patient has at least one (1) measurable papillary LG tumor, evaluated visually, ≤ 15 mm. The largest lesion should not exceed 15mm.

    4. Biopsy taken from one or more tumors located above the ureteropelvic junction (UPJ) showing LG urothelial carcinoma. Diagnosed not more than 2 months prior to the screening.

    5. Patient should have at least one remaining papillary LG tumor evaluated visually with a diameter of at least 5 mm.

    6. Wash urine cytology sampled from the pyelocalyceal system documenting the absence of High Grade (HG) urothelial cancer, diagnosed not more than 2 months prior to the screening.

    7. Patient with bilateral LG UTUC may be enrolled if at least one side meets the inclusion criteria for the trial and if the other kidney does not require further treatments (The other kidney can be treated prior to the beginning of the study).

    Main Exclusion Criteria:
    1. Patient received Bacille de Calmette et Guérin (BCG) treatment for Urothelial carcinoma (UC) during the 6 months prior to Visit 1.

    2. The patient has untreated concurrent urothelial cancer in other locations other than the target area (unless treated during screening)

    3. Carcinoma in situ (CIS) in the past in the urinary tract.

    4. Patient has a history of invasive urothelial carcinoma in the urinary tract during the past 5 (Five) years.

    5. Patient has a history of high grade papillary urothelial carcinoma in the urinary tract during the past 2 (Two) years.

    6. Patient is actively being treated or intends to be treated with systemic chemotherapy during the duration of the trial.

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Mayo Clinic Hospital Phoenix Arizona United States 85054
    2 Loma Linda Cancer Center Loma Linda California United States 92354
    3 University of California Los Angeles California United States 90095
    4 Providence Medical Institute Santa Monica California United States 90404
    5 Mayo Clinic Florida Jacksonville Florida United States 32224
    6 Loyola University Medical Center, Department of Urology Maywood Illinois United States 60153
    7 Indiana University School of Medicine Indianapolis Indiana United States 46202
    8 John Hopkins University Baltimore Maryland United States 21218
    9 University of Michigan Comprehensive Cancer Center Ann Arbor Michigan United States 48109
    10 University of Minnesota Minneapolis Minnesota United States 55455
    11 Mayo Clinic health system Rochester Minnesota United States 55905
    12 Urology Center Las Vegas Las Vegas Nevada United States 89144
    13 Montefiore Medical Center (Albert Einstein) Bronx New York United States 10467
    14 Memorial Sloan Kettering Cancer Center New York New York United States 10065
    15 Weill Cornell Medical Center New York New York United States 10065
    16 University of north carolina - chapel hill Chapel Hill North Carolina United States 27514
    17 The Ohio State University Wexner Medical Center Columbus Ohio United States 43210
    18 Penn State College of Medicine Hershey Pennsylvania United States 17033
    19 Thomas Jefferson University Hospitals Philadelphia Pennsylvania United States 19107
    20 MD Anderson Houston Texas United States 77006
    21 Baylor College of Medicine Houston Texas United States 77030
    22 Seattle Cancer Care Alliance (University of Washington) Seattle Washington United States 98109--1023
    23 Hasharon Hospital (Rabin Medical Center) Petah Tikva Israel 49372
    24 Sheba Medical Center Ramat Gan Israel 52621

    Sponsors and Collaborators

    • UroGen Pharma Ltd.

    Investigators

    • Study Chair: Seth Lerner, M.D., Baylor College of Medicine

    Study Documents (Full-Text)

    More Information

    Publications

    None provided.
    Responsible Party:
    UroGen Pharma Ltd.
    ClinicalTrials.gov Identifier:
    NCT02793128
    Other Study ID Numbers:
    • TC-UT-03-P
    First Posted:
    Jun 8, 2016
    Last Update Posted:
    Dec 22, 2020
    Last Verified:
    Dec 1, 2020
    Individual Participant Data (IPD) Sharing Statement:
    No
    Plan to Share IPD:
    No
    Studies a U.S. FDA-regulated Drug Product:
    Yes
    Studies a U.S. FDA-regulated Device Product:
    No
    Keywords provided by UroGen Pharma Ltd.
    Additional relevant MeSH terms:

    Study Results

    Participant Flow

    Recruitment Details
    Pre-assignment Detail
    Arm/Group Title UGN-101 Mitomycin for Pyelocalyceal Solution
    Arm/Group Description This was a prospective, open-label, single-arm, pivotal phase study, designed to assess the efficacy, tolerability, and safety UGN-101 treatment administered to the Upper Urinary Tract (UUT). Upon signing of informed consent, the patients underwent a Screening Visit for eligibility evaluation. Eligible patients with confirmed low grade (LG) noninvasive Upper Tract Urothelial Carcinoma (UTUC) were treated with 6 once-weekly instillations of UGN-101. Tumor response was evaluated at the Primary Disease Evaluation (PDE) Visit, 5 weeks after the last treatment period instillation. Patients who demonstrated complete response (CR) could enter a maintenance period and receive up to 11 once-monthly instillations, per investigator modified treatment regimen.
    Period Title: Overall Study
    STARTED 71
    COMPLETED 62
    NOT COMPLETED 9

    Baseline Characteristics

    Arm/Group Title UGN-101 Mitomycin for Pyelocalyceal Solution
    Arm/Group Description This was a prospective, open-label, single-arm, pivotal phase study, designed to assess the efficacy, tolerability, and safety UGN-101 treatment administered to the UUT. Upon signing of informed consent, the patients underwent a Screening Visit for eligibility evaluation. Eligible patients with confirmed LG noninvasive UTUC were treated with 6 once-weekly instillations of UGN-101. Tumor response was evaluated at the PDE Visit, 5 weeks after the last treatment period instillation. Patients who demonstrated CR could enter a maintenance period and receive up to 11 once-monthly instillations, per investigator modified treatment regimen.
    Overall Participants 71
    Age (Count of Participants)
    <=18 years
    0
    0%
    Between 18 and 65 years
    18
    25.4%
    >=65 years
    53
    74.6%
    Age (years) [Median (Full Range) ]
    Median (Full Range) [years]
    71
    Sex: Female, Male (Count of Participants)
    Female
    23
    32.4%
    Male
    48
    67.6%
    Race (NIH/OMB) (Count of Participants)
    American Indian or Alaska Native
    0
    0%
    Asian
    2
    2.8%
    Native Hawaiian or Other Pacific Islander
    0
    0%
    Black or African American
    4
    5.6%
    White
    62
    87.3%
    More than one race
    3
    4.2%
    Unknown or Not Reported
    0
    0%
    Region of Enrollment (participants) [Number]
    United States
    57
    80.3%
    Israel
    14
    19.7%

    Outcome Measures

    1. Primary Outcome
    Title The Primary Efficacy Endpoint Was the Number of Patients Attaining Complete Response (CR) at the End of the Treatment Period (PDE Visit).
    Description The primary efficacy endpoint was the number of patients attaining complete response (CR) at the end of the treatment period (Primary Disease Evaluation (PDE) visit). The CR was defined dichotomously as "Success" if CR was confirmed at PDE visit (or relevant follow-up), and "Failure" otherwise.
    Time Frame An average of 11 weeks

    Outcome Measure Data

    Analysis Population Description
    [Not Specified]
    Arm/Group Title UGN-101 Mitomycin for Pyelocalyceal Solution
    Arm/Group Description This was a prospective, open-label, single-arm, pivotal phase study, designed to assess the efficacy, tolerability, and safety UGN-101 treatment administered to the UUT. Upon signing of informed consent, the patients underwent a Screening Visit for eligibility evaluation. Eligible patients with confirmed LG noninvasive UTUC were treated with 6 once-weekly instillations of UGN-101. Tumor response was evaluated at the PDE Visit, 5 weeks after the last treatment period instillation. Patients who demonstrated CR could enter a maintenance period and receive up to 11 once-monthly instillations, per investigator modified treatment regimen.
    Measure Participants 71
    Count of Participants [Participants]
    42
    59.2%
    2. Secondary Outcome
    Title The Key Secondary Efficacy Endpoint Was Long-term Durability of Complete Response (CR): Number of Patients Who Maintained CR at 12 Month Post PDE Visit. This Endpoint Was Defined Only for Those Patients Who Achieved CR at the PDE Visit.
    Description Continuously: Duration of CR or time-to-recurrence since the Primary Disease Evaluation (PDE) Visit (i.e., time in days from the visit at which CR was determined until recurrence or censoring). This endpoint served as the main long-term durability endpoint. Dichotomously: "Success" if CR was still present at the 12 month post-PDE Visit (at Follow-Up Visit 4), and "Failure" otherwise. This endpoint served as a supportive long-term durability endpoint.
    Time Frame 12 months

    Outcome Measure Data

    Analysis Population Description
    [Not Specified]
    Arm/Group Title UGN-101 Mitomycin for Pyelocalyceal Solution
    Arm/Group Description Population was analyzed at 12 months post Primary Disease Evaluation (PDE) visit. 8 out of 41 patients had disease recurrence. The Kaplan-Meier estimate of 12 month duration of complete response (CR) rate was 82%. This was a prospective, open-label, single-arm, pivotal phase study, designed to assess the efficacy, tolerability, and safety UGN-101 treatment administered to the Upper Urinary Tract (UUT). Upon signing of informed consent, the patients underwent a Screening Visit for eligibility evaluation. Eligible patients with confirmed low grade (LG) noninvasive Upper Tract Urothelial Carcinoma (UTUC) were treated with 6 once-weekly instillations of UGN-101. Tumor response was evaluated at the PDE Visit, 5 weeks after the last treatment period instillation. Patients who demonstrated CR could enter a maintenance period and receive up to 11 once-monthly instillations, per investigator modified treatment regimen.
    Measure Participants 41
    Count of Participants [Participants]
    23
    32.4%
    3. Secondary Outcome
    Title Durability of Complete Response (CR) for Each Follow-up Time Point.
    Description Durability of CR defined dichotomously as "Success" if CR was achieved at Primary Disease Evaluation (PDE) visit and remained at follow-up Visit 1, Visit 2 and Visit 3 (3, 6, 9 and 12 months post PDE visit), and "Failure" otherwise.
    Time Frame 3, 6, 9 and 12 months

    Outcome Measure Data

    Analysis Population Description
    [Not Specified]
    Arm/Group Title UGN-101 Patients Evaluated 3 Months Post PDE UGN-101 Patients Evaluated at 6 Months Post PDE UGN-101 Patients Evaluated at 9 Months Post PDE UGN-101 Patients Evaluated at 12 Months Post PDE
    Arm/Group Description Patients reaching CR at PDE evaluated at 3 months post PDE Patients reaching CR at PDE evaluated at 6 months post PDE Patients reaching CR at PDE evaluated at 9 months post PDE Patients reaching CR at PDE evaluated at 12 months post PDE
    Measure Participants 38 38 35 31
    Count of Participants [Participants]
    35
    49.3%
    33
    NaN
    28
    NaN
    23
    NaN
    4. Secondary Outcome
    Title Clinical Benefit for Patients With Partial Response (PR) at the Primary Disease Evaluation (PDE) Visit. Clinical Benefit Endpoint Was Analyzed Using the Intent-to-Treat (ITT) Analysis Set, Including Patients Who Achieved Partial Response at PDE Visit.
    Description Clinical benefit for patients with partial response (PR) at the PDE visit. Clinical benefit endpoint was analyzed using the Intent-to-Treat (ITT) Analysis Set, including patients who achieved partial response at PDE Visit.Partial response at PDE visit will be defined dichotomously, similarly to the primary efficacy endpoint. For subjects with partial response at PDE visit, originally planned and actual treatments will be compared.
    Time Frame An average of 11 weeks

    Outcome Measure Data

    Analysis Population Description
    [Not Specified]
    Arm/Group Title UGN-101 Mitomycin for Pyelocalyceal Solution
    Arm/Group Description This was a prospective, open-label, single-arm, pivotal phase study, designed to assess the efficacy, tolerability, and safety UGN-101 treatment administered to the UUT. Upon signing of informed consent, the patients underwent a Screening Visit for eligibility evaluation. Eligible patients with confirmed LG noninvasive UTUC were treated with 6 once-weekly instillations of UGN-101. Tumor response was evaluated at the PDE Visit, 5 weeks after the last treatment period instillation. Patients who demonstrated CR could enter a maintenance period and receive up to11 once-monthly instillations, per investigator modified treatment regimen.
    Measure Participants 71
    Count of Participants [Participants]
    8
    11.3%
    5. Secondary Outcome
    Title Pharmacokinetic: The PK Profiles of the First UGN-101 Instillation in the Blood Were to be Examined for the First 6 Patients.
    Description Cmax: maximum plasma concentration Analysis of individual plasma concentration versus time profiles showed that at 6 hours post instillation, the plasma concentrations of all 6 patients were below 2 ng/mL, with the plasma concentration of one patient dropping below the LOQ (i.e., < 0.100 ng/mL). The mean Cmax was 6.24 ng/mL (range: 2.43 to 12.80 ng/mL). The highest individual observed Cmax value of 12.80 ng/mL was 187-fold and 40 fold lower than the observed Cmax level following an intravenous bolus dose of 30 mg or 10 mg mitomycin (2.4 μg/mL and 0.52 μg/mL, respectively) and is 31 fold lower than the threshold value of 400 ng/mL for myelosuppression observed with mitomycin.
    Time Frame Blood samples were collected at 0 minutes (pre-dose) and 30 minutes, 1, 2, 3, 4, 5, and 6 hours following the first instillation of UGN-101

    Outcome Measure Data

    Analysis Population Description
    PK Analysis Set: Consisted of patients who signed consent for PK and had sufficient PK data for the determination of PK parameters.
    Arm/Group Title Pharmacokinetic Population
    Arm/Group Description The PK profiles of the first UGN-101 instillation in the blood were to be examined for the first 6 patients.
    Measure Participants 6
    Mean (Inter-Quartile Range) [ng/mL]
    6.24
    6. Other Pre-specified Outcome
    Title Safety Adverse Event Outcomes: Safety Was Monitored Throughout the Study by Reviewing Adverse Events (AEs).
    Description Treatment-emergent AEs were most frequently reported from the Renal and urinary disorders system organ class (SOC), 59 (83.1%) patients, as expected, given the underlying indication of low grade (LG) Upper tract urothelial carcinoma (UTUC) in the study population, chemotherapeutic drug in a gel matrix instilled in the upper urinary tract (UUT), and the study procedure of treatment instillation via a ureteral catheter. The toxicity within the upper urinary tract was considered consistent with the disease under study and the mode of administration of UGN-101. Most events in the Renal and urinary disorders SOC were mild to moderate in severity and resolved. No new risks were identified and the overall safety profile was consistent with the known safety profile of endoscopic administration of intravesical mitomycin and of mitomycin. Overall, based on the safety and efficacy results to date, the benefit-risk profile of UGN-101 is favorable for the treatment of LG-UTUC.
    Time Frame Through study completion, an average of 15 months

    Outcome Measure Data

    Analysis Population Description
    Safety: Consisted of all patients who enrolled in the study and received at least 1 instillation of UGN-101.
    Arm/Group Title UGN-101 Mitomycin for Pyelocalyceal Solution
    Arm/Group Description This was a prospective, open-label, single-arm, pivotal phase study, designed to assess the efficacy, tolerability, and safety UGN-101 treatment administered to the Upper Urinary Tract (UUT). Upon signing of informed consent, the patients underwent a Screening Visit for eligibility evaluation. Eligible patients with confirmed low grade (LG) noninvasive Upper Tract Urothelial Carcinoma (UTUC) were treated with 6 once-weekly instillations of UGN-101. Tumor response was evaluated at the PDE Visit, 5 weeks after the last treatment period instillation. Patients who demonstrated complete response (CR) could enter a maintenance period and receive up to11 once-monthly instillations, per investigator modified treatment regimen.
    Measure Participants 71
    Treatment-emergent Adverse Events (TEAEs)
    67
    94.4%
    TEAEs related to study drug
    52
    73.2%
    TEAEs related to study procedure
    55
    77.5%
    TEAEs related to study drug or preocedure
    61
    85.9%
    Serious Adverse Events (SAE)
    28
    39.4%
    SAEs related to study drug or procedure
    19
    26.8%
    7. Secondary Outcome
    Title Pharmacokinetic: The PK Profiles of the First UGN-101 Instillation in the Blood Were to be Examined for the First 6 Patients.
    Description Tmax: time to maximum plasma concentration Analysis of individual plasma concentration versus time profiles showed that at 6 hours post instillation, the plasma concentrations of all 6 patients were below 2 ng/mL, with the plasma concentration of one patient dropping below the LOQ (i.e., < 0.100 ng/mL). The mean Cmax was 6.24 ng/mL (range: 2.43 to 12.80 ng/mL), and the Tmax was 1.79 hours (range: 0.50 to 5.17 hours) after instillation. The highest individual observed Cmax value of 12.80 ng/mL was 187-fold and 40 fold lower than the observed Cmax level following an intravenous bolus dose of 30 mg or 10 mg mitomycin (2.4 μg/mL and 0.52 μg/mL, respectively) and is 31 fold lower than the threshold value of 400 ng/mL for myelosuppression observed with mitomycin.
    Time Frame Blood samples were collected at 0 minutes (pre-dose) and 30 minutes, 1, 2, 3, 4, 5, and 6 hours following the first instillation with UGN-101

    Outcome Measure Data

    Analysis Population Description
    PK Analysis Set: Consisted of patients who signed consent for PK and had sufficient PK data for the determination of PK parameters.
    Arm/Group Title Pharmacokinetic Population
    Arm/Group Description The PK profiles of the first UGN-101 instillation in the blood were to be examined for the first 6 patients.
    Measure Participants 6
    Mean (Inter-Quartile Range) [Hours]
    1.79
    8. Secondary Outcome
    Title Pharmacokinetic: The PK Profiles of the First UGN-101 Instillation in the Blood Were to be Examined for the First 6 Patients.
    Description Half-life (t½): terminal half-life The mean apparent t½ following instillation of mitomycin into the upper urinary tract (UUT) was 1.27 hours (76 minutes), which was longer than the true t½ of mitomycin following a 30 mg bolus injection (mean t½ value of approximately 17 minutes). The apparent t½ demonstrates that UGN-101 dissolved gradually, resulting in prolonged exposure of mitomycin following local instillation into the UUT.
    Time Frame Blood samples were collected at 0 minutes (pre-dose) and 30 minutes, 1, 2, 3, 4, 5, and 6 hours following the first instillation with UGN-101

    Outcome Measure Data

    Analysis Population Description
    PK Analysis Set: Consisted of patients who signed consent for PK and had sufficient PK data for the determination of PK parameters.
    Arm/Group Title Pharmacokinetic Population
    Arm/Group Description The PK profiles of the first UGN-101 instillation in the blood were to be examined for the first 6 patients.
    Measure Participants 6
    Number [Hours]
    1.27

    Adverse Events

    Time Frame The study period for Adverse Events (AEs) collection was defined from the Informed Consent Form (ICF) signature and up to 30 days following the last administration of investigational product unless the AE was suspected to be related to the study treatment or was a Serious Adverse Event, in such case the AE should be reported regardless to the timelines of the reporting period. Through study completion, an average of 15 months.
    Adverse Event Reporting Description
    Arm/Group Title UGN-101 Mitomycin for Pyelocalyceal Solution
    Arm/Group Description This was a prospective, open-label, single-arm, pivotal phase study, designed to assess the efficacy, tolerability, and safety UGN-101 treatment administered to the Upper Urinary Tract (UUT). Upon signing of informed consent, the patients underwent a Screening Visit for eligibility evaluation. Eligible patients with confirmed Low Grade (LG) noninvasive Upper Tract Urothelial Carcinoma (UTUC) were treated with 6 once-weekly instillations of UGN-101. Tumor response was evaluated at the Primary Disease Evaluation (PDE) Visit, 5 weeks after the last treatment period instillation. Patients who demonstrated complete response (CR) could enter a maintenance period and receive up to11 once-monthly instillations, per investigator modified treatment regimen.
    All Cause Mortality
    UGN-101 Mitomycin for Pyelocalyceal Solution
    Affected / at Risk (%) # Events
    Total 5/71 (7%)
    Serious Adverse Events
    UGN-101 Mitomycin for Pyelocalyceal Solution
    Affected / at Risk (%) # Events
    Total 28/71 (39.4%)
    Blood and lymphatic system disorders
    Anaemia 1/71 (1.4%) 1
    Iron deficiency anaemia 1/71 (1.4%) 1
    Pancytopenia 1/71 (1.4%) 1
    Thrombocytopenia 1/71 (1.4%) 1
    Cardiac disorders
    Arrhythmia 1/71 (1.4%) 1
    Atrial fibrillation 1/71 (1.4%) 1
    Cardiac failure acute 1/71 (1.4%) 1
    Cardiac failure chronic 1/71 (1.4%) 1
    Cardiac failure congestive 1/71 (1.4%) 1
    Pericardial effusion 1/71 (1.4%) 1
    Pulmonary oedema 1/71 (1.4%) 1
    Supraventricular tachycardia 1/71 (1.4%) 1
    Gastrointestinal disorders
    Vomiting 2/71 (2.8%) 2
    General disorders
    Asthenia 1/71 (1.4%) 1
    Death 1/71 (1.4%) 1
    Pyrexia 1/71 (1.4%) 1
    Immune system disorders
    Hypersensitivity 1/71 (1.4%) 1
    Infections and infestations
    Gangrene 1/71 (1.4%) 1
    Pneumonia 1/71 (1.4%) 1
    Septic shock 1/71 (1.4%) 1
    Injury, poisoning and procedural complications
    Burns third degree 1/71 (1.4%) 1
    Fall 1/71 (1.4%) 1
    Metabolism and nutrition disorders
    Dehydration 2/71 (2.8%) 2
    Failure to thrive 2/71 (2.8%) 2
    Hyperglycaemia 1/71 (1.4%) 1
    Hyponatraemia 1/71 (1.4%) 1
    Musculoskeletal and connective tissue disorders
    Ankle fracture 1/71 (1.4%) 1
    groin pain 1/71 (1.4%) 1
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Transitional cell cancer of renal pelvis and ureter metastatic 1/71 (1.4%) 1
    Nervous system disorders
    Transient global amnesia 1/71 (1.4%) 1
    Renal and urinary disorders
    Ureteric stenosis 5/71 (7%) 5
    Hyrdornephrosis 4/71 (5.6%) 4
    Flank Pain 3/71 (4.2%) 3
    Urosepsis 3/71 (4.2%) 3
    Heamaturia 2/71 (2.8%) 2
    Urinary tract infection 2/71 (2.8%) 2
    Acute kidney injury 1/71 (1.4%) 1
    Pelvi-ureteric obstruction 1/71 (1.4%) 1
    Pyelonephritis 1/71 (1.4%) 1
    Ureteric obstruction 1/71 (1.4%) 1
    Urinary tract obstruction 1/71 (1.4%) 1
    Respiratory, thoracic and mediastinal disorders
    Acute respiratory failure 2/71 (2.8%) 2
    Chronic obstructive pulmonary disease 2/71 (2.8%) 2
    Dyspnoea 2/71 (2.8%) 2
    Vascular disorders
    Aortic dissection 1/71 (1.4%) 1
    Cerebrovascular accident 1/71 (1.4%) 1
    Hypotension 1/71 (1.4%) 1
    Subdural haematoma 1/71 (1.4%) 1
    Syncope 1/71 (1.4%) 1
    Other (Not Including Serious) Adverse Events
    UGN-101 Mitomycin for Pyelocalyceal Solution
    Affected / at Risk (%) # Events
    Total 67/71 (94.4%)
    Blood and lymphatic system disorders
    Anemia 10/71 (14.1%) 10
    Leukopenia 4/71 (5.6%) 4
    Thrombocytopenia 4/71 (5.6%) 4
    Gastrointestinal disorders
    Nausea 18/71 (25.4%) 18
    Vomiting 14/71 (19.7%) 14
    Abdominal Pain 14/71 (19.7%) 14
    Diarrhoea 6/71 (8.5%) 6
    Abdominal pain lower 6/71 (8.5%) 6
    Constipation 5/71 (7%) 5
    General disorders
    Fatigue 11/71 (15.5%) 11
    Pyrexia 9/71 (12.7%) 9
    Chills 8/71 (11.3%) 8
    Asthenia 8/71 (11.3%) 8
    Metabolism and nutrition disorders
    Decreased appetite 7/71 (9.9%) 7
    Dehydration 6/71 (8.5%) 6
    Weight loss poor 4/71 (5.6%) 4
    Musculoskeletal and connective tissue disorders
    Back pain 10/71 (14.1%) 10
    Pain in extremity 4/71 (5.6%) 4
    Neoplasms benign, malignant and unspecified (incl cysts and polyps)
    Bladder transitional cell carcinoma 6/71 (8.5%) 6
    Nervous system disorders
    Headache 5/71 (7%) 5
    Psychiatric disorders
    Depression 4/71 (5.6%) 4
    Renal and urinary disorders
    Ureteric stenosis 31/71 (43.7%) 31
    Urinary tract infection 23/71 (32.4%) 23
    Haematuria 23/71 (32.4%) 23
    Flank Pain 22/71 (31%) 22
    Dysuria 16/71 (22.5%) 16
    Renal impairment 14/71 (19.7%) 14
    Hydronephrosis 13/71 (18.3%) 13
    Pollakiuria 10/71 (14.1%) 10
    Acute kidney injury 6/71 (8.5%) 6
    urinary tract inflammation 5/71 (7%) 5
    Urinary tract obstruction 5/71 (7%) 5
    Pelvi-ureteric obstruction 4/71 (5.6%) 4
    Renal Failure 4/71 (5.6%) 4
    urine abnormality 4/71 (5.6%) 4
    Respiratory, thoracic and mediastinal disorders
    Dyspnoea 5/71 (7%) 5
    Cough 4/71 (5.6%) 4
    Skin and subcutaneous tissue disorders
    Pruritus 9/71 (12.7%) 9
    Rash 4/71 (5.6%) 4
    Vascular disorders
    Hypertension 7/71 (9.9%) 7

    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 Madlen Malinowski
    Organization UroGen Pharma Ltd.
    Phone 6467689533
    Email madlen.malinowski@urogen.com
    Responsible Party:
    UroGen Pharma Ltd.
    ClinicalTrials.gov Identifier:
    NCT02793128
    Other Study ID Numbers:
    • TC-UT-03-P
    First Posted:
    Jun 8, 2016
    Last Update Posted:
    Dec 22, 2020
    Last Verified:
    Dec 1, 2020