FORTITUDE-102: Bemarituzumab Plus Chemotherapy and Nivolumab Versus Chemotherapy and Nivolumab for FGFR2b Overexpressed Untreated Advanced Gastric and Gastroesophageal Junction Cancer

Sponsor
Amgen (Industry)
Overall Status
Recruiting
CT.gov ID
NCT05111626
Collaborator
(none)
702
18
3
47.6
39
0.8

Study Details

Study Description

Brief Summary

The main objective of Part 1 is to evaluate the safety and tolerability of bemarituzumab plus 5-fluorouracil, leucovorin, and oxaliplatin (mFOLFOX6) and nivolumab.

The main objective Part 2 is to compare efficacy of bemarituzumab plus mFOLFOX6 and nivolumab to placebo plus mFOLFOX6 and nivolumab as assessed by overall survival.

Condition or Disease Intervention/Treatment Phase
Phase 3

Study Design

Study Type:
Interventional
Anticipated Enrollment :
702 participants
Allocation:
N/A
Intervention Model:
Parallel Assignment
Intervention Model Description:
This is a Phase 1b/3 study: Phase 1b (Part 1) is a single-arm open-label study, which will enroll about 20 participants Phase 3 (Part 2) is a randomized double-blind 2-arm study, which will enroll 682 participantsThis is a Phase 1b/3 study:Phase 1b (Part 1) is a single-arm open-label study, which will enroll about 20 participants Phase 3 (Part 2) is a randomized double-blind 2-arm study, which will enroll 682 participants
Masking:
Double (Participant, Investigator)
Primary Purpose:
Treatment
Official Title:
A Phase 1b/3 Study of Bemarituzumab Plus Chemotherapy and Nivolumab Versus Chemotherapy and Nivolumab Alone in Subjects With Previously Untreated Advanced Gastric and Gastroesophageal Junction Cancer With FGFR2b Overexpression
Actual Study Start Date :
Mar 14, 2022
Anticipated Primary Completion Date :
Mar 3, 2026
Anticipated Study Completion Date :
Mar 3, 2026

Arms and Interventions

Arm Intervention/Treatment
Experimental: Part 1 Safety Lead-in: Bemarituzumab with mFOLFOX6 and Nivolumab

Participants will be administered bemarituzumab at different doses with mFOLFOX6 and nivolumab to determine the recommended phase 3 dose (RP3D) based on occurence of dose-limiting toxicities (DLTs), and on an evaluation of the overall safety, tolerability, and pharmacokinetics (PK).

Drug: Bemarituzumab
Bemarituzumab will be administered as intravenous (IV) infusion.
Other Names:
  • AMG 552
  • Drug: Nivolumab
    Nivolumab will be administered as IV infusion.

    Drug: mFOLFOX6
    5-fluorouracil, leucovorin, and oxaliplatin will be administered as IV infusion.

    Experimental: Part 2: Bemarituzumab with mFOLFOX6 and Nivolumab

    Participants will be administered bemarituzumab at the RP3D determined from Part 1 in combination with mFOLFOX6 and nivolumab.

    Drug: Bemarituzumab
    Bemarituzumab will be administered as intravenous (IV) infusion.
    Other Names:
  • AMG 552
  • Drug: Nivolumab
    Nivolumab will be administered as IV infusion.

    Drug: mFOLFOX6
    5-fluorouracil, leucovorin, and oxaliplatin will be administered as IV infusion.

    Placebo Comparator: Part 2: Placebo with mFOLFOX6 and Nivolumab

    Participants will be administered placebo comparator in combination with mFOLFOX6 and nivolumab.

    Drug: Nivolumab
    Nivolumab will be administered as IV infusion.

    Drug: mFOLFOX6
    5-fluorouracil, leucovorin, and oxaliplatin will be administered as IV infusion.

    Other: Placebo
    Placebo will be administered as IV infusion.

    Outcome Measures

    Primary Outcome Measures

    1. Part 1: Number of Participants Who Experienced Dose-Limiting Toxicities (DLTs) [28 days]

    2. Part 1: Number of Participants Who Experienced One or More Treatment-Emergent Adverse Events (TEAEs) [Up to 4.5 years]

    3. Part 1: Number of Participants Who Experienced One or More Related TEAEs [Up to 4.5 years]

    4. Part 1: Number of Participants With Clinically Significant Changes in Vital Signs [Up to 4.5 years]

    5. Part 1: Number of Participants With Clinically Significant Changes in Visual Acuity [Up to 4.5 years]

    6. Part 1: Number of Participants With Clinically Significant Changes in Electrocardiogram (ECG) [Up to 4.5 years]

    7. Part 1: Number of Participants With Clinically Significant Changes in Physical Examinations [Up to 4.5 years]

    8. Part 1: Number of Participants with Clinically Significant Changes in Clinical Laboratory Tests [Up to 4.5 years]

    9. Part 2: Overall Survival [Up to 4.5 years]

    Secondary Outcome Measures

    1. Part 1 & 2: Objective Response (OR) [Up to 4.5 years]

    2. Part 1 & 2: Duration of Response (DoR) [Up to 4.5 years]

    3. Part 1 & 2: Disease Control Rate (DCR) [Up to 4.5 years]

    4. Part 1 & 2: Progression Free Survival (PFS) [Up to 4.5 years]

    5. Part 1: Overall Survival [Up to 4.5 years]

    6. Part 2: Number of Participants Who Experienced One or More Treatment-Emergent Adverse Events (TEAEs) [Up to 4.5 years]

    7. Part 2: Number of Participants With Clinically Significant Changes in Vital Signs [Up to 4.5 years]

    8. Part 2: Number of Participants With Clinically Significant Changes in Visual Acuity [Up to 4.5 years]

    9. Part 2: Number of Participants with Clinically Significant Changes in Clinical Laboratory Tests [Up to 4.5 years]

    10. Part 1: Area Under the Concentration Time Curve (AUC) for Bemarituzumab [Day 1 to up to 4.5 years]

    11. Part 1 & 2: Maximum Observed Concentration (Cmax) for Bemarituzumab [Day 1 to up to 4.5 years]

    12. Part 1 & 2: Observed Concentration at the End of a Dose Interval (Ctrough) for Bemarituzumab [Day 1 to up to 4.5 years]

    13. Part 1 & 2: Number of Participants With Anti-Bemarituzumab Antibody Formation [Day 1 to up to 4.5 years]

    14. Part 2: Mean Score in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Version 3.0 (QLQ-C30) Individual Scores [Up to 4.5 years]

    15. Part 2: Change From Baseline in European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire Version 3.0 (QLQ-C30) Individual Scores [Baseline to up to 4.5 years]

    16. Part 2: Mean Score in Stomach Cancer Related Symptoms Measured by European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Stomach 22 (QLQ-STO22) [Up to 4.5 years]

    17. Part 2: Change From Baseline in Stomach Cancer Related Symptoms Measured by European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Stomach 22 (QLQ-STO22) [Baseline to up to 4.5 years]

    18. Part 2: Mean Score of Visual Analogue Scale (VAS) Scores as Measured by EuroQol 5-dimensional (EQ-5D-5L) [Up to 4.5 years]

    19. Part 2: Change From Baseline of Visual Analogue Scale (VAS) Scores as Measured by EuroQol 5-dimensional (EQ-5D-5L) [Baseline to up to 4.5 years]

    20. Part 2: Time to Deterioration in Stomach Cancer Related Symptoms Measured by European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Stomach 22 (QLQ-STO22) [Day 1 to up to 4.5 years]

    21. Part 2: Time to Deterioration in Health-Related Quality of Life (HRQoL) Scores [Day 1 to up to 4.5 years]

    22. Part 2: Time to Deterioration in Physical Function Scores [Day 1 to up to 4.5 years]

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years to 100 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria Part 1:
    • Adult with unresectable, locally advanced or metastatic (not amenable to curative therapy) histologically documented gastric or gastroesophageal junction adenocarcinoma

    • Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1

    • Measurable disease or non-measurable, but evaluable disease, according to Response Evaluation Criteria in Solid Tumours version 1.1 (RECIST v1.1)

    • Participant has no contraindications to mFOLFOX6 chemotherapy or nivolumab

    • Adequate organ function as follows:

    • Absolute neutrophil count ≥ 1.5 x 10^9/L

    • Platelet count ≥ 100 x 10^9/L

    • Hemoglobin ≥ 9 g/dL without red blood cell (RBC) transfusion within 7 days prior to the first dose of study treatment

    • Aspartate aminotransaminase (AST) and Alanine aminotransaminase (ALT) <3 x upper limit of normal (ULN) (or < 5 x ULN if liver involvement)

    • Total bilirubin <1.5 x ULN (or < 2 x ULN if liver involvement or Gilbert's disease)

    • Calculated or measured creatinine clearance (CrCl) of ≥ 50 mL/minute calculated using the formula of Cockcroft and Gault

    • International Normalized Ratio (INR) or prothrombin time (PT) < 1.5 × ULN except for participants receiving anticoagulation, who must be on a stable dose of anticoagulant therapy for 6 weeks prior to enrollment

    Additional Inclusion Criteria Part 2:
    • No prior treatment for metastatic or unresectable disease except for a maximum of 1 dose of mFOLFOX6 with or without nivolumab. Prior adjuvant, neo-adjuvant, and peri-operative therapy is allowed, provided it has been completed more than 6 months prior to the first dose of study treatment

    • Fibroblast growth factor receptor 2b (FGFR2b) overexpression positive as determined by centrally performed immunohistochemistry (IHC) testing

    Exclusion Criteria:
    • Prior treatment with any selective inhibitor of the fibroblast growth factor (FGF)-FGFR pathway

    • Known positive human epidermal growth factor receptor 2 (HER2) status

    • Untreated or symptomatic central nervous system disease metastases and leptomeningeal disease

    • Peripheral sensory neuropathy grade 2 or higher

    • Clinically significant cardiac disease

    • Other malignancy within the last 2 years (exceptions for definitively treated disease)

    • Chronic or systemic ophthalmologic disorders

    • Major surgery or other investigational study within 28 days prior to randomization

    • Palliative radiotherapy within 14 days prior to randomization

    • Abnormalities of the cornea that may pose an increased risk of developing a corneal ulcer

    • Active autoimmune disease that has required systemic treatment (except replacement therapy) within the past 2 years or any other diseases requiring immunosuppressive therapy while on study

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Mayo Clinic - Arizona Phoenix Arizona United States 85054
    2 City of Hope National Medical Center Duarte California United States 91010
    3 University of California Los Angeles Bowyer Hematology-Oncology Clinic Los Angeles California United States 90095
    4 University of California at Irvine Medical Center Orange California United States 92868
    5 Innovative Clinical Research Institute Whittier California United States 90603
    6 Mayo Clinic Florida Jacksonville Florida United States 32224
    7 Mayo Clinic Rochester Rochester Minnesota United States 55905
    8 Memorial Sloan Kettering Cancer Center New York New York United States 10022
    9 The West Clinic, PLLC Germantown Tennessee United States 38138
    10 Sarah Cannon Research Institute Nashville Tennessee United States 37203
    11 Texas Oncology - Austin Midtown Austin Texas United States 78705
    12 University of Texas MD Anderson Cancer Center Houston Texas United States 77030
    13 Virginia Oncology Associates Norfolk Virginia United States 23502
    14 Northwest Cancer Specialists - Vancouver Vancouver Washington United States 98684
    15 The Queen Elizabeth Hospital Woodville South South Australia Australia 5011
    16 National Cancer Center Hospital East Kashiwa-shi Chiba Japan 277-8577
    17 The Cancer Institute Hospital of Japanese Foundation for Cancer Research Koto-ku Tokyo Japan 135-8550
    18 Ninewells Hospital and Medical School Dundee United Kingdom DD1 9SY

    Sponsors and Collaborators

    • Amgen

    Investigators

    • Study Director: MD, Amgen

    Study Documents (Full-Text)

    None provided.

    More Information

    Additional Information:

    Publications

    None provided.
    Responsible Party:
    Amgen
    ClinicalTrials.gov Identifier:
    NCT05111626
    Other Study ID Numbers:
    • 20210098
    First Posted:
    Nov 8, 2021
    Last Update Posted:
    Aug 9, 2022
    Last Verified:
    Aug 1, 2022
    Individual Participant Data (IPD) Sharing Statement:
    Yes
    Plan to Share IPD:
    Yes
    Studies a U.S. FDA-regulated Drug Product:
    Yes
    Studies a U.S. FDA-regulated Device Product:
    No
    Keywords provided by Amgen
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of Aug 9, 2022