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RecruitingLast updated: 2 February 2024

FORTITUDE-102: This phase Ib/III study is evaluating the safety and effectiveness of targeted therapy (bemarituzumab), compared to a placebo, when combined with chemotherapy (mFOLFOX6) and immunotherapy (nivolumab) in people with previously untreated, advanced stomach and gastro-oesophageal junction cancer with FGFR2b overexpressionA 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

Clinical summary

Summary

This study is being conducted in two parts. Part 1 (the phase Ib part) is evaluating how safe and tolerable bemarituzumab plus 5-fluorouracil, leucovorin, and oxaliplatin (mFOLFOX6) and nivolumab are when combined. Participants in this part will receive bemarituzumab at different doses (via intravenous [IV] infusion), with mFOLFOX6 (administered via IV) and nivolumab (via IV) to determine the recommended phase 3 dose (RP3D). Part 2 of the study (the Phase III section) is evaluating the efficacy of bemarituzumab plus mFOLFOX6 and nivolumab to placebo plus mFOLFOX6 and nivolumab. Eligible participants will be randomly allocated to either the experimental arm or placebo control arm. In the Experimental Arm, participants will receive bemarituzumab (administered via IV at the RP3D), in combination with mFOLFOX6 (via IV) and nivolumab (via IV). In the Placebo Comparator arm, participants will receive a placebo (via IV) in combination with mFOLFOX6 (via IV) and nivolumab (via IV).

Conditions

This trial is treating patients with stomach cancer and cancer of the gastro-oesophagael junction

Cancer

Upper gastrointestinal tract Cancers Upper gastrointestinal tract

Age

People18 - 100

Phase

III

Trial Acronym

FORTITUDE-102

More information

Trial Identifiers

Use the hyperlinks, where available to access additional clinical trial information.

Trial sponsor

AMGEN

Scientific 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

Eligibility

Inclusion

Inclusion Criteria Part 1 and Part 2:

  • 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 nivolumab and either mFOLFOX6 or CAPOX chemotherapy as per local prescribing information. Participants in Part 1 must have no contraindications to mFOLFOX6. Participants in Part 2 with contraindications to mFOLFOX6 are permitted and may be administered the CAPOX regimen, if no contraindications for this regimen exist. Participants in Part 2 with contraindications to CAPOX are permitted and may be administered the mFOLFOX6 regimen, if no contraindications for this regimen exist
  • 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)
    • Part 1 only: Calculated or measured creatinine clearance (CrCl) of ≥ 50 mL/minute calculated using the formula of Cockcroft and Gault ([140 - Age] × Mass [kg]/[72 × Creatinine mg/dL]) (x 0.85 if female).
  • Part 2 only: Calculated or measured creatinine clearance (CrCl) of ≥ 30 mL/minute calculated using the formula of Cockcroft and Gault ([140 - Age] × Mass [kg]/[72 × Creatinine mg/dL]) (x 0.85 if female).
  • 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 chemotherapy 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) ≥ 10% 2+/3+ tumor cells (TC) as determined by centrally performed immunohistochemistry (IHC) testing, based on tumor sample either archival (obtained within 6 months/180 days prior to signing pre-screening informed consent) or a fresh biopsy.

Exclusion

  • 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

Inclusion

  • Your cancer has not spread to other parts of the body.
  • Your cancer has spread to other parts of the body.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
  • You have previously been treated (or are currently being treated) on a clinical trial.
Message

Clinical trials have complex eligibility criteria.

Ask your doctor if this trial could be right for you.

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