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GB-5267- only

Phase 1

Platinum-resistant Ovarian Cancer | Monoclonal antibody | Oncology |Generate Biomedicines, Inc.|Last Updated: Mar 27, 2026

Target and mechanism

ModalityMonoclonal antibody

Also known as GB-5267 - IV only

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment18

FDA Designations

No designations recorded

Clinical trial landscape

GB-5267- only · 1 trial · 1 indication

Phase 1 1
NCT07489287GB-5267 for the Treatment Platinum-Resistant Ovarian, Peritoneal, or Fallopian Tube CancerPlatinum-resistant Ovarian Cancer
NOT YET_RECRUITING18 Analytics
PHASE1NOT YET_RECRUITING
GB-5267 for the Treatment Platinum-Resistant Ovarian, Peritoneal, or Fallopian Tube Cancer
Platinum-resistant Ovarian CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Maximum Tolerated Dose (MTD) - Cohort A
28 days from GB-5267 cell infusion

Determine the MTD by assessing the incidence of dose limiting toxicities (DLTs) of GB-5267

Number of DLTs in combined IV and IP infusions of GB-5267 - Cohort B
Day 0 through day 7 after GB-5267 infusion

Evaluated using the Clopper-Pearson method

Secondary Endpoints

Time to Response - Cohort A
From start of treatment to first observation of overall response -Up to 2 years
Time to Response - Cohort B
Up to 2 years
Duration of Response - Cohort A
From time of overall response to disease progression or death -Up to 2 years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
IV OnlyEXPERIMENTALPatients receive IV only infusion of GB-5267 cells
Dose Expansion with Combined IV and IP InfusionEXPERIMENTALA combined administration of both IV and IP infusions.

Interventions

NameTypeDescription
GB-5267 - IV onlyBIOLOGICALIV infusion
GB-5267 -Combined IV and IP InfusionBIOLOGICALIV and IP Infusion
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * At least 18 years of age * Patients must have epithelial ovarian, peritoneal, or fallopian tube cancer that is confirmed by histology or cytology, with a histopathological diagnosis of serous, clear cell, endometrioid, mucinous carcinoma, or carcinosarcoma. * Must have platinu...

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Frequently asked questions about GB-5267- only

What is GB-5267 used for?

GB-5267 is an investigational monoclonal antibody being developed for the treatment of platinum-resistant ovarian cancer. It is also being studied for platinum-resistant peritoneal or fallopian tube cancer. The drug is currently in Phase 1 clinical development and has not been approved by regulatory authorities.

What does GB-5267 target?

GB-5267 is a monoclonal antibody, but its specific molecular target has not been disclosed in available information. The drug is being evaluated in a biomarker-selected patient population, suggesting it may target a specific molecular pathway relevant to platinum-resistant ovarian cancer.

Who is developing GB-5267?

GB-5267 is being developed by Generate Biomedicines, Inc., a biopharmaceutical company. The company is listed under the ticker symbol GENB. Generate Biomedicines is conducting clinical trials to evaluate the safety and efficacy of GB-5267 in patients with platinum-resistant ovarian cancer.

What phase is GB-5267 in?

GB-5267 is in Phase 1 clinical development. It is an investigational drug and has not yet been approved by the FDA or other regulatory agencies. The ongoing Phase 1 trial is designed to assess the safety, tolerability, and preliminary efficacy of GB-5267 in patients with platinum-resistant ovarian, peritoneal, or fallopian tube cancer.

What clinical trials is GB-5267 in?

GB-5267 is being studied in a single Phase 1 clinical trial with the identifier NCT07489287. The trial is titled 'GB-5267 for the Treatment Platinum-Resistant Ovarian, Peritoneal, or Fallopian Tube Cancer' and is expected to enroll 18 patients aged 18 years and older. The study is not yet recruiting participants.

Is GB-5267 the same as GB-5267 - IV only?

Yes, GB-5267 is also known as GB-5267 - IV only, indicating that the drug is administered intravenously. The alternative name is used to specify the route of administration in clinical trial settings. Both names refer to the same investigational monoclonal antibody being developed by Generate Biomedicines.