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CGT6297

Phase 1

PIK3CA Mutations | Small molecule | Oncology |Cogent Biosciences, Inc.|Last Updated: Aug 26, 2026

Target and mechanism

Molecular targetPI3K
Target classKinase
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMC
Total Trials1
Total Enrollment90

FDA Designations

No designations recorded

Clinical trial landscape

CGT6297 · 1 trial · 5 indications

Phase 1 1
NCT07383506A Study of Mutant Selective-Inhibitor (CGT6297), in Patients With Advanced Solid TumorsPIK3CA Mutations
RECRUITING90 Analytics
PHASE1RECRUITING
A Study of Mutant Selective-Inhibitor (CGT6297), in Patients With Advanced Solid Tumors
PIK3CA MutationsUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence and grade of Adverse Events (AEs) and Serious Adverse Events (SAEs) [Phase 1a]
Approximately 12 months

Incidence and grade of Adverse Events (AEs) and Serious Adverse Events (SAEs) and AEs leading to dose modifications and dose limiting toxicities (DLTs) to determine the maximum tolerated dose (MTD) or the maximum evaluated dose (MED) of CGT6297 in participants with advanced solid tumors harboring PIK3CA mutations

Overall Response Rate [Phase 1b]
Approximately 8 months

Overall Response Rate (ORR), as determined by CR + PR based on Investigator assessment using RECIST v1.1

Secondary Endpoints

Incidence and grade of Adverse Events (AEs) and Serious Adverse Events (SAEs) [Phase 1b]
Approximately 12 months
Pharmacokinetics (Part 1a)
Approximately 28 days
Disease Response (Part 1b)
Approximately 8 months
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Dose EscalationEXPERIMENTALPart 1a: Dose Escalation of Multiple doses of CGT6297 for oral administration
Signal SeekingEXPERIMENTALPhase 1b: Participants will receive CGT6297 at a dose level selected based on data from Phase 1a

Interventions

NameTypeDescription
CGT6297DRUGCGT6297 Daily Oral Administration
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites11

Inclusion Criteria: 1. Histologically confirmed advanced solid tumor harboring oncogenic PIK3CA mutations in blood and/or tumor: 1. Phase 1b Cohort 1, participants must have PIK3CA endometrial cancer 2. Phase 1b Cohort 2, participants must have HR-positive/HER2-negative or HER2-low breast ca...

Countries:United States
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Recent Changes (Last 90 Days)

LOWAug 26, 2026NCT07383506startDate: changed
LOWAug 26, 2026NCT07383506startDate: changed
LOWJul 2, 2026NCT07383506lastUpdatePostDate: changed
LOWJul 2, 2026NCT07383506lastUpdatePostDate: changed
LOWJul 2, 2026NCT07383506lastUpdatePostDate: changed
LOWJul 2, 2026NCT07383506lastUpdatePostDate: changed

Frequently asked questions about CGT6297

What is CGT6297 used for?

CGT6297 is an investigational small molecule being developed for the treatment of advanced solid tumors with PIK3CA mutations, including endometrial cancer and HR-positive/HER2-negative or HER2-low breast cancer. It is currently in Phase 1 clinical development and is not yet approved by the FDA.

What does CGT6297 target?

CGT6297 targets PI3K, a kinase enzyme involved in cell growth and survival. By inhibiting this target, the drug is designed to interfere with signaling pathways that drive tumor growth in cancers harboring PIK3CA mutations.

Who makes CGT6297?

CGT6297 is being developed by Cogent Biosciences, Inc., a biopharmaceutical company traded on the NASDAQ under the ticker symbol COGT. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with advanced solid tumors.

What phase is CGT6297 in?

CGT6297 is in Phase 1 clinical development. It is an investigational drug currently being studied in a recruiting clinical trial for patients with advanced solid tumors and PIK3CA mutations. The drug has not yet received FDA approval and remains in early-stage testing.

What clinical trials is CGT6297 in?

CGT6297 is being evaluated in a single Phase 1 clinical trial registered as NCT07383506, titled "A Study of Mutant Selective-Inhibitor (CGT6297), in Patients With Advanced Solid Tumors." The trial is recruiting participants in the United States and aims to enroll approximately 90 patients.

Is CGT6297 the same as other PI3K inhibitors?

CGT6297 is a mutant-selective PI3K inhibitor, meaning it is designed to specifically target mutated forms of PI3K. While it shares a molecular target with other PI3K inhibitors, it is a distinct investigational compound developed by Cogent Biosciences and is not the same as any approved PI3K inhibitor.