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Pimicotinib

Phase 2

Tenosynovial Giant Cell Tumor | Small molecule | Oncology |Merck & Company, Inc.|Last Updated: Aug 10, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment20

FDA Designations

No designations recorded

Clinical trial landscape

Pimicotinib · 1 trial · 1 indication

Phase 2 1
NCT07499362Study of Pimicotinib in Japanese Participants With Tenosynovial Giant Cell Tumor (TGCT) (J-MANEUVER)Tenosynovial Giant Cell Tumor
RECRUITING20 Analytics
PHASE2RECRUITING
Study of Pimicotinib in Japanese Participants With Tenosynovial Giant Cell Tumor (TGCT) (J-MANEUVER)
Tenosynovial Giant Cell TumorUnlock trial analytics

Study Endpoints

Primary Endpoints

Safety Run-In Cohort: Number of Participants with Dose Limiting Toxicity (DLT)-like events
Day 1 up to Day 28 of Cycle 1 (each cycle is of 28 days)
Safety Run-In Cohort: Pharmacokinetic (PK) Plasma Concentration of Pimicotinib
Pre-dose up to 24 hours post-dose on Cycle 1 Day 1 and Cycle 1 Day 15 (each cycle is of 28 days)
Objective Response (OR) According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) as Assessed by Independent Review Committee
Time from first study treatment until progressive disease or death, assessed up to approximately 2 years

Secondary Endpoints

Objective Response (OR) According to Tumor Volume Score (TVS) as Assessed by Independent Review Committee (IRC)
Time from first study treatment until progressive disease or death, assessed up to approximately 2 years
Objective Response (OR) According to Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) as assessed by Investigator
Time from first study treatment until progressive disease or death, assessed up to approximately 2 years
Mean Change from Baseline in Range of Motion (ROM) at Week 25
Baseline, Week 25
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Safety Run-In followed by Expansion Cohort: PimicotinibEXPERIMENTAL -

Interventions

NameTypeDescription
PimicotinibDRUGIn the Safety Run-in Cohort, participants will receive 50 milligrams (mg) of pimicotinib once daily (QD), orally in 28-day cycles until disease progression (DP), death, discontinuation, or any other reason. The Safety Monitoring Committee (SMC) will monitor and assess tolerability of pimicotinib 50 mg QD during the safety run-in cohort. After making a recommendation about opening the Expansion Cohort based on the assessment in safety run-in cohort, participants will receive 50 mg of pimicotinib monotherapy QD, orally in 28-day cycles until disease progression (DP), death, discontinuation, or any other reason.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites3

Inclusion Criteria: * Japanese participants with a diagnosis of TGCT that has been histologically confirmed at the local laboratory and is unresectable (that is \[i.e.\] it is located in a complex anatomical site, extensively invasive, and cannot be completely resected; or a surgical operation may ...

Countries:Japan
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Recent Changes (Last 90 Days)

LOWAug 11, 2026NCT07499362lastUpdatePostDate: changed
LOWAug 11, 2026NCT07499362lastUpdatePostDate: changed
LOWAug 11, 2026NCT07499362lastUpdatePostDate: changed
LOWJul 10, 2026NCT07499362lastUpdatePostDate: changed
LOWJul 10, 2026NCT07499362lastUpdatePostDate: changed

Frequently asked questions about Pimicotinib

What is Pimicotinib used for?

Pimicotinib is an investigational small molecule being studied for the treatment of Tenosynovial Giant Cell Tumor (TGCT), a type of tumor that affects the joints. It is currently in Phase 2 clinical development and has not been approved by regulatory authorities.

What does Pimicotinib target?

Pimicotinib is a kinase inhibitor, as indicated by its '-tinib' suffix. It is being studied for its potential to target kinases involved in the growth of Tenosynovial Giant Cell Tumor. The specific molecular target has not been disclosed in available information.

Who makes Pimicotinib?

Pimicotinib is being developed by Merck & Company, Inc., a pharmaceutical company traded on the New York Stock Exchange under the ticker symbol MRK. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with Tenosynovial Giant Cell Tumor.

What phase is Pimicotinib in?

Pimicotinib is currently in Phase 2 clinical development. It is an investigational drug, meaning it has not yet received approval from regulatory agencies such as the FDA. The ongoing Phase 2 trial is recruiting participants to further assess its effects.

What clinical trials is Pimicotinib in?

Pimicotinib is being evaluated in a Phase 2 clinical trial with the identifier NCT07499362, titled 'Study of Pimicotinib in Japanese Participants With Tenosynovial Giant Cell Tumor (TGCT) (J-MANEUVER)'. This single-arm, open-label study is recruiting 20 participants in Japan and is not yet completed.

Is Pimicotinib the same as any other drug?

No alternative names for Pimicotinib have been reported. It is identified solely by its generic name in clinical trial registries and scientific literature. Patients and healthcare providers should refer to it as Pimicotinib when discussing this investigational therapy.