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A Phase 1b Study of TAS-120 and Pembrolizumab

A Phase 1b Study to Assess the Safety, Tolerability, and Efficacy of TAS-120 (Futibatinib) in Combination with MK-3475 (Pembrolizumab) in Patients with Solid Tumors (MK3475 - 990)

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080224975
Enrollment
207
Registered
2019-12-05
Start date
2020-02-04
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Patients with advanced or metastatic esophageal carcinoma or non-small-cell lung cancer

Interventions

investigational material(s) Generic name etc : futibatinib INN of investigational material : futibatinib Therapeutic category code : 429 Other antitumor agents Dosage and Administration for Investigat

Sponsors

Taiho Pharmaceutical Co., Ltd.
Lead Sponsor
Merck Sharp & Dohme Corp.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Be willing and able to provide written informed consent for the trial. Able to take medications orally. Have a measurable disease per RECIST 1.1 Have adequate organ function value Is willing and able to comply with scheduled visits, treatment plans, laboratory tests, and other protocol procedures Feasibility phase Have histologically confirmed advanced or metastatic solid tumors Be positive for FGF/FGFR abnormalities Expansion phase Have histologically confirmed advanced or metastatic esophageal carcinoma or non-small cell lung cancer Have mRNA of FGFR 1, 2, 3, or 4 overexpression in tumor tissue sample (non-small cell lung cancer)

Exclusion criteria

Exclusion criteria: Have a serious illness or medical conditions. Have history of allergic reactions attributed to compounds of similar chemical or biologic composition to futibatinib and any drug similar to futibatinib in structure or class

Design outcomes

Primary

MeasureTime frame
safety efficacy Safety, Efficacy

Secondary

MeasureTime frame
safety efficacy Safety, Efficacy

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026