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BI1206

Phase 1

Solid Tumor, Adult | Small molecule | Oncology |Merck & Company, Inc.|Last Updated: Jun 25, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment197

FDA Designations

No designations recorded

Clinical trial landscape

BI1206 · 1 trial · 1 indication

Phase 1 1
NCT04219254A Study of BI-1206 in Combination With Pembrolizumab in Subjects With Advanced Solid TumorsSolid Tumor, Adult
RECRUITING197 Analytics
PHASE1RECRUITING
A Study of BI-1206 in Combination With Pembrolizumab in Subjects With Advanced Solid Tumors
Solid Tumor, AdultUnlock trial analytics

Study Endpoints

Primary Endpoints

Documentation of AEs and SAEs, clinically significant laboratory parameters, and physical findings, as well as their causality to BI-1206 and/or pembrolizumab administration
Up to 2 year

Assess the safety and tolerability profile of increasing doses of BI-1206, administered IV or SC, in combination with pembrolizumab in subjects with advanced solid tumors

DLT occurrence; determination of signal-seeking dose, the MTD or maximum administered dose of BI-1206 in Phase 1, based on the mTPI-2 design
During the 42-day treatment period on induction therapy

In Phase 1, identify DLTs, determine the MTD, and select a signal-seeking Phase 2a dose of BI-1206 given via IV infusion or SC injection in combination with pembrolizumab (administered at the standard dose of 200 mg every 3 weeks) to subjects with advanced solid tumors who are experiencing disease progression and have been previously treated with anti-PD-1 or anti- PD-L1 antibodies

Secondary Endpoints

Determination of standard PK parameters (i.e., AUC, Cmax, Tmax, and terminal half-life [t½]) for BI-1206
Up to 2 year
Measurement of ADA response to BI-1206.
Up to 2 year
Measurement of CD32b receptor occupancy on B cells.
Up to 2 year
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
BI-1206 + Pembrolizumab 25mg/mL (MK-3475)EXPERIMENTALBI-1206 administrated either IV or SC + Pembrolizumab 200mg administered IV every third week as a fixed dose will be used.

Interventions

NameTypeDescription
BI1206DRUGBI-1206 administrated either IV or SC every third week. Pembrolizumab 200mg administered IV every third week as a fixed dose will be used in Phase 1 and IIa. The mTPI2 Design will be used for both the IV and SC cohorts. ivRP2D and scRP2D to be used in Phase
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites26

Inclusion Criteria: * Is willing and able to provide written informed consent for the trial. * Is ≥18 years of age on day of signing informed consent. * Phase I only: Has a histologically confirmed advanced solid tumor. Subjects must have received at least 2 doses of an approved anti-PD-1/L1 mAb, a...

Countries:United StatesGeorgiaGermanyPolandRomaniaSpainSweden
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Frequently asked questions about BI1206

What is BI1206 used for in solid tumors?

BI1206 is an investigational small molecule being studied for the treatment of advanced solid tumors in adults. It is currently in Phase 1 clinical development, evaluated in combination with pembrolizumab in patients with advanced solid tumors.

What does BI1206 target?

BI1206 is a small molecule, but its specific molecular target has not been disclosed in the available information. The drug is being studied in combination with pembrolizumab, an immune checkpoint inhibitor, for advanced solid tumors.

Who makes BI1206?

BI1206 is being developed by Merck & Company, Inc., a pharmaceutical company traded on the New York Stock Exchange under the ticker symbol MRK. The drug is currently in Phase 1 clinical trials.

What phase is BI1206 in?

BI1206 is in Phase 1 clinical development. It is an investigational drug, not yet approved by regulatory authorities, and is being studied in an ongoing clinical trial for advanced solid tumors.

What clinical trials is BI1206 in?

BI1206 is being studied in one active clinical trial, NCT04219254, titled 'A Study of BI-1206 in Combination With Pembrolizumab in Subjects With Advanced Solid Tumors.' This Phase 1 trial is recruiting participants and has an enrollment of 197.

Is BI1206 the same as pembrolizumab?

No, BI1206 is not the same as pembrolizumab. BI1206 is an investigational small molecule being studied in combination with pembrolizumab, which is an established immunotherapy drug, in a clinical trial for advanced solid tumors.