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BAY 3771249

Phase 1

Advanced/Metastatic Colorectal Adenocarcinoma | Small molecule | Oncology |Bayer AG|Last Updated: Jul 6, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment130

FDA Designations

No designations recorded

Clinical trial landscape

BAY 3771249 · 1 trial · 1 indication

Phase 1 1
NCT07535112A Study to Learn More About How Safe BAY 3771249 is and How Well it Works in People With Advanced or Metastatic Colorectal Cancer That Has a KRAS G12D MutationAdvanced/Metastatic Colorectal Adenocarcinoma
RECRUITING130 Analytics
PHASE1RECRUITING
A Study to Learn More About How Safe BAY 3771249 is and How Well it Works in People With Advanced or Metastatic Colorectal Cancer That Has a KRAS G12D Mutation
Advanced/Metastatic Colorectal AdenocarcinomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of participants with Treatment-emergent adverse events (TEAEs)
Up to approximately 2 years.

Applicable in Dosage escalation and expansion

Severity of TEAEs
Up to approximately 2 years.

Applicable in Dosage escalation and expansion

Change from baseline in vital signs: Pulse rate
Up to approximately 2 years

Applicable in Dosage escalation and expansion

Change from baseline in vital signs: Oxygen saturation
Up to approximately 2 years

Applicable in Dosage escalation and expansion

Change from baseline in vital signs: Respiratory rate
Up to approximately 2 years

Applicable in Dosage escalation and expansion

Change from baseline in vital signs: Blood pressure
Up to approximately 2 years

Applicable in Dosage escalation and expansion

Change from baseline in vital signs: Body temperature
Up to approximately 2 years

Applicable in Dosage escalation and expansion

Change from baseline in laboratory test results
Up to approximately 2 years

Hematology, serum chemistry, urinalysis and coagulation tests. Applicable in Dosage escalation and expansion

Number of participants experiencing a dose-limiting toxicity (DLT) at each dosage
Up to approximately 3 weeks

Applicable in Dose escalation part

Objective response rate (ORR) as determined by the Investigator according to RECIST v1.1
Up to approximately 2 years

Applicable in Dosage escalation and expansion

Secondary Endpoints

Pharmacokinetics (PK) parameters such as area under the concentration vs time curve (AUC)
Up to approximately 2 years
PK parameters such as maximum observed drug concentration (Cmax)
Up to approximately 2 years
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Dosage escalationEXPERIMENTALIn the dosage escalation part, different dose levels of BAY 3771249 administered as monotherapy and in combination with cetuximab are planned.
Dosage expansionEXPERIMENTALIn the dosage expansion part, participants will receive BAY 3771249 either as monotherapy or in combination with cetuximab until disease progression as defined by RECIST v1.1, the occurrence of unacceptable toxicity, or the fulfillment of any other withdrawal criteria.

Interventions

NameTypeDescription
BAY 3771249DRUGOral
CetuximabDRUGIntravenous (IV) infusion
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites21

Inclusion Criteria: * KRAS G12D mutated solid tumor * Participant must be ≥18 years old or the legal age of consent in the jurisdiction in which the study is taking place when signing the screening ICF * At least one measurable lesion as per RECIST v1.1. outside the CNS * Eastern Cooperative Oncolo...

Countries:United StatesAustraliaBelgiumDenmarkFinlandItalyNetherlandsSingaporeSpainSweden
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Recent Changes (Last 90 Days)

LOWJul 6, 2026NCT07535112lastUpdatePostDate: changed
LOWJul 6, 2026NCT07535112lastUpdatePostDate: changed

Frequently asked questions about BAY 3771249

What is BAY 3771249 used for?

BAY 3771249 is an investigational small molecule being studied for the treatment of advanced or metastatic colorectal adenocarcinoma. It is currently in Phase 1 clinical development, and it is being evaluated in patients whose tumors have a KRAS G12D mutation.

What does BAY 3771249 target?

BAY 3771249 targets the KRAS G12D mutation, a specific genetic alteration found in some colorectal cancers. The drug is designed to act on this mutation, which is the focus of the ongoing clinical trial in patients with advanced or metastatic colorectal adenocarcinoma.

Who makes BAY 3771249?

BAY 3771249 is being developed by Bayer AG, a multinational pharmaceutical company. Bayer AG is listed on the stock exchange under the ticker symbol BAYRY. The company is conducting clinical trials to evaluate the safety and efficacy of this investigational drug.

What phase is BAY 3771249 in?

BAY 3771249 is in Phase 1 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities. The ongoing Phase 1 trial is recruiting participants to study the drug's safety and how well it works in patients with advanced or metastatic colorectal cancer.

What clinical trials is BAY 3771249 in?

BAY 3771249 is being studied in a Phase 1 clinical trial registered as NCT07535112. This trial is recruiting 130 participants with advanced or metastatic colorectal adenocarcinoma that has a KRAS G12D mutation. The study is being conducted in multiple countries, including the United States, Australia, and several European nations.