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NCT06324357PHASE1, PHASE2RECRUITING

Beamion BCGC-1: A Study to Find a Suitable Dose of Zongertinib Used Alone and in Combination With Other Treatments to Test Whether it Helps People With Different Types of HER2+ Cancer That Has Spread

Beamion BCGC-1: A Phase Ib Dose Escalation and Phase II Dose Optimization, Randomized, Open-label, Multicenter Trial of Oral Zongertinib (BI 1810631) Alone or in Combination With Other Agents for the Treatment of Patients With Advanced HER2+ Metastatic Breast Cancer (mBC), Metastatic Gastric, Gastroesophageal Junction, or Esophageal Adenocarcinoma (mGEAC), or Metastatic Colorectal Cancer (mCRC)

Sponsor: Boehringer Ingelheim

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Key Facts

Study type
INTERVENTIONAL
Conditions
Metastatic Breast Cancer, Metastatic Gastric Adenocarcinoma, Gastroesophageal Junction Adenocarcinoma, Esophageal Adenocarcinoma, Colorectal Cancer
Interventions
Zongertinib, Trastuzumab deruxtecan, Trastuzumab emtansine, Trastuzumab
Enrollment
768 participants
Primary completion
Jan 2029
Study completion
Jan 2029
First posted
Mar 2024
Last updated
May 2026

Primary Endpoints (CT.gov)

Dose escalation (Phase Ib): Occurrence of dose-limiting toxicities (DLTs) in the maximum tolerated dose (MTD) evaluation period

Time frame: up to 21 days

Dose optimization and justification (Phase II): Objective response (OR)

Time frame: up to 50 months

Secondary Endpoints

Dose escalation (Phase Ib): Objective response (OR)

Dose escalation (Phase Ib): Occurrence of dose-limiting toxicities (DLTs) during the entire treatment period

Dose escalation (Phase Ib): Maximum measured concentration of zongertinib (at steady state) (Cmax,(ss))

Eligibility Criteria

Inclusion criteria: * Patients ≥18 years of age or over the legal age of consent in countries where that is greater than 18 years at the time of signature of the informed consent form (ICF) * Cohorts A to K and Cohort O: Documented Human epidermal growth factor receptor 2 overexpressing and/or amplified (HER2+), metastatic breast cancer (mBC) or metastatic gastric adenocarcinoma, gastroesophageal junction adenocarcinoma, or esophageal adenocarcinoma (mGEAC). * Cohorts L (L-ext), M, and N (metastatic colorectal cancer (mCRC)): Documented Human epidermal growth factor receptor 2 (HER2) overexpression/amplification according to American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) gastric cancer guidelines and according to the result of local testing. * For dose optimization and justification (Phase II): Patient must provide tumor tissue from locations not radiated prior to biopsy, if possible, collected through archival tissue * History of prior treatment lin

Read full criteria on CT.gov →

✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov