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TerminatedPhase 1

ZN-c3 in Adult Participants With Metastatic Colorectal Cancer

Reason given: Study terminated due to change in therapeutic landscape.

Key facts

Where
Barcelona, Córdoba, Madrid, and Valencia, SpainSee the 6 sites
Phase
Phase 1

Where in Spain

  • Hospital Universitari Vall d'HebronBarcelona, SpainNo longer taking part
  • Parc de Salut Mar - Hospital del MarBarcelona, SpainNo longer taking part
  • Hospital Universitario Reina SofiaCórdoba, SpainNo longer taking part
  • Hospital Universitario La PazMadrid, SpainNo longer taking part
  • Hospital Universitario Puerta de Hierro - MajadahondaMadrid, SpainNo longer taking part
  • Fundación Instituto Valenciano de OncologíaValencia, SpainNo longer taking part

Trial details

Who runs it
K-Group, Beta, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc
Trial code
NCT05743036
Record updated
8 August 2025
Original description
The purpose of this study is to evaluate the safety, tolerability, and potential clinical benefits of ZN-c3 administered in combination with encorafenib and cetuximab in adult participants with metastatic BRAF V600E mutant colorectal cancer previously treated with one or two treatment regimens.Read full original descriptionShow less

A Phase 1/2, Open-Label, Multi-Center Study of ZN-c3 Administered in Combination With Encorafenib and Cetuximab in Adults With Metastatic Colorectal Cancer

The purpose of this study is to evaluate the safety, tolerability, and potential clinical benefits of ZN-c3 administered in combination with encorafenib and cetuximab in adult participants with metastatic BRAF V600E mutant colorectal cancer previously treated with one or two treatment regimens.

Inclusion: Histologically or cytologically confirmed metastatic Stage IV colorectal adenocarcinoma; Documented evidence of a BRAF V600E mutation in tumor tissue or blood; Presence of measurable disease per RECIST version 1.1 guidelines; Disease progression after 1 or 2 previous systemic regimens for metastatic disease; Adequate bone marrow function; Adequate hepatic and renal function.

Exclusion: Unable to swallow, retain, and absorb oral medications; Evidence of active and uncontrolled bacterial or viral infection, within 2 weeks prior to start of any of the study interventions; Has had an allogeneic tissue/solid organ transplant; Documented clinical disease progression or radiographic disease progression during the screening period; Leptomeningeal disease; Clinically significant cardiovascular diseases; Evidence of active noninfectious pneumonitis; Participants with known positivity for HIV; Active hepatitis B or hepatitis C infection; Concurrent or previous other malignancy within 2 years of study entry; Pregnant or females of childbearing potential who have a positive β-hCG laboratory test result within 14 days prior to enrollment or is breastfeeding; Symptomatic brain metastasis; Presence of acute or chronic pancreatitis.

ClinicalTrials.gov NCT05743036