Actively Recruiting

Phase 3
Age: 18Years - 75Years
All Genders
NCT06497985

A Study of Tucidinostat in Combination With Sintilimab and Bevacizumab in MSS/pMMR Colorectal Cancer Patients

Led by Chipscreen Biosciences, Ltd. · Updated on 2026-03-19

430

Participants Needed

1

Research Sites

199 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

A randomised, open-label, multicenter phase III study to evaluate the efficacy and safety of tucidinostat in combination with sintilimab and bevacizumab versus fruquintinib monotherapy in MSS/pMMR colorectal cancer patients.

CONDITIONS

Official Title

A Study of Tucidinostat in Combination With Sintilimab and Bevacizumab in MSS/pMMR Colorectal Cancer Patients

Who Can Participate

Age: 18Years - 75Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Provide written informed consent for the study.
  • Age 18 years and older up to 75 years.
  • Histologically or cytologically confirmed unresectable and metastatic colorectal adenocarcinoma.
  • Previously treated with fluoropyrimidine, irinotecan, and oxaliplatin, with or without anti-VEGF or anti-EGFR monoclonal antibodies, showing disease progression or intolerance.
  • Confirmed microsatellite stable (MSS), microsatellite instability-low (MSI-L), or proficient mismatch repair (pMMR) status.
  • KRAS status previously determined.
  • Measurable disease according to RECIST v1.1.
  • Eastern Cooperative Oncology Group performance status (ECOG PS) of 0 or 1.
  • Adequate organ function.
  • Expected survival greater than 12 weeks.
Not Eligible

You will not qualify if you...

  • Prior use of HDAC inhibitors.
  • Prior therapies targeting PD-1, PD-L1, CTLA4, or other immune checkpoint pathways.
  • Prior use of small-molecule tyrosine kinase inhibitors of VEGF receptors.
  • Anti-tumor therapy, investigational agents, or devices received within 28 days before starting study treatment.
  • Radiotherapy within 28 days before starting study treatment.
  • Planned combination of tucidinostat with PD-1 inhibitor and bevacizumab after study treatment if assigned to control group.
  • History of autoimmune diseases requiring systemic treatment within 2 years before starting study treatment.
  • Known primary immunodeficiency.
  • Systemic immunosuppressive or immunostimulatory drugs within 28 days before starting study treatment.
  • Major surgery within 28 days before starting study treatment.
  • Live vaccine received within 28 days before or planned during the study.
  • Not recovered from prior anti-cancer therapy adverse events (grade greater than 1).
  • Uncontrolled diabetes within 7 days before starting study treatment.
  • Symptomatic and untreated central nervous system metastases.
  • Uncontrollable or major cardiovascular disease.
  • Cerebrovascular accident within 6 months before starting study treatment.
  • Serious thromboembolism within 6 months before starting study treatment.
  • Gastrointestinal perforation or fistula within 6 months before starting study treatment.
  • Gastrointestinal abnormalities affecting drug intake or absorption.
  • History of bleeding disorders or coagulopathy.
  • Use of anticoagulants or thrombolytic agents during screening.
  • Uncontrolled pleural, abdominal, or pericardial effusion drained within 14 days before starting study treatment.
  • Suspected interstitial lung disease, pulmonary fibrosis, or pulmonary inflammation requiring treatment.
  • Severe or active infection requiring systemic therapy.
  • Active pulmonary tuberculosis.
  • Active hepatitis B or C.
  • HIV positive or syphilis infection.
  • History of malignant tumors.
  • History of allogeneic organ or hematopoietic stem cell transplantation.
  • Hypersensitivity to study drugs or their components.
  • History of alcohol or drug abuse.
  • Unwilling or unable to comply with study procedures.
  • Pregnant or breastfeeding women, or unwilling/unable to use effective birth control.
  • Any condition deemed unsuitable for trial participation by the investigator.

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Rui-Hua Xu

Guangzhou, Guangdong, China, 510050

Actively Recruiting

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Research Team

X

Xinhao Wang

CONTACT

R

Rui-Hua Xu

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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