Actively Recruiting

Phase 2
Age: 18Years - 75Years
All Genders
NCT05585814

CapeOX Combined With Bevacizumab Plus Anti-PD1 Antibody as Neoadjuvant Therapy for Microsatellite Stable Locally Advanced Rectal Cancer

Led by Shanghai Changzheng Hospital · Updated on 2025-03-14

30

Participants Needed

1

Research Sites

261 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This prospective, single-arm study aims to investigate the efficacy and safety of pembrolizumab plus bevacizumab and chemotherapy as neoadjuvant treatment in pMMR/MSS locally advanced rectal cancer patients

CONDITIONS

Official Title

CapeOX Combined With Bevacizumab Plus Anti-PD1 Antibody as Neoadjuvant Therapy for Microsatellite Stable Locally Advanced Rectal Cancer

Who Can Participate

Age: 18Years - 75Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Histologically confirmed rectal adenocarcinoma with clinical stage cT3+N+M0
  • Confirmed pMMR/MSS status by immunohistochemistry and/or genetic testing
  • Newly diagnosed or recurrent patients accepted; recurrent patients must not have had chemotherapy, targeted therapy, or immunotherapy within 1 month, or radiotherapy within 1 year
  • Measurable disease per RECIST 1.1 and no prior local treatment
  • Eastern Cooperative Oncology Group (ECOG) performance status 0-1
  • No distant metastasis confirmed by CT, MRI or PET/CT
  • Adequate blood counts and organ function based on specified lab tests within 7 days before first dose
  • Negative serum pregnancy test for women of childbearing age and agreement to use effective contraception during and 60 days after treatment
  • Life expectancy greater than 3 months
  • Signed informed consent
Not Eligible

You will not qualify if you...

  • Prior treatment with anti-PD1, anti-PDL1, anti-PDL2, or anti-CTLA4 antibodies
  • Uncontrolled active bleeding from the tumor or intestinal obstruction
  • Contraindications to bevacizumab
  • Allergic reaction to monoclonal antibodies
  • Active or suspected autoimmune disease
  • Moderate or greater uncontrolled pleural, pericardial effusion, or ascites
  • History of lung diseases such as idiopathic pulmonary fibrosis or pneumonia or active pneumonia on CT
  • Major surgery within 4 weeks prior to enrollment without full recovery
  • Active bleeding, abnormal coagulation, bleeding tendency, or use of anticoagulants/thrombolytics
  • Previous allogeneic stem cell or organ transplantation
  • Significant clinical or lab abnormalities affecting safety including infections, diabetes, heart diseases, kidney disease, neuropathy, or other malignancies
  • Uncorrected electrolyte disorders
  • HIV infection
  • Active hepatitis B or C
  • Pregnancy, breastfeeding, or unwillingness to use contraception
  • Other malignancies within 5 years except certain skin and cervical cancers
  • Use of corticosteroids over 10mg/day prednisone equivalent or immunosuppressants within 14 days before enrollment
  • Active tuberculosis or recent anti-TB treatment within 1 year
  • Active infection or recent antibiotic treatment within 2 weeks prior to therapy except prophylaxis
  • Vaccination with anti-infective vaccines within 4 weeks before therapy
  • Participation in other clinical trials within 4 weeks prior to therapy
  • Any other illness or condition that may increase risk or affect study results or patient compliance

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

Shanghai Changzheng Hospital

Shanghai, China

Actively Recruiting

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Research Team

H

Haiyang Zhou, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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