Status:

RECRUITING

Safety and Efficacy of PD-1 ± mFOLFOX6 Neoadjuvant Therapy in Local Advanced sMPCC

Lead Sponsor:

Sixth Affiliated Hospital, Sun Yat-sen University

Conditions:

Multiple Cancer

Colorectal Cancer

Eligibility:

All Genders

18-80 years

Phase:

PHASE2

Brief Summary

At present, radical resection ± preoperative neoadjuvant chemotherapy for colorectal cancer is still the standard comprehensive treatment. In recent years, immunotherapy of PD-1 monoclonal antibody ha...

Detailed Description

Colorectal cancer is one of the most common malignant tumors in the world. At present, radical resection ± preoperative neoadjuvant chemotherapy for colorectal cancer is still the standard comprehensi...

Eligibility Criteria

Inclusion

  • Histological confirmation of simultaneous multiple primary colorectal cancer (sMPCC);
  • Tumor biopsy immunohistochemistry of at least one tumor lesion identified dMMR, including the expression loss of one or more of the four proteins MSH1, MSH2, MSH6 and PMS2; or at least one tumor lesion identified MSI-H by polymerase chain reaction or next-generation sequencing technique;
  • Clinical staging T3-4NxM0, with or without positive MRF, with or without positive EMVI;
  • Staging method: all patients undergo chest,abdominal and pelvic enhanced CT, rectal palpation, high resolution MRI examination,positive perienteric lymph node(LN): short diameter ≥10mm LN or LN with typical metastatic shape and MRI character, clinical data should be re-evaluated and judged by center evaluation group when there are contradictory stagings,distant metastasis were excluded by chest and abdominal enhanced CT and pelvic enhanced MRI;
  • No intestinal obstruction symptom,or obstruction relieved after proximal colostomy;
  • No colorectal surgery history;
  • No chemotherapy or radiotherapy history;
  • No biopharmaceutical treatment history(such as monoclonal antibody), immunotherapy(such as anti PD-1antibody, anti PD-L1 antibody, anti PD-L2 antibody or anti CTLA-4), or other research drug treatment;
  • No endocrinotherapy history restriction;
  • informed consent assigned.

Exclusion

  • Arrhythmia need anti-arrhythmia treatment(except β-blocking agent or Digoxin), symptomatic coronary heart disease or myocardial ischemia(myocardial infarction within 6 months) or congestive heart-failure (CHF) \> NYHA grade II;
  • Severe hypertension not well controlled by drugs;
  • HIV infection history or active phase of chronic Hepatitis B or C(high copies of virus DNA);
  • Active tuberculosis(TB), accepting anti-TB treatment or anti-TB treatment within 1 year before trial screen;
  • Other active clinical severe infection(NCI-CTC AE V5.0);
  • Outside pelvic distant metastasis evidences;
  • Dyscrasia, organ dysfunction;
  • Pelvic or abdominal radiotherapy history;
  • Epilepsy need treatments(Steroid or anti-epilepsy therapy);
  • Other malignant tumor history within 5 years;
  • Over abuse of drugs, medical and psychological or social conditions that might interfere patients or evaluation of the study results;
  • Any active autoimmune disease or autoimmune disease history (including but not restricted: interstitial pneumonia, uveitis, enteritis, hepatitis, hypophysitis, nephritis, hyperthyroidism, hypothyroidism, asthma need bronchodilators);
  • Any anti-infection vaccine injection 4 weeks before inclusion;
  • Long-term exposure to immune-suppressor, combination of systemic or topical use of corticosteroids (dose\>10mg/day prednisolone or equivalent hormone);
  • Known or suspicious allergy to any study related drugs;
  • Any unstable state might cause damage to the safety and compliance of patients;
  • Pregnant or breast feeding women who has ability to have children while without contraception;
  • Refuse to sign informed consent.

Key Trial Info

Start Date :

May 1 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2028

Estimated Enrollment :

17 Patients enrolled

Trial Details

Trial ID

NCT06002789

Start Date

May 1 2022

End Date

December 1 2028

Last Update

January 22 2025

Active Locations (1)

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1

The Sixth Affiliated Hospital, Sun Yatsen University

Guangzhou, Guangdong, China