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Neoadjuvant Treatment With mFOLFOXIRI Plus Cadonilimab (AK104) Versus mFOLFOX6 in Locally Advanced Colorectal Cancer

NCT05571644 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 143

Last updated 2025-07-23

No results posted yet for this study

Summary

Neoadjuvant chemoradiotherapy (CRT) followed by total mesenteric excision (TME) and adjuvant chemotherapy was the standard of treatment for locally advanced rectal cancer (LARC) in the past two decades. The main obstacles for improving survival benefit of LARC was distant metastasis. Recently, total neoadjuvant therapy (TNT) had been recommended as new preferred option for LARC. Induction chemotherapy with FOLFOXIRI followed by CRT or short-course radiotherapy followed by FOLFOX chemotherapy had improved survival benefit for LARC.

Neoadjuvant immunotherapy had also been explored in pMMR patients with CRC. In the NICHE trial, neoadjuvant therapy with 2 dose of nivolumab and 1 dose of ipilimumab led to 29% of pathological response and 13% of pCR. Cadonilimab (AK104) was a PD-1/CTLA-4 bi-specific antibody. Here, we tried to explore the efficacy of Neoadjuvant Treatment With mFOLFOXIRI with or without Cadonilimab (AK104) Versus mFOLFOX6 in LARC.

Conditions

Interventions

DRUG

mFOLFOXIRI + Cadonilimab

Cadonilimab（AK104）6mg/kg, intravenous d for 60 minutes, followed by mFOLFOXIRI (oxaliplatin 85 mg/m2, irinotecan 150 mg/m2, and folinic acid 400 mg/m2 followed by 5-fluorouracil 2400mg/m2 as a 46-hour continuous infusion on day 1) every 2 weeks for 6 cycles before surgery

DRUG

mFOLFOX6

mFOLFOX6 (oxaliplatin 85 mg/m2, and folinic acid 400 mg/m2 followed by bolus 5-fluorouracil 400 mg/m2 and 5-fluorouracil 2400mg/m2 as a 46-hour continuous infusion on day 1) every 2 weeks for 6 cycels before surgery

DRUG

mFOLFOXIRI

mFOLFOXIRI (oxaliplatin 85 mg/m2, irinotecan 150 mg/m2, and folinic acid 400 mg/m2 followed by 5-fluorouracil 2400mg/m2 as a 46-hour continuous infusion on day 1) every 2 weeks for 6 cycles before surgery

DRUG

mFOLFOXIRI+AK104+fruquintinib

Cadonilimab（AK104）6mg/kg, intravenous d for 60 minutes, followed by mFOLFOXIRI (oxaliplatin 85 mg/m2, irinotecan 150 mg/m2, and folinic acid 400 mg/m2 followed by 5-fluorouracil 2400mg/m2 as a 46-hour continuous infusion on day 1) every 2 weeks for 6 cycles, and fruquintinib (3mg Qd, D1-21, Q4W for 3 months) before surgery

Sponsors & Collaborators

  • Sun Yat-sen University

    lead OTHER

Principal Investigators

  • Yanhong Deng, Ph.D · Sixth Affiliated Hospital, Sun Yat-sen University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-07-10
Primary Completion
2025-12-31
Completion
2027-08-15

Countries

  • China

Study Locations

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Entities

Drugs
Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05571644 on ClinicalTrials.gov