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SCRT VS LCRT Followed by PD-L1 Inhibitor Plus CAPEOX as TNT in Patients With LARC

NCT07284992 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 208

Last updated 2025-12-16

No results posted yet for this study

Summary

This is a multicenter, cohort, prospective study to evaluate the efficacy and safety of Adebrelimab combined with radiotherapy and chemotherapy as preoperative neoadjuvant therapy for patients with locally advanced rectal cancer. In the study, all subjects who meet the inclusion criteria will enter the short-term radiotherapy queue and the long-term radiotherapy queue at the ratio of 1:1. The short-term radiotherapy queue plans to receive Adebrelimab combined with short-term radiotherapy (5\*5Gy) and Capox chemotherapy as neoadjuvant therapy. The long-term radiotherapy queue plans to receive Adebrelimab combined with long-term radiotherapy (1.8gy × 25-28 times) and capox chemotherapy as neoadjuvant therapy. The TME surgery will be performed 2-3 weeks after the last neoadjuvant therapy is completed. If the surgery cannot be performed within the time window specified in the plan (such as delayed adverse reactions, etc.), the researcher will conduct the surgery according to the patients' requirements.The actual clinical conditions of the subjects were comprehensively considered.

Conditions

Interventions

COMBINATION_PRODUCT

short-term radiotherapy combined with Adebrelimab and capox

Radiotherapy protocol: 5 × 5Gy short-term radiotherapy (D1-5 in the first week) Immunotherapy regimen: Adebrelimab 1200 mg or 20 mg/kg, IV., administered on the first day of each chemotherapy cycle. Chemotherapy regimen: capox regimen: Oxaliplatin 130 mg/m2 IV D1 Capecitabine 1000 mg/m2 Po bid D1 ～ 14 Repeat every 3 weeks for 6 cycles The curative effect was evaluated 2-3 weeks after the completion of 6 cycles of chemotherapy. According to whether the CCR (clinical complete remission) was achieved, TME surgery was required if the CCR was not achieved; If CCR is achieved, TME operation can be performed according to the wishes of the patients. Local resection or observation through anal surgery requires close follow-up to explore the effectiveness and safety of the scheme.

COMBINATION_PRODUCT

long-term radiotherapy combined with Adebrelimab and capox

Radiotherapy regimen: long-term radiotherapy 1.8 × 25-28Gy, oral capecitabine in the same period: the standard dose is 825mg/m2, twice a day \[total dose 1650mg/(M2 · d)\], oral radiotherapy day, 5 days a week. Immunotherapy regimen: Adebrelimab 1200 mg or 20 mg/kg, IV., administered on the first day of each chemotherapy cycle. Chemotherapy regimen: capox regimen: Oxaliplatin 130 mg/m2 IV D1 Capecitabine 1000 mg/m2 Po bid D1 ～ 14 Repeat every 3 weeks for 6 cycles The curative effect was evaluated 2-3 weeks after the completion of 6 cycles of chemotherapy. According to whether the CCR (clinical complete remission) was achieved, TME surgery was required if the CCR was not achieved; If CCR is achieved, TME operation can be performed according to the wishes of the patients. Local resection or observation through anal surgery requires close follow-up to explore the effectiveness and safety of the scheme.

Sponsors & Collaborators

  • Shandong Provincial Hospital

    lead OTHER_GOV

Principal Investigators

  • Changqing Jing, Professor · Shandong Provincial Hospital

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

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

Timeline & Regulatory

Start
2025-09-12
Primary Completion
2028-11-30
Completion
2033-06-30

Countries

  • China

Study Locations

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Entities

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 NCT07284992 on ClinicalTrials.gov