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OncoMatch/Clinical Trials/NCT06266832

The Efficacy and Safety of Short-course Radiation Combined With Adebrelimab and CAPEOX Neo-adjuvant Therapy for Organ-retention in Patients With MSS/pMMR Ultra Low Rectal Adenocarcinoma

Is NCT06266832 recruiting? Yes, currently enrolling (Jun 2026). This Phase 2 trial studies multiple treatments including Adebrelimab and Oxaliplatin for rectal adenocarcinoma.

Phase 2RecruitingSir Run Run Shaw HospitalNCT06266832Data as of Jun 2026Location: China

Treatment: Adebrelimab · Oxaliplatin · CapecitabineTo evaluate the efficacy, safety and organ retention rate of short-course radiation combined with Adebrelimab and CAPEOX neoadjuvant therapy in patients with MSS/pMMR ultra low rectal adenocarcinoma.

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Extracted eligibility criteria

Treatments studied

Immunotherapy

Adebrelimab

Chemotherapy

OxaliplatinCapecitabine

Cancer type

Colorectal Cancer

Biomarker criteria

Required: Mismatch-repair proficient (pMMR / MSS)

MMR protein detection or MSI gene detection of rectal cancer specimens confirmed pMMR or MSS before treatment

Disease stage

Required: Stage I, II, III

Excluded: Stage IV

Performance status

ECOG 0–1(Restricted strenuous activity)

Prior therapy

No prior treatment (treatment-naive required)
Max 0 prior lines

Lab requirements

Blood counts

White blood cell count >3.5×10^9/L, absolute value of neutrophils >1.8×10^9/L, platelet count ≥75×10^9/L, hemoglobin ≥100g/L

Kidney function

24h creatinine clearance >50mL/min or serum creatinine <1.5 times the upper limit of normal

Liver function

Total bilirubin ≤ 1.25 times the upper limit of normal; ALT and AST < 5 times the upper limit of normal

Laboratory inspections must meet the following standards: White blood cell count >3.5×10^9/L, absolute value of neutrophils >1.8×10^9/L, platelet count ≥75×10^9/L, hemoglobin ≥100g/L; INR≤1.5, and APTT≤1.5 times the upper limit of normal or partial prothrombin time (PT) ≤1.5 times the upper limit of normal; Total bilirubin ≤ 1.25 times the upper limit of normal; ALT and AST < 5 times the upper limit of normal; 24h creatinine clearance >50mL/min or serum creatinine <1.5 times the upper limit of normal.

Structured fields extracted by AI. May contain errors — verify against the official protocol.

Frequently asked questions

Is NCT06266832 currently recruiting?

Yes, this trial is currently recruiting patients.

Can patients have received prior systemic therapy?

No. This trial requires treatment-naive patients — prior systemic therapy is an exclusion criterion.

Does this trial require MSH2?

Yes, MSH2 proficient MMR is a required biomarker for enrollment.

Does this trial require MSH6?

Yes, MSH6 proficient MMR is a required biomarker for enrollment.

Does this trial require MLH1?

Yes, MLH1 proficient MMR is a required biomarker for enrollment.

What disease stage is eligible?

Stage I or II or III is required.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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