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OncoMatch/Clinical Trials/NCT05236972

PACE: PD-1 Antibody For dMMR/MSI-H Stage III Colorectal Cancer

Is NCT05236972 recruiting? Yes, currently enrolling (Jun 2026). This Phase 3 trial studies multiple treatments including Sintilimab and Oxaliplatin for colorectal carcinoma.

Phase 3RecruitingSun Yat-sen UniversityNCT05236972Data as of Jun 2026Location: China

Treatment: Sintilimab · Oxaliplatin · capecitabineIn this open-label phase III study, patients with local advanced colon cancer (TanyN+ ,M0, dMMR/MSI-H, at least 10cm from the anus verge)will be scheduled to Group A: receive anti-PD-1 antibody alone (8 cycles, 200mg iv drip Q3W) and Group B (4 or 8 cycles of XELOX: oxaliplatin 130mg/m2 day 1, capecitabine 2000mg/m2 days 1-14, repeated every 21 days). The primary endpoint was 3 Disease-free survival; analyses were done based on all patients with post-randomization data.

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Extracted eligibility criteria

Treatments studied

Immunotherapy

Sintilimab

Chemotherapy

Oxaliplatincapecitabine

Cancer type

Colorectal Cancer

Biomarker criteria

Required: MLH1 loss (lack of staining)

lack of staining on either the pre-operative biopsy samples or resection specimens of at least one of the following proteins: MLH1 (mutL homolog 1), MSH2 (mutS homologue 2), MSH6 (mutS homolog 6), PMS2

Required: MSH2 loss (lack of staining)

lack of staining on either the pre-operative biopsy samples or resection specimens of at least one of the following proteins: MLH1 (mutL homolog 1), MSH2 (mutS homologue 2), MSH6 (mutS homolog 6), PMS2

Required: MSH6 loss (lack of staining)

lack of staining on either the pre-operative biopsy samples or resection specimens of at least one of the following proteins: MLH1 (mutL homolog 1), MSH2 (mutS homologue 2), MSH6 (mutS homolog 6), PMS2

Required: PMS2 loss (lack of staining)

lack of staining on either the pre-operative biopsy samples or resection specimens of at least one of the following proteins: MLH1 (mutL homolog 1), MSH2 (mutS homologue 2), MSH6 (mutS homolog 6), PMS2

Disease stage

Required: Stage III

Performance status

ECOG 0–1(Restricted strenuous activity)

Demographics

Ages ≤ 75

Prior therapy

Must have received: surgery — curative resection

Fully surgically resected tumour with clear resection margins (i.e., >1 mm)

Cannot have received: neoadjuvant systemic chemotherapy

Administration of neoadjuvant systemic chemotherapy or radiotherapy before surgical resection of colon cancer

Cannot have received: neoadjuvant radiotherapy

Administration of neoadjuvant systemic chemotherapy or radiotherapy before surgical resection of colon cancer

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

Frequently asked questions

Is NCT05236972 currently recruiting?

Yes, this trial is currently recruiting patients.

Are there prior therapy exclusions?

Yes. Prior neoadjuvant systemic chemotherapy, neoadjuvant radiotherapy disqualifies patients from enrollment.

Does this trial require MLH1?

Yes, MLH1 loss is a required biomarker for enrollment.

Does this trial require MSH2?

Yes, MSH2 loss is a required biomarker for enrollment.

Does this trial require MSH6?

Yes, MSH6 loss is a required biomarker for enrollment.

What disease stage is eligible?

Stage III is required.

Is there an age limit?

Yes. Patients must be 75 years or younger.

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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