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Clinical study on the safety and efficacy of sintilimab combined with chemotherapy in neoadjuvant treatment of locally advanced rectal cancer

Clinical study on the safety and efficacy of sintilimab combined with chemotherapy in neoadjuvant treatment of locally advanced rectal cancer

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500114358
Enrollment
Unknown
Registered
2025-12-10
Start date
2025-08-10
Completion date
Unknown
Last updated
2025-12-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pathologically confirmed rectal adenocarcinoma (non-specific and specific types, including mucinous adenocarcinoma, signet ring cell carcinoma, serrated adenocarcinoma, micropapillary carcinoma, medullary carcinoma, and cribriform comedo adenocarcinoma)

Interventions

Sponsors

The First Affiliated Hospital of Anhui Medical University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Pathologically confirmed rectal adenocarcinoma (non-specific and specific types, including mucinous adenocarcinoma, signet ring cell carcinoma, serrated adenocarcinoma, micropapillary carcinoma, medullary carcinoma, and cribriform comedo adenocarcinoma); patients with resectable rectal cancer whose preoperative imaging stage is T3 stage and/or N+ or T4 stage patients, reassessment of resectability must be performed after neoadjuvant therapy. 2.Age >= 18 years, gender not limited, ECOG score 0-2 points; 3.Physical condition and organ function permitting to undergo major abdominal surgery; 4.The researchers agreed to use blood, stool, and pathological sections during the study. 5.Major organ functions must meet the following requirements (laboratory test values ??must meet the following standards within 7 days prior to enrollment): Complete blood count (no blood transfusion, no use of granulocyte colony-stimulating factor, and no use of corrective drugs within 14 days prior to screening): a) Neutrophils >= 1.5 × 10?/L; b) Platelets >= 75 × 10?/L; c) Hemoglobin >= 90 g/L; Biochemical tests (no albumin transfusion within 14 days prior to screening): a) Serum creatinine 50 mL/min; b) Serum total bilirubin <= 1.5 × ULN; c) Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) <= 2.5 × ULN; Coagulation function: International normalized ratio (INR) <= 2.3 or prothrombin time (PT) exceeding the normal control range by <= 6 seconds. 6.Recruited patients regardless of their programmed death-ligand 1 (PD-L1) expression levels.

Exclusion criteria

Exclusion criteria: 1.The tumor has distant metastases or peritoneal metastases confirmed by laparoscopy. 2.Patients with other severe immunosuppressive diseases or other malignant tumors; 3.Are there any conditions that affect capecitabine absorption in the intestine?; 4.Severe, uncontrolled recurrent infections, or other severe, uncontrolled comorbidities; severe mental illness; severe respiratory illness; severe hepatic or renal insufficiency; history of unstable angina or myocardial infarction within the past 6 months; history of cerebral infarction or cerebral hemorrhage within the past 6 months; continuous use of glucocorticoids (excluding topical application) within the past month. 5.Researchers determined that the patient had other comorbidities that could endanger patient safety or potentially affect the completion of the study. 6.Currently or previously received any other investigational medication or immunotherapy; 7.Suffering from malignant tumors in other parts of the body within five years; 8.The patient is a pregnant or breastfeeding woman.

Design outcomes

Primary

MeasureTime frame
Pathological complete response rate;

Secondary

MeasureTime frame
Disease control rate;Complete surgical resection rate;Objective response rate;Clinical decline rate (T and /or N decline);Major Pathological Response;

Countries

China

Contacts

Public ContactLi Yongxiang

The First Affiliated Hospital of Anhui Medical University

1874010558@qq.com+86 551 6292 3890

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026