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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04636008
Other study ID # 201919
Secondary ID
Status Recruiting
Phase Phase 1/Phase 2
First received
Last updated
Start date August 14, 2020
Est. completion date November 2022

Study information

Verified date April 2022
Source West China Hospital
Contact Xiaofen Li, M.D.
Phone +86-28-85422589
Email lxf0827@163.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This prospective, single-arm study is conducted to investigate the safety and efficacy of Sintilimab combined with hypofractionated radiotherapy in patients with microsatellite instability-high (MSI-H)/ DNA mismatch repair-deficient (dMMR) non-metastatic rectal cancer.


Description:

The patients meet the inclusion criteria. After signing the informed consent, they are given radiotherapy 5Gyx5 and sintilimab 200mg ivgtt D1, D15, D29. Radical surgery is performed 6-8 weeks after radiotherapy.


Recruitment information / eligibility

Status Recruiting
Enrollment 20
Est. completion date November 2022
Est. primary completion date November 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Histologically confirmed rectal adenocarcinoma; 2. With DNA mismatch repair-deficient (dMMR) or microsatellite instability-high (MSI-H) status, whether or not being Lynch syndrome; 3. Not received any anti-rectal cancer treatment previously; for patients with Lynch syndrome, not received any anti-tumor therapy about rectal cancer diagnosed this time; 4. No distant metastasis except for lateral lymph nodes on thoracic and abdominal enhanced computed tomography (CT) scans; the distance between tumor's lower edge and anus within 15cm; clinical T stage =T2 on high-resolution pelvic magnetic resonance imaging (MRI); 5. Men and women =18 years of age; 6. Eastern Cooperative Oncology Group performance status score 0 or 1; 7. Adequate hematologic, hepatic, renal, thyroid and cardiac function: hemoglobin =90 g/L, neutrophils =1500/mm3, platelets =75,000/mm3; aspartate aminotransferase and alanine aminotransferase =3.0 × upper limit of normal (ULN), bilirubin =1.5 × ULN; creatinine =1.5 × ULN, creatinine clearance =50 mL/min; activated partial thromboplastin time, prothrombin time and international normalized ratio =1.5 × ULN; serum albumin =28 g/L;thyroid stimulating hormone and free thyroxine within ±10% of normal levels; no obvious abnormality in electrocardiogram; 8. Not received blood, blood products and hematopoietic growth factor (e.g. granulocyte colony-stimulating factor) within 2 weeks before inclusion; 9. Informed consent form signed; 10. Life expectancy of =3 months. Exclusion Criteria: 1. Allergic disease history, severe hypersensitivity to drugs, antibody products or Sintilimab; 2. Other malignancy history with disease free survival <5 years, except for curative in situ cervical cancer, curative skin basal cell carcinoma and curative gastrointestinal cancer by endoscopic mucoresection; 3. Current or past history of autoimmune diseases, including but not limited to: interstitial lung disease, uveitis, enteritis,active hepatitis (HBV DNA=103 copies/mL after regular antiviral therapy),nephritis, hyperthyroidism and hypothyroidism; 4. Immunosuppressant or corticosteroid (systemic or local) use to suppress immune function within 2 weeks before inclusion; 5. Severe infection needing intravenous antibiotics, antifungal agents or antiviral drugs, et al; 6. Congenital or acquired immunodeficiency such as HIV infection; active Hepatitis B (HBV DNA=103 copies/mL after regular antiviral therapy); 7. Having one of the following complications: massive gastrointestinal hemorrhage, gastrointestinal perforation or obstruction; symptomatic heart diseases including unstable angina, myocardial infarction and heart failure; uncontrollable diabetes mellitus or hypertension; uncontrollable diarrhea (interfering with daily activities although receiving adequate treatment); 8. Bleeding tendency or receiving thrombolytic or anticoagulant therapy; 9. Pregnant or breastfeeding female; male and female unwilling to take any contraceptive measures; 10. Psychiatric disorders that would interfere with cooperation with the requirements of the study; 11. Other conditions that investigators consider not suitable for this study.

Study Design


Intervention

Drug:
Sintilimab
Sintilimab+Hypofractionated radiotherapy
Radiation:
Hypofractionated Radiotherapy
Hypofractionated Radiotherapy

Locations

Country Name City State
China West China Hospital of Sichuan University Chengdu Sichuan

Sponsors (6)

Lead Sponsor Collaborator
West China Hospital Chengdu Third People's Hospital, First Affiliated Hospital of Chongqing Medical University, Sichuan Cancer Hospital and Research Institute, The Affiliated Hospital Of Southwest Medical University, Yunnan Cancer Hospital

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Adverse reaction Adverse reaction after receiving treatment of Sintilimab combined with hypofractionated radiotherapy and perioperative complications up to 10 weeks
Secondary Pathological response rate Pathological response rate after treatment 6-8 weeks after radiotherapy
Secondary Complete resection rate Complete resection rate after treatment 6-8 weeks after radiotherapy
Secondary Quality of life questionnaire Quality of life during treatment up to 10 weeks
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