MSI-H/dMMR locally advanced colorectal cancer
Conditions
Interventions
neoadjuvant treatment of Nivolumab
Sponsors
Ozawa Mayumi
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.The content of this study was fully explained, and written informed consent was obtained from the subject. 2.Histologically confirmed colorectal adenocarcinoma. 3.Radical resection is clinically possible without any distant metastases in imaging. 4.Patients with MSI-H or dMMR. 5.At least 18 years of age on the date of consent. 6.ECOG Performance Status is 0-1 7.No prior treatment for the tumor. 8.Cases with cT3-4N0M0 or T1-4N1-2M0 based on UICC 8th edition 9.Patients whose functions of the main organs are adequately maintained.
Exclusion criteria
Exclusion criteria: 1.Extensive surgery (excluding colostomy and central venous porting) within 4 weeks before starting protocol therapy. 2.Complications or history of severe lung disease (such as interstitial pneumonia, pulmonary fibrosis, or severe emphysema). 3.Colonic stent. 4.Contraindications for magnetic resonance imaging (MRI), such as cardiac pacemakers. 5.Serious comorbidities (such as heart failure, renal failure, liver failure, intestinal paralysis, intestinal obstruction, uncontrolled diabetes, and active inflammatory bowel disease). 6.Active multiple cancers (simultaneous or metachronous multiple cancers with a disease-free interval 5 years or over). However, carcinoma in situ or lesions equivalent to intramucosal carcinoma, which can be cured by local treatment, are not considered active multiple cancers. 7.Pregnant women, lactating women, positive pregnancy test, or unwillingness to use contraception. 8.Hepatitis B (HB) antigen positive or Hepatitis C virus (HCV) antibody positive. However, HCV-RNA-negative can be registered. 9.Positive for human immunodeficiency virus (HIV) infection. 10.Received live vaccine within 30 days prior to the start of study drug administration. 11.With complicated autoimmune disease or a history of chronic or recurrent autoimmune disease. 12.With administration of systemic corticosteroids (except for prophylactic administration for examination or allergic reactions or temporary use to reduce edema associated with radiation therapy) or immunosuppressive agents, or has received such treatment within 14 days prior to enrollment in this study. 13.With unhealed wounds, ulcers, or fractures. 14.Unwillingness or inability to comply with the clinical trial protocol. 15.Other patients that the principal investigator or co-investigator deems ineligible for this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| overall response rate | — |
Secondary
| Measure | Time frame |
|---|---|
| Pathological complete response (pCR) rate Clinical complete response (cCR) rate Clinical response (cCR and nCR) rate Radical resection rate Protocol treatment completion rate Distant free survival (DMFS) Overall survival (OS) Quality of life assessment (EORCQ-30 and short form 36 health survey questionnaire) Incidence of postoperative adverse events determined by Clavien-Dindo classification v2.0 Incidence of preoperative treatment-related adverse events determined by CTCAE ver5.0 | — |
Contacts
Public ContactSayoko Nakashima
Yokohama City University Medical Center
Outcome results
None listed