Status:

RECRUITING

Registry Study in MSI/dMMR Solid Tumors

Lead Sponsor:

Peking University Cancer Hospital & Institute

Conditions:

DMMR Cancer

MSI-H

Eligibility:

All Genders

18+ years

Brief Summary

This study is a multi-center, non-interventional, prospective clinical observational study, aiming to evaluate the effectiveness and safety of subsequent treatment in dMMR/MSI solid tumor patients who...

Detailed Description

This study plans to enroll patients in the following four cohorts: * Cohort A: Initially only receiving PD1/PDL1 monotherapy; * Cohort B: Initially receiving simultaneous blockade of PD1/PDL1 and CTL...

Eligibility Criteria

Inclusion

  • Sign the informed consent form and voluntarily participate in this study;
  • Age ≥ 18 years old; age should also be ≤75 years old in Cohorts B, C, D;
  • Histologically or cytologically confirmed to have a solid malignant tumor and confirmed by immunohistochemistry to be dMMR or confirmed by PCR/NGS to be MSI;
  • The researcher determines that the patient can receive anti-tumor treatment;
  • Have evaluable lesions

Exclusion

  • Other malignant tumors within 5 years before joining the study, except for cured skin squamous cell carcinoma, basal cell carcinoma, non-muscle invasive bladder cancer, localized low-risk prostate cancer (defined as stage ≤T2a, Gleason score ≤6 points, and prostate cancer diagnosed with PSA ≤10 ng/mL (if measured). Patients who have received radical treatment and have no prostate specific antigen (PSA) biochemical recurrence can participate in this study), cervical/breast carcinoma in situ, and Lynch syndrome;
  • Evidence already exists that the patient is a pregnant or lactating woman;
  • Previous treatment with immune checkpoint inhibitors or T cell co-stimulatory drugs, including but not limited to PD1, CTLA4, LAG3, and other immune checkpoint blockers, therapeutic vaccines, etc.; patients exposed to ICIs in perioperative setting are allowed to be enrolled if disease relapse after more than 6 months since the last dose of ICIs;
  • Other situations deemed by the researcher to be unsuitable for inclusion in the study

Key Trial Info

Start Date :

October 7 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

February 1 2026

Estimated Enrollment :

190 Patients enrolled

Trial Details

Trial ID

NCT06004713

Start Date

October 7 2023

End Date

February 1 2026

Last Update

October 25 2023

Active Locations (10)

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Page 1 of 3 (10 locations)

1

Department of Gastrointestinal Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Peking University Cancer Hospital & Institute

Beijin, Beijing Municipality, China, 100142

2

Department of Gastroenterology and Hepatology, The Fourth Hospital of Hebei Medical University

Shijiazhuang, Hebei, China

3

Department of Oncology, The First Affiliated Hospital of Zhengzhou University

Zhengzhou, Henan, China

4

Medical Oncology Department of Gastrointestinal Cancer, Liaoning Cancer Hospital & Institute

Shengyang, Liaoning, China