PD-1 Antibody for The Prevention of Adenomatous Polyps and Second Primary Tumors in Lynch Syndrome Patients
PD-1 Antibody for the Prevention of Adenomatous Polyps and Second Primary Tumors in Patients With Lynch Syndrome: An Open-label, Multicenter, Randomized Controlled Clinical Trial
1 other identifier
interventional
260
1 country
1
Brief Summary
This study aims to explore the role of PD-1 Antibody in preventing adenomatous polyps and second primary tumors in patients with Lynch Syndrome. There two arms, one is the experimental arm (PD-1 antibody prevention group) and the other is the control arm (routine follow-up group). For the experimental group, Tripleitriumab (PD-1 antibody) is given every 3 months for a year.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Nov 2020
Longer than P75 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 1, 2020
CompletedFirst Submitted
Initial submission to the registry
January 13, 2021
CompletedFirst Posted
Study publicly available on registry
January 15, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 31, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2025
CompletedJanuary 20, 2021
January 1, 2021
3.2 years
January 13, 2021
January 18, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The percentage of patients from randomization to the first appearance of one of the following: adenomatous polyps or second primary tumors
up to 5 years
Secondary Outcomes (6)
The percentage of patients developing polyps greater than 1cm within 5 years from randomization
up to 5 years
The percentage of patients developing high-grade polyps on pathology within 5 years from randomization.
up to 5 years
Treatment-related adverse events
up to 5 years
Effectiveness with different genotypes or phenotypes
up to 5 years
Disease-free Survival
up to 5 years
- +1 more secondary outcomes
Study Arms (2)
Prevention group
EXPERIMENTALToripalimab: 240mg IV every 3 months for a year
Follow-up group
NO INTERVENTIONRoutine follow-up, no intervention
Interventions
Toripalimab: 240mg IV every 3 months for a year
Eligibility Criteria
You may qualify if:
- Lynch syndrome with germline variants of MLH1, MSH2, or EPCAM (pathogenic or likely pathogenic variants)
- Necessary treatments have been done, such as surgery, chemotherapy, radiation therapy, etc.
- Have a resection, including right hemicolectomy, left hemicolectomy, sigmoid colectomy, or anterior resection of rectal cancer, or endoscopic adenoma resection
- Aged 18-70 years old
- Eastern Cooperative Oncology Group (ECOG) performance score of 0 to 1
- White blood cell (WBC) \> 4000/mm3, Platelet count \>100000/mm3, HB \>10 g/dL
- Serum glutamic-oxaloacetic transaminase (SGOT) \< 1.5 × the upper limit of normal (ULN), Serum glutamic pyruvic transaminase (SGPT) \< 1.5 × ULN prior to randomization, Total bilirubin (TBIL) \< 1.5 mg/dL
- Serum creatinine (Scr) \<1.8 mg/dL
You may not qualify if:
- Lynch syndrome with germline variants of MSH6 and PMS2
- Previous immunotherapy has been taken, such as anti-PD-1, anti-PD-L1, etc.
- Long-term use of aspirin
- Suffering from autoimmune diseases
- Active infection with hepatitis B or hepatitis C (high copy number of viral DNA) or human immunodeficiency virus (HIV)
- Other clinically serious active infections (NCI-CTC 4.0)
- With cachexia or organ dysfunction
- Suffering from seizures requiring treatment (such as steroids or antiepileptic therapy)
- Unable to participate or complete the study due to substance abuse, or medical, psychological, or social disorder
- Known allergy to any drugs in this study
- Pregnant or nursing women, or women of childbearing potential who are not using adequate contraception
- Any unstable condition or situation that could compromise the safety and compliance of participants.
- Failure to sign an informed consent form
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Sun Yat-sen Universitylead
- Second Affiliated Hospital, School of Medicine, Zhejiang Universitycollaborator
- Fujian Cancer Hospitalcollaborator
- Guangdong Provincial People's Hospitalcollaborator
- Guangdong Provincial Hospital of Traditional Chinese Medicinecollaborator
- The Third Affiliated Hospital of Kunming Medical College.collaborator
Study Sites (1)
Sun Yat-sen University, Cancer Center
Guangzhou, Guangdong, 510060, China
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Peirong Ding, MD, Ph D
Sun Yat-sen University
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
January 13, 2021
First Posted
January 15, 2021
Study Start
November 1, 2020
Primary Completion
December 31, 2023
Study Completion
December 31, 2025
Last Updated
January 20, 2021
Record last verified: 2021-01