Lynch Syndrome Clinical Trial
Official title:
A Phase II Study of PD-1 Inhibition for the Prevention of Colon Adenomas in Patients With Lynch Syndrome and a History of Partial Colectomy
This phase II trial studies how well nivolumab works in preventing colon adenomas in participants with Lynch syndrome and a history of surgery to remove part of the colon. Monoclonal antibodies, such as nivolumab, may interfere with the ability of tumor cells to grow and spread.
PRIMARY OBJECTIVES:
I. To determine if maintenance therapy with nivolumab can decrease the incidence of colon
adenomas in a population of patients with genetic predisposition to colorectal cancer and a
history of hemicolectomy due to colon cancer or advanced colon adenoma.
SECONDARY OBJECTIVES:
I. To assess the safety of nivolumab maintenance therapy in this population. II. To obtain
preliminary data on the short-term incidence of advanced colon adenomas (measuring greater
than 10 mm or with high-grade dysplasia) and colon and non-colonic cancers in Lynch patients
treated with maintenance nivolumab.
EXPLORATORY OBJECTIVES:
I. To determine biomarkers of immunologic activity associated with biologic activity of
nivolumab in this population.
OUTLINE:
Participants receive nivolumab intravenously (IV) over 60 minutes on day 1. Treatment repeats
every 3 months for a total of 8 courses in the absence of disease progression or unacceptable
toxicity.
After completion of study treatment, participants are followed up at 3 months, every 6 months
for 1 year, then every 12 weeks thereafter.
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