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Clinical Trial Summary

This study is designed to evaluate the safety and tolerability of treatment with oral microbiome study intervention (SER-401) or matching placebo in combination with anti-programmed cell death 1 (anti-PD-1) therapy (nivolumab) in participants with unresectable or metastatic melanoma. The study also intends to assess clinical outcomes, the impact of microbiome study intervention administration on the microbiome profile, and its association with clinical and immunological outcomes.


Clinical Trial Description

This is a Phase 1b, multicenter, randomized, placebo-controlled, blinded study in adult participants with anti-PD-1 therapy naïve, unresectable or metastatic melanoma to evaluate the safety and tolerability of SER-401, or matching placebo in combination with anti-PD-1 therapy (nivolumab). Prior to initiating microbiome study intervention and nivolumab, participants will undergo an antibiotic or antibiotic placebo treatment lead-in to prime the gut microbiome for engraftment of the oral microbiome study intervention. Study intervention groups will be assessed for safety, changes in the microbiome, changes in the percentage of tumoral CD8 T cells, and antitumor activity. Participants must have measurable disease that can be biopsied and consent to baseline and on-treatment biopsies, as well as stool and blood biomarker collection throughout the study. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03817125
Study type Interventional
Source Parker Institute for Cancer Immunotherapy
Contact
Status Completed
Phase Phase 1
Start date January 28, 2019
Completion date March 4, 2022

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