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Completed Phase 1 Interventional Results available

Melanoma Checkpoint and Gut Microbiome Alteration With Microbiome Intervention

ClinicalTrials.gov ID: NCT03817125

Public ClinicalTrials.gov record NCT03817125. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 7, 2026, 9:02 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Multicenter Phase 1b Randomized, Placebo-controlled, Blinded Study to Evaluate the Safety, Tolerability and Efficacy of Microbiome Study Intervention Administration in Combination With Anti-PD-1 Therapy in Adult Patients With Unresectable or Metastatic Melanoma

Study identification

NCT ID
NCT03817125
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Parker Institute for Cancer Immunotherapy
Other
Enrollment
14 participants

Conditions and interventions

Interventions

  • Matching Placebo for SER-401 Drug
  • Nivolumab Drug
  • Placebo for antibiotic Drug
  • SER-401 Drug
  • Vancomycin pretreatment Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 27, 2019
Primary completion
Mar 3, 2022
Completion
Mar 3, 2022
Last update posted
Jun 5, 2024

2019 – 2022

United States locations

U.S. sites
7
U.S. states
6
U.S. cities
6
Facility City State ZIP Site status
The Angeles Clinic and Research Institute Los Angeles California 90025
Massachusetts General Hospital Boston Massachusetts 02114
Dana-Farber Cancer Institute Boston Massachusetts 02215
Rutgers Cancer Institute of New Jersey New Brunswick New Jersey 08903
Memorial Sloan Kettering Cancer Center New York New York 10065
MD Anderson Cancer Center Houston Texas 77030
Huntsman Cancer Institute Salt Lake City Utah 84112

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03817125, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 5, 2024 · Synced May 7, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03817125 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →