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Active, not recruiting Phase 2 Interventional Results available

Combining Pembrolizumab and Metformin in Metastatic Head and Neck Cancer Patients

ClinicalTrials.gov ID: NCT04414540

Public ClinicalTrials.gov record NCT04414540. 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 Oct 21, 2026, 8:25 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 Phase 2 Feasibility Study Combining Pembrolizumab and Metformin to Harness the Natural Killer Cytotoxic Response in Metastatic Head and Neck Cancer Patients

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to determine anti-tumor activity by measuring overall response rate in recurrent and/or metastatic HNSCC patients receiving the combination of metformin and pembrolizumab.

Study identification

NCT ID
NCT04414540
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
Trisha Wise-Draper
Other
Enrollment
21 participants

Conditions and interventions

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
Aug 31, 2020 (Actual)
Primary completion
Feb 2, 2026 (Actual)
Completion
Sep 30, 2026 (Estimated)
Last update posted
May 8, 2026

2020 – 2026

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Cincinnati Medical Center Cincinnati Ohio 45219 —

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 NCT04414540, 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 May 8, 2026 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04414540 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →