Combining Pembrolizumab and Metformin in Metastatic Head and Neck Cancer Patients
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.
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
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
Conditions
Interventions
- Metformin Extended Release Oral Tablet Drug
- Pembrolizumab 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
- Aug 30, 2020
- Primary completion
- Feb 1, 2026
- Completion
- Sep 29, 2026
- Last update posted
- May 7, 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 7, 2026 · Synced May 10, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04414540 live on ClinicalTrials.gov.