Safety and Therapeutic Potential of the FDA-approved Drug Metformin for C9orf72 ALS/FTD
Public ClinicalTrials.gov record NCT04220021. 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 Single-Center, Open Label Study to Assess the Safety and Tolerability of Metformin in Subjects With C9orf72 Amyotrophic Lateral Sclerosis Over 24 Weeks of Treatment
Study identification
- NCT ID
- NCT04220021
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- University of Florida
- Other
- Enrollment
- 41 participants
Conditions and interventions
Interventions
- Metformin Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 9, 2020
- Primary completion
- Aug 25, 2024
- Completion
- Jun 29, 2026
- Last update posted
- Dec 1, 2025
2020 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UF Health at the University of Florida | Gainesville | Florida | 32610 | — |
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 NCT04220021, 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 Dec 1, 2025 · Synced Apr 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04220021 live on ClinicalTrials.gov.