NCT04545736
Oral Metformin for Treatment of ABCA4 Retinopathy
Active, Not Recruiting
PHASE1Ages 12+InterventionalTreatmentNational Eye Institute (NEI)Government-funded
~55 participants
Updated 2026-08-19 on ClinicalTrials.gov
What's tested:Metformin hydrochloride
At a glance
Recruiting sites
0 of 2 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
The difference in growth rate of square-root transformed area of EZ band loss (vAreaEZloss)
Measured over Pre-treatment, Baseline, Month 24
Conditions
Where it's being run
2 sites across 2 statesMaryland1
Michigan1
Study leadership
- Brian P Brooks, M.D. · PRINCIPAL_INVESTIGATOR · National Eye Institute (NEI)
Who to contact
This trial hasn't published a contact. View it on ClinicalTrials.gov
Do you actually qualify for this trial?
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Eligibility criteria
Inclusion
Have had a surgical sterilization OR
Completely abstain from intercourse OR
Practice at least one form of contraception while actively taking IP on the study and at least one week after IP discontinuation OR
Have a partner who had a surgical sterilization OR
Have a partner who practices one form of contraception while the female participant is actively taking IP and at least one week after the female participant discontinues IP.
Have had a surgical sterilization OR
Completely abstain from intercourse OR
Practice at least one form of contraception while actively taking IP on the study and at least for 3 months after IP discontinuation OR
Have a partner who had a surgical sterilization OR
Have a partner who practices one form of contraception while the male participant actively takes IP and at least 3 months after the male participant discontinues IP.
What this trial measures
- The difference in growth rate of square-root transformed area of EZ band loss (vAreaEZloss)Pre-treatment, Baseline, Month 24
The difference in growth rate of vAreaEZloss, from OCT, between the pre-treatment phase and treatment phase.