Study of Docosahexaenoic Acid (DHA) Supplementation in Patients With X-Linked Retinitis Pigmentosa
I. Evaluate the potential of nutritional docosahexaenoic acid (DHA) supplementation to normalize the level of DHA in red blood cells, and to retard the progression of visual function loss in patients with early stage X-linked retinitis pigmentosa.
|Study Design:||Allocation: Randomized
Intervention Model: Parallel Assignment
Primary Purpose: Treatment
|Study Start Date:||March 1996|
PROTOCOL OUTLINE: This is a randomized, parallel, double blind study. Patients receive 2 gel capsules per day of either docosahexaenoic acid (DHA) enriched oil or a placebo oil. Oral DHA supplementation continues daily for 3 years.
All patients are followed every 6 months for the 3 year duration of the study.
|Study Chair:||Dennis R. Hoffman||Retina Foundation of the Southwest|