title: Letter from the DSMC regarding a clinical trial of lutein in patients with retinitis pigmentosa.
authors.forename: Janet
authors.initials: J
authors.lastname: Wittes
authors.forename: Michael B
authors.initials: MB
authors.lastname: Gorin
authors.forename: Susan T
authors.initials: ST
authors.lastname: Mayne
authors.forename: Cynthia S
authors.initials: CS
authors.lastname: McCarthy
authors.forename: Paul
authors.initials: P
authors.lastname: Sternberg
authors.forename: Michael
authors.initials: M
authors.lastname: Wall
mesh_terms: D026661:Clinical Trials Data Monitoring Committees; D002986:Clinical Trials as Topic; D019587:Dietary Supplements; D018450:Disease Progression; D004359:Drug Therapy, Combination; D006801:Humans; D014975:Lutein / Q000008:administration & dosage*; D012174:Retinitis Pigmentosa / Q000188:drug therapy* / Q000503:physiopathology; D014786:Vision Disorders / Q000188:drug therapy* / Q000503:physiopathology; D014792:Visual Acuity / Q000502:physiology; D014794:Visual Fields / Q000502:physiology; D014801:Vitamin A / Q000008:administration & dosage*
chemical_list: D014801:Vitamin A; D014975:Lutein