Safety/Proof of Concept Study of Oral QLT091001 in Subjects With Leber Congenital Amaurosis (LCA) or Retinitis Pigmentosa (RP) Due to Retinal Pigment Epithelial 65 Protein (RPE65) or Lecithin:Retinol Acyltransferase (LRAT) Mutations

QLT Inc.

Status and phase

Completed

Phase 1

Conditions

RP (Retinitis Pigmentosa)

LCA (Leber Congenital Amaurosis)

Treatments

Drug: QLT091001

Study type

Interventional

Funder types

Industry

Identifiers

RET IRD 01

Details and patient eligibility

About

The purpose of this study is:

to evaluate the safety of oral QLT091001
to evaluate whether 7-day treatment with oral QLT091001 can improve visual function in subjects with LCA or RP due to RPE65 or LRAT mutations
to evaluate duration of visual function improvement (if observed)

Enrollment

32 patients

Sex

All

Ages

5 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Subjects diagnosed with LCA or RP (with a mutation in either RPE65 or LRAT)
- Subjects with LCA must be 5-65 years of age
- Subjects with RP must be 18-65 years of age
Subjects who have a "best-corrected" visual acuity of 3 letters or better (20/800 Snellen equivalent) or viable photoreceptors on OCT/FAF.

Exclusion criteria

Subjects who are actively participating in an experimental therapy study or who have received experimental therapy within 60 days of Day 0.
Subjects with any clinically important abnormal physical finding at Screening.
Subjects who have taken any prescription or investigational oral retinoid medication (e.g., Accutane,® Soriatane®) within 6 months of Day 0 and subjects who did not tolerate their previous oral retinoid medication will be excluded regardless of the time of last exposure.
Subjects with a history of diabetes or chronic hyperlipidemia, hepatitis, pancreatitis, or cirrhosis.
Subjects who have taken any supplements containing ≥10,000 IU vitamin A within 60 days of screening