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Evaluation of the Effects of Oral QLT091001 in Adults With Impaired Dark Adaptation

Phase 2
Completed
Conditions
Impaired Dark Adaptation
Interventions
Other: Placebo
Registration Number
NCT01999764
Lead Sponsor
QLT Inc.
Brief Summary

This is a Phase IIa proof-of-concept study to evaluate the effects of oral QLT091001 on adults with impaired dark adaptation.

Detailed Description

This proof-of-concept study is a randomized, parallel design of two different oral doses of QLT091001 compared to placebo to evaluate treatment effects in patients with impaired dark adaptation.

Approximately 40 subjects will be enrolled in this study at approximately 7 centers in the US.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
43
Inclusion Criteria
  • Male or female subjects ≥60 yrs with early age-related macular degeneration (AMD) based on LLLC BCVA criterion or evidence of impaired dark adaptation
  • Subjects with high luminance high contrast best-corrected visual acuity (HLHC BCVA) of 40 letters (20/40 Snellen) or better in the study eye
  • Capable and willing to provide consent
Exclusion Criteria
  • Women of child bearing potential
  • Subjects with late AMD or any other optic neuropathy in the study eye
  • Subjects with posterior subcapsular cataract or multifocal intra-ocular lens (IOL) in the study eye
  • Subjects who are actively participating in an experimental therapy study or who have received experimental therapy within 60 days of Day 0 or who have taken any prescription/investigational oral retinoid medication within 6 months of Day 0
  • Subjects taking age-related eye disease study (AREDS) supplements containing beta-carotene

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
QLT091001 - second oral doseQLT091001Subjects will receive an oral dose of 40 mg/m2 of QLT091001.
Placebo (for QLT091001)PlaceboPlacebo is supplied to mimic QLT091001 oral solution.
QLT091001 - first oral doseQLT091001Subjects will receive an oral dose of 10mg/m2 of QLT091001.
Primary Outcome Measures
NameTimeMethod
Visual AcuityThrough 7 weeks

Low luminance low contrast best-corrected visual acuity (LLLC BCVA) will be measured at multiple time points.

Secondary Outcome Measures
NameTimeMethod
Dark Adaptation TimeThrough 7 weeks

Dark Adaptation Time will be measured at multiple time points.

Trial Locations

Locations (7)

Proliance Surgeons Inc.

🇺🇸

Seattle, Washington, United States

Ophthalmic Consultants of Boston

🇺🇸

Boston, Massachusetts, United States

Retina Foundation of the Southwest

🇺🇸

Dallas, Texas, United States

Retina Consultants of Houston

🇺🇸

Houston, Texas, United States

California Retina Consultants

🇺🇸

Santa Barbara, California, United States

Keystone Research Ltd.

🇺🇸

Austin, Texas, United States

Sall Research Medical Center

🇺🇸

Artesia, California, United States

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