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Completed Phase 2 Interventional

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

ClinicalTrials.gov ID: NCT01999764

Public ClinicalTrials.gov record NCT01999764. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 7:49 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

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

Study identification

NCT ID
NCT01999764
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
QLT Inc.
Industry
Enrollment
43 participants

Conditions and interventions

Interventions

Drug · Other

Eligibility (public fields only)

Age range
60 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 2013 (Type not available)
Primary completion
Jun 2014 (Actual)
Completion
Jul 2014 (Actual)
Last update posted
Jul 14, 2015

2013 – 2014

United States locations

U.S. sites
7
U.S. states
4
U.S. cities
7
Facility City State ZIP Site status
Sall Research Medical Center Artesia California 90701 —
California Retina Consultants Santa Barbara California 93103 —
Ophthalmic Consultants of Boston Boston Massachusetts 02114 —
Keystone Research Ltd. Austin Texas 78731 —
Retina Foundation of the Southwest Dallas Texas 75231 —
Retina Consultants of Houston Houston Texas 77030 —
Proliance Surgeons Inc. Seattle Washington 98004 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01999764, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 14, 2015 · Synced Oct 24, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01999764 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →