Interferon Gamma-1b Administered Topically for Macular Edema/Intraretinal Schisis Cysts in Rod-Cone Dystrophy (RCD) and Enhanced S-Cone Syndrome (ESCS)
Public ClinicalTrials.gov record NCT02338973. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Pilot Phase I/II Study of the Evaluation of Interferon Gamma-1b Administered Topically for Macular Edema/Intraretinal Schisis Cysts in Rod-Cone Dystrophy (RCD) and Enhanced S-Cone Syndrome (ESCS)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Background: \- People with rod-cone dystrophy (RCD) or enhanced S-cone syndrome (ESCS) have excess fluid under the retina of their eye. This can cause vision loss. The medicine interferon gamma-1b may help people with these diseases. Objectives: \- To see if interferon gamma-1b eyedrops are safe for people with RCD or ESCS. To see if the medicine can decrease retina fluid and help prevent vision loss. Eligibility: \- People at least 12 years old with RCD or ESCS. Those with ESCS must have two mutations in the NR2E3 gene. Design: * Participants will be screened with medical history, physical exam, eye exam, and blood tests. * Participants will stay at NIH for 3 days and get the first eyedrops. * Participants will give themselves 4 study eyedrops 4 times daily for 2 weeks and keep a diary. * Participants will have 5 outpatient visits over 8 weeks, 2 of which are telephone assessments. They may have: * Repeats of screening tests. * Questionnaires. * Small piece of skin removed. * Eye exams, including eye dilation and tasks on computer screens. * Fluorescein angiography. A dye injected into an arm vein will travel to the blood vessels in the eyes. A camera will take pictures. * Electroretinography. Participants will sit in the dark wearing eyepatches. A small electrode will be taped to the forehead. After 30 minutes, researchers will remove the eyepatches and put in numbing eyedrops and contact lenses. Participants will watch flashing lights. * Electrooculography. Electrodes will be attached outside of the eyes and eye function will be measured in the dark and the light. * Participants will have a follow-up visit after 52 weeks.
Study identification
- NCT ID
- NCT02338973
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Enrollment
- 4 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 12 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
- Jan 13, 2015
- Primary completion
- May 31, 2018
- Completion
- Jul 25, 2018
- Last update posted
- Aug 12, 2019
2015 – 2018
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| National Institutes of Health Clinical Center, 9000 Rockville Pike | Bethesda | Maryland | 20892 | — |
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 NCT02338973, 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 Aug 12, 2019 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02338973 live on ClinicalTrials.gov.