Chromatic Pupillometry to Assess the Melanopsin-Light Pathway in Progressive Supranuclear Palsy
Public ClinicalTrials.gov record NCT03330353. 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
Functional Assessment of the Melanopsin-Containing Retinal Ganglion Cells in Progressive Supranuclear Palsy Using Chromatic Pupillometry
Study identification
- NCT ID
- NCT03330353
- Recruitment status
- Not listed
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Massachusetts General Hospital
- Other
- Enrollment
- 56 participants
Conditions and interventions
Conditions
Interventions
- Pupillometry Diagnostic Test
Diagnostic Test
Eligibility (public fields only)
- Age range
- 55 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
- Oct 31, 2017
- Primary completion
- Sep 30, 2019
- Completion
- Sep 30, 2019
- Last update posted
- Nov 6, 2017
2017 – 2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | Recruiting |
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 NCT03330353, 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 Nov 6, 2017 · Synced May 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03330353 live on ClinicalTrials.gov.