Patient Registry of Blind Subjects With Sleep-related Problems
Recruiting
Observational Study
Sleep-wake Disorder in Blind Individuals
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Sex
- Any
- Study type
- Observational
- Participants needed
- 10,000 (estimated)
- Sponsor
- Vanda Pharmaceuticals · Industry
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Answer a few quick questions to see if you may meet the eligibility requirements.
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About This Trial
Non-24-hour sleep-wake disorder (Non-24) is a condition experienced primarily by totally blind individuals that results in abnormal night sleep patterns and chronic daytime sleepiness. This is a research protocol to develop a patient registry of subjects who may suffer from Non-24 and who are blind. Subjects participate in the study through a phone survey. This registry will be used to better unde…
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. Subjects or legal guardians must be at least 18 years of age to participate in the telephone survey. Parents or legal guardians may represent children from 0 through 17 years who meet the following criteria.
2. Subjects must be blind.
3. Subjects must have some self-described…
Contacts
Vanda Pharmaceuticals
(202) 734-3400
CONTACT