# Melatonin Levels in Smith Magenis Syndrome (SMS)

> **NCT00691574** · NA · TERMINATED · sponsor: **Oregon Health and Science University** · enrollment: 5 (actual)

## Conditions studied

- Chromosome Disorders

## Interventions

- **DIETARY_SUPPLEMENT:** Melatonin
- **DEVICE:** Enviro-light artificial light box

## Key facts

- **NCT ID:** NCT00691574
- **Lead sponsor:** Oregon Health and Science University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 1998-09
- **Primary completion:** 2009-03
- **Final completion:** 2009-05
- **Target enrollment:** 5 (ACTUAL)
- **Why stopped:** Unique provision in the American Recovery and Reinvestment Act prevented approval of second year no-cost-extension in which completion of analyses were planned.
- **Last updated:** 2019-11-27


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00691574

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00691574, "Melatonin Levels in Smith Magenis Syndrome (SMS)". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT00691574. Licensed CC0.

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