# Effect of Melatonin on Sleep Patterns of Resident Trainees During Night Float Shift

> **NCT05701969** · EARLY_PHASE1 · RECRUITING · sponsor: **University of Virginia** · enrollment: 50 (estimated)

## Conditions studied

- Sleep Disorders, Circadian Rhythm

## Interventions

- **DIETARY_SUPPLEMENT:** Melatonin
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT05701969
- **Lead sponsor:** University of Virginia
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2022-05-30
- **Primary completion:** 2028-06-30
- **Final completion:** 2028-06-30
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2026-05-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05701969

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05701969, "Effect of Melatonin on Sleep Patterns of Resident Trainees During Night Float Shift". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT05701969. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*