# Effects of Vitamin B12 on the Body's Internal Clock

> **NCT00120484** · NA · COMPLETED · sponsor: **Brigham and Women's Hospital** · enrollment: 10 (actual)

## Conditions studied

- Sleep Disorders, Circadian Rhythm

## Interventions

- **DRUG:** Vitamin B12

## Key facts

- **NCT ID:** NCT00120484
- **Lead sponsor:** Brigham and Women's Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-04
- **Primary completion:** 2007-12
- **Final completion:** 2008-01
- **Target enrollment:** 10 (ACTUAL)
- **Last updated:** 2010-01-14

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00120484

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00120484, "Effects of Vitamin B12 on the Body's Internal Clock". Retrieved via AI Analytics 2026-07-25 from https://api.ai-analytics.org/clinical/NCT00120484. Licensed CC0.

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