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Effects of Vitamin B12 on the Body's Internal Clock

NCT00120484 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 10

Last updated 2010-01-14

No results posted yet for this study

Summary

Circadian rhythms are 24-hour cycles that influence natural functions in the body such as heart rate, blood pressure, and body temperature. Circadian rhythms provide the body with an internal clock and affect sleep patterns. The purpose of this study is to determine the effects of vitamin B12 supplements on circadian rhythms and sleep-wake regulation.

Conditions

  • Sleep Disorders, Circadian Rhythm

Interventions

DRUG

Vitamin B12

Sponsors & Collaborators

  • National Center for Complementary and Integrative Health (NCCIH)

    collaborator NIH

  • Brigham and Women's Hospital

    lead OTHER

Principal Investigators

  • Jeanne F. Duffy, PhD · Brigham and Women's Hospital, Harvard Medical School

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
30 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2005-04-30
Primary Completion
2007-12-31
Completion
2008-01-31

Countries

  • United States

Study Locations

More Related Trials

Entities

Drugs

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00120484 on ClinicalTrials.gov