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Sleep Apnea SyndromesNCT00005401

Validation and Exploration of Sleep and Mood Predictors

An observational study of Sleep Apnea Syndromes and Depression, run by National Heart, Lung, and Blood Institute (NHLBI).

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

To determine whether objectively recorded sleep durations were mortality risk factors, whether sleep duration could be distinguished from depression as a risk factor in Women's Health Initiative (WHI) data, and whether sleep-associated risks were attributable to specific pathophysiologic processes such as sleep apnea… Read more about this study

Who is it for?
Ages Up to 100 years, men only
Conditions the study is for
Sleep Apnea Syndromes, Depression, Lung Diseases
How many people
Not given
Where
No sites listed yet
Study dates
Aug 1995to Jul 1999
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Up to 100 years
  • Men only
  • No healthy volunteers
  • Child, Adult, Older adult

No eligibility criteria

About this study

To determine whether objectively recorded sleep durations were mortality risk factors, whether sleep duration could be distinguished from depression as a risk factor in Women's Health Initiative (WHI) data, and whether sleep-associated risks were attributable to specific pathophysiologic processes such as sleep apnea, circadian rhythm phase advances, or deficiencies of melatonin, or deficiencies of reproductive steroids. The study was ancillary to the WHI.

Read the detailed description

BACKGROUND:

Both reported short sleep and reported long sleep are major predictors of excess mortality risk, but the importance of reported sleep duration as a risk factor is not yet known. Sleep-related risks are of special interest to The Women's Health Initiative (WHI), because insomnia increases among women at menopause, and because WHI's hormone replacement therapy (HRT) and dietary modification (DM) may influence sleep. The WHI is an exciting opportunity to examine whether risks associated with reported sleep durations can be explained by a selection of intercurrent conditions, but the broad WHI design does not control for important potential confounders. Explicitly, the broad WHI design by itself cannot determine if behaviorally-modifiable objective sleep durations are the primary risk factor.

DESIGN NARRATIVE:

This ancillary project supplemented the WHI Observational Study (OS) by performing additional examinations on 600 San Diego OS women. These volunteers underwent home sleep recordings, hormone measurement, and detailed psychiatric interviews. To facilitate distinction of affective and sleep factors in WHI outcomes, the types and severity of depression in the OS subsample and the validity and reliability of sleep items in questionnaires given to WHI women were examined.

The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.

Medical subject headings
Sleep Apnea Syndromes, Depression, Lung Diseases

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted26 May 2000 (estimated)
  2. Study startAug 1995
  3. Study completionJul 1999

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
IDs, dates and publications
ClinicalTrials.gov ID
NCT00005401
Sponsor's protocol ID
4318
Other IDs
R01HL055983
Status last verified
Jul 2000
First submitted
25 May 2000
Last updated
29 Feb 2016
Results posted
No

Publications

  • Kripke DF, Elliot JA, Youngstedt SD, Smith JS. Melatonin: marvel or marker? Ann Med. 1998 Feb;30(1):81-7. doi: 10.3109/07853899808999388.

    PubMed 9556093
  • Kripke DF, Klauber MR, Wingard DL, Fell RL, Assmus JD, Garfinkel L. Mortality hazard associated with prescription hypnotics. Biol Psychiatry. 1998 May 1;43(9):687-93. doi: 10.1016/s0006-3223(97)00292-8.

    PubMed 9583003
  • Kripke DF. Light treatment for nonseasonal depression: speed, efficacy, and combined treatment. J Affect Disord. 1998 May;49(2):109-17. doi: 10.1016/s0165-0327(98)00005-6.

    PubMed 9609674
  • Jean-Louis G, Kripke DF, Assmus JD, Langer RD. Sleep-wake patterns among postmenopausal women: a 24-hour unattended polysomnographic study. J Gerontol A Biol Sci Med Sci. 2000 Mar;55(3):M120-3. doi: 10.1093/gerona/55.3.m120.

    PubMed 10795722
  • Jean-Louis G, Kripke DF, Ancoli-Israel S, Klauber MR, Sepulveda RS, Mowen MA, Assmus JD, Langer RD. Circadian sleep, illumination, and activity patterns in women: influences of aging and time reference. Physiol Behav. 2000 Jan;68(3):347-52. doi: 10.1016/s0031-9384(99)00186-9.

    PubMed 10716544
  • Jean-Louis G, von Gizycki H, Zizi F. Predictors of subjective sleepiness induced by melatonin administration. J Psychosom Res. 1999 Oct;47(4):355-8. doi: 10.1016/s0022-3999(98)00076-2.

    PubMed 10616229
  • Jean-Louis G, Mendlowicz MV, Von Gizycki H, Zizi F, Nunes J. Assessment of physical activity and sleep by actigraphy: examination of gender differences. J Womens Health Gend Based Med. 1999 Oct;8(8):1113-7. doi: 10.1089/jwh.1.1999.8.1113.

    PubMed 10565670
  • Lasko TA, Kripke DF, Elliot JA. Melatonin suppression by illumination of upper and lower visual fields. J Biol Rhythms. 1999 Apr;14(2):122-5. doi: 10.1177/074873099129000506.

    PubMed 10194648
  • Jean-Louis G, Zizi F, von Gizycki H, Hauri P. Actigraphic assessment of sleep in insomnia: application of the Actigraph Data Analysis Software (ADAS). Physiol Behav. 1999 Jan 1-15;65(4-5):659-63. doi: 10.1016/s0031-9384(98)00213-3.

    PubMed 10073464

Questions about this trial

What is this clinical trial studying?

An observational study of Sleep Apnea Syndromes and Depression, run by National Heart, Lung, and Blood Institute (NHLBI).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 29 Feb 2016. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00005401, which also lists 9 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 29 Feb 2016.

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