Indoor Temperature and Sleep Apnea

This study has been completed.

Sponsor:

Collaborator:

Swedish Heart Lung Foundation

Information provided by:

Umeå University

ClinicalTrials.gov Identifier:

NCT00544752

First received: October 12, 2007

Last updated: April 13, 2011

Last verified: April 2011

History of Changes

Purpose

The purpose of this study is to test whether different indoor temperature affect the frequency of sleep apnea.

Condition	Intervention
Obstructive Sleep Apnea	Other: 16 Other: indoor temperature of 20 degrees celcius Other: indoor temperature of 24 degrees celcius


Study Type:	Interventional
Study Design:	Allocation: Randomized Endpoint Classification: Efficacy Study Intervention Model: Crossover Assignment Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor) Primary Purpose: Prevention
Official Title:	Indoor Temperature and Sleep Apnea

Resource links provided by NLM:

MedlinePlus related topics: Sleep Apnea

U.S. FDA Resources

Further study details as provided by Umeå University:

Primary Outcome Measures:

Apnea hypopnea index, karolinska sleepiness scale [ Time Frame: one night ] [ Designated as safety issue: No ]

Secondary Outcome Measures:

Sleep stages, sleep efficiency [ Time Frame: One night ] [ Designated as safety issue: No ]


Enrollment:	40
Study Start Date:	January 2005
Study Completion Date:	January 2011
Primary Completion Date:	December 2010 (Final data collection date for primary outcome measure)

Arms	Assigned Interventions
Experimental: 16 indoor temperature of 16 degrees celcius	Other: 16 indoor temperature of 16 degrees celcius
Experimental: 20 indoor temperature 20 degrees celcius	Other: indoor temperature of 20 degrees celcius indoor temperature of 20 degrees celcius
Experimental: 24 indoor temperature of 24 degrees celcius	Other: indoor temperature of 24 degrees celcius indoor temperature of 24 degrees celcius

Eligibility


Genders Eligible for Study:	Both
Accepts Healthy Volunteers:	No

Criteria

Inclusion Criteria:

Obstructive sleep apnea

Exclusion Criteria:

Central sleep apnea

Contacts and Locations

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00544752

Locations


Sweden
Dept of respiratory medicine
Umeå, Sweden, SE 901 85

Sponsors and Collaborators

Umeå University

Swedish Heart Lung Foundation

Investigators


Principal Investigator:	Karl A Franklin, MD, PhD	Dept Respiratory Medicine, University Hospital, Umeå

More Information

No publications provided by Umeå University

Additional publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Valham F, Sahlin C, Stenlund H, Franklin KA. Ambient temperature and obstructive sleep apnea: effects on sleep, sleep apnea, and morning alertness. Sleep. 2012 Apr 1;35(4):513-7. doi: 10.5665/sleep.1736.


Responsible Party:	Ass Prof Karl Franklin, Umeå University
ClinicalTrials.gov Identifier:	NCT00544752 History of Changes
Obsolete Identifiers:	NCT01315600
Other Study ID Numbers:	03-563
Study First Received:	October 12, 2007
Last Updated:	April 13, 2011
Health Authority:	Sweden: Institutional Review Board

Keywords provided by Umeå University:


sleep apnea syndromes, ambient indoor temperature

Additional relevant MeSH terms:


Sleep Apnea Syndromes Apnea Dyssomnias Nervous System Diseases	Respiration Disorders Respiratory Tract Diseases Sleep Disorders Sleep Disorders, Intrinsic

ClinicalTrials.gov processed this record on March 03, 2015

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