- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00390572
Sleep Specialty Consultation: Improving Management of Sleep Disorders
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Sleep disorders are prevalent health problems that reduce quality of life, increase risks for medical disease, and enhance healthcare costs/utilization. Only a small proportion of these cases are diagnosed in primary care. Pilot data from this VA suggest that sleep disorders are not adequately managed in a primary care setting: 33% of veterans with an insomnia complaint had an undiagnosed primary sleep disorder (e.g., sleep apnea), and 50% of these patients were prescribed pharmacologic treatment for insomnia by their primary care providers. This project tests the incremental benefits of adding a one-time sleep specialty consultation (SSC) to usual primary care for reducing sleep disturbance, diurnal dysfunction, quality of life concerns and health care utilization among veterans enrolled in the DVAMC Primary Care Clinics. The SSC will consist of: (1) a thorough sleep disorders evaluation accomplished via a clinician-administered structured interview designed to assess specific symptoms of global sleep disorder categories, review of a sleep history questionnaire, and review of available (CPRS) medical/psychiatric electronic records; (2) education about the specific sleep disorders diagnoses and relevant treatment recommendations provided to the patients; and (3) standardized diagnostic information and treatment recommendations provided to the participants' primary care providers. Study hypotheses predict that patients who receive an SSC with feedback to their primary care providers will show greater improvements in sleep, mood, quality of life, and patient satisfaction, as well as larger reductions in health care utilization than will those who receive usual care alone. This is a randomized, wait-list control, clinical intervention study of 300 veterans with sleep complaints. Eligibility criteria include: sleep complaint for > 1 month duration, Pittsburgh Sleep Quality Index score > 5; mental status score > 24 on Folstein MMSE, no unstable medical or psychiatric disorder, and approval of primary provider. The SSC intervention consists of a clinician-administered structured interview assessing sleep pathology, plus manualized feedback to patients and primary care providers. Participants are randomly assigned to SSC or Wait List Control (WLC) conditions. Measures of sleep, mood, quality of life, and patient satisfaction are obtained at enrollment and at 5- and 10-month follow-up. Computerized utilization data is obtained for the 10 months prior to and 10 months following enrollment. A series of multivariate and univariate statistical tests will be conducted.
Study findings should provide important new information about managing both the sleep problems and overall health care utilization patterns of patients with sleep complaints presenting in VA primary care settings. If SSC-evaluated patients show substantial reductions in their VA inpatient/outpatient utilization, this finding could have important cost-saving implications to the VA system.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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North Carolina
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Durham, North Carolina, United States, 27705
- Durham VA Medical Center, Durham, NC
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- veteran seen at Durham VAMC for primary care;
- must have had a sleep complaint for > 1 month;
- not being treated by a sleep specialist for sleep complaint;
- provide informed consent;
- have concurrence for enrollment from their assigned MD PCP;
- score >5 on the Pittsburgh Sleep Quality Index at time of screening
Exclusion Criteria:
- terminal illness;
- acute or highly unstable Axis I psychiatric condition;
- not mentally competent;
- unstable living environment;
- unstable medical or psychiatric condition;
- established sleep disorder or currently under the care of one or more of our VAMC's sleep disorders specialists;
- previous evaluation by sleep disorders specialist;
- refuse to give informed consent
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Sleep Specialty Consultation
Participants randomized to receive a one-time sleep consultation at beginning of study
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The Sleep Specialty Consultation (SSC) consisted of: (1) a thorough sleep disorders evaluation accomplished via a clinician-administered structured interview designed to assess specific symptoms of global sleep disorder categories, review of a sleep history questionnaire, and review of available (CPRS) medical/psychiatric electronic records; (2) education about the specific sleep disorders diagnoses and relevant treatment recommendations provided to the patients; and (3) standardized diagnostic information and treatment recommendations provided to the participants' primary care providers.
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No Intervention: Treatment as Usual
Participants randomized to receive a one-time sleep consultation after completing study procedures (after 10 month study wait-list period).
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Provider Adherence to Sleep Specialist Recommendations
Time Frame: 10 months after baseline
|
Provider outcomes included the provider's number of participant sleep lab referrals, referrals to other specialty clinics for evaluation/treatment participant sleep problems, and presence of newly initiated sleep-focused therapies for participants.
Information about these outcomes was obtained via review of provider orders and information included in notes entered into the VA's computerized medical record system (CPRS).
To quantify this outcome, the number of participants referred by providers for sleep-focused diagnostic tests and interventions was compared across arms.
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10 months after baseline
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Diary Sleep: Total Wake Time and Total Sleep Time
Time Frame: 10 months
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Changes in sleep from baseline to subsequent follow-up periods were evaluated using both actigraphy and electronic diaries via a personal digital assistant (PDA).
Primary outcome measures derived from the PDA included total sleep time (TST), total wake time (TWT: SOL+WASO), and sleep efficiency (SE).
Wrist Actigraphy.
Mini-Mitter® Actiwatch actigraphs were used to derive the primary objective estimates of TST, TWT, and SE.
Mean values of TST, TWT and SE were obtained for each participant at baseline, 5 months and 10 months post-randomization and served as the actigraphic dependent measures in study analyses.
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10 months
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Sleep Efficiency
Time Frame: 10 Months after Baseline
|
Changes in sleep from baseline to subsequent follow-up periods were evaluated using both actigraphy and electronic diaries via a personal digital assistant (PDA).
Primary outcome measures derived from the PDA included total sleep time (TST), total wake time (TWT: SOL+WASO), and sleep efficiency (SE).
Wrist Actigraphy.
Mini-Mitter® Actiwatch actigraphs were used to derive the primary objective estimates of TST, TWT, and SE.
Mean values of TST, TWT and SE were obtained for each participant at baseline, 5 months and 10 months post-randomization and served as the actigraphic dependent measures in study analyses.
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10 Months after Baseline
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Sleep Quality
Time Frame: 10 Months
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Changes in overall sleep quality were evaluated using the Pittsburgh Sleep Quality Index (PSQI).
The PSQI is a self-rating scale that yields a quantitative index of general sleep quality/disturbances.
The PSQI is composed of 4 open-ended questions and 19 self-rated items (0-3 scale) assessing sleep quality and disturbances over a 1-month interval.
The PSQI yields a global score of sleep quality ranging from 0 to 21.
A score of <= 5 on the PSQI is considered normal sleep quality.
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10 Months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sleepiness
Time Frame: 10 months
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Changes in subjectively assessed daytime sleep propensity were measured using the Epworth Sleepiness Scale (ESS), a commonly employed in both sleep research and clinical applications.
The ESS items inquire about the chance of dozing off in each 8 different situations.
Responses are rated on a 4 point scale reflecting the respondents perceived likelihood of falling asleep.
To quanitfy this outcome, the percentage of participants achieving normal sleep (less than 10 on ESS) was compared across arms at 10 months.
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10 months
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Collaborators and Investigators
Publications and helpful links
General Publications
- Olsen MK, Stechuchak KM, Edinger JD, Ulmer CS, Woolson RF. Move over LOCF: principled methods for handling missing data in sleep disorder trials. Sleep Med. 2012 Feb;13(2):123-32. doi: 10.1016/j.sleep.2011.09.007. Epub 2011 Dec 14.
- Edinger JD, Ulmer CS, Grubber J, Zervakis JB, Olsen MK. Effects of a One-Time Sleep Specialty Consultation on Sleep Problem Management in Primary Care. [Abstract]. Sleep. 2011 Oct 20; 34(Suppl):A337,0984.
- Zervakis JB, Ulmer CS, Edinger JD. Can a One-Time Sleep Specialty Consultation Enhance Providers' Attention to Sleep Problems in Primary Care? [Abstract]. Sleep. 2010 Mar 1; 33(Suppl):A365,1092.
- Edinger JD, Grubber J, Ulmer C, Zervakis J, Olsen M. A Collaborative Paradigm for Improving Management of Sleep Disorders in Primary Care: A Randomized Clinical Trial. Sleep. 2016 Jan 1;39(1):237-47. doi: 10.5665/sleep.5356.
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IIR 05-213
- 0016 (Other Grant/Funding Number: VA R&D)
- 01147 (Other Grant/Funding Number: VA R&D)
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