Behavioral Insomnia Therapy in Primary Care

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2002-03-31

Study Completion Date

2006-07-31

Brief Summary

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Insomnia reduces quality of life, increases risks for other illnesses, and enhances health care costs/utilization. Several efficacy studies have shown that Cognitive-Behavioral Therapy (CBT) for insomnia improves sleep and diurnal complaints among highly screened samples; however, its effectiveness among �real-world� primary care patients is yet to be tested. This project is highly relevant to the VA health care mission, given the high prevalence of insomnia in middle-aged and older adults. Pilot data from this VA suggest that 40% of primary care patients report trouble sleeping.

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Detailed Description

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Background:

Insomnia reduces quality of life, increases risks for other illnesses, and enhances health care costs/utilization. Several efficacy studies have shown that Cognitive-Behavioral Therapy (CBT) for insomnia improves sleep and diurnal complaints among highly screened samples; however, its effectiveness among �real-world� primary care patients is yet to be tested. This project is highly relevant to the VA health care mission, given the high prevalence of insomnia in middle-aged and older adults. Pilot data from this VA suggest that 40% of primary care patients report trouble sleeping.

Objectives:

This project tests the incremental benefits of adding CBT 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. Study hypotheses predict that patients who receive CBT along with usual care will show greater improvements in sleep, mood, and quality of life, as well as larger reductions in health care utilization than will those who receive usual care alone.

Methods:

This is a single-blind, randomized, parallel group, clinical effectiveness study of 106 veteran insomnia sufferers. Eligibility criteria include: meeting structured interview criteria for insomnia, mean subjective total wake time of \> 60 minutes per night, mental status score \> 27 on Folstein MMSE, no unstable medical or psychiatric disorder, no polysomnographic evidence of sleep apnea or periodic limb movements, and approval of primary provider. Participants are randomly assigned to CBT + Usual Care or to Usual Care Control condition which provides therapist contact but no active behavioral treatment. Measures of sleep, mood, and quality of life are obtained before and after treatment and at a 6-month follow up. Computerized utilization data is obtained for the six months preceding and following treatment. A series of multivariate and univariate statistical tests will be conducted.

Status:

Major activities over the past year involved ongoing recruiting and enrolling participants. The study closed to enrollment on 7/19/05. Of 357 patients who completed screening procedures, 81 were eligible and enrolled in the project. Of these, five are in the pre-treatment phase, one is in the treatment phase, and 12 are in the post-treatment phase. Fifty-one patients have completed all study procedures. Eleven patients dropped out prior to completing the study, and one patient withdrew consent. A 1-year no cost extension was requested on 7/26/05 because of unavoidable delays in subject recruitment and enrollment, and we are awaiting a response.

Conditions

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Insomnia Primary Insomnia Secondary Insomnia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Study Groups

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Arm 1

Group Type OTHER

Cognitive-Behavioral Therapy

Intervention Type BEHAVIORAL

Interventions

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Cognitive-Behavioral Therapy

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

1. Veteran enrolled in primary care at Durham VAMC
2. Insomnia complaint for \> 1 month
3. Meet structured interview criteria for at least one DSM-IV insomnia subtype
4. Mean total wake time \> 60 minutes per night
5. Provide informed consent
6. Concurrence for enrollment from primary care provider

Exclusion Criteria

1. Terminal illness
2. Acute or unstable psychiatric condition
3. Acute pain or poorly managed chronic pain
4. Not mentally competent
5. Evidence of clinically significant sleep apnea or periodic limb movement disorder
6. Refuse to provide informed consent
7. In the opinion of their MD provider, have an unstable psychiatric or medical condition that makes participation unadvisable

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No