CBT-I or Zolpidem/Trazodone for Insomnia (COZI)

  • STATUS
    Recruiting
  • End date
    May 5, 2025
  • participants needed
    1200
  • sponsor
    California Pacific Medical Center Research Institute
Updated on 5 July 2022
behavior therapy
trazodone
zolpidem
cognitive behavioral therapy for insomnia
chronic insomnia

Summary

This study is a randomized (1:1:1) comparative effectiveness trial of medication (zolpidem or trazodone), cognitive-behavioral therapy for insomnia (CBT-I), and the combination (medication + CBT-I) for the treatment of chronic insomnia in men and women aged 18-80 living in rural areas with 1 year of follow-up. A total of 1200 participants will be enrolled and randomized in the United States. This trial is funded by the Patient-Centered Outcomes Research Institute.

Description

Insomnia is a common health problem that causes distress, impaired function, and increased risk for other health problems. Chronic insomnia is defined by problems with the quality or amount of sleep, including difficulty falling asleep, frequent awakenings, and/or awakening early and being unable to return to sleep. In developing this application, patients, providers, payors, and the investigators identified both concerns and opportunities with current treatments for chronic insomnia. Medications and Cognitive-Behavioral therapy for insomnia (CBT-I; a treatment program to improve sleep through changes in behavior and thinking) are both effective for treating insomnia. Zolpidem, the most frequently prescribed insomnia medication, is widely available, but may cause side effects and dependency. Trazodone is increasingly prescribed off-label for treatment of insomnia, but evidence of efficacy and safety is more limited. CBT-I is the recommended first line treatment by many professional organizations, but it is not widely available in physicians' practices. Patients, providers, and payors face important unanswered questions: Which treatment should be used for the treatment of chronic insomnia? Is combination therapy more effective, and does it result in lower zolpidem use? Who responds best to which treatment? These dilemmas are particularly relevant to patients and providers in rural areas, where access to behavioral health specialists is limited, and concerns regarding use of controlled substances is particularly acute.

To address these questions, we propose the study, Comparative Effectiveness of Zolpidem/Trazodone and Cognitive Behavioral Therapy for Insomnia in Rural Adults (COZI). The investigators will use a well-tested Internet version of CBT-I, which is just as effective as in-person CBT-I, but more widely available. The aims of COZI are to: 1: Compare the effectiveness of medication preference (zolpidem or trazodone), CBT-I, and combination treatment for insomnia symptoms over 12 months. 2: Compare the effectiveness of medication preference, CBT-I, and combination treatment for other symptoms and problems, including health-related quality of life, mood, and health outcomes. 3: Compare the side effects of medication preference, CBT-I, and combination treatment. 4: Conduct an exploratory analysis of heterogeneity of treatment effects for common factors (age, gender, socio-economic status, degree or rurality, and other factors). COZI will study 1200 patients (400 per treatment) recruited from 8 health care systems across the country, each of which has established practices in rural areas. Patients will be treated with medication prescribed by their own physician (zolpidem or trazodone), Internet CBT-I, or a combination of the two. The investigators will evaluate treatment effects at 9 weeks, and 6 and 12 months (with limited additional assessments for adverse events and medication use at 1 and 9 months). Our study questions and design reflect early and ongoing engagement of key stakeholders including patients, providers, and payors, who are members of the Study Advisory Committee (SAC). SAC members will work with study investigators to recommend the best strategies for recruiting patients, measuring treatment effects, and disseminating study findings. The SAC will meet quarterly. Patients and other stakeholders have already provided guidance on which treatments are most worth studying, and which symptoms would best reflect the effects of treatment. Patients and other stakeholders will also be part of the Steering Committee, which is the main decision-making group for our study, and which will meet monthly. COZI will lead to answers for patients and providers addressing insomnia; improved health and function for millions of rural Americans; and sustainable changes in how insomnia is treated in rural practices.

Details
Condition Chronic Insomnia
Treatment Zolpidem, Trazodone, Internet Cognitive Behavioral Therapy for Insomnia (CBT-I)
Clinical Study IdentifierNCT04468776
SponsorCalifornia Pacific Medical Center Research Institute
Last Modified on5 July 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Age 18-80
Insomnia Severity Index score > 10
Regular internet and computer access
Receives primary care in a Non-metropolitan/Rural residence

Exclusion Criteria

Use of hypnotic medication >2 times in the past week
Current cognitive or cognitive behavioral treatment for insomnia
Psychotic disorder
Bipolar disorder
Current substance use disorder
Severe Chronic obstructive pulmonary disease (COPD) or other severe pulmonary disease (such as asthma or lung fibrosis)
Cognitive impairment or dementia
History of spontaneous or hypnotic-induced complex sleep behavior
Delayed sleep phase disorder (DSPD)
Shift work that includes working the night shift (between the hours of 12:00 a.m. - 6:00 a.m.)
History of fracture or injurious fall in the past 12 months
Currently pregnant, planning to become pregnant, or breastfeeding
Other severe or uncontrolled mental or physical disorders that would make participation difficult or unsafe
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