Insomnia Treatment and Cardiometabolic Health in Older Adults With Posttraumatic Stress Disorder
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About
This pilot pre-post trial will address a gap in knowledge related to addressing modifiable risk factors for cardiometabolic disease through treating residual insomnia, sleep difficulties that remain after successful treatment of another condition, in the context of PTSD in understudied older adults. This study provides a non-medication treatment for PTSD called Cognitive Processing Therapy (CPT) followed by a non-medication sleep education and treatment program (Cognitive Behavioral Therapy for Insomnia, CBT-I) for sleep problems that remain after completing PTSD treatment in older adults with PTSD. The aims of this project are to evaluate 1) the added benefits of treating residual insomnia on sleep and PTSD symptoms; 2) the added benefits of treating residual insomnia following CPT on cardiometabolic risk biomarkers and quality of life; and 3) the durability of the sleep, PTSD, cardiometabolic and quality of life benefits of treating residual insomnia following CPT at 6-month follow-up in older adults with PTSD.
Full description
Both insomnia and Post Traumatic Stress Disorder (PTSD) are independent risk factors for cardiometabolic diseases; the leading causes of morbidity and mortality in the US for which the growing geriatric population is at elevated risk. PTSD and insomnia disorder frequently co-occur yet require unique treatments, as sleep difficulties are one of the most common residual symptoms that remain after completing an evidence-based PTSD treatment.
This pilot pre-post trial provides a non-medication treatment for PTSD called Cognitive Processing Therapy (CPT) followed by a non-medication sleep education and treatment program (Cognitive Behavioral Therapy for Insomnia, CBT-I) for sleep problems that remain after completing PTSD treatment in older adults with PTSD. Individuals over 50 years of age, who have received care at the VA Greater Los Angeles Healthcare System, and who have been exposed to a stressful or traumatic life event will be recruited for this study.
Participants will be asked to complete a baseline evaluation that involves (a) being asked questions about health, medications, personal information, quality of life, sleep patterns and habits, mood, and stressful/traumatic experiences; (b) wearing a blood pressure monitor at home for 24 hours; (c) wearing a continuous glucose monitor sensor that contains a small filament (a thread-sized needle) inserted into the upper arm or abdomen for 7 consecutive days; (d) wearing a wristwatch device that measures sleep/wake patterns for 7 consecutive days; and (e) completing a daily sleep diary for 7 consecutive days. Participants may also be screened for sleep apnea with a portable sleep apnea monitoring device with sensors worn on the wrist, index finger and chest for one night.
Information from the baseline evaluation and medical records will be reviewed by the research team to determine whether an individual is eligible and likely able to complete all future study activities. Participants will be contacted to be advised of their study eligibility status. If eligible after the baseline assessment, study staff will review future study activities and confirm the participant's interest in continuing in the study. All eligible and interested participants will then receive an evidence-based PTSD treatment (CPT; 12 sessions). Following completion of the PTSD treatment, participants will receive a sleep education program (CBT-I; 5 sessions). For eligible individuals, participation in this research will last about 11 months.
Main study outcomes assessments from the baseline evaluation will be repeated three times: (1) one week after completion of the PTSD treatment; (2) one week after completion of the sleep education program; and (3) 6-months after the sleep education program ends. Data will be analyzed using "intention to treat" principles, using appropriate statistical methods for pilot clinical trials.
The investigators hope to determine how these treatment programs affect health in older adults with PTSD and insomnia. Findings from this pilot study will expand our understanding of the relationships between evidence-based insomnia and trauma treatments and key outcomes of sleep, PTSD symptoms, cardiometabolic health and quality of life in older adults with PTSD and insomnia while informing future research.
Enrollment
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Inclusion criteria
- Community-dwelling Veterans aged 50 years and older
- Received care from a Veterans Health Administration (VHA) facility in the prior year
- Diagnosis of PTSD
- Diagnosis of insomnia disorder
- Lives within a 50-mile radius of the research offices at the VA Sepulveda Ambulatory Care Center
Exclusion criteria
- Active substance use or in recovery with less than 90 days of sobriety
- Too ill to engage in the study procedures (e.g., unable to attend the in-person meetings)
- Unable to self-consent to participate
- Unstable housing (as this will impact the research team's ability to retrieve costly and difficult to replace monitoring equipment)
- Severe cardiovascular or respiratory disease (e.g., ventilatory failure, CHF)
- Unstable medical or psychiatric disorders (which are a contraindication for behavioral treatment of insomnia)
- Comorbid sleep disorders (i.e., central sleep apnea syndrome, diagnosed narcolepsy or circadian rhythm sleep-wake phase disorders) based on medical record review and baseline assessment data, or untreated, severe sleep disordered breathing (SDB) as assessed via WatchPAT or previous clinical evaluation (apnea-hypopnea index [AHI] ≥ 30; or AHI ≥ 15 plus Epworth Sleepiness Scale [ESS] score ≥ 10) that better explain sleep difficulties
Trial design
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Interventional model
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167 participants in 1 patient group
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Central trial contact
Monica Kelly, PhD
Data sourced from clinicaltrials.gov
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