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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06454344
Other study ID # 202307139
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date May 1, 2024
Est. completion date October 31, 2028

Study information

Verified date June 2024
Source University of Iowa
Contact Nathaniel D Jenkins, PhD
Phone 3194673091
Email nathaniel-jenkins@uiowa.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The overall purpose of this study is to understand the role of disrupted sleep in the association of exposure to early life adversity (adverse childhood experiences (ACEs)) with vascular endothelial (dys)function. In Aim 1 (The Iowa ACEs and Sleep Cohort Study), the investigators will utilize a cross-sectional cohort design with a state-of-the-art translational approach. Participants will be recruited to objectively characterize the degree to which lower sleep quality and quantity contribute to ACEs-related endothelial dysfunction, inflammation, and oxidative stress in young adults using: 1. rigorous at home sleep monitoring using 7-nights of wrist actigraphy and 2 nights of home-based polysomnography to objectively measure sleep quality (sleep efficiency, wakefulness after sleep onset and sleep depth), and total sleep duration, 2. in vivo assessment of endothelial function via flow-mediated dilation testing, and 3. in vitro determination of endothelial cell inflammation and oxidative stress from biopsied endothelial cells. This study to achieve this Aim. In Aim 2, approximately 70 eligible participants from Aim 1 (The Iowa ACEs and Sleep Cohort Study) will then be randomized to either a 6-week behavioral sleep intervention (cognitive behavioral therapy for insomnia) or a wait-list control to determine the mechanistic contribution of sleep disruption to vascular dysfunction in young adults with moderate-to-high exposure to adverse childhood experiences (ACEs). Following the intervention, participants will again complete: 1. rigorous at home sleep monitoring using 7-nights of wrist actigraphy and 2 nights of home-based polysomnography to objectively measure sleep quality (sleep efficiency, wakefulness after sleep onset and sleep depth), and total sleep duration, 2. in vivo assessment of endothelial function via flow-mediated dilation testing, and 3. in vitro determination of endothelial cell inflammation and oxidative stress from biopsied endothelial cells.


Recruitment information / eligibility

Status Recruiting
Enrollment 70
Est. completion date October 31, 2028
Est. primary completion date October 31, 2027
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 29 Years
Eligibility AIM 1 Inclusion Criteria: 1. 18-29 years of age 2. SBP <129 and DBP <90 mmHg 3. Body Mass Index > 18.5 kg/m2 and <35 kg/m2 4. Willing to complete in-home sleep studies Exclusion Criteria: 1. Currently undergoing treatment for a sleep disorder or diagnosed with restless leg syndrome, hypersomnia, parasomnia or narcolepsy, or obstructive sleep apnea 2. Currently performing overnight shift work 3. Lifetime history of any psychiatric disorder with psychotic features or bipolar disorder, currently undergoing treatment for substance-induced mood disorder 4. Endorsed suicidal ideation as indicated by a Moderate or High risk determination on the Columbia Suicide Risk Protocol 5. Diagnosed neurological disorder or illness affecting the central nervous system 6. Diagnosed acute or chronic autoimmune disease or chronic inflammatory condition 7. Current or previous cancer diagnosis 8. History of moderate or severe traumatic brain injury 9. Current or previous history of CBT-I treatment or sleep restriction or cognitive restructuring therapy for sleep 10. History of cardiometabolic disease (e.g., ischemic heart disease, coronary artery disease, stroke, chronic kidney disease, diabetes mellitus), pulmonary disease, or renal disease 11. Current or recent (within past month) use of anti-hypertensive (including clonidine), lipid lowering, glucose- controlling, or prescription anti-inflammatory medications 12. Current or recent (within past month) opiates, benzodiazepine or benzodiazepine receptor agonists, or trazodone 13. Recent changes to or unstable treatment (changes within last 6 mo.) with prescription medications 14. Currently smoking or using nicotine 15. Current use of hormone therapy 16. Current heavy alcohol use, as defined as binge drinking on 5 or more days in the last month, or consuming more than 7 (women) or 14 (men) drinks per week in the last month (per NIAAA definition) 17. Current or recent (within the last 6 mo.) illicit drug use disorder as indicated by a score of 3 or greater on the Drug Abuse Screening Test (DAST-10) 18. Current or recent (within 6 mo.) pregnancy OR current or recent breastfeeding (within 3 mo.) OR children under the age of 2 years old in the home 19. Currently completing greater than 300 minutes of moderate intensity, or greater than 150 minutes of vigorous intensity physical activity, or an equal combination per week 20. Unstable housing AIM 2 Inclusion Criteria: 1. 18-29 years of age 2. SBP <129 and DBP <90 mmHg 3. Body Mass Index > 18.5 kg/m2 and <35 kg/m2 4. Willing to complete in-home sleep studies 5. >= 3 Adverse Childhood Experiences 6. PSQI Global Score >5 7. PSQI Sleep Efficiency Score <90% Exclusion Criteria: 1. Currently undergoing treatment for a sleep disorder or diagnosed with restless leg syndrome, hypersomnia, parasomnia or narcolepsy, or obstructive sleep apnea 2. Currently performing overnight shift work 3. Lifetime history of any psychiatric disorder with psychotic features or bipolar disorder, currently undergoing treatment for substance-induced mood disorder 4. Endorsed suicidal ideation as indicated by a Moderate or High risk determination on the Columbia Suicide Risk Protocol 5. Diagnosed neurological disorder or illness affecting the central nervous system 6. Diagnosed acute or chronic autoimmune disease or chronic inflammatory condition 7. Current or previous cancer diagnosis 8. History of moderate or severe traumatic brain injury 9. Current or previous history of CBT-I treatment or sleep restriction or cognitive restructuring therapy for sleep 10. History of cardiometabolic disease (e.g., ischemic heart disease, coronary artery disease, stroke, chronic kidney disease, diabetes mellitus), pulmonary disease, or renal disease 11. Current or recent (within past month) use of anti-hypertensive (including clonidine), lipid lowering, glucose- controlling, or prescription anti-inflammatory medications 12. Current or recent (within past month) opiates, benzodiazepine or benzodiazepine receptor agonists, or trazodone 13. Recent changes to or unstable treatment (changes within last 6 mo.) with prescription medications 14. Currently smoking or using nicotine 15. Current use of hormone therapy 16. Current heavy alcohol use, as defined as binge drinking on 5 or more days in the last month, or consuming more than 7 (women) or 14 (men) drinks per week in the last month (per NIAAA definition) 17. Current or recent (within the last 6 mo.) illicit drug use disorder as indicated by a score of 3 or greater on the Drug Abuse Screening Test (DAST-10) 18. Current or recent (within 6 mo.) pregnancy OR current or recent breastfeeding (within 3 mo.) OR children under the age of 2 years old in the home 19. Currently completing greater than 300 minutes of moderate intensity, or greater than 150 minutes of vigorous intensity physical activity, or an equal combination per week 20. Unstable housing 21. Likely Obstructive Sleep Apnea, as indicated by an apnea-hypopnea index (AHI) >= 15 events/hour or persistent hypoxemia, as indicated by an arterial oxygen saturation <= 88% for >5 minutes per night.

Study Design


Intervention

Behavioral:
Cognitive Behavioral Therapy for Insomnia (CBT-i)
CBT-I is a structured program with a robust empirical evidence supporting its efficacy for improving sleep quality and quantity. The cognitive component of CBT-I teaching individuals how to recognize and change the beliefs they hold about sleep that negatively impact sleep, such as negative thoughts and emotions. The behavioral component includes several strategies to help improve sleep, including: improved sleep hygiene, improving the sleep environment, relaxation training, stimulus control therapy (consistent wake/sleep times, using the bed only for sleep, etc), and sleep restriction. Sleep restriction consists of reducing the time spend in bed initially to increase sleep drive in subsequent nights. Once sleep has improved, the time in bed is gradually increased again.

Locations

Country Name City State
United States Integrative Laboratory of Applied Physiology and Lifestyle Medicine Iowa City Iowa

Sponsors (1)

Lead Sponsor Collaborator
Nathaniel Jenkins

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Other Sleep Quality The investigators will objectively quantify sleep quality as actigraphy measured as sleep efficiency (PRIMARY independent variable) and wakefulness after sleep onset and PSG measured sleep depth as indicated by the relative time spent in slow wave sleep. The investigators will also assess sleep efficiency and wakefulness after sleep onset using sleep diaries. These parameters are considered the independent variable in this study, with the primary identified independent variable identified as sleep efficiency. Collection of these data will be used to a) confirm changes and b) examine whether changes in the variables do in fact mediate changes in vascular function. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Other Sleep Duration The investigators will objectively quantify total sleep duration using actigraphy and via sleep diary. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Other Anxiety and Depression Anxiety and depression symptoms will be assessed using the "Inventory of Depression and Anxiety Symptoms-II" (IDAS-II), which is a reliable, well-validated assessment of mood and anxiety disorder symptoms. Using this scale, anxiety and depression ill be well-measured, and the investigators will assess their role as confounders/mediators in analyses. Each scale is individually assessed, meaning that the minimum score for mood symptoms, specifically, ranges from 3-20, and the maximum score ranges from 15-100 for this scale. With regards to anxiety disorder symptoms, the minimum score ranges from 3-8, and the maximum score ranges from 15-40. Higher scores on scales indicate worse outcomes. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Other Trauma Trauma symptoms will be assessed using the "PTSD Checklist for DSM-5" (PCL-5) with Life Events checklist. Using this scale, trauma symptoms will be well-measured, and the investigators will assess their role as confounders/mediators in analyses. The minimum value for this scale is "0" and the maximum value for this scale is "80". Higher scores on this scale indicate a worse outcome. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Primary Vascular Endothelial Function The brachial artery flow-mediated dilation (FMD) technique, a non-invasive bioassay of endothelium-dependent vasodilatory function, will be used as the primary determinant of in-vivo vascular endothelial function. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Endothelial NF?B p65 expression. Vascular endothelial cells will be biopsied and stained for inflammatory marker NF?B p65. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Endothelial TNF-a expression. Vascular endothelial cells will be biopsied and stained for inflammatory marker TNF-a. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Endothelial MCP-1 expression. Vascular endothelial cells will be biopsied and stained for inflammatory marker MCP-1. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Endothelial NADPH-oxidase p47phox expression. Vascular endothelial cells will be biopsied and stained for NADPH-oxidase p47phox, a marker of oxidative stress. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Endothelial nitrotyrosine expression. Vascular endothelial cells will be biopsied and stained for nitrotyrosine, a marker of oxidative stress. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Circulating CRP Blood samples will be collected and analyzed for inflammatory marker CRP in plasma. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Circulating TNF-a Blood samples will be collected and analyzed for inflammatory marker TNF-a in serum. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Circulating MCP-1 Blood samples will be collected and analyzed for inflammatory marker MCP-1 in serum. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Circulating IL1-RA Blood samples will be collected and analyzed for inflammatory marker IL1-RA in plasma. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Circulating oxidized low density lipoprotein Blood samples will be collected and analyzed for oxidative stress marker oxidized low density lipoprotein in serum. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Circulating 8-iso prostaglandin F2a Blood samples will be collected and analyzed for oxidative stress marker 8-iso prostaglandin F2a in serum. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Anti-oxidant (Superoxide Dismutase) Activity in Peripheral Blood Mononuclear Cells Peripheral blood mononuclear cells will be isolated from whole blood pre and post intervention and superoxide dismutase activity will be quantified using calorimetric assay. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Anti-oxidant (Glutathione Reductase) Activity in Peripheral Blood Mononuclear Cells Peripheral blood mononuclear cells will be isolated from whole blood pre and post intervention and glutathione reductase activity will be quantified using calorimetric assay. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Anti-oxidant (Catalase) Activity in Peripheral Blood Mononuclear Cells Peripheral blood mononuclear cells will be isolated from whole blood pre and post intervention and catalase activity will be quantified using calorimetric assay. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Perceived Stress The investigators will measure perceived stress using the "Perceived Stress Scale" (PSS-10). This will be considered one of the mediators alongside sleep in the investigators' models, as the addition of other potential mediators can improve power and provide a more accurate estimate of the original (sleep) mediator by controlling for shared effects among mediators. The PSS-10 has a minimum score of "0" and a maximum score of "40" with higher scores indicating worse outcomes. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
Secondary Distress The investigators will measure distress using the "Kessler Psychological Distress Scale" (K-10). This will be considered one of the mediators alongside sleep in the investigators' models, as the addition of other potential mediators can improve power and provide a more accurate estimate of the original (sleep) mediator by controlling for shared effects among mediators. The K-10 has a minimum score of "10" and a maximum score of "50" with higher scores indicating worse outcomes. Week 0 (Pre-Intervention) and Week 7 (Post-Intervention)
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