Cognitive Behavioral Therapy for Insomnia for the Dementia Caregiving Dyad

Disturbed sleep is stressful to persons living with dementia (PLwD) and their caregivers. It contributes to earlier placement of the PLwD in nursing homes and increase the risk for many psychological and cognitive health issues and poor quality of life for both the PLwD and the caregivers. Given the potential harmful side effects of medications, non-medication alternatives, such as Cognitive Behavioral Therapy for Insomnia (CBTi), may be safer to improve disturbed sleep in this population. CBTi which includes stimulus control, sleep compression, relaxation, sleep hygiene, and cognitive restructuring, is effective and has durable and sustained effects on sleep outcomes over the long-term. CBTi has improved sleep disturbances in PLwD and their caregivers, separately. Since disturbed sleep in the PLwD-caregiver dyad is bidirectional and interdependent, targeting the pair as a unit for intervention has the potential to lead to improved sleep and health outcomes for both persons. There is no current published research on CBTi when the PLwD and their caregivers receive the intervention at the same time; as a result, the researchers will examine the 1) feasibility; 2) acceptability; and 3) preliminary efficacy of 4-week CBTi intervention for community-dwelling PLwD and their caregivers who are both experiencing sleep disturbances. Forty PLwD-caregiver dyads will receive CBTi via videoconferencing sessions. Preliminary efficacy of the intervention will be assessed using objective (actigraphy) and subjective sleep quality measures. In addition, semi-structured interviews will be conducted to examine the acceptability and satisfaction with the intervention.

Study Overview

• Status: Completed
• Conditions: Cognitive Impairment; Dementia
• Intervention / Treatment: Behavioral: Cognitive Behavioral Therapy for Insomnia (CBTi) via Videoconference

Detailed Description

Up to 71% of the persons living with dementia (PLwD) and 70% of their caregivers experience sleep disturbances, which are distressing for both the PLwD and their caregivers. Specifically, PLwD often experience restlessness and fragmented sleep, which in turn can affect caregivers' sleep patterns leading to multiple nightly awakenings, shorter sleep duration, and/or inconsistent sleep-wake times. These disturbances increase the risk for a myriad of psychological, cognitive, behavioral, and physiological health issues and poor quality of life for the dyad. Given the interdependence of the dyadic sleep disturbances and the negative health consequences of sleep disturbances on the dyad, there is a critical need to develop and provide effective interventions to improve their sleep. Pharmacologic treatment often results in potential harmful side effects like falls and cognitive decline; therefore, non-pharmacologic approaches are recommended for this population.

Cognitive behavioral therapy for insomnia (CBTi), a non-pharmacologic intervention that has demonstrated effectiveness for improving sleep disturbances in multiple populations, is delivered in various formats including face-to-face and videoconferencing. Individually, PLwD and caregivers have successfully deployed behavioral sleep techniques, resulting in improved sleep quality. However, there is no current published research on CBTi completed simultaneously by the PLwD-caregiver dyad, and that is exactly what the researchers of this study seek to do with early-stage individuals and their caregivers. The researchers premise this effort on the notion that a dyadic intervention can use early-stage individuals' retained capacity for communication and comprehension to establish in-the-moment agreements about strategies the caregiver can employ to enact and facilitate positive sleep behaviors in the PLwD and to pair that with acquired strategies to engender his/her own positive sleep behaviors.

This project seeks to gather formative and preliminary data on CBTi delivered simultaneously to the PLwD-caregiver dyad. The researchers will use a quantitative, descriptive approach to determine the feasibility, acceptability, and preliminary efficacy of a 4-session CBTi intervention administered to 40 PLwD-caregiver dyads via videoconferencing sessions who will receive the intervention as a unit. Objective and subjective sleep, depressive symptoms, and cognitive health data will be collected at baseline, and 1 week and 3 months post-completion of the intervention.

In community-dwelling PLwD and their caregivers where both persons in the dyad self-report sleep disturbances, the specific aims for this study are:

1. Assess the feasibility of a video conferencing dyad-based CBTi intervention.
2. Evaluate the acceptability of a video conferencing dyad-based CBTi intervention.
3. Examine the preliminary efficacy of video conferencing CBTi intervention on sleep quality outcomes including sleep efficiency and perceived sleep quality.

• Study Type: Interventional
• Enrollment (Actual): 44
• Phase: Not Applicable

Contacts and Locations

Study Locations

• United States
  • Georgia
    • Atlanta, Georgia, United States, 30322
      • Emory University
    • Atlanta, Georgia, United States, 30329
      • Goizueta Alzheimer's Disease Research Center

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: All

Description

Inclusion Criteria for the PLwD

• Caregiver-reported diagnosis of cognitive impairment and Alzheimer's disease and related dementias (ADRD)
• Co-residence with the caregiver in the community
• Montreal Cognitive Assessment (MOCA) score between 12 and 25
• Stable dose of psychotropic medications, anti-dementia, sedatives/hypnotics, or opioids in the past 90 days
• Presence of sleep problems determined by using the proxy-rated Sleep Disorders Inventory (presence of at least one sleep disturbance symptom of moderate severity)

Inclusion Criteria for the Caregiver

• Informal caregivers (family/friends) of co-residing PLwD
• Providing unpaid assistance, on average 20 hours weekly, for a person in the early stage of illness who is community-dwelling
• Presence of sleep problems: sleep onset latency or wake after sleep onset more than 30 minutes more than 3 nights weekly

Inclusion Criteria for the Dyad

• Tolerate and agrees to wear wrist actigraph
• Be able to read, speak and understand English
• Have no uncorrectable vision or hearing deficits that might impede participation

Exclusion Criteria for the PLwD

• None

Exclusion Criteria for the Caregivers

• Moderate to severe cognitive impairment defined as MoCA score <17
• Current sedative-hypnotic or other sleep aid use on a regular or as needed schedule within the prior three months
• Presence of an acute medical or psychiatric condition which would interfere with the subject's ability to realistically follow the study protocol

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Supportive Care
• Allocation: Non-Randomized
• Interventional Model: Parallel Assignment
• Masking: None (Open Label)

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: PLwD Cognitive Behavioral Therapy for Insomnia (CBTi); Persons living with dementia in a dyad receiving the CBTi intervention in a videoconferencing format.	Behavioral: Cognitive Behavioral Therapy for Insomnia (CBTi) via Videoconference; The CBTi protocol will include stimulus control, sleep compression, relaxation, sleep hygiene, and cognitive restructuring which will be done over 4 weeks with one session weekly delivered via videoconference.
Experimental: Caregiver Cognitive Behavioral Therapy for Insomnia (CBTi); Caregivers in a dyad receiving the CBTi intervention in a videoconferencing format.	Behavioral: Cognitive Behavioral Therapy for Insomnia (CBTi) via Videoconference; The CBTi protocol will include stimulus control, sleep compression, relaxation, sleep hygiene, and cognitive restructuring which will be done over 4 weeks with one session weekly delivered via videoconference.

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Change in Adherence with Study Interventions	Feasibility of the interventions will be assessed with rates of adherence to the study components weekly and over the 4 weeks	Weeks 1, 2, 3, 4
Percent Attrition from the Study	Feasibility of the interventions will be assessed with the percent of participants leaving the study over the 4 week intervention.	Week 4
Acceptability the Intervention	Acceptability of the interventions will be assessed with a qualitative interview with caregivers after completing the intervention. There is not a summary score for the open-ended questions asked during the interview.	Week 5 (1 week post-intervention)

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Change in Sleep Disorders Inventory (SDI) - Frequency Score	The SDI asks caretakers to report the frequency that eight symptoms of insomnia have been exhibited by the PLwD in the past two weeks. Responses range from 0 to 4 where 0 = not present and 4 = every night. Total frequency scores range from 0 to 32 with higher scores indicating more frequent symptoms of insomnia.	Baseline, Week 5 (1 week post-intervention), Month 4 (1 month post-intervention)
Change in Sleep Disorders Inventory (SDI) - Severity Score	The SDI asks caretakers to report the severity of eight symptoms of insomnia being exhibited by the PLwD in the past two weeks. Responses range from 0 to 3 where 0 = not present and 3 = marked. Total frequency scores range from 0 to 24 with higher scores indicating more severe symptoms of insomnia.	Baseline, Week 5 (1 week post-intervention), Month 4 (1 month post-intervention)
Change in Sleep Disorders Inventory (SDI) - Caregiver Distress Score	The SDI asks caretakers to report the amount of distress they are experiencing due to eight symptoms of insomnia being exhibited by the PLwD in the past two weeks. Responses range from 0 to 5 where 0 = not at all and 5 = extremely. Total frequency scores range from 0 to 40 with higher scores indicating more severe caregiver distress.	Baseline, Week 5 (1 week post-intervention), Month 4 (1 month post-intervention)
Change in Insomnia Severity Index Score	The Insomnia Severity Index includes 7 questions asking about insomnia during the past two weeks. Responses are given on a scale from 0 to 4 where 0 = no problems and 4 = the most extreme problems. Total scores range from 0 to 28 where higher scores indicate greater problems with insomnia.	Baseline, Week 5 (1 week post-intervention), Month 4 (1 month post-intervention)
Change in 12-Item Short Form-12 (SF-12v2) Health Survey Score	The SF-12 Health Survey includes 12 items asking respondents how they have been feeling and activities they are doing. Physical and mental health composite scores are computed and range from 0 to 100 where 100 is the highest level of health. The computed composite scores can be compared with a national norm with a mean of 50 and a standard deviation of 10.	Baseline, Week 5 (1 week post-intervention), Month 4 (1 month post-intervention)
Change in Center for Epidemiologic Studies Depression Scale (CES-D) Score	The CES-D includes 20 items asking respondents how frequently they felt symptoms of depression during the past week. Responses are given on a scale from 0 to 3 where 0 = rarely or none of the time and 3 = most or all of the time. Certain items are reverse scored so that lower scores equate to lower symptom frequency. Total scores range from 0 to 60 with higher scores indicating greater symptoms of depression.	Baseline, Week 5 (1 week post-intervention), Month 4 (1 month post-intervention)
Change in Sleep Duration	Participants will wear an actigraph for two weeks before the intervention starts and for the duration of the intervention. Sleep duration (minutes per night) will be assessed with actigraphy.	Baseline (for two weeks prior to the intervention), Day 1 through Week 4
Change in Sleep Fragmentation Index	Participants will wear an actigraph for two weeks before the intervention starts and for the duration of the intervention. The sleep fragmentation index (number of awakenings and sleep stage shifts divided by sleep time) will be assessed with actigraphy.	Baseline (for two weeks prior to the intervention), Day 1 through Week 4
Change in Sleep Onset Latency	Participants will wear an actigraph for two weeks before the intervention starts and for the duration of the intervention. Sleep onset latency (the length of time, in minutes, that it takes to transition from wakefulness to sleep) will be assessed with actigraphy.	Baseline (for two weeks prior to the intervention), Day 1 through Week 4
Change in Wake After Sleep Onset	Participants will wear an actigraph for two weeks before the intervention starts and for the duration of the intervention. Wake after sleep onset (periods of wakefulness occurring after sleep onset) will be assessed with actigraphy.	Baseline (for two weeks prior to the intervention), Day 1 through Week 4
Change in Bed Time	Participants will wear an actigraph for two weeks before the intervention starts and for the duration of the intervention. Bed time will be assessed with actigraphy.	Baseline (for two weeks prior to the intervention), Day 1 through Week 4
Change in Wake Time	Participants will wear an actigraph for two weeks before the intervention starts and for the duration of the intervention. Wake time will be assessed with actigraphy.	Baseline (for two weeks prior to the intervention), Day 1 through Week 4

Collaborators and Investigators

• Sponsor: Emory University
• Collaborators: Alzheimer's Association
• Investigators: Principal Investigator: Glenna Brewster, PhD, RN, Emory University

Study record dates

Study Major Dates

• Study Start (Actual): September 30, 2020
• Primary Completion (Actual): March 10, 2023
• Study Completion (Actual): March 10, 2023

Study Registration Dates

• First Submitted: June 9, 2020
• First Submitted That Met QC Criteria: June 9, 2020
• First Posted (Actual): June 11, 2020

Study Record Updates

• Last Update Posted (Actual): March 20, 2023
• Last Update Submitted That Met QC Criteria: March 17, 2023
• Last Verified: March 1, 2023

More Information

Terms related to this study

• Keywords: Insomnia; Caregiver; Cognitive impairment; Cognitive behavioral therapy for insomnia
• Additional Relevant MeSH Terms: Mental Disorders; Brain Diseases; Central Nervous System Diseases; Nervous System Diseases; Sleep Disorders, Intrinsic; Dyssomnias; Sleep Wake Disorders; Neurocognitive Disorders; Cognition Disorders; Sleep Initiation and Maintenance Disorders; Dementia; Cognitive Dysfunction
• Other Study ID Numbers: IRB00115210

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No