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Yoga, Survivorship Health Education, and Cognitive Behavioral Therapy in Reducing Insomnia in Cancer Survivors

A Randomized Clinical Trial Comparing the Effectiveness of Yoga, Survivorship Health Education, and Cognitive Behavioral Therapy for Treating Insomnia in Cancer Survivors

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02613364
Acronym
YOCAS-II
Enrollment
746
Registered
2015-11-24
Start date
2016-08-31
Completion date
2020-02-04
Last updated
2024-05-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cancer Survivor, Insomnia, Malignant Neoplasm

Brief summary

This randomized phase III trial compares yoga, survivorship health education program, and cognitive behavioral therapy in reducing sleep disturbance (insomnia) in cancer survivors. Insomnia can be described as excessive daytime napping, difficulty falling asleep, difficulty staying asleep, or waking up earlier than desired. Insomnia can increase fatigue, impair physical function, impair immune function, cause circadian rhythms (known as the biological clock) to be disrupted and decrease quality of life. Yoga may improve circadian rhythms, physical and immune function, and improve insomnia and sleep quality in cancer survivors. It is not yet known whether yoga is more effective at treating insomnia than a health education program or cognitive behavioral therapy program.

Detailed description

PRIMARY OBJECTIVES: I. To determine if Yoga for Cancer Survivors (YOCAS) is effective for improving patient-reported insomnia (Insomnia Severity Index) compared to Cognitive Behavioral Therapy for Insomnia (CBT-I) and a health education control immediately post intervention. SECONDARY OBJECTIVES: I. To examine if YOCAS is effective for improving objective symptoms of insomnia (sleep latency, sleep efficiency, wake after sleep onset, sleep duration, and daytime napping via actigraphy) and global sleep quality impairment (Pittsburgh Sleep Quality Index) compared to CBT-I and a health education control. II. To examine if YOCAS and CBT-I are effective for maintaining improvements in insomnia (Insomnia Severity Index) 3 and 6 months post intervention compared to a health education control. OUTLINE: Patients are randomized to 1 of 3 arms. ARM I: Patients undergo the YOCAS intervention comprising 18 specific physical postures and mindfulness exercises focused on breathing and meditation and meet with the yoga instructor over 75 minutes 2 times a week for 4 weeks. ARM II: Patients undergo CBT-I intervention comprising sleep education, sleep hygiene, sleep restriction, stimulus control, cognitive therapy, and relapse prevention delivered by a health professional over 90 minutes once a week for 8 weeks. ARM III: Patients attend survivorship health education sessions over 75 minutes 2 times a week for 4 weeks based on the American Society of Clinical Oncology cancer survivorship educational recommendations delivered by a community health educator. Patients also receive a booklet entitled, Cancer Survivorship Next Steps for Patients and Their Families. After completion of intervention, patients are followed up at 3 and 6 months.

Interventions

BEHAVIORALBehavioral Intervention

Undergo yoga intervention

OTHERCognitive Intervention

Undergo CBT-I intervention

OTHEREducational Intervention

Receive health education

OTHERLaboratory Biomarker Analysis

Correlative studies

Correlative studies

OTHERQuality-of-Life Assessment

Ancillary studies

Sponsors

National Cancer Institute (NCI)
CollaboratorNIH
University of Rochester NCORP Research Base
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SUPPORTIVE_CARE
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Have a confirmed diagnosis of cancer * Have received surgery, chemotherapy, and/or radiation therapy * Have completed all surgery, chemotherapy and/or radiation therapy within the last 2-60 months * Meet Diagnostic and Statistical Manual of Mental Disorders (DSM)-V criteria for insomnia and score \>= 10 on the Insomnia Severity Index * Be able to read and understand English * Be able to provide written informed consent

Exclusion criteria

* Have contraindications to functional testing or yoga participation according to the treating physician * Have practiced yoga \>= 1 day a week within the 3 months prior to enrolling in the study * Be planning to start yoga on their own during the time they are enrolled in the study * Have a confirmed diagnosis of sleep apnea or restless leg syndrome * Be receiving any form of treatment for cancer with the exception of hormonal or biologic therapy * Have distant metastases

Design outcomes

Primary

MeasureTime frameDescription
Mean Change in the ISI Comparing YOCAS vs. CBT-IBaseline up to post intervention (approximately 4 to 8 weeks)The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. Means and 95% confidence intervals for YOCAS and CBT-I will be calculated and plotted and examined in comparison with the a priori specified non-inferiority margin of 1.15.
Mean Change in the ISI Comparing YOCAS vs. Health EducationBaseline up to post intervention (approximately 4 to 8 weeks)The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.

Secondary

MeasureTime frameDescription
Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. Health EducationBaseline up to post intervention (approximately 4 to 8 weeks)The PSQI measures sleep quality with a total score ranging from 0-21 with higher scores indicating worse sleep quality. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.
Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. CBT-I.Baseline up to post intervention (approximately 4 to 8 weeks)The PSQI measures sleep quality with a total score ranging from 0-21 with higher scores indicating worse sleep quality. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.
Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. Health EducationBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure the number of minutes of actual sleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.
Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. CBT-IBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure the number of minutes of actual sleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.
Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. Health EducationBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure total minutes of wake time after sleep onset. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education. The transformation of the log base 10 of the original measurement was used for the analysis.
Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. CBT-IBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure total minutes of wake time after sleep onset. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I. The transformation of log base 10 of the original measurement was used for the analysis.
Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. Health EducationBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure the percent of time actually slept compared to intended time sleeping. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.
Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. CBT-IBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure the percent of time actually slept compared to intended time sleeping. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.
Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. Health EducationBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure the minutes it takes for the participant to fall asleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education. The transformation of log base 10 of the (measurement + 1) was used in the analysis.
Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. CBT-IBaseline up to post intervention (approximately 4 to 8 weeks)Actigraphy will measure the minutes it takes for the participant to fall asleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I. The transformation of the log base 10 of the (measure + 1) was used in the analysis.
Mean Change in the ISI Comparing YOCAS and Health Education (3 Month)Baseline to 3 monthsThe Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.
Mean Change in the ISI Comparing YOCAS and CBT-I (3 Month)Baseline to 3 monthsThe Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.
Mean Change in the ISI Comparing YOCAS and Health Education (6 Month)Baseline to 6 monthsThe Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.
Mean Change in the ISI Comparing YOCAS and CBT-I (6 Month)Baseline to 6 monthsThe Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.

Countries

United States

Participant flow

Pre-assignment details

6 participants were registered but not eligible.

Participants by arm

ArmCount
Arm I (Behavioral Intervention-yoga)
Patients undergo the YOCAS intervention comprising 18 specific physical postures and mindfulness exercises focused on breathing and meditation and meet with the yoga instructor over 75 minutes 2 times a week for 4 weeks. Behavioral Intervention: Undergo yoga intervention Laboratory Biomarker Analysis: Correlative studies Monitoring Device: Correlative studies Quality-of-Life Assessment: Ancillary studies
251
Arm II (Cognitive Intervention-CBT-I)
Patients undergo CBT-I intervention comprising sleep education, sleep hygiene, sleep restriction, stimulus control, cognitive therapy, and relapse prevention delivered by a health professional over 90 minutes once a week for 8 weeks. Cognitive Intervention: Undergo CBT-I intervention Laboratory Biomarker Analysis: Correlative studies Monitoring Device: Correlative studies Quality-of-Life Assessment: Ancillary studies
238
Arm III (Educational Intervention)
Patients attend survivorship health education sessions over 75 minutes 2 times a week for 4 weeks based on the American Society of Clinical Oncology cancer survivorship educational recommendations delivered by a community health educator. Patients also receive a booklet entitled, Cancer Survivorship Next Steps for Patients and Their Families. Educational Intervention: Receive health education Laboratory Biomarker Analysis: Correlative studies Monitoring Device: Correlative studies Quality-of-Life Assessment: Ancillary studies
251
Total740

Withdrawals & dropouts

PeriodReasonFG000FG001FG002
Overall StudyDisliked Intervention033
Overall StudyDisliked Study Procedure114
Overall StudyMedical12139
Overall StudyOther192917
Overall StudyToo time consuming212626
Overall StudyWithdrawal by Subject131817

Baseline characteristics

CharacteristicArm I (Behavioral Intervention-yoga)Arm II (Cognitive Intervention-CBT-I)Arm III (Educational Intervention)Total
Age, Continuous55 years56 years57 years56 years
ISI at Baseline15.41 units on a scale
STANDARD_DEVIATION 4.34
15.57 units on a scale
STANDARD_DEVIATION 4.35
15.39 units on a scale
STANDARD_DEVIATION 4.39
15.45 units on a scale
STANDARD_DEVIATION 4.35
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants2 Participants2 Participants4 Participants
Race (NIH/OMB)
Asian
5 Participants3 Participants3 Participants11 Participants
Race (NIH/OMB)
Black or African American
29 Participants26 Participants28 Participants83 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
2 Participants0 Participants0 Participants2 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants0 Participants4 Participants6 Participants
Race (NIH/OMB)
White
213 Participants207 Participants214 Participants634 Participants
Region of Enrollment
United States
251 participants238 participants251 participants740 participants
Sex: Female, Male
Female
234 Participants216 Participants236 Participants686 Participants
Sex: Female, Male
Male
17 Participants22 Participants15 Participants54 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 2510 / 2380 / 251
other
Total, other adverse events
0 / 2510 / 2380 / 251
serious
Total, serious adverse events
3 / 2511 / 2381 / 251

Outcome results

Primary

Mean Change in the ISI Comparing YOCAS vs. CBT-I

The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. Means and 95% confidence intervals for YOCAS and CBT-I will be calculated and plotted and examined in comparison with the a priori specified non-inferiority margin of 1.15.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is higher than the number of participants who completed the study because the timeframe for this outcome measure was from baseline up to post-intervention. Some participants withdrew after the post-intervention assessment.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in the ISI Comparing YOCAS vs. CBT-I-3.61 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in the ISI Comparing YOCAS vs. CBT-I-7.22 units on a scale
Arm III (Educational Intervention)Mean Change in the ISI Comparing YOCAS vs. CBT-I-2.19 units on a scale
Comparison: Constructed a 95% confidence interval on the mean change of ISI from baseline between the arms (YOCAS - CBT-I). If the lower bound of the interval is less than 1.5 then we conclude that YOCAS is non-inferior.p-value: <0.000195% CI: [2.66, 4.37]Mixed Models Analysis
Primary

Mean Change in the ISI Comparing YOCAS vs. Health Education

The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is higher than the number of participants who completed the study because the timeframe for this outcome measure was from baseline up to post-intervention. Some participants withdrew after the post-intervention assessment.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in the ISI Comparing YOCAS vs. Health Education-3.61 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in the ISI Comparing YOCAS vs. Health Education-7.22 units on a scale
Arm III (Educational Intervention)Mean Change in the ISI Comparing YOCAS vs. Health Education-2.19 units on a scale
Comparison: The comparison of YOCAS to the health education control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.000995% CI: [-2.23, -0.58]Mixed Models Analysis
Secondary

Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. CBT-I.

The PSQI measures sleep quality with a total score ranging from 0-21 with higher scores indicating worse sleep quality. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is higher than the number of participants who completed the study because the timeframe for this outcome measure was from baseline up to post-intervention. Some participants withdrew after the post-intervention assessment.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. CBT-I.-1.59 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. CBT-I.-3.82 units on a scale
Arm III (Educational Intervention)Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. CBT-I.-1.11 units on a scale
Comparison: The comparison of YOCAS to CBT-I is a traditional null hypothesis of no difference with a two-sided alpha.p-value: <0.000195% CI: [1.7, 2.75]Mixed Models Analysis
Secondary

Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. Health Education

The PSQI measures sleep quality with a total score ranging from 0-21 with higher scores indicating worse sleep quality. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is higher than the number of participants who completed the study because the timeframe for this outcome measure was from baseline up to post-intervention. Some participants withdrew after the post-intervention assessment.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. Health Education-1.59 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. Health Education-3.82 units on a scale
Arm III (Educational Intervention)Mean Change in Global Sleep Quality Impairment as Measured by the Pittsburgh Sleep Quality Inventory (PSQI) Total Score Comparing YOCAS vs. Health Education-1.11 units on a scale
Comparison: The comparison of YOCAS to the health education control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.0795% CI: [-0.98, 0.04]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. CBT-I

Actigraphy will measure the number of minutes of actual sleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. CBT-I395.99 minutes
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. CBT-I380.06 minutes
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. CBT-I376.27 minutes
p-value: 0.025895% CI: [1.93, 29.94]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. Health Education

Actigraphy will measure the number of minutes of actual sleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. Health Education395.99 minutes
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. Health Education380.06 minutes
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Sleep Duration Via Actigraphy Comparing YOCAS vs. Health Education376.27 minutes
Comparison: The comparison of YOCAS to the health education control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.005295% CI: [5.91, 33.54]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. CBT-I

Actigraphy will measure the percent of time actually slept compared to intended time sleeping. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. CBT-I81.65 percent of time
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. CBT-I82.42 percent of time
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. CBT-I79.38 percent of time
Comparison: The comparison of YOCAS to CBT-I is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.4995% CI: [-2.97, 1.43]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. Health Education

Actigraphy will measure the percent of time actually slept compared to intended time sleeping. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. Health Education81.65 percent of time
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. Health Education82.42 percent of time
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Sleep Efficiency Via Actigraphy Comparing YOCAS vs. Health Education79.38 percent of time
Comparison: The comparison of YOCAS to the health education control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.0495% CI: [0.09, 4.44]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. CBT-I

Actigraphy will measure the minutes it takes for the participant to fall asleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I. The transformation of the log base 10 of the (measure + 1) was used in the analysis.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. CBT-I0.76 minutes
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. CBT-I0.74 minutes
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. CBT-I0.80 minutes
Comparison: The comparison of YOCAS to CBT-I is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.795% CI: [-0.07, 0.11]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. Health Education

Actigraphy will measure the minutes it takes for the participant to fall asleep. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education. The transformation of log base 10 of the (measurement + 1) was used in the analysis.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. Health Education0.76 minutes
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. Health Education0.74 minutes
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Sleep Latency Via Actigraphy Comparing YOCAS vs. Health Education0.80 minutes
Comparison: The comparison of YOCAS to the health education control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.4395% CI: [-0.13, 0.05]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. CBT-I

Actigraphy will measure total minutes of wake time after sleep onset. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I. The transformation of log base 10 of the original measurement was used for the analysis.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. CBT-I1.85 minutes
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. CBT-I1.81 minutes
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. CBT-I1.86 minutes
Comparison: The comparison of YOCAS to the CBT-I control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.0795% CI: [-0.004, 0.098]Mixed Models Analysis
Secondary

Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. Health Education

Actigraphy will measure total minutes of wake time after sleep onset. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education. The transformation of the log base 10 of the original measurement was used for the analysis.

Time frame: Baseline up to post intervention (approximately 4 to 8 weeks)

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to the actigraphy device malfunction or battery issue and participant non-compliance.

ArmMeasureValue (LEAST_SQUARES_MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. Health Education1.85 minutes
Arm II (Cognitive Intervention-CBT-I)Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. Health Education1.81 minutes
Arm III (Educational Intervention)Mean Change in Objective Symptoms of Insomnia- Wake After Sleep Onset Via Actigraphy Comparing YOCAS vs. Health Education1.86 minutes
p-value: 0.9295% CI: [-0.053, 0.048]Mixed Models Analysis
Secondary

Mean Change in the ISI Comparing YOCAS and CBT-I (3 Month)

The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.

Time frame: Baseline to 3 months

Population: The overall number of participants analyzed in arms I \& II is higher than the number of participants who completed the study. This difference is due to some participants withdrew after this outcome measure was collected. The overall number of participants analyzed in arm III is lower than the number of participants who completed the study. This difference is due to participant non-compliance.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in the ISI Comparing YOCAS and CBT-I (3 Month)-5.02 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in the ISI Comparing YOCAS and CBT-I (3 Month)-7.59 units on a scale
Arm III (Educational Intervention)Mean Change in the ISI Comparing YOCAS and CBT-I (3 Month)-3.56 units on a scale
Comparison: The comparison of YOCAS to CBT-I is a traditional null hypothesis of no difference with a two-sided alpha.p-value: <0.000195% CI: [1.61, 3.81]Mixed Models Analysis
Secondary

Mean Change in the ISI Comparing YOCAS and CBT-I (6 Month)

The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and CBT-I.

Time frame: Baseline to 6 months

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to participant non-compliance.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in the ISI Comparing YOCAS and CBT-I (6 Month)-5.29 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in the ISI Comparing YOCAS and CBT-I (6 Month)-7.93 units on a scale
Arm III (Educational Intervention)Mean Change in the ISI Comparing YOCAS and CBT-I (6 Month)-3.91 units on a scale
Comparison: The comparison of YOCAS to CBT-I is a traditional null hypothesis of no difference with a two-sided alpha.p-value: <0.000195% CI: [1.54, 4.02]Mixed Models Analysis
Secondary

Mean Change in the ISI Comparing YOCAS and Health Education (3 Month)

The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.

Time frame: Baseline to 3 months

Population: The overall number of participants analyzed in arms I \& II is higher than the number of participants who completed the study. This difference is due to some participants withdrew after this outcome measure was collected. The overall number of participants analyzed in arm III is lower than the number of participants who completed the study. This difference is due to participant non-compliance.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in the ISI Comparing YOCAS and Health Education (3 Month)-5.02 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in the ISI Comparing YOCAS and Health Education (3 Month)-7.59 units on a scale
Arm III (Educational Intervention)Mean Change in the ISI Comparing YOCAS and Health Education (3 Month)-3.56 units on a scale
Comparison: The comparison of YOCAS to the health education control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.004195% CI: [-2.65, -0.5]Mixed Models Analysis
Secondary

Mean Change in the ISI Comparing YOCAS and Health Education (6 Month)

The Insomnia Severity Index is a validated measure of insomnia. A 5-point Likert scale of 7 questions is used to rate each item (e.g., 0 = no problem; 4 = very severe problem), yielding a total score ranging from 0 to 28 with higher scores indicating higher severity of insomnia. A linear mixed effects ANCOVA will be used to assess the statistical significance of the differences in mean change between YOCAS and health education.

Time frame: Baseline to 6 months

Population: The overall number of participants analyzed is lower than the number of participants who completed the study. This difference is due to participant non-compliance.

ArmMeasureValue (MEAN)
Arm I (Behavioral Intervention-yoga)Mean Change in the ISI Comparing YOCAS and Health Education (6 Month)-5.29 units on a scale
Arm II (Cognitive Intervention-CBT-I)Mean Change in the ISI Comparing YOCAS and Health Education (6 Month)-7.93 units on a scale
Arm III (Educational Intervention)Mean Change in the ISI Comparing YOCAS and Health Education (6 Month)-3.91 units on a scale
Comparison: The comparison of YOCAS to the health education control is a traditional null hypothesis of no difference with a two-sided alpha.p-value: 0.010895% CI: [-2.78, -0.36]Mixed Models Analysis

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026