Sleep Quality, Heart Rate Variability and Anxiety Following Brain Injury
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04652895 |
Recruitment Status :
Recruiting
First Posted : December 3, 2020
Last Update Posted : December 19, 2020
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Condition or disease |
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Traumatic Brain Injury Anxiety |
Study Type : | Observational |
Estimated Enrollment : | 100 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Sleep Quality, Heart Rate Variability and Anxiety Following Brain Injury |
Actual Study Start Date : | December 16, 2020 |
Estimated Primary Completion Date : | March 15, 2021 |
Estimated Study Completion Date : | June 15, 2021 |
Group/Cohort |
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Moderate-to-severe traumatic brain injury inpatients
Moderate-to-severe traumatic brain injury inpatients
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- anxiety [ Time Frame: 48 hours ]self-reported anxiety survey
- heart rate variability [ Time Frame: 48 hours ]Skin biosensor on patient chest, measuring heart rate over 6 minute interval while patient is awake and resting. Then heart rate variability is calculated based on the R-R interval.
- sleep [ Time Frame: 48 hours ]self-reported sleep survey. Also skin biosensor measuring heart rate and accelerometer overnight for 2 consecutive nights. Total sleep time and awakening episodes will be derived from the biosensor data.
- post-traumatic stress disorder (PTSD) [ Time Frame: 48 hours ]self-reported survey of PTSD symptoms

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
Inclusion Criteria:
- traumatic brain injury
- injury within past 6 months
- medically stable
- able to communicate
Exclusion Criteria:
- on medication: beta-blocker
- adverse skin reaction to biosensor adhesive
- non-English speaking
- pregnant women
- prisoners

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04652895
Contact: Jamie L Ott, DO | 847-703-0503 | jott@sralab.org | |
Contact: David L Ripley, MD | 312-238-2091 | dripley@sralab.org |
United States, Illinois | |
Shirley Ryan Ability Lab | Recruiting |
Chicago, Illinois, United States, 60611 | |
Contact: Jamie Ott, DO 312-600-7391 jott@sralab.org | |
Contact: David Ripley, MD 312-238-1000 dripley@ric.org |
Documents provided by David Ripley, Shirley Ryan AbilityLab:
Responsible Party: | David Ripley, Principle Investigator, Shirley Ryan AbilityLab |
ClinicalTrials.gov Identifier: | NCT04652895 |
Other Study ID Numbers: |
STU00212891 |
First Posted: | December 3, 2020 Key Record Dates |
Last Update Posted: | December 19, 2020 |
Last Verified: | December 2020 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
heart rate variability sleep |
Brain Injuries Brain Injuries, Traumatic Wounds and Injuries Anxiety Disorders Mental Disorders |
Brain Diseases Central Nervous System Diseases Nervous System Diseases Craniocerebral Trauma Trauma, Nervous System |