Insomnia, Primary Clinical Trial
Official title:
Double-Blind, Sham-Controlled Crossover Pilot Study of Low Field Magnetic Stimulation (LFMS) on Subjective and Objective Measures of Sleep
Verified date | February 2020 |
Source | Medical University of South Carolina |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Participants will be recruited and screened through ongoing studies in the sleep and anxiety disorders clinic. Participants with insomnia will be consented to complete several questionnaires, undergo a brief physical exam, provide a urinalysis, and undergo 5 nights of active or sham Low Field Magnetic Stimulation (LFMS) followed by an overnight sleep study. Each of the two treatment conditions (active versus sham) will be conducted on two consecutive nights. There will be no more than 7 days between the adaptation night and the first treatment condition and no more than 7 nights between each of the two-night treatment conditions . Thus, each participant who completes the full study will spend a total of 5 nights in the sleep laboratory and the time interval from the first adaptation night to completion of the study may range from 5-19 days for any particular individual.
Status | Terminated |
Enrollment | 12 |
Est. completion date | December 2018 |
Est. primary completion date | December 2018 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility |
Inclusion Criteria: - Insomnia diagnosis per DSM-5 criteria - Performing tasks in a timely manner (compared to the person's usual level of performance) - Pittsburgh Sleep Quality Index (PSQI) > 6 and one of the following: - Sleep Efficiency < 85% (per Consensus Sleep Diary) - Insomnia Severity Index (ISI) score > 15 - Sleep latency (subjective) and/or time awake after sleep onset (subjective) >30 minutes. - Not currently depressed (previous major depressive episodes and current antidepressant medication permitted as long as remission and current medication dosage has been stable for = 1 month). - Willing to refrain from alcohol for twenty-four hours before presenting to sleep lab for sleep studies - BMI > 18 and < 50 kg/m2 Exclusion Criteria: - Current major depressive episode - Current substance-induced depressive disorder - Self-reported use of benzodiazepines or hypnotic drugs in last two weeks - Self-reported use of marijuana in previous 72 hours - Alcohol Use Disorders Identification Test (AUDIT) score > 10 - Fagerstrom Test for Nicotine Dependence (FTND) score > 4 - Insomnia limited to early morning awakening (without difficulty initiating or maintaining sleep), - Narcolepsy - Seizure Disorder (not including childhood febrile seizures) - Recent treatment with anticonvulsant medications - Obstructive or central sleep apnea - Circadian rhythm sleep-wake disorders - Recurrent isolated sleep paralysis - Current substance-induced insomnia - Chronic pain disorder - Daily Caffeine Consumption > 500 mg/d (Uhde, 1989) - Restless legs syndrome - Periodic Leg Movement Disorder - Benzodiazepines or antipsychotic medications during past 30 days - Presence of drugs of abuse (excluding marijuana, urinalysis) - Pregnancy or plans to become pregnant - History of severe allergic reactions to adhesive tape - History of neurological disorder - Conductive, ferromagnetic or other magnetic-sensitive metals in the head, neck, chest, upper arms, or any area that will be within 18 inches of the treatment coil. |
Country | Name | City | State |
---|---|---|---|
United States | Medical University of South Carolina | Charleston | South Carolina |
Lead Sponsor | Collaborator |
---|---|
Medical University of South Carolina | Tal Medical, Inc. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Sleep Onset Latency (SOL) After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | SOL is the time of transition from wake to sleep (non-REM S1) measured in minutes; a validated objective measure extracted directly from full-night polysomnography (PSG). SOL of 0-5min is associated with severe sleep deprivation; 5-10min is moderate sleep debt; 10-15min indicates mild sleep debt; 15-20min is little-to-no sleep debt; and >20min is considered to be associated with no sleep debt. | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Primary | Wake After Sleep Onset (WASO) After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | Total time awake after initial sleep onset in minutes; validated objective measure directly extracted from polysomnography (PSG); we average measures from both consecutive nights under each of the two interventions (Sham or Active LFMS) | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Primary | Total Sleep Time (TST) After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | Total Sleep Time is the total time spent sleeping (non-wake stages S1-S5) in minutes; validated objective measure directly extracted from polysomnography (PSG). | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Primary | Sleep Efficiency (SE) After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | Sleep Efficiency (SE) is an objective measure of sleep quality derived from polysomnography (PSG); it is a unitless measure defined as the total sleep time (TST) divided by total time in bed (TiB); it can theoretically range from 0 (no sleep at all) to 1 (slept the entire time in bed). Values close to zero indicate very little time spent sleeping while values close to one indicate a large sleep utilization while in bed. | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Primary | Ease of Sleep (EOS) After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | Ease of Sleep (EOS) is assessed after each night as a subjective measure; participants self-rate their ease to fall asleep on a visual analog scale 0-100mm where 0mm is associated with not easy at all (no sleep) and 100mm is associated with no problems to fall asleep. EOS is a proxy measure for a participants sleepiness. | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Primary | MUSC Sleep Quality Score (SQS) After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | MUSC Sleep Quality Score (SQS) is assessed after each night as a subjective measure; participants self-rate their perceived sleep quality on a 0-6 scale where 0 is associated with extremely poor sleep quality and 6 is associated with extremely good sleep quality. | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Secondary | Number of Awakenings (#Awake) After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | Number of Awakenings (#awake) is the integer number of nocturnal awakenings after initial sleep onset, i.e. a count. | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Secondary | Fatigue After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | Participants rate after each night how fatigued they feel on a 0-100mm continuous scale; 0mm not at all; 100mm very/a lot. | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS | |
Secondary | Concentration After Sham vs. Active LFMS (Each Averages of Two Consecutive Nights); and Difference From Baseline (Adaptation Night) | Participants rate after each night their ability to concentrate on a 0-100mm continuous scale; 0mm not at all; 100mm very/a lot. This is a subjective proxy measure for a restorative sleep / sleep quality. | Each night (5 nights total): Baseline (adaptation night #1), First Intervention (nights #2,#3), Second Intervention (nights #4,#5); Interventions randomized Sham or Active LFMS |
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