About this trial
Individuals will be recruited from the VA Portland Health Care System and the community affiliated with Oregon Health \& Science University. Traumatic brain injury status will be assessed as a contributing factor. Subjects will be randomized to one of 3 groups (BCAA or one of 2 placebo conditions) and instructed to consume study product twice daily for 21 days. Self-report questionnaires, wrist actigraphy, pressure pain testing, and cognitive function will be assessed pre and post the experimental period.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Veteran
English Speaking
Accessible via phone
Sleep problems
Disqualifiers
Decisional impairment
Nickel allergy
Maple syrup urine disease or family history of disease
Allergy to sucralose
Trial design
Parallel
Treatments tested in this trial
Branched Chain Amino Acids
Dietary supplement60 grams of BCAA (2:1:1 ratio of Leucine:Isoleucine:Valine) consumed in two doses (30 grams each) mixed into 20 oz of water for up to21days (42 total drinks).
Rice Protein
Dietary supplement60 grams of rice protein consumed in two doses (30 grams each) mixed into 20 oz of water for up to 21days (42 total drinks).
Microcrystalline Cellulose
Dietary supplement60 grams of microcrystalline cellulose, consumed in two doses (30 grams each) mixed into 20 oz of water for up to 21days (42 total drinks).
Treatment groups
Trial outcomes
Primary outcomes
Recruitment and retention rates
Number enrolled per month, proportion who complete the protocol
Rates of adherence and treatment fidelity
Proportion of subjects consuming full doses
Assessment process and patient acceptability
Proportion of questionnaires properly completed, actiwatches properly worn, and patient acceptance of protocol
Secondary outcomes
Change in Insomnia Severity Index (ISI)
Measures self-reported insomnia severity; total score range = 0-28 (higher total score = worse insomnia)
Sponsors and contacts
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