About this trial
It is estimated that 1,275,000 people in the United States alone live with spinal cord injury, including around 100,000 Veterans with spinal cord injury, making the V.A. the largest integrated health care system in the world for spinal cord injuries injury care. New therapies are needed to prevent the morbidities and mortalities associated with the high prevalence of respiratory disorders in Veterans with spinal cord injury. The current research project and future studies would set the base for developing innovative therapies for this disorder. This proposal addresses a new therapeutic intervention for sleep apnea in spinal cord injury. The investigators hypothesized that daily hypercapnia treatments improve respiratory symptoms and alleviate sleep apnea in patients with chronic spinal cord injury. The investigators will perform a pilot study to examine the impact of daily hypercapnia treatments for-two week durations among Veterans with spinal cord injury. The investigators believe that this novel approach to treating sleep apnea and will yield significant new knowledge that improves the health and quality of life of these patients.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adult patients with chronic SCI/D (>6 months post-injury)
American Spinal Injury Association (ASIA) classification A-D who have evidence of SDB (excluding those with no evidence of a neurologic deficit based on ASIA classification)
Able-bodied patients (without SCI/D0 who have OSA.
Disqualifiers
Receiving continuous mechanical ventilation (except PAP therapy which is considered usual treatment for SDB
Severe congestive heart failure with ejection fraction <35%
Recent health event that may affect sleep
stroke
Trial design
Parallel
Treatments tested in this trial
Hypercapnia treatment
Other interventionIntermittent hypercapnia treatment five days per week for two weeks.
Treatment groups
Trial outcomes
Primary outcomes
Recruitment rate
Determine the recruitment rate in the intervention arm and determine how many continue into the sham arm. (Number of patients enrolled and completed the study)
Secondary outcomes
Minute Ventilation
To measure the change in minute ventilation (L/min)
Change in sleep apnea severity
Severity of sleep apnea (Apnea-hypopnea index -events/hour)
Sponsors and contacts
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VA Office of Research and Development
Lead sponsor
VA Detroit Healthcare System
Collaborator