Breathing low oxygen to improve movement after spinal injury

Mechanisms of Intermittent Hypoxia-induced Motor Recovery in Persons With SCI

Not applicable Interventional Spaulding Rehabilitation Hospital · NCT02323945

This study is testing if breathing low oxygen for short periods can help people with chronic spinal cord injuries improve their movement and walking ability when combined with exercise.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment44 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorSpaulding Rehabilitation Hospital Academic / other
Locations1 site (Cambridge, Massachusetts)
Trial IDNCT02323945 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of breathing low oxygen levels in brief bouts, known as intermittent hypoxia, on improving motor function and spinal plasticity in individuals with chronic spinal cord injuries. The research aims to understand how this treatment can enhance walking ability and muscle coordination, particularly when combined with walking or strength training. Participants will undergo a series of interventions to assess the impact of intermittent hypoxia on their mobility and strength over a defined period.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 to 75 with motor-incomplete spinal cord injuries that are stable and have visible leg movement.

Not a fit: Patients with severe concurrent medical conditions, pregnant women, or those with a history of seizures or brain injury may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lead to significant improvements in mobility and quality of life for patients with spinal cord injuries.

How similar studies have performed: Previous studies have shown promising results with intermittent hypoxia in enhancing motor function in spinal cord injury patients, suggesting a potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 18 and 75 years (the latter to reduce likelihood of heart disease)
* Medical clearance to participate
* Lesion at or below C2 and above T12 with non-progressive etiology
* Classified as motor-incomplete with visible volitional leg movement
* Injury greater than 1 year

Exclusion Criteria:

* Concurrent severe medical illness (i.e., infection, cardiovascular disease, ossification, recurrent autonomic dysreflexia, unhealed decubiti, and history of pulmonary complications)
* Pregnant women because of the unknown affects of AIH on pregnant women and fetus
* History of seizures, brain injury, and/or epilepsy
* Undergoing concurrent physical therapy
* Diabetes
* Cirrhosis
* Caffeine and/or NSAID allergies or intolerances

Where this trial is running

Cambridge, Massachusetts

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Spinal Cord Injuriesacute intermittent hypoxiaincomplete spinal cord injurystrengthwalkingbreathing
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.