Effects of Acute Intermittent Hypoxia on Neuroplasticity in MS

Status Not yet recruiting

Clinical Trial Summary

This study seeks to explore changes in the neural pathways and arm function following a breathing intervention in the multiple sclerosis (MS) population. The breathing intervention, known as Acute Intermittent Hypoxia (AIH), involves breathing brief bouts of low levels of oxygen. Research has found AIH to be a safe and effective intervention resulting in increased ankle strength in people with MS. Here, the study examines arm and hand function before and after AIH. In order to better understand the brain and spinal cord response to AIH, the investigators will measure muscle response, and signals sent from the brain to the arm muscles before and after AIH.

Clinical Trial Description

While AIH has shown potential in enhancing neuroplasticity in people with spinal cord injury (SCI), it has yet to be studied extensively in MS. Preliminary research in the MS population demonstrates that a single session of AIH enhances motor output, increasing voluntary muscle strength by as much as 15-20% within 60 minutes. This study will explore potential mechanisms of AIH in MS using measurements of arm function, as well as examination of corticospinal and spinal motoneuron excitability. Over the past decade, studies have found that brief episodes of modest oxygen reduction (termed AIH) can rapidly enhance neural plasticity in persons with incomplete SCI. AIH activates the serotonergic pathway, leading to increased activity of serotonin receptors and the synthesis of plasticity-related proteins. This plasticity is manifested by a rapid increase in voluntary muscle strength, emerging within 60-90 minutes, in both lower- and upper-limb muscles. The actions of AIH appear to be biologically linked to systems designed to preserve breathing systems that are impaired by damage to the central nervous system (CNS). ;

Study Design

Related Conditions & MeSH terms

Hypoxia
Multiple Sclerosis
Multiple Sclerosis, Chronic Progressive
Multiple Sclerosis, Relapsing-Remitting
Multiple Sclerosis, Secondary Progressive
Sclerosis

Clinical Trial Details

NCT number	NCT06390930
Study type	Interventional
Source	Shirley Ryan AbilityLab
Contact	rachel Kravitt, OTD, OTR/L
Phone	3122383947
Email	rkravitt@sralab.org
Status	Not yet recruiting
Phase	N/A
Start date	July 2024
Completion date	July 2027

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.