<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15679</id><no>HIT/AIH</no><status>Open</status><title>Enhancing Functional Recovery: Acute Intermittent Hypoxia and High-Intensity Gait Training</title><secondary_protocol_no>STUDY00007741</secondary_protocol_no><sponsor_type>Institutional</sponsor_type><age_group>Adult</age_group><treatment_type>Other</treatment_type><phase>N/A</phase><scope>Local</scope><disease_site>Other</disease_site><PI>Bowersox, Carlin; Bowersox, Carlin; Bowersox, Carlin</PI><institution>Medstar National Rehabilitation Hospital : Christopher Riegner</institution><management_group>MedStar Neuroscience &amp; Rehab Research Network</management_group><item><contact_id>15166</contact_id><item_description>Christopher Riegner</item_description><js_safe_str>Christopher Riegner</js_safe_str><email>christopher.r.riegner@medstar.net</email></item></protocol><sipVersion>2026.1.0 Build 16</sipVersion><copyright> &lt;a href="https://advarra.com" target="_blank"&gt;&amp;copy; 2026 Advarra, Inc.&lt;/a&gt; </copyright></protocol_summary>