<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15844</id><no>ALZ-NET</no><status>Open</status><title>Alzheimer's Network for Treatment and Diagnostics</title><nct_id>NCT06170268</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Observational</treatment_type><disease_site>Other</disease_site><PI>Shabbir, Syed</PI><institution>Medstar Franklin Square Medical Center; Medstar Harbor Hospital; Medstar Southern Maryland Hospital Center; Medstar Union Memorial Hospital</institution><management_group>MedStar Neuroscience &amp; Rehab Research Network</management_group><item><contact_id>7252</contact_id><item_description>Petros Okubagzi</item_description><js_safe_str>Petros Okubagzi</js_safe_str><email>petros.g.okubagzi@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>