<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16579</id><no>LPS18573</no><status>Open</status><title>A multi-center, open-label, single-arm study to evaluate the&#xD;
efficacy and safety of oral rilzabrutinib in adults with&#xD;
immune thrombocytopenia (ITP) who failed first-line&#xD;
treatment</title><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>III</phase><disease_site>Other</disease_site><PI>Broome, Catherine</PI><institution>Georgetown University Medical Center; Lombardi Comprehensive Cancer Center</institution></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>