<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>14494</id><no>EP0031-101</no><status>Open</status><title>A Modular, Open-label, Phase I/II Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of EP0031 in Patients With Advanced RET-altered Malignancies</title><nct_id>NCT05443126</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>I/II</phase><disease_site>Other</disease_site><PI>Liu, Stephen</PI><institution>Georgetown University Medical Center : Jeanette Crawford; Lombardi Comprehensive Cancer Center : Jeanette Crawford</institution><oncology_group>Thoracic/CNS/H&amp;N/Thyroid<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>Lombardi Comprehensive Cancer Center (LCCC); Oncology PFS</management_group><item><contact_id>6888</contact_id><item_description>Jeanette Crawford</item_description><js_safe_str>Jeanette Crawford</js_safe_str><phone_no>+1 202-687-0893</phone_no><email>crawfojg@georgetown.edu</email><title>Research Nursing Coordinator </title></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>