<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16780</id><no>STRO-004-ST1-NCT07227168</no><status>Open</status><title>A Phase 1 Open-Label Study to Evaluate Safety, Pharmacokinetics, and Preliminary anti-&#xD;
Tumor Activity of STRO-004 in Adults with Refractory/Recurrent Metastatic Solid Tumors</title><secondary_protocol_no>STRO-004-ST1</secondary_protocol_no><nct_id>NCT07227168</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>I</phase><disease_site>Multiple</disease_site><PI>Reuss, Joshua</PI><institution>Georgetown University Medical Center; Lombardi Comprehensive Cancer Center</institution><oncology_group>Phase I<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>Lombardi Comprehensive Cancer Center (LCCC); Oncology PFS</management_group></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>