<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15932</id><no>YL201-INT-101-01-NCT05434234</no><status>Open</status><title>A Phase 1, Multicenter, Nonrandomized, Open-Label, First-in-Human Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Efficacy of YL201 in Patients With Advanced Solid Tumors</title><secondary_protocol_no>YL201-INT-101-01</secondary_protocol_no><nct_id>NCT05434234</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>I</phase><scope>Global</scope><disease_site>Lung</disease_site><PI>Liu, Stephen</PI><institution>Georgetown University Medical Center : Shannon Raue; Lombardi Comprehensive Cancer Center : Shannon Raue</institution><oncology_group>Phase I<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>Lombardi Comprehensive Cancer Center (LCCC); Oncology PFS</management_group><item><contact_id>16186</contact_id><item_description>Shannon Raue</item_description><js_safe_str>Shannon Raue</js_safe_str><email>sr1657@georgetown.edu</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>