<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16399</id><no>ETCTN-10629-NCT06287775</no><status>Open</status><title>A Phase I Dose Finding and Phase II Randomized Trial of Iadademstat Combined With Immune Checkpoint Inhibition Maintenance After Initial Chemoimmunotherapy in Patients With Extensive-Stage Small Cell Lung Cancer</title><secondary_protocol_no>10629</secondary_protocol_no><nct_id>NCT06287775</nct_id><sponsor_type>National</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>I/II</phase><scope>National</scope><disease_site>Lung</disease_site><PI>Liu, Stephen</PI><institution>Georgetown University Medical Center : Jailyn Izu; Lombardi Comprehensive Cancer Center : Jailyn Izu</institution><oncology_group>Thoracic/CNS/H&amp;N/Thyroid<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>Lombardi Comprehensive Cancer Center (LCCC)</management_group><item><contact_id>17685</contact_id><item_description>Jailyn Izu</item_description><js_safe_str>Jailyn Izu</js_safe_str><email>ji241@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>