<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15045</id><no>ETCTN-10204-NCT03816345</no><status>Open</status><title>A Phase Ib Study of Nivolumab in Patients with Autoimmune Disorders and Advanced Malignancies (AIM-NIVO).</title><secondary_protocol_no>10204</secondary_protocol_no><nct_id>NCT03816345</nct_id><sponsor_type>National</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>I</phase><disease_site>Multiple</disease_site><PI>Gibney, Geoffrey</PI><institution>Georgetown University Medical Center; Lombardi Comprehensive Cancer Center</institution><oncology_group>Phase I; Phase I/Sarcoma<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>Lombardi Comprehensive Cancer Center (LCCC)</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>