<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>12666</id><no>MK-8591A-033-0022</no><status>Open</status><title>Merck MK-8591A-033-0022</title><secondary_protocol_no> MK-8591A-033</secondary_protocol_no><nct_id>NCT04776252</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>III</phase><disease_site>Other</disease_site><PI>Kumar, Princy</PI><management_group>GUMC Medicine Infectious Disease</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>