<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15896</id><no>VLX-601-GU</no><status>Open (affiliates only)</status><title>A Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Volixibat in the Treatment of Cholestatic Pruritus in Patients with Primary Biliary Cholangitis (VANTAGE)</title><secondary_protocol_no>VLX-601</secondary_protocol_no><nct_id>NCT05050136</nct_id><sponsor_type>Industrial; Institutional</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><disease_site>Other</disease_site><PI>Smith, Coleman</PI><institution>Georgetown University Medical Center; Lombardi Comprehensive Cancer Center</institution></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>