<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16319</id><no>PRESERVE-HD</no><status>Open (affiliates only)</status><title>PReSeRVE-HD: PRospective, Multicenter, Observational Study of the Merit HeRO® Graft and Super HeRO® EValuated in End-Stage Renal Disease Patients on HemoDialysis</title><secondary_protocol_no>CVO-P4-23-02</secondary_protocol_no><nct_id>NCT06422871</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Observational</treatment_type><disease_site>Other</disease_site><PI>Garcia, Jesse</PI><institution>Medstar Washington Hospital Center : Jan Kocur</institution><item><contact_id>15934</contact_id><item_description>Jan Kocur</item_description><js_safe_str>Jan Kocur</js_safe_str><email>jan.kocur@medstar.net</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>