<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>14828</id><no>ANTHOS-NCT05712200</no><status>Open</status><title>A Phase 3, multicenter, randomized, double-blind, placebo-controlled, parallel-group study to evaluate the efficacy and safety of abelacimab in high-risk patients with Atrial fibrillation who have been deemed unsuitable for oral anticoagulation </title><secondary_protocol_no>ANT-010</secondary_protocol_no><nct_id>NCT05712200</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>III</phase><scope>Global</scope><disease_site>Other</disease_site><PI>Sidhu, Sunjeet</PI><institution>MedStar Health and GUMC; Medstar Union Memorial Hospital</institution><management_group>MCRN - Baltimore EP; MCRN - Electrophysiology</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>