<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15076</id><no>ALXN2220-ATTRCM-301/NCT0618393</no><status>Open</status><title>DepleTTR-CM &#xD;
A Phase 3, Randomized, Double-blind, Placebo-controlled, Multicenter Study to Evaluate the&#xD;
Efficacy and Safety of Amyloid Depleter ALXN2220 in Adult Participants with Transthyretin&#xD;
Amyloid Cardiomyopathy (ATTR-CM)</title><nct_id>NCT06183931</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><disease_site>Transthyretin amyloid cardiomyopathy (ATTR)</disease_site><PI>Sheikh, Farooq</PI><institution>Medstar Washington Hospital Center : Hellina Birru</institution><management_group>MCRN - Heart Failure</management_group><item><contact_id>7317</contact_id><item_description>Hellina Birru</item_description><js_safe_str>Hellina Birru</js_safe_str><email>hellina.t.birru@medstar.net</email><title>Clinical Research Coordinator </title></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>