<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16028</id><no>SMILE-AF</no><status>Open (affiliates only)</status><title>Posterior Wall Substrate Modification Using Irreversible Electroporation for the Treatment of Paroxysmal Atrial Fibrillation</title><secondary_protocol_no>Smile AF</secondary_protocol_no><nct_id>NCT06364215</nct_id><sponsor_type>Externally Peer-Reviewed</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><disease_site>Other</disease_site><PI>Lee, Sung</PI><institution>Medstar Washington Hospital 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>