<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16300</id><no>AMBITION</no><status>Open</status><title>Randomized Controlled Trial of the Auryon Atherectomy System Used in Combination with Standard Balloon Angioplasty Versus Standard Balloon Angioplasty Alone Treating Infrapopliteal Lesions in Subjects with Critical Limb Ischemia: the Auryon AMBITION BTK RCT / Registry</title><secondary_protocol_no>2024-RFT-A-01</secondary_protocol_no><nct_id>NCT06777901</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><disease_site>Other</disease_site><PI>Crowner, Jason</PI><institution>MedStar Health and GUMC; Medstar Union Memorial Hospital</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>