<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16448</id><no>C4551002-NCT07062965</no><status>Open</status><title>AN INTERVENTIONAL, OPEN-LABEL, RANDOMIZED, MULTICENTER, PHASE 3 STUDY OF PF-07248144 PLUS FULVESTRANT COMPARED TO INVESTIGATOR CHOICE OF THERAPY IN ADULT PARTICIPANTS WITH HORMONE RECEPTOR-POSITIVE, HER2-NEGATIVE ADVANCED/METASTATIC BREAST CANCER WHOSE DISEASE PROGRESSED AFTER PRIOR CDK4/6 INHIBITOR-BASED THERAPY</title><secondary_protocol_no>C4551002</secondary_protocol_no><nct_id>NCT07062965</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>III</phase><disease_site>Other</disease_site><PI>Chitalia, Ami; Chitalia, Ami; Kurian, Shweta</PI><institution>MedStar Health and GUMC; Medstar Franklin Square Medical Center : Amy Avergas; Medstar Good Samaritan Hospital; Medstar Washington Hospital Center</institution><oncology_group>Breast<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>MHRI Oncology Baltimore; MHRI Washington Cancer Institute</management_group><item><contact_id>6959</contact_id><item_description>Amy Avergas</item_description><js_safe_str>Amy Avergas</js_safe_str><email>Amy.m.avergas@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>