<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15383</id><no>BNT323-01-GOG-3105</no><status>Open</status><title>A Phase III, randomized, multi-site, open-label trial of BNT323/DB-1303 versus investigator s choice of chemotherapy in previously treated patients with HER2-expressing recurrent endometrial cancer</title><secondary_protocol_no>BNT323-01 (GOG-3105)</secondary_protocol_no><nct_id>NCT06340568</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>Hoskins, Ebony</PI><institution>MedStar Health and GUMC; Medstar Washington Hospital Center : Reva Persaud</institution><oncology_group>Gyn. Onc.<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>MHRI Washington Cancer Institute</management_group><item><contact_id>17525</contact_id><item_description>Reva Persaud</item_description><js_safe_str>Reva Persaud</js_safe_str><email>Reva.S.Persaud@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>