<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16858</id><no>TER-ZLDX-0101-MWHC-NCT07310420</no><status>Open</status><title>Phase 1 single-arm, open-label, multicenter trial to evaluate ovarian suppression following subcutaneous ZOLADEX10.8 mg in premenopausal women with hormone receptor positive (HR+), human epidermal growth factor receptor 2 negative (HER2-) advanced breast cancer</title><secondary_protocol_no>TER-ZLDX-0101</secondary_protocol_no><nct_id>NCT07310420</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>I</phase><scope>Global</scope><disease_site>Breast</disease_site><PI>Chitalia, Ami</PI><institution>MedStar Health and GUMC; Medstar Washington Hospital Center : Stacy Malloy</institution><oncology_group>Breast<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>MHRI Washington Cancer Institute</management_group><item><contact_id>10787</contact_id><item_description>Stacy Malloy</item_description><js_safe_str>Stacy Malloy</js_safe_str><email>Stacy.K.Malloy@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>