<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15735</id><no>D419ML00003-TRITON-MWHC</no><status>Open (affiliates only)</status><title>A Phase IIIb, Randomized, Multicenter, Open-label Study to Assess the Efficacy of Durvalumab Plus Tremelimumab Versus Pembrolizumab in Combination With Platinum-Based Chemotherapy for First-Line Treatment in Metastatic Non-Small Cell Lung Cancer Patients With Non-Squamous Histology Who Have Mutations and/or Co-mutations in STK11, KEAP1, or KRAS (TRITON)</title><secondary_protocol_no>D419ML00003</secondary_protocol_no><nct_id>NCT06008093</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>Merkhofer, Cristina</PI><institution>Medstar Washington Hospital Center : Leila Sounna</institution><oncology_group>Thoracic/CNS/H&amp;N/Thyroid<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>MHRI Washington Cancer Institute</management_group><item><contact_id>13705</contact_id><item_description>Leila Sounna</item_description><js_safe_str>Leila Sounna</js_safe_str><email>Leila.Sounna@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>