<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>15048</id><no>AHOD2131-NCT05675410</no><status>Open</status><title>A Randomized Phase 3 Interim Response Adapted Trial Comparing Standard Therapy With Immuno-oncology Therapy for Children and Adults With Newly Diagnosed Stage I and II Classic Hodgkin Lymphoma</title><secondary_protocol_no>AHOD2131</secondary_protocol_no><nct_id>NCT05675410</nct_id><sponsor_type>National</sponsor_type><age_group>Children</age_group><treatment_type>Treatment</treatment_type><phase>III</phase><scope>National</scope><disease_site>Other</disease_site><PI>Pudela, Caileigh</PI><institution>Georgetown University Medical Center; Lombardi Comprehensive Cancer Center</institution><oncology_group>Pediatrics<DOWG_name>Oncology Group</DOWG_name></oncology_group><management_group>Lombardi Comprehensive Cancer Center (LCCC)</management_group></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>