<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16357</id><no>A23-302</no><status>Open (affiliates only)</status><title>A Randomized, Double-Blind, Placebo-Controlled Multicenter Phase 3 Clinical Study to Assess Efficacy and Safety of Ropeginterferon alfa-2b (P1101) in Adult Patients with Pre-fibrotic/Early Primary Myelofibrosis or Overt Primary Myelofibrosis at Low or Intermediate-1 Risk According to DIPSS Plus (HOPE-PMF): The Core Study and Its Extension Study</title><nct_id>NCT06468033</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>Cunningham, Julia</PI><institution>Georgetown University Medical Center; Lombardi Comprehensive Cancer Center</institution><management_group>GUMC Medicine Hem-Onc; GUMC PFS</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>