<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>14497</id><no>A22-301</no><status>Open (affiliates only)</status><title>A Single-arm, Multicenter Study to Assess the Efficacy, Safety, and Tolerability of&#xD;
Ropeginterferon alfa-2b-njft (P1101) in Adult Patients with Essential&#xD;
Thrombocythemia</title><secondary_protocol_no>A22301</secondary_protocol_no><nct_id>NCT05482971</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>II</phase><scope>Global</scope><disease_site>Diseases Of The Blood And Blood-Forming Organs And Certain Disorders Involving The Immune Mechanism</disease_site><PI>Cunningham, Julia</PI><institution>Georgetown University Medical Center; Lombardi Comprehensive Cancer Center</institution><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>