<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>14945</id><no>LUNDBECK18252A</no><status>Open (affiliates only)</status><title>Interventional, open-label, exploratory study, investigating the safety, tolerability, pharmacokinetics, and efficacy of Lu AF28996 in patients with Parkinson's disease</title><secondary_protocol_no>18252A</secondary_protocol_no><nct_id>NCT04291859</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><disease_site>Other</disease_site><PI>Pagan, Fernando</PI><institution>Georgetown University Medical Center</institution><management_group>GUMC Neurology; 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>