<?xml version="1.0" encoding="UTF-8"?><protocol_summary><protocol><id>16299</id><no>1397-0014</no><status>Open</status><title>A Phase III, randomized, double-blind, placebo-controlled study to assess the Efficacy, Safety, and Tolerability of BI 1291583 2.5 mg administered once daily for up to 76 weeks in patients with Bronchiectasis (The AIRTIVITY® Study)</title><nct_id>NCT06872892</nct_id><sponsor_type>Industrial</sponsor_type><age_group>Adult</age_group><treatment_type>Treatment</treatment_type><phase>III</phase><disease_site>Other</disease_site><PI>O'Donnell, Anne</PI><institution>Georgetown University Medical Center : Amen Hamed; Lombardi Comprehensive Cancer Center : Amen Hamed</institution><management_group>GUMC Medicine Pulmonary</management_group><item><contact_id>9081</contact_id><item_description>Amen Hamed</item_description><js_safe_str>Amen Hamed</js_safe_str><email>amen.m.hamed@gunet.georgetown.edu</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>