NCT03890887 is a Phase 1 clinical trial of BI 1291583 in Healthy, sponsored by Boehringer Ingelheim.

Who is sponsoring NCT03890887?

NCT03890887 is sponsored by Boehringer Ingelheim.

What drugs are being tested in NCT03890887?

Interventions in NCT03890887: BI 1291583, Itraconazole.

Is NCT03890887 still recruiting?

NCT03890887 is currently completed. Last updated 13 August 2025.

Last reviewed 2025-08-13 · How we verify

NCT03890887

Name: Drug Landscape Pharmaceutical Database
Creator: Drug Landscape
Published: 2026-01-01
License: https://creativecommons.org/licenses/by/4.0/

A Study in Healthy Men to Test How Itraconazole Influences the Amount of BI 1291583 in the Blood

Completed Phase 1 Last updated 13 August 2025

What this trial tests

Phase 1 trial testing BI 1291583 in Healthy in 14 participants. Completed in 29 July 2019.

Timeline

12 April 2019

Primary endpoint
29 July 2019

29 July 2019

Quick facts

Lead sponsor	Boehringer Ingelheim
Phase	Phase 1
Status	Completed
Study type	INTERVENTIONAL
Allocation	na
Design	sequential
Masking	none
Primary purpose	treatment
Enrollment	14
Start date	12 April 2019
Primary completion	29 July 2019
Estimated completion	29 July 2019
Sites	1 location across Germany

Drugs / interventions tested

BI 1291583 — full drug profile →
Itraconazole — full drug profile →

Conditions studied

Healthy — all drugs for Healthy →

Sponsor

Boehringer Ingelheim — full company profile →

Who can join

Adults 18 to 50, male only, with Healthy. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

The main objective of this trial is to investigate the relative bioavailability of BI 1291583 in plasma when given as oral single dose together with multiple oral doses of itraconazole (Test, T) as compared to when given alone as oral single dose (Reference, R).

Publications & conference data

3 peer-reviewed publications reference this trial (live from Europe PMC):

Novel cathepsin C inhibitor, BI 1291583, intended for treatment of bronchiectasis: Phase I characterization in healthy volunteers.
Badorrek P, Diefenbach C, Kögler H, Eleftheraki A, et al · · 2024 · cited 8× · PMID 39175217 · DOI 10.1111/cts.13891
The preclinical and phase 1 development of the novel oral cathepsin C inhibitor BI 1291583.
Chalmers JD, Badorrek P, Diefenbach C, Kögler H, et al · · 2024 · cited 8× · PMID 38529344 · DOI 10.1183/23120541.00725-2023
Dipeptidyl peptidase-1 inhibitors in bronchiectasis.
Johnson E, Gilmour A, Chalmers JD. · · 2025 · cited 5× · PMID 40533102 · DOI 10.1183/16000617.0257-2024

Verify or expand the search:

Other trials of BI 1291583

Trials testing the same drug.

NCT07023354 — A Study to Test How BI 1291583 is Taken up in the Blood of People With and Without Liver Problems · Phase 1 · recruiting
NCT06872892 — The AIRTIVITY™ Study: A Study to Find Out Whether BI 1291583 Helps People With Bronchiectasis · Phase 3 · recruiting
NCT06917872 — A Study in Healthy People to Test Whether Erythromycin Influences the Amount of BI 1291583 in the Blood · Phase 1 · completed
NCT06791187 — A Study in Healthy People to Test Whether BI 1291583 Influences the Amount of Dabigatran in the Body · Phase 1 · completed
NCT06631417 — A Study in Healthy People to Test How 2 Different Doses of BI 1291583 Are Taken up in the Body When Given in 3 Different · Phase 1 · completed

Other recruiting trials for Healthy

Currently open trials in the same condition.

NCT06707207 — Predicting Future Errors During Skill Performance · recruiting
NCT07169630 — PET Imaging of Phosphodiesterase-4 (PDE4) in Volunteers With Alzheimer Disease (AD) or Mild Cognitive Impairment (MCI) · Phase 1 · recruiting
NCT07499414 — The Effects of the Bile Acid Supplement, 7-keto Lithocholic Acid, on Human Gut Microbiota and Risk Factors for Disease. · NA · recruiting
NCT07496697 — Effects of Electroacupuncture at NP82 and SP15 on Bowel Motility in Healthy Subjects · NA · recruiting
NCT06431932 — Pilot Trial of Fisetin in Healthy Volunteers and Older Patients With Multimorbidity · Phase 1, PHASE2 · recruiting

Other Boehringer Ingelheim trials

Trials by the same sponsor.

NCT07044700 — Real-world Comparative Effectiveness and Safety of Jardiance in Chinese Patients With Heart Failure of Reduced Ejection · not yet recruiting
NCT07047508 — Real-world Study to Describe the Effectiveness and Safety Outcomes of Jardiance in Chinese Patients With Heart Failure a · not yet recruiting
NCT07366034 — A Study to Find Out How Nerandomilast is Tolerated, Handled by the Body, and if it Helps Children and Adolescents With I · Phase 3 · not yet recruiting
NCT07531628 — A Study to Test How Verducatib is Taken up in the Body of Healthy Chinese Participants · Phase 1 · not yet recruiting
NCT07497087 — A Study to Test Whether Nerandomilast Helps People With Systemic Sclerosis · Phase 3 · not yet recruiting

Verify against primary sources

ClinicalTrials.gov — authoritative US registry record
WHO ICTRP — international registry index
EU Clinical Trials Register
Sponsor press releases (Google)

Data sources for this page

Trial protocol + status: ClinicalTrials.gov NCT03890887 (US National Library of Medicine, public domain)
Publications: Europe PMC API search by NCT ID, retrieved 10 June 2026
Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
Sponsor: as reported to ClinicalTrials.gov by Boehringer Ingelheim
Last refreshed: 13 August 2025

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT03890887.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing