Bronchiolitis Obliterans clinical trials

The registry lists 82 studies for Bronchiolitis Obliterans across more than 10 countries. 9 are recruiting or about to start. 56 of them are mainly about Bronchiolitis Obliterans (how this is decided). Per ClinicalTrials.gov, last updated 2026-10-27. Counting its narrower condition Bronchiolitis Obliterans Syndrome too: 778 studies, 134 open.

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Status

Completed: 48
Terminated: 13
Recruiting: 9
Status unknown: 8
Withdrawn: 2
No longer available: 1

Phase

Phase 2: 22
Phase 3: 12
Phase 1: 8
Phase 4: 6
Early Phase 1: 3

Where

United States: 34
Germany: 18
France: 13
Belgium: 11
Canada: 7
Spain: 7

Who runs them

Hannover Medical School (4) · Assistance Publique - Hôpitaux de Paris (4) · Johann Wolfgang Goethe University Hospital (4) · Children's Hospital Medical Center, Cincinnati (3) · APT Pharmaceuticals, Inc. (3) · FLUIDDA nv (3) · Zambon SpA (3) · M.D. Anderson Cancer Center (2)

What is being tested here

Drugs under test in Bronchiolitis Obliterans studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Drug	Open	Phase 3	All
Albuterol	1	0	3
Belumosudil	1	0	1
Vimseltinib	1	0	1
Cyclosporine	0	5	6
Azithromycin	0	0	5
Montelukast	0	0	4
Pirfenidone	0	1	2
Etanercept	0	0	2
Formoterol	0	0	2
Budesonide	0	0	2

Drug classes tested here Bronchodilators 1 open · Tyrosine kinase inhibitors (TKIs) 1 open · Calcineurin inhibitors 6 · Corticosteroids 5 · JAK inhibitors 3

Coming up

0phase 3 studies under way

3studies finish main data collection within a year

Studies recruiting or running, from their records. “Main data collection” ends at the primary completion date, the sponsor’s own estimate, which often moves.

All 3

Dec 2026Bronchial Epithelium of Children With Post-infectious Bronchiolitis Obliterans · Institut National de la Santé Et de la Recherche Médicale, France
Jun 2027BElumosudil for Bronchiolitis Obliterans Prevention/Therapy (BEBOP) · Dana-Farber Cancer Institute
Nov 2027Treatment of Pediatric Bronchiolitis Obliterans by Airway Basal Stem Cells · Regend Therapeutics

Who these studies take

Of the 9 Bronchiolitis Obliterans studies recruiting now, 5 (56%) set no upper age limit and 4 (44%) stop at 75 or younger. 7 (78%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 2 (22%) take healthy volunteers.

Recruiting studies that take each age, of 9
Age	Women	Men
10	6 (67%)	6 (67%)
18	8 (89%)	8 (89%)
30	6 (67%)	6 (67%)
40	5 (56%)	5 (56%)
50	5 (56%)	5 (56%)
65	5 (56%)	5 (56%)
75	5 (56%)	5 (56%)
85	5 (56%)	5 (56%)

Across all 82 studies, recruiting or not: 38% stop at 75 or younger and 26% at 65; 43% take children; 0% are for women only and 2% for men only; 7% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

Studies

Recruiting first, then most recently updated. Showing 50 of 82. Browse all 82 → or search them.