DrugEvidence

Diseases / Pulmonary Fibrosis

Pulmonary Fibrosis

Disease

Pulmonary fibrosis is a chronic interstitial lung disease characterized by progressive scarring of lung tissue, leading to reduced lung compliance, impaired gas exchange, and progressive dyspnea.

Trials
331
Recruiting
55
Completed
140
With results
44

Last revised

Pipeline

Phase by status

PhaseRecruitingNot yetBy invitationActiveCompletedTerminatedWithdrawnSuspendedUnknownAvailableTotal
Early Phase 1 212 5
Phase 1 411622 25
Phase 1/2 21312 9
Phase 2 11232812414 65
Phase 2/3 11513 11
Phase 3 2121172 25
Phase 4 155 11
Not applicable 1141127312 59
Unknown 2462104531282 121

Trials started per year

2021
11
2022
25
2023
29
2024
24
2025
22
2026
19

Conditions studied, by phase

ConditionEarly Phase 1Phase 1Phase 1/2Phase 2Phase 2/3Phase 3Phase 4Not applicableUnknownTotal
Pulmonary Fibrosis 52596511251159121 331
Lung Diseases, Interstitial 221182542137 92
Idiopathic Pulmonary Fibrosis 110131313821 88
Lung Diseases 51925310 35
Pulmonary Disease, Chronic Obstructive 111111311 29
COVID-19 12411247 22
Fibrosis 3103122 21
Hypertension, Pulmonary 11812224 21
Sarcoidosis 12149 17
Emphysema 11165 14

Most active sponsors

#SponsorTrialsPhase 3
1National Heart, Lung, and Blood Institute (NHLBI)120
2Boehringer Ingelheim92
3Bristol-Myers Squibb63
4National Jewish Health60
5National Human Genome Research Institute (NHGRI)50
6Peking Union Medical College Hospital50
7Assistance Publique - Hôpitaux de Paris42
8Erasmus Medical Center40
9InterMune43
10Kyntra Bio42

Most studied interventions

#InterventionTrials
1pirfenidone15
2nintedanib11
3Acetylcysteine4
4Blood Specimen Collection4
5Cyclophosphamide4
6Exercise4
7Oxygen4
8pamrevlumab4
9Rituximab4
10Sildenafil Citrate4

Evidence

Results reported
31.4%44 of 140 completed
Published
15.7%22 of 140 completed
Primary endpoint met
35.6%16 of 45 analyses
Median months to report
14

Documents disclosed

Protocol available
28
Statistical analysis plan
28
PubMed citations
69

Trial profile

Median enrollment
80
Median duration
34months
Countries
60
Study sites
3323

Who is enrolled

Adults
330
Children
31
Older adults
319
Healthy volunteers
49

Median enrollment by phase

Early Phase 1
20
Phase 1
32
Phase 1/2
27
Phase 2
50
Phase 2/3
60
Phase 3
202
Phase 4
60
Not applicable
51
Unknown
150

Where trials run

United States
128
China
35
France
35
United Kingdom
33
Canada
31
Italy
29
Australia
26
Germany
24
Netherlands
23
Spain
21

Busiest cities

#CityCountryTrials
1Los AngelesUnited States28
2NashvilleUnited States28
3BostonUnited States25
4ChicagoUnited States24
5BirminghamUnited States22
6New YorkUnited States21
7CharlestonUnited States20
8DallasUnited States20
9PhiladelphiaUnited States20
10BeijingChina19

Terminations

Terminated
30
Withdrawn
5
Suspended
1
Stopped for recruitment
1.8%6 of 331 trials

Stated reasons

Other / unclear
16
Recruitment
6
Business decision
4
Lack of efficacy
4
Funding
4
COVID-19
1
Regulatory
1

Reasons are grouped from the sponsor's own wording with a rule-based classifier; the original text is shown below.

Recently stopped

TrialStatusStated reasonStopped
NCT05676112 Withdrawn Withdrawn Company decision 2026-09-30
NCT06399094 Terminated Terminated Recruitment issue 2025-08-30
NCT06097260 Terminated Terminated DSMB recommendation 2025-04-04
NCT04638517 Terminated Terminated Data Safety Monitoring Board recommended cessation due to futility 2025-01-16
NCT05032066 Terminated Terminated The trial was terminated due to not meeting primary or key secondary endpoints. 2025-01-02
NCT05387239 Suspended Suspended Sponsor request 2024-12-31
NCT04837131 Terminated Terminated Low enrollment 2024-02-23
NCT04419558 Terminated Terminated Sponsor Decision 2023-09-04
NCT03955146 Terminated Terminated Study did not meet its primary endpoint. 2023-08-28
NCT03267108 Terminated Terminated The trial did not meet its primary endpoint, hence was terminated due to futility. 2023-06-30

Trial records