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Pulmonary Disease, Chronic Obstructive clinical trials

The registry lists 5,520 studies for Pulmonary Disease, Chronic Obstructive across more than 10 countries. 856 are recruiting or about to start. 4,513 of them are mainly about Pulmonary Disease, Chronic Obstructive (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-10. Counting its 2 narrower conditions too, such as Bronchitis, Chronic: 5,589 studies, 861 open.

ClinicalTrials.gov finds 6,474 studies for Pulmonary Disease, Chronic Obstructive. How that becomes 5,520 here

This page counts the studies the registry files under Pulmonary Disease, Chronic Obstructive, and those it files under no condition that list Pulmonary Disease, Chronic Obstructivethemselves. Each study its search finds is placed by how the registry filed it and by the conditions it lists. ClinicalTrials.gov counts as of Nov 8, 2026. How condition pages count

  1. 6,474Found by its condition searchIt reads the conditions a study lists and their synonyms, and also titles and keywords.
  2. −63Filed under a narrower condition, counted on its own pageBronchitis, Chronic 40 · Pulmonary Emphysema 22
  3. −45List Pulmonary Disease, Chronic Obstructive as a condition, but the registry did not file them under itMost often written as “COPD Exacerbation” (9), “Acute Exacerbation of Chronic Obstructive Pulmonary Disease” (6), and “Asthma-COPD Overlap Syndrome” (4). The registry filed them under other conditions only, most often Respiratory Insufficiency (7) and Pneumonia (5).
  4. −932Match it another way53 name it in the title, 1 in a keyword, and 878 by a synonym or other text the search reads.
  5. 5,434Counted here and found by its search93 of them list Pulmonary Disease, Chronic Obstructive in their own words; the registry filed them under no condition.
  6. +86
    Counted here, but its search does not find themThe first 20 of 86.
  7. 5,520The count on this page

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Status

Completed
3,415
Status unknown
666
Recruiting
555
Terminated
298
Not yet recruiting
258
Withdrawn
141

Phase

Phase 2
567
Phase 3
555
Phase 4
442
Phase 1
356
Early Phase 1
34

Where

United States
1,277
United Kingdom
620
Germany
539
France
405
China
403
Canada
397

What is being tested here

Drugs under test in Pulmonary Disease, Chronic Obstructive studies, those with the most open studies first. Medicines only given beside them are not counted. How drugs are counted

Drug classes tested here Corticosteroids 8 open · Antimuscarinics 6 open · Bronchodilators 4 open · PDE5 inhibitors 3 open · GLP-1 receptor agonists 2 open

Coming up

276studies finish main data collection within a year9 of them phase 3

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

The 10 nearest, phase 3 first

Who these studies take

Of the 555 Pulmonary Disease, Chronic Obstructive studies recruiting now, 305 (55%) set no upper age limit and 82 (15%) stop at 75 or younger. 29 (5%) take children under 18. 1 (<1%) are for women only and 4 (1%) for men only; 87 (16%) take healthy volunteers.

Recruiting studies that take each age, of 555
AgeWomenMen
1027 (5%)28 (5%)
18262 (47%)263 (47%)
30300 (54%)301 (54%)
40505 (91%)505 (91%)
50535 (96%)538 (97%)
65535 (96%)536 (97%)
75504 (91%)505 (91%)
85390 (70%)391 (70%)

Across all 5,520 studies, recruiting or not: 17% stop at 75 or younger and 6% at 65; 8% take children; <1% are for women only and 3% for men only; 17% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Pulmonary Disease, Chronic Obstructive studies take

Of 176 phase 1 interventional studies under Pulmonary Disease, Chronic Obstructive, half reached primary completion within 4 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Phase 14 mo2–11 · 176 studies4 mo2–9 · 158 studies—
Phase 1/229 mo18–… · 20 studies——
Phase 217 mo10–31 · 165 studies14 mo7–20 · 118 studies39 mo20–63 · 47 studies
Phase 323 mo14–44 · 141 studies20 mo13–36 · 108 studies40 mo26–56 · 33 studies
Phase 419 mo12–40 · 157 studies15 mo9–22 · 71 studies29 mo14–50 · 86 studies
Interventional, no phase22 mo10–39 · 1,181 studies21 mo10–35 · 87 studies22 mo10–41 · 1,094 studies
Observational26 mo14–58 · 586 studies21 mo14–37 · 120 studies29 mo15–64 · 466 studies

Each figure is the month by which half the studies had reached primary completion, with the range in which the middle half did. Studies still running count until their last registry update; studies that stopped early are left out. Phase 1 includes early phase 1; observational means prospective or not stated, as retrospective and cross-sectional studies date a window of data rather than a study. How these figures are worked out

What changed recently

From the registry's own updates since Oct 13, 2026.

Started recruiting14

Show 9 more

Newly registered26

Show 21 more

Studies

Recruiting first, then most recently updated. Showing 50 of 5,520. Browse all 5,520 → or search them.