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Pulmonary Atelectasis clinical trials

The registry lists 377 studies for Pulmonary Atelectasis across more than 10 countries. 93 are recruiting or about to start. 274 of them are mainly about Pulmonary Atelectasis (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-06.

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Status

Completed
220
Recruiting
50
Status unknown
41
Not yet recruiting
37
Withdrawn
8
Terminated
7

Phase

Phase 4
11
Phase 2
6
Phase 3
6
Phase 1
4
Early Phase 1
2

Where

Turkey
53
United States
43
Egypt
31
China
24
France
21
Italy
21

Who runs them

Seoul National University Hospital (14) · Assiut University (8) · Cairo University (7) · Centre hospitalier de l'Université de Montréal (CHUM) (6) · Istanbul University (6) · Hospital Privado de Comunidad de Mar del Plata (6) · Region Västmanland (6) · Shanghai Zhongshan Hospital (4)

What is being tested here

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

DrugOpenPhase 3All
Dexamethasone203
Poractant alfa102
Albuterol101
Lidocaine101
Oxytocin101
Surfactant Excipient101
Surface-Active Agent101
Nitric Oxide101
Sugammadex101
Ketamine101

Drug classes tested here Corticosteroids 2 open

Coming up

1phase 3 study under way
25studies 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.

The 10 nearest

Who these studies take

Of the 50 Pulmonary Atelectasis studies recruiting now, 20 (40%) set no upper age limit and 22 (44%) stop at 75 or younger. 23 (46%) take children under 18. 3 (6%) are for women only and 2 (4%) for men only; 2 (4%) take healthy volunteers.

Recruiting studies that take each age, of 50
AgeWomenMen
106 (12%)6 (12%)
1827 (54%)27 (54%)
3030 (60%)29 (58%)
4030 (60%)29 (58%)
5028 (56%)29 (58%)
6526 (52%)27 (54%)
7526 (52%)27 (54%)
8522 (44%)23 (46%)

Across all 377 studies, recruiting or not: 49% stop at 75 or younger and 42% at 65; 33% take children; 7% are for women only and 2% for men only; 17% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Pulmonary Atelectasis studies take

Of 154 interventional studies with no phase under Pulmonary Atelectasis, half reached primary completion within 12 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Interventional, no phase12 mo5–24 · 154 studies—11 mo5–24 · 152 studies
Observational11 mo6–19 · 58 studies—11 mo6–19 · 58 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 recruiting1

Studies

Recruiting first, then most recently updated. Showing 50 of 377. Browse all 377 → or search them.