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Poliomyelitis clinical trials

The registry lists 274 studies for Poliomyelitis across more than 10 countries. 18 are recruiting or about to start. 145 of them are mainly about Poliomyelitis (how this is decided). Per ClinicalTrials.gov, last updated 2026-11-10. Counting its narrower condition Postpoliomyelitis Syndrome too: 295 studies, 21 open.

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Status

Completed
224
Status unknown
16
Recruiting
10
Not yet recruiting
8
Active, not recruiting
7
Terminated
5

Phase

Phase 3
104
Phase 4
61
Phase 2
46
Phase 1
24

Where

China
49
Bangladesh
23
United States
21
Pakistan
12
Germany
11
France
11

What is being tested here

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

Coming up

8studies finish main data collection within a year1 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.

All 8, phase 3 first

Who these studies take

Of the 10 Poliomyelitis studies recruiting now, 0 (0%) set no upper age limit and 10 (100%) stop at 75 or younger. 9 (90%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 10 (100%) take healthy volunteers.

Recruiting studies that take each age, of 10
AgeWomenMen
102 (20%)2 (20%)
183 (30%)3 (30%)
303 (30%)3 (30%)
403 (30%)3 (30%)
502 (20%)2 (20%)
650 (0%)0 (0%)
750 (0%)0 (0%)
850 (0%)0 (0%)

Across all 274 studies, recruiting or not: 91% stop at 75 or younger and 90% at 65; 87% take children; 1% are for women only and 1% for men only; 91% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Poliomyelitis studies take

Of 44 phase 3 interventional studies under Poliomyelitis, half reached primary completion within 12 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Phase 13 mo2–18 · 12 studies——
Phase 212 mo5–38 · 12 studies——
Phase 312 mo7–21 · 44 studies15 mo7–21 · 35 studies—
Phase 413 mo7–25 · 30 studies——
Interventional, no phase19 mo12–22 · 16 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 12, 2026.

Studies

Recruiting first, then most recently updated. Showing 50 of 274. Browse all 274 → or search them.