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Bell Palsy clinical trials

The registry lists 85 studies for Bell Palsy across more than 10 countries. 30 are recruiting or about to start. 69 of them are mainly about Bell Palsy (how this is decided). Per ClinicalTrials.gov, last updated 2026-10-26.

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Status

Completed
36
Recruiting
17
Not yet recruiting
10
Status unknown
10
Terminated
4
Enrolling by invitation
3

Phase

Phase 4
5
Phase 1
2
Phase 2
2
Early Phase 1
2
Phase 3
2

Where

Pakistan
18
China
15
United States
8
Egypt
7
Turkey
5
Canada
3

Who runs them

Riphah International University (9) · University of Lahore (4) · Beijing Tongren Hospital (4) · Neurotrigger Ltd (3) · The Third Affiliated hospital of Zhejiang Chinese Medical University (3) · Cairo University (3) · Assiut University (2) · Huazhong University of Science and Technology (2)

What is being tested here

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

DrugOpenPhase 3All
Prednisolone104
Cerebrolysin101
Prednisone012
Thiamine001
Valacyclovir001
Acyclovir001
Dexamethasone001
Apraclonidine001

Drug classes tested here Corticosteroids 1 open

Coming up

1phase 3 study under way
4studies 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 4

Who these studies take

Of the 17 Bell Palsy studies recruiting now, 5 (29%) set no upper age limit and 11 (65%) stop at 75 or younger. 3 (18%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 2 (12%) take healthy volunteers.

Recruiting studies that take each age, of 17
AgeWomenMen
102 (12%)2 (12%)
1814 (82%)14 (82%)
3016 (94%)16 (94%)
4016 (94%)16 (94%)
5013 (76%)13 (76%)
6510 (59%)10 (59%)
756 (35%)6 (35%)
855 (29%)5 (29%)

Across all 85 studies, recruiting or not: 64% stop at 75 or younger and 53% at 65; 18% take children; 0% are for women only and 0% for men only; 16% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Bell Palsy studies take

Of 40 interventional studies with no phase under Bell Palsy, half reached primary completion within 10 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Interventional, no phase10 mo3–21 · 40 studies—9 mo3–25 · 38 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 85. Browse all 85 → or search them.