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Encephalitis clinical trials

The registry lists 125 studies for Encephalitis across more than 10 countries. 33 are recruiting or about to start. 48 of them are mainly about Encephalitis (how this is decided). Per ClinicalTrials.gov, last updated 2026-10-30. Counting its 3 narrower conditions too, such as Encephalitis, Japanese: 269 studies, 49 open.

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Status

Completed
62
Recruiting
25
Status unknown
16
Not yet recruiting
7
Withdrawn
6
Active, not recruiting
4

Phase

Phase 2
17
Phase 1
14
Phase 3
9
Phase 4
4

Where

United States
37
France
17
United Kingdom
9
China
6
Australia
5
Canada
5

Who runs them

National Institute of Allergy and Infectious Diseases (NIAID) (8) · Hospices Civils de Lyon (6) · Assiut University (3) · Valneva Austria GmbH (2) · National Institutes of Health Clinical Center (CC) (2) · Inflammatix (2) · Assistance Publique - Hôpitaux de Paris (2) · Arialys Therapeutics (2)

What is being tested here

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

DrugOpenPhase 3All
ART5803103
Lenalidomide102
Bortezomib101
Inebilizumab101
Interferon beta-1a101
Pyrimethamine005
Immunoglobulins, Intravenous022
Immunoglobulin G022
Atovaquone002
Japanese encephalitis virus strain SA 14-14-2 antigen (formaldehyde inactivated)022

Coming up

0phase 3 studies under way
8studies 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 8

Who these studies take

Of the 25 Encephalitis studies recruiting now, 17 (68%) set no upper age limit and 6 (24%) stop at 75 or younger. 10 (40%) take children under 18. 1 (4%) are for women only and 0 (0%) for men only; 6 (24%) take healthy volunteers.

Recruiting studies that take each age, of 25
AgeWomenMen
107 (28%)7 (28%)
1825 (100%)24 (96%)
3023 (92%)22 (88%)
4022 (88%)21 (84%)
5021 (84%)21 (84%)
6520 (80%)20 (80%)
7519 (76%)19 (76%)
8518 (72%)18 (72%)

Across all 125 studies, recruiting or not: 32% stop at 75 or younger and 30% at 65; 46% take children; 1% are for women only and 2% for men only; 25% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

How long Encephalitis studies take

Of 18 interventional studies with no phase under Encephalitis, half reached primary completion within 28 months of starting, counting those still running.

Start to primary completionEvery sponsorIndustryNon-industry
Interventional, no phase28 mo23–33 · 18 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

Studies

Recruiting first, then most recently updated. Showing 50 of 125. Browse all 125 → or search them.