Condition (MeSH)
Encephalitis, Japanese
ClinicalTrials.gov lists 72 trials for Encephalitis, Japanese or a narrower condition beneath it. Valneva Austria GmbH has the most among industry and government lead sponsors, with 15.
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Trials per phase (log scale)
72 of the 72 trials are tagged with Encephalitis, Japanese itself; the rest are tagged with a narrower condition beneath it.
When did Encephalitis, Japanese trials start? (20)
Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year.
Trials over time, by phase
- Phase 1
- Phase 1/2
- Phase 2
- Phase 3
- Phase 4
- Not applicable
- Observational
Top of scale: 11
Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.
| Year | Trials started |
|---|---|
| 2025 | 3 |
| 2024 | 3 |
| 2022 | 1 |
| 2021 | 2 |
| 2017 | 2 |
| 2016 | 2 |
| 2015 | 6 |
| 2014 | 2 |
| 2013 | 6 |
| 2012 | 4 |
Showing 10 of 20 earlier years.
No forecast is made for this condition: it averages 1.4 trial starts a year over the five years to September, under the 5 a year the method needs.
Recruitment duration, a model prediction: 2 trials still running at the 2026-10-09 snapshot, fewer than the 5 needed for a median. Source: ClinicalTrials.gov / AACT (CTTI), public domain.
What phase are Encephalitis, Japanese trials in? (7)
Shown in this order: phase order.
Show the trials by phase as a table
| Phase | Trials |
|---|---|
| Phase 1 | 1 |
| Phase 1/2 | 1 |
| Phase 2 | 13 |
| Phase 3 | 32 |
| Phase 4 | 15 |
| Not applicable | 2 |
| Observational | 8 |
How many Encephalitis, Japanese trials are recruiting? (6)
Shown in this order: the order a trial moves through, from not yet recruiting to unknown.
| Status | Trials |
|---|---|
| Not yet recruiting | 1 |
| Recruiting | 1 |
| Active, not recruiting | 1 |
| Completed | 60 |
| Withdrawn | 1 |
Showing 5 of 6 statuses.
Status as registered on ClinicalTrials.gov. Each trial is counted once.
Which lead sponsors run the most Encephalitis, Japanese trials? (8)
Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.
| Sponsor | Trials |
|---|---|
| Valneva Austria GmbH | 15 |
| Sanofi Pasteur, a Sanofi Company | 11 |
| Sanofi | 7 |
| Liaoning Chengda Biotechnology CO., LTD | 3 |
| Boryung Pharmaceutical Co., Ltd | 2 |
Showing 5 of 8 sponsors.
Which drugs are being tested for Encephalitis, Japanese? (3)
Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.
| Drug | Trials |
|---|---|
| IC51 | 16 |
| Yellow Fever Vaccine | 3 |
| JE-VAX | 2 |
Interventions as named in the registry (12)
Shown in this order: most trials first.
| Drug | Trials |
|---|---|
| IMOJEV | 4 |
| Japanese Encephalitis purified inactivated vaccine | 3 |
| JEVAX | 3 |
| Live Attenuated Japanese Encephalitis SA-14-14-2 Vaccine | 3 |
| JECEVAX | 2 |
Showing 5 of 12 interventions.
These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.
Which serious adverse events do Encephalitis, Japanese trials report? (10)
Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.
| Adverse event | Subjects affected | Trials |
|---|---|---|
| Gastroenteritis | 100 | 12 |
| Pneumonia | 74 | 11 |
| Febrile convulsion | 59 | 10 |
| Bronchitis | 39 | 7 |
| Viral infection | 22 | 5 |
Showing 5 of 10 adverse events.
Which publications cover Encephalitis, Japanese? (89)
Shown in this order: major-topic papers first, then newest, then most linked to trials.
Showing 5 of 89 publications.
Prevalence (6)
Shown in this order: jurisdiction, then disease name. Orphanet observation for the mapped ORPHA concept; the mapping relation column says whether that concept is exactly this condition or broader or narrower.
| Orphanet disease | Type | Class | Geography | Jurisdiction | Mapping relation |
|---|---|---|---|---|---|
| Japanese encephalitis | Point prevalence | Unknown | Worldwide | Not stated | Exact |
| Japanese encephalitis | Annual incidence | 1-9 / 1 000 000 | Europe | Not stated | Exact |
| Japanese encephalitis | Point prevalence | Unknown | Worldwide | Not stated | Unspecified |
| Japanese encephalitis | Annual incidence | 1-9 / 1 000 000 | Europe | Not stated | Exact |
| Japanese encephalitis | Point prevalence | Unknown | Worldwide | Not stated | Exact |
Showing 5 of 6 prevalence observations.
Rare-disease identity (2)
Shown in this order: exact, broader, narrower, other.
| Orphanet disease | ORPHA code | Relation | Source |
|---|---|---|---|
| Japanese encephalitis | 79139 | Exact | Orphadata Science knowledge files, Product 1 |
| Japanese encephalitis | 79139 | Exact | Orphanet Rare Disease Ontology (ORDO) |
Not on this page
Not measured: delivery record.
Checked, with nothing recorded for this condition: sub-conditions in mesh.