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Hepatitis A clinical trials

The registry lists 82 studies for Hepatitis A across more than 10 countries. 9 are recruiting or about to start. 51 of them are mainly about Hepatitis A (how this is decided). Per ClinicalTrials.gov, last updated 2026-10-22.

Get an email when these change. Save the Hepatitis A studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.

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Example · made-up studies

Breast cancer · Recruiting: 2 came in, 3 changed

What changed in your saved searches, Oct 31 – Nov 6:

A study of drug A after surgery for early breast cancer

Came in · now Recruiting

Drug B with hormone therapy in advanced breast cancer

Changed

· Sites: 4 added, including Seoul and Busan

· Enrollment: 300 → 450 participants

Exercise during chemotherapy

Now Active, not recruiting

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Status

Completed
59
Not yet recruiting
6
Status unknown
5
Withdrawn
5
Recruiting
3
Active, not recruiting
3

Phase

Phase 4
32
Phase 3
21
Phase 2
6
Phase 1
1

Where

China
17
Belgium
15
United States
7
Thailand
7
Czechia
6
Germany
3

Who runs them

GlaxoSmithKline (27) · Sinovac Biotech Co., Ltd (8) · Sanofi Pasteur, a Sanofi Company (6) · Crucell Holland BV (3) · Chiang Mai University (3) · China National Biotec Group Company Limited (2) · Assiut University (2) · Institute of Medical Biology, Chinese Academy of Medical Sciences (2)

Coming up

1phase 3 study under way
3studies 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 3

Who these studies take

Of the 3 Hepatitis A studies recruiting now, 0 (0%) set no upper age limit and 3 (100%) stop at 75 or younger. 1 (33%) take children under 18. 0 (0%) are for women only and 0 (0%) for men only; 2 (67%) take healthy volunteers.

Recruiting studies that take each age, of 3
AgeWomenMen
101 (33%)1 (33%)
182 (67%)2 (67%)
302 (67%)2 (67%)
402 (67%)2 (67%)
502 (67%)2 (67%)
652 (67%)2 (67%)
751 (33%)1 (33%)
850 (0%)0 (0%)

Across all 82 studies, recruiting or not: 72% stop at 75 or younger and 68% at 65; 67% take children; 2% are for women only and 1% for men only; 80% take healthy volunteers. From each study’s registry entry; the criteria on its page decide.

What changed recently

From the registry's own updates since Oct 13, 2026.

Newly registered1

Studies

Recruiting first, then most recently updated. Showing 50 of 82. Browse all 82 → or search them.