Clinical trial
The Phase IV, Follow-up Study to Evaluate the 17-year Immune Persistence of a Single Dose of Inactivated or Alive Attenuated Hepatitis A Vaccine in Healthy Chinese Participants in the Parent Trial(PRO-HA-4013 )
NCT07855705 is registered in ClinicalTrials.gov with Sinovac Biotech Co., Ltd as lead sponsor.
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Registry record
As filed in ClinicalTrials.gov.
- Title
- The Phase IV, Follow-up Study to Evaluate the 17-year Immune Persistence of a Single Dose of Inactivated or Alive Attenuated Hepatitis A Vaccine in Healthy Chinese Participants in the Parent Trial(PRO-HA-4013 )
- Lead sponsor
- Sinovac Biotech Co., Ltd
- Phase
- Observational
- Overall status
- Completed
- Start date
- January 13, 2026
- Completion date
- March 9, 2026
- Enrollment
- 105 (actual)
- Sites
- 1
Conditions
As the registry lists them; a condition with its own page is linked.