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hexavalent reassortant rotavirus attenuated live vaccine

Phase 2

Rotavirus Gastroenteritis | Vaccine | Infectious Disease |Sinovac Biotech, Ltd|Trials Updated: Mar 20, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment500

FDA Designations

No designations recorded

hexavalent reassortant rotavirus attenuated live vaccine clinical trials

hexavalent reassortant rotavirus attenuated live vaccine · 2 trials · 1 indication

Phase 2 1Phase 1 1
NCT06967272PhaseⅡClinical Trial of Oral Hexavalent Reassortant Rotavirus Attenuated Live Vaccine (Vero Cells)Rotavirus Gastroenteritis
RECRUITING400 Analytics
PHASE2RECRUITING
PhaseⅡClinical Trial of Oral Hexavalent Reassortant Rotavirus Attenuated Live Vaccine (Vero Cells)
Rotavirus GastroenteritisUnlock trial analytics

Study Endpoints

Primary Endpoints

Evaluate the immunogenicity of the investigational vaccine at different doses
28 days after the full vaccination course

The seroconversion rate of IgA antibodies against vaccine-type rotavirus in serum

Evaluate the safety of the investigational vaccine at different dose
0 day after the first dose till 42 days after the last dose

Incidence of adverse events/reactions

Evaluate the safety of the investigational vaccine
0 day after the first dose till 42 days after the last dose

Incidence of adverse events/reactions

Secondary Endpoints

Evaluate the immunogenicity of the investigational vaccine at different doses
28 days after the full vaccination course
Evaluate the immunogenicity persistence of the investigational vaccine at different doses
12 months after the full vaccination course
Evaluate the safety of the investigational vaccine at different dose
0-30 minutes after each dose
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Low doseEXPERIMENTALThe experimental vaccine will be administered in three doses, with a 28-day interval between each dose.
High doseEXPERIMENTALThe experimental vaccine will be administered in three doses, with a 28-day interval between each dose.
ControlACTIVE_COMPARATORThe controlled vaccine will be administered in three doses, with a 28-day interval between each dose.
AdultEXPERIMENTALThe experimental vaccine will be administered in three doses, with a 28-day interval between each dose.
ChildrenEXPERIMENTALThe experimental vaccine will be administered in three doses, with a 28-day interval between each dose
Infants low-dose 1EXPERIMENTALThey will receive three low-dose experimental vaccine in a double-blind setting, with a 28-day interval between each dose.
Infants low-dose 2PLACEBO_COMPARATORThey will receive three doses of the placebo in a double-blind setting, with a 28-day interval between each dose
Infants high-dose 1EXPERIMENTALThey will receive three high-dose experimental vaccine in a double-blind setting, with a 28-day interval between each dose
Infants high-dose 2PLACEBO_COMPARATORThey will receive three doses of the placebo in a double-blind setting,with a 28-day interval between each dose

Interventions

NameTypeDescription
Oral hexavalent reassortant rotavirus attenuated live vaccineBIOLOGICALOral hexavalent reassortant rotavirus attenuated live vaccine (low-dose) three doses administered orally
Oral pentavalent reassortant rotavirus attenuated live vaccine (controlled)BIOLOGICALThe controlled vaccine three doses administered orally
PlaceboBIOLOGICALPlacebo of experimental vaccine for infants three doses administered orally
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Eligibility Criteria

Age Range6 Weeks to 12 Weeks
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Healthy infants aged 6 to 12 weeks. 2. The legal guardian(s) is/are capable of understanding and voluntarily signing the informed consent form. 3. The legal guardian(s) is/are willing and able to comply with all follow-up visits, sample collection, vaccination, and other stud...

Countries:China
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Frequently asked questions about hexavalent reassortant rotavirus attenuated live vaccine

What is the hexavalent reassortant rotavirus attenuated live vaccine?

It is an investigational oral vaccine designed to prevent rotavirus gastroenteritis. It is a live, attenuated vaccine built from six reassortant rotavirus strains and is given by mouth. Sinovac Biotech, Ltd is developing it, and it is currently in Phase 2 clinical development.

What is the hexavalent reassortant rotavirus attenuated live vaccine used for?

It is being developed for the prevention of rotavirus gastroenteritis. Rotavirus gastroenteritis is the condition studied in its clinical program. The vaccine is given orally and is intended for healthy volunteers, with trials enrolling infants from 6 weeks of age.

Who makes the hexavalent reassortant rotavirus attenuated live vaccine?

Sinovac Biotech, Ltd is developing the hexavalent reassortant rotavirus attenuated live vaccine. The company trades under the ticker SVA. The vaccine is an oral live attenuated product manufactured using Vero cells, as reflected in the trial titles for its Phase 1 and Phase 2 studies.

What phase is the hexavalent reassortant rotavirus attenuated live vaccine in?

The vaccine is in Phase 2 clinical development. A Phase 2 trial is currently recruiting, and a Phase 1 trial has been completed. Across the two trials, approximately 500 participants have been or are being enrolled, and the studies are randomized, double-blind, and placebo-controlled.

What clinical trials is the hexavalent reassortant rotavirus attenuated live vaccine in?

Two trials are registered. NCT06967272 is a recruiting Phase 2 trial with planned enrollment of 400 participants. NCT06950645 is a completed Phase 1 trial with 100 participants. Both were conducted in China, enrolled healthy volunteers from 6 weeks of age, and studied rotavirus gastroenteritis.

Is the oral hexavalent reassortant rotavirus attenuated live vaccine the same as the hexavalent reassortant rotavirus attenuated live vaccine?

Yes, they are the same product. The oral hexavalent reassortant rotavirus attenuated live vaccine is the full name used in the trial titles, and it refers to the same Sinovac Biotech candidate given by mouth. The word oral describes the route of administration rather than a separate vaccine.