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SNA02-48

Phase 3

Tetanus | Monoclonal antibody | Infectious Disease |Sinovac Biotech, Ltd|Last Updated: Jun 8, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials2
Total Enrollment855

FDA Designations

No designations recorded

Clinical trial landscape

SNA02-48 · 2 trials · 1 indication

Phase 3 1Phase 1 1
NCT07633119A Phase Ⅲ Clinical Study of SNA02-48 InjectionTetanus
NOT YET_RECRUITING600 Analytics
PHASE3NOT YET_RECRUITING
A Phase Ⅲ Clinical Study of SNA02-48 Injection
TetanusUnlock trial analytics

Study Endpoints

Primary Endpoints

The proportion of participants with an increase of anti-tetanus neutralizing antibody titers (∆ titers) over protective level.
Baseline up to 12 hours after receipt of study drug
Incidence of adverse reactions
Up to 105 days
The increase in serum tetanus antibody levels from baseline at 12 hours post-administration
12 hours after administration

Secondary Endpoints

The incidence of tetanus
Up to 105 days after receipt of study drug
anti-tetanus neutralizing antibody titers
Up to 90 days after receipt of study drug
Incidence of adverse events
Up to 105 days after receipt of study drug
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
SNA02-48EXPERIMENTALIf randomized to SNA02-48, participant will receive a single IM gluteal injection of SNA02-48
Human tetanus immunoglobulin (HTIG)ACTIVE_COMPARATORIf randomized to HTIG, participant will receive a single IM gluteal injection of HTIG
Cohort 1:low-dose SNA02-48/placebo (Phase I)EXPERIMENTALParticipants will be randomly assigned to receive either low-dose SNA02-48 or placebo.
Cohort 2: medium-dose SNA02-48/placebo (Phase I)EXPERIMENTALParticipants will be randomly assigned to receive either medium-dose SNA02-48 or placebo.
Cohort 3: high-dose SNA02-48/placebo (Phase I)EXPERIMENTALParticipants will be randomly assigned to receive either high-dose SNA02-48 or placebo.
Group A :low-dose SNA02-48 + placebo (Phase II)EXPERIMENTALParticipants will receive a single intramuscular (IM) gluteal injection of low-dose SNA02-48 and a single IM deltoid injection of placebo
Group B : medium-dose SNA02-48 + placebo (Phase II)EXPERIMENTALParticipants will receive a single IM gluteal injection of medium-dose SNA02-48 and a single IM deltoid injection of placebo
Group C : high-dose SNA02-48 + placebo (Phase II)EXPERIMENTALParticipants will receive a single IM gluteal injection of high-dose SNA02-48 and a single IM deltoid injection of placebo
Group D : low-dose SNA02-48 + Tetanus Toxoid (Phase II)EXPERIMENTALParticipants will receive a single IM gluteal injection of low-dose SNA02-48 and a single IM deltoid injection of Tetanus Toxoid(TT)
Group E : medium-dose SNA02-48 + Tetanus Toxoid (Phase II)EXPERIMENTALParticipants will receive a single IM gluteal injection of medium-dose SNA02-48 and a single IM deltoid injection of Tetanus Toxoid(TT)
Group F : high-dose SNA02-48 + Tetanus Toxoid (Phase II)EXPERIMENTALParticipants will receive a single IM gluteal injection of high-dose SNA02-48 and a single IM deltoid injection of Tetanus Toxoid(TT)
Group G : placebo + Tetanus Toxoid (Phase II)PLACEBO_COMPARATORParticipants will receive a single IM gluteal injection of placebo and a single IM deltoid injection of Tetanus Toxoid(TT)
Group H : Human tetanus immunoglobulin(HTIG) + placebo (Phase II)ACTIVE_COMPARATORParticipants will receive a single IM gluteal injection of Human tetanus immunoglobulin(HTIG) and a single IM deltoid injection of placebo
Group I : Human tetanus immunoglobulin(HTIG) + Tetanus Toxoid(TT) (Phase II)ACTIVE_COMPARATORParticipants will receive a single IM gluteal injection of Human tetanus immunoglobulin(HTIG) and a single IM deltoid injection of Tetanus Toxoid(TT)

Interventions

NameTypeDescription
SNA02-48DRUGIM gluteal injection
Human tetanus immunoglobulin (HTIG)DRUGIM gluteal injection
PlaceboBIOLOGICALintramuscular injection
HTIGBIOLOGICALintramuscular injection
Tetanus ToxoidBIOLOGICALintramuscular injection
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites30

Inclusion Criteria: 1. Males or females aged 18 years and above; 2. Participants who can understand and voluntarily sign the informed consent form; 3. Participants with high-risk tetanus exposure; 4. Participants of childbearing potential and their sexual partners voluntarily adopt effective contra...

Countries:China
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Recent Changes (Last 90 Days)

MEDIUMJul 4, 2026NCT06939777TRIAL_REMOVED: changed
MEDIUMJul 4, 2026NCT06939777TRIAL_REMOVED: changed
MEDIUMJul 4, 2026NCT06939777TRIAL_REMOVED: changed
LOWJun 8, 2026NCT07633119NEW_TRIAL: changed
LOWJun 8, 2026NCT07633119NEW_TRIAL: changed
LOWJun 8, 2026NCT07633119NEW_TRIAL: changed
HIGHJun 7, 2026NCT06939777Status: NOT_YET_RECRUITING → COMPLETED
HIGHJun 7, 2026NCT06939777Status: NOT_YET_RECRUITING → COMPLETED
HIGHJun 7, 2026NCT06939777Status: NOT_YET_RECRUITING → COMPLETED
HIGHJun 7, 2026NCT06939777Status: NOT_YET_RECRUITING → COMPLETED
HIGHJun 7, 2026NCT06939777Status: NOT_YET_RECRUITING → COMPLETED
HIGHJun 7, 2026NCT06939777Status: NOT_YET_RECRUITING → COMPLETED

Frequently asked questions about SNA02-48

What is SNA02-48 used for?

SNA02-48 is an investigational monoclonal antibody being developed for tetanus, an infectious disease. It is currently in Phase 3 clinical development and is not yet approved by regulatory authorities. The drug is being studied in adult participants in China.

Who makes SNA02-48?

SNA02-48 is being developed by Sinovac Biotech, Ltd, a biopharmaceutical company listed on the stock exchange under the ticker SVA. The company is conducting clinical trials for this investigational monoclonal antibody in China.

What phase is SNA02-48 in?

SNA02-48 is in Phase 3 clinical development for tetanus. A Phase 1 study has been completed, and a Phase 3 trial is planned but has not yet started recruiting participants. The drug remains investigational and has not been approved.

What clinical trials is SNA02-48 in?

SNA02-48 has been studied in two clinical trials. A completed Phase 1 trial, NCT06939777, evaluated safety and pharmacokinetics in 255 healthy Chinese adults. A Phase 3 trial, NCT07633119, is planned with 600 participants and is not yet recruiting.

How does SNA02-48 work?

SNA02-48 is a monoclonal antibody, which is a type of protein designed to bind to a specific target in the body. For tetanus, the antibody is intended to neutralize the toxin that causes the disease. The exact molecular target has not been disclosed.

Is SNA02-48 the same as any other drug?

SNA02-48 is the name used in clinical trials for this investigational monoclonal antibody. No alternative names have been reported for this drug. It is being studied under this name in trials registered with ClinicalTrials.gov.