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A randomized, double-blind, controlled phase III clinical trial to evaluate the immunogenicity and safety of freeze-dried human rabies vaccine (Vero cells) in a 5-dose schedule and a 4-dose (2-1-1) schedule

A randomized, double-blind, controlled phase III clinical trial to evaluate the immunogenicity and safety of freeze-dried human rabies vaccine (Vero cells) in a 5-dose schedule and a 4-dose (2-1-1) schedule

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300073350
Enrollment
Unknown
Registered
2023-07-07
Start date
2021-04-10
Completion date
Unknown
Last updated
2023-07-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

RABV,Rabies virus

Interventions

Four-dose group(Stage 2):Experimental vaccine
Four-dose group(Stage 2):Control vaccine
Five-dose group(Stage 2):Experimental vaccine
Five-dose group(Stage 2):Control vaccine
Four-dose group (Stage 1):Experimental vaccine
Five-dose group (Stage 1):Experimental vaccine

Sponsors

Hunan Provincial Center for Disease Control and Prevention
Lead Sponsor

Eligibility

Sex/Gender
All
Age
10 Years to 60 Years

Inclusion criteria

Inclusion criteria: (1) The subjects and/or their guardians voluntarily agree to participate in the research and sign the adult informed consent form or the minor informed consent form (10 -17 years old and both themselves and their guardians are required to participate in informed consent and signature); (3) Subjects and/or their legal guardians have the ability to understand (non-literate) research procedures and participate in all planned follow-up visits; (4) Enrollment The axillary body temperature of people aged 14 and below on that day was <37.5 °C, and the axillary body temperature of people over 14 years old was <37.3 °C; (5) Female subjects of childbearing age were not breast-feeding or pregnant when they were enrolled (pre-inoculation (on the same day) urine pregnancy) Test negative), no pregnancy plan within 2 months after enrollment, agree to take effective contraceptive measures within 2 months after participating in the study.

Exclusion criteria

Exclusion criteria: (1) History of rabies vaccine immunization or use of rabies virus passive immunization preparations; (2) History of being bitten by mammals (such as dogs, cats, etc.) within 1 year before the first dose of vaccination (wound skin damage); (3) History of severe hypersensitivity to any vaccine component that requires medical intervention in previous vaccination (4) Acute febrile disease (armpit temperature>38.5?) or acute exacerbation of chronic disease within 3 days before vaccination, or taking antipyretic, analgesic, antiallergic drugs; (5) Before the first dose of vaccination Received blood/blood-related products or immune globulin within 3 months; or plan to use such products within 1 month after the last dose of vaccine; (6) Receive any vaccine within 14 days before the first dose of vaccine; ( 7) Asplenia or functional asplenia caused by any condition (such as splenectomy); (8) Has been diagnosed with congenital or acquired immunodeficiency (HIV), or received immunosuppressive therapy within 3 months (such as Long-term use of systemic glucocorticoids (=14 days, dose =20 mg/kg/day)); (9) Severe congenital malformations or autoimmune (hereditary) diseases, serious chronic diseases (including but not limited to: heart disease, kidney disease) , diabetes, hereditary allergy, Guillain-Barre syndrome, etc. with comorbidities), which may affect the research evaluation after evaluation by the investigator; (10) Those with a history or family history of convulsions, epilepsy, encephalopathy, and mental illness (including but not limited to Not limited to: congenital cerebral hypoplasia, traumatic brain injury, brain tumor, cerebral hemorrhage, cerebral nerve tissue damage caused by cerebral obstruction, infection, chemical poisoning, etc.); (11) There are contraindications to intramuscular injection (diagnosed as any coagulation disorder or receiving anticoagulant therapy); (12) participating in other research or unregistered product (drugs, vaccines or devices, etc.) clinical studies, or planning to participate in other clinical studies before the end of this clinical study; (13) ), in the opinion of the investigator, the subject has any condition that may interfere with the assessment of the purpose of the study.

Design outcomes

Primary

MeasureTime frame
Antibody positive conversion rate;geometric mean concentration of antibodies;adverse event;Serious adverse event;

Secondary

MeasureTime frame
Antibody positive conversion rate;Geometric Mean Concentration ,GMC;

Countries

China

Contacts

Public ContactFangjun Li

Hunan Provincial Center for Disease Control and Prevention

ymlc05@hncdc.com+86 135 7410 9585

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026