NCT05969626

Brief Summary

This study was intended to explore the safety and immunogenicity of the test vaccine compared to the control vaccine. The trial consisted of two phases. Phase I used an open-ended design. Phase II used a randomized, blinded, parallel-controlled non-inferiority design with the same type of active vaccine, in which the control vaccine 5-dose group and the test vaccine 5 group were kept blinded throughout, the test vaccine 4-dose B group was kept blinded from the other three groups until visit 4 (D14), and the test vaccine 4-dose A group was kept blinded from the control vaccine 5-dose group and the test vaccine 5-dose group until visit 5 (D28).

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
2,460

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Aug 2023

Shorter than P25 for phase_3

Geographic Reach
1 country

4 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 23, 2023

Completed
9 days until next milestone

First Posted

Study publicly available on registry

August 1, 2023

Completed
Same day until next milestone

Study Start

First participant enrolled

August 1, 2023

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2024

Completed
8 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2024

Completed
Last Updated

August 9, 2023

Status Verified

July 1, 2023

Enrollment Period

8 months

First QC Date

July 23, 2023

Last Update Submit

August 6, 2023

Conditions

Outcome Measures

Primary Outcomes (6)

  • Antibody SCR in 5-dose groups of test vaccine and 5-dose groups of control vaccine

    Antibody Seroconversion rate in 5-dose groups of test vaccine and 5-dose groups of control vaccine

    Day 14

  • Antibody GMC in 5-dose groups of test vaccine and 5-dose groups of control vaccine

    Antibody Geometric Mean Concentration in 5-dose groups of test vaccine and 5-dose groups of control vaccine

    Day 14

  • Antibody SCR in 4-dose groups of test vaccine and 5-dose groups of control vaccine

    Antibody Seroconversion rate in 4-dose groups of test vaccine and 5-dose groups of control vaccine

    Day 14

  • Antibody GMC in 4-dose groups of test vaccine and 5-dose groups of control vaccine

    Antibody Geometric Mean Concentration in 4-dose groups of test vaccine and 5-dose groups of control vaccine

    Day 14

  • Antibody SCR in 5-dose groups of test vaccine and 5-dose groups of control vaccine

    Antibody Seroconversion rate in 5-dose groups of test vaccine and 5-dose groups of control vaccine

    Day 42

  • Antibody SCR in 4-dose groups of test vaccine and 5-dose groups of control vaccine

    Antibody Seroconversion rate in 4-dose groups of test vaccine and 5-dose groups of control vaccine

    Day 42

Study Arms (4)

5-dose group of test vaccine

EXPERIMENTAL
Biological: 5-dose group of test vaccine

5-dose group of control vaccine

ACTIVE COMPARATOR
Biological: 5-dose group of control vaccine

4-dose A group of test vaccine

EXPERIMENTAL
Biological: 4-dose A group of test vaccine

4-dose B group of test vaccine

EXPERIMENTAL
Biological: 4-dose B group of test vaccine

Interventions

Subjects will be vaccinated on days 0, 3, 7, 14, and 28

5-dose group of test vaccine

Subjects will be vaccinated on days 0, 3, 7, 14, and 28

5-dose group of control vaccine

Subjects will be vaccinated on days 0, 3, 7, 14

4-dose A group of test vaccine

Subjects will be vaccinated on days 0, 3, 7, 28

4-dose B group of test vaccine

Eligibility Criteria

Age10 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • The age of the subject is 10-60 years old (≥10 years old, \<61 years old);
  • Subjects aged 10-17 and their guardians can provide valid identification; subjects aged 18-60 can provide valid identification;
  • Subjects aged 10-17 and at least one of their guardians voluntarily participate with informed consent, and sign the Informed Consent for minors and adults respectively; Subjects aged 18-60 voluntarily participate with informed consent and sign the adult version of Informed Consent; Basic reading and writing skills are required;
  • If the subjects are WOCBP (women of childbearing potential), they should not be pregnant or breastfeeding, have a negative urine pregnancy test before vaccination, and have taken effective contraceptive measures within 2 weeks before being enrolled in this study; From enrollment in the study until 6 months after full exemption, no family planning and consent to use effective contraception during the study period. Effective forms of birth control include: oral contraceptives (excluding emergency contraceptives)Injectable or embedded contraception, sustained release topical contraceptives, hormonal patches, intrauterine devices, sterilization, abstinence, condoms (male), isolationMembrane, cervical cap, etc.;
  • \* On the day of enrollment, armpit body temperature of subjects \>14 years old was \<37.3℃, and armpit body temperature of subjects \<14 years old was \<37.5℃;
  • Adult subjects or minor subjects and their guardians shall comply with the requirements of the clinical study protocol.

You may not qualify if:

  • A history of rabies vaccine immunization or rabies virus passive immunization was asked;
  • A history of grade 2 or 3 injury in animals susceptible to rabies virus (cats, dogs, etc.) within 12 months prior to the first dose of vaccination (the assessment criteria was the Technical Guidelines for Rabies Prevention and Control (2016));
  • Plan to participate in other clinical trials during the clinical study;
  • Allergic to any component of the test vaccine; History of severe allergies that require medical intervention, such as anaphylactic shock, allergic laryngeal edema, anaphylactoid purpura, thrombocytopenic purpura, allergic necrosis reaction (Arthus reaction), severe urticaria, dyspnea, angioneurotic edema, etc.;
  • Have been diagnosed with a congenital or acquired immunodeficiency disease, such as HIV infection, lymphoma, leukemia, systemic lupus erythematosus, rheumatoid arthritis, juvenile rheumatoid arthritis, inflammatory bowel disease, or other immune disease that the investigator has determined may affect the evaluation of the trial;
  • Known or suspected serious medical conditions upon inquiry include: severe respiratory diseases, poorly controlled chronic diseases, severe liver and kidney diseases, severe cardiovascular diseases, malignant tumors, etc.;
  • \* Medically unmanageable hypertension, such as systolic blood pressure \>120mmHg and/or diastolic blood pressure \>80mmHg in subjects 10 to 17 years of age prior to enrollment, systolic blood pressure of 140mmHg and/or diastolic blood pressure of 90mmHg in subjects 18 years of age and older;
  • Coagulation dysfunction (e.g. coagulation factor deficiency, coagulation disorders, platelet abnormalities) or coagulation disorders diagnosed by a physician;
  • Asplenia, functional asplenia, and any condition resulting in asplenia or splenectomy;
  • Have received immunosuppressive therapy within 3 months prior to vaccination or plan to receive immunosuppressive therapy throughout the study period;
  • Plan to receive such treatment within 30 days after the first dose to the full dose, such as long-term systemic glucocorticoid therapy (2 weeks or more at a dose of \>2mg/kg/ day or \>20mg/ day of prednisone or equivalent); Allow topical use (such as ointment, eye drops, inhalants or nasal sprays);
  • \* Received immunoglobulins or blood-related products within 3 months prior to vaccination or plan to receive them throughout the study period;
  • \* Acute illness or acute onset of chronic disease within 3 days prior to vaccination;
  • \* Antipyretic, analgesic and anti-allergic drugs were used within 3 days prior to vaccination;
  • \* Have received COVID-19 vaccine or live attenuated vaccine within 28 days prior to vaccination, and have received inactivated vaccines other than COVID-19 inactivated vaccines within 14 days prior to vaccination;
  • +15 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (4)

Sichuan Center for Disease Control and Prevention

Chengdu, Sichuan, 610041, China

Location

Center for Disease Control and Prevention, Mianyang City

Mianyang, Sichuan, 621000, China

Location

Shizhong District, Neijiang City Center for Disease Control and Prevention

Neijiang, Sichuan, 511002, China

Location

Rongxian Center for Disease Control and Prevention

Zigong, Sichuan, 643199, China

Location

MeSH Terms

Conditions

Rabies

Condition Hierarchy (Ancestors)

Rhabdoviridae InfectionsMononegavirales InfectionsRNA Virus InfectionsVirus DiseasesInfections

Central Study Contacts

Ting Huang

CONTACT

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 23, 2023

First Posted

August 1, 2023

Study Start

August 1, 2023

Primary Completion

April 1, 2024

Study Completion

December 1, 2024

Last Updated

August 9, 2023

Record last verified: 2023-07

Locations