- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04478084
Study of Purified Vero Rabies Vaccine Compared With a Reference Rabies Vaccine as Simulated Rabies Post-Exposure Prophylaxis in Adult and Pediatric Population in Thaïland
Immunogenicity and Safety of a Purified Vero Rabies Vaccine-Serum Free (VRVg) Assessed With the Institut Pasteur du Cambodge (IPC: 2-2-2-0-0) and the Thai Red Cross (TRC: 2-2-2-0-2) Intradermal Regimens as Simulated Rabies Post-exposure Prophylaxis in Healthy Subjects in Thailand
Primary Objective:
To describe the immune response induced by VRVg-2 and Verorab vaccine at Day 14 (to assess the immune response after 3 doses [2-2-2]) and Day 42 (to assess the immune response after 4 doses [2-2-2-0-2]) when administered as standalone in healthy pediatric population or co-administered with HRIG (Group 5 and Group 6) at Day 0 in healthy adults.
Secondary Objectives:
- To describe the immune response induced by VRVg-2 and Verorab vaccine at Day 14 (to assess the immune response after 3 doses [2-2-2]) when co-administered with ERIG (Group 3 and Group 4) at Day 0 in healthy adults
- To describe the immune response induced by VRVg-2 and Verorab vaccine at D90 (to assess the immune response 90 days post-rabies simulated exposure) when administered as standalone in healthy pediatric population or co-administered with HRIG (Group 5 and Group 6) at Day 0 in healthy adults
- To describe the safety profile of VRVg-2 and Verorab vaccine as standalone in pediatric population or when co-administered with ERIG (Group 3 and Group 4) or HRIG (Group 5 and Group 6) at Day 0 in adults, after each vaccination.
Study Overview
Status
Conditions
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Bangkok, Thailand
- Investigational Site Number :7640002
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Bangkok, Thailand, 10400
- Investigational Site Number :7640004
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Khon Kaen, Thailand, 40002
- Investigational Site Number :7640003
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
Inclusion criteria :
- Aged ≥ 1 year on the day of inclusion
- Participant (adult ≥ 18 years without upper age limit) or participant and participant's parent/LAR (child ≥ 1 to < 18 years) are able to attend all scheduled visits and to comply with all study procedures
The following criterion only applies to healthy adults ≥ 18 years:
- Body Mass Index (BMI): 18.5 kg/m2 ≤ BMI ≤ 30 kg/m2
Exclusion Criteria:
Exclusion criteria:
- Pregnant, or lactating, or of childbearing potential and not using an effective method of contraception or abstinence from at least 4 weeks prior to the first vaccination and until 1 month after each vaccination. To be considered of non-childbearing potential, a female must be pre-menarche or post-menopausal for at least 1 year, or surgically sterile.
- Participation at the time of study enrollment or, planned participation during the present study period in another clinical study investigating a vaccine, drug, medical device, or medical procedure
- Receipt of any vaccine in the 4 weeks (28 days) preceding the first study vaccination or planned receipt of any vaccine prior to Visit 8 (D90)
- Previous vaccination against rabies (in pre- or post-exposure regimen) with either the study vaccines or another vaccine
- Bite by, or exposure to a potentially rabid animal in the previous 6 months without post-exposure prophylaxis
- Receipt of immune globulins, blood or blood-derived products in the past 3 months
- Known or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy, such as anti-cancer chemotherapy or radiation therapy, within the preceding 6 months; or long-term systemic corticosteroid therapy (prednisone or equivalent for more than 2 consecutive weeks within the past 3 months)
- At high risk for rabies exposure
- Known systemic hypersensitivity to any of the study/control vaccine components or, for adults, to ERIG Group 3 and Group 4) or HRIG (Group 5 and Group 6), or history of a life-threatening reaction to the vaccines used in the study or to a vaccine containing any of the same substances
- Positive skin test to ERIG at Visit 1 for only adult participants enrolled in Group 3 and Group 4 as per superseded Protocol version 5.0
- Self-reported thrombocytopenia
- Bleeding disorder, or receipt of anticoagulants in the 3 weeks preceding inclusion
- Deprived of freedom by an administrative or court order, or in an emergency setting, or hospitalized involuntarily
- Current alcohol or substance abuse that, in the opinion of the Investigator, might interfere with the study conduct or completion
- Chronic illness that, in the opinion of the Investigator, is at a stage where it might interfere with study conduct or completion
- Moderate or severe acute illness/infection (according to Investigator judgment) on the day of vaccination or febrile illness (temperature ≥ 38.0 C). A prospective subject should not be included in the study until the condition has resolved or the febrile event has subsided
- Personal history of Guillain-Barré syndrome
- Identified as an Investigator or employee of the Investigator or study center with direct involvement in the proposed study, or identified as an immediate family member (ie, parent, spouse, natural or adopted child) of the Investigator or employee with direct involvement in the proposed study
- Receipt of chloroquine or hydroxychloroquine up to 2 months prior to the study or through to study until Visit 8
The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group 1: pediatric participants; VRVg-2
VRVg-2 8 injections: 2 at Day 0, 2 at Day 3, 2 at Day 7, and 2 at Day 28
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Pharmaceutical form:freeze-dried Route of administration: intradermal
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Active Comparator: Group 2: pediatric participants; Verorab
Verorab 8 injections: 2 at Day 0, 2 at Day 3, 2 at Day 7, and 2 at Day 28
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Pharmaceutical form:freeze-dried Route of administration: intradermal
Other Names:
|
Experimental: Group 3: adult participants; VRVG-2 + ERIG
VRVg-2 8 injections: 2 at Day 0, 2 at Day 3 and 2 at Day 7 + ERIG at D0 |
Pharmaceutical form:freeze-dried Route of administration: intradermal
Pharmaceutical form: liquid/solution in 5 mL vials Route of administration: intramuscular
Other Names:
|
Active Comparator: Group 4: adult participants; Verorab + ERIG
Verorab 8 injections: 2 at Day 0, 2 at Day 3 and 2 at Day 7 + ERIG at D0 |
Pharmaceutical form:freeze-dried Route of administration: intradermal
Other Names:
Pharmaceutical form: liquid/solution in 5 mL vials Route of administration: intramuscular
Other Names:
|
Experimental: Group 5: adult participants; VRVG-2 + HRIG
VRVg-2 8 injections: 2 at Day 0, 2 at Day 3, 2 at Day 7, and 2 at Day 28 + HRIG at D0 |
Pharmaceutical form:freeze-dried Route of administration: intradermal
Pharmaceutical form: liquid/solution in 2 mL vials Route of administration: intramuscular
Other Names:
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Active Comparator: Group 6: adult participants; Verorab + HRIG
Verorab 8 injections: 2 at Day 0, 2 at Day 3, 2 at Day 7, and 2 at Day 28 + HRIG at D0 |
Pharmaceutical form:freeze-dried Route of administration: intradermal
Other Names:
Pharmaceutical form: liquid/solution in 2 mL vials Route of administration: intramuscular
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of participants in Group 1, Group 2, Group 5 and Group 6 achieving rabies virus neutralizing antibody (RVNA) titer greater than or equal to (≥) 0.5 IU/mL
Time Frame: Day 14 (post-vaccination)
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RVNA titers will be measured by rapid fluorescent focus inhibition test (RFFIT)
|
Day 14 (post-vaccination)
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Percentage of participants in Group 1, Group 2, Group 5 and Group 6 achieving RVNA titer greater than or equal to (≥) 0.5 IU/mL
Time Frame: Day 42 (post-vaccination)
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RVNA titers will be measured by RFFIT
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Day 42 (post-vaccination)
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Number of Participants in Group 1, Group 2, Group 5 and Group 6 achieving RVNA titer greater than or equal to (≥) lower limit of quantification
Time Frame: Day 14 (post-vaccination)
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RVNA titers will be measured by RFFIT Lower limit of quantification for RFFIT assay is 0.2 IU/mL
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Day 14 (post-vaccination)
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Number of Participants in Group 1, Group 2, Group 5 and Group 6 achieving RVNA titer greater than or equal to (≥) lower limit of quantification
Time Frame: Day 42 (post-vaccination)
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RVNA titers will be measured by RFFIT Lower limit of quantification for RFFIT assay is 0.2 IU/mL
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Day 42 (post-vaccination)
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Geometric Mean Titer Ratio (GMTR) of individual RVNA titer: (post-/pre-vaccination) in Group 1, Group 2, Group 5 and Group 6 Participants
Time Frame: Day 14 (post-vaccination)
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RVNA titers against rabies virus will be measured by RFFIT at Day 0 and Day 14 RVNA ratios Day14/Day0 will be calculated
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Day 14 (post-vaccination)
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Geometric Mean Titer Ratio (GMTR) of individual RVNA titer: (post-/pre-vaccination) in Group 1, Group 2, Group 5 and Group 6 Participants
Time Frame: Day 42 (post-vaccination)
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RVNA titers against rabies virus will be measured by RFFIT at Day 0 and Day 42 RVNA ratios Day42/Day0 will be calculated
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Day 42 (post-vaccination)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of participants reporting immediate adverse events (AEs)
Time Frame: Within 30 minutes post-vaccination
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Includes unsolicited (spontaneously reported) systemic AEs
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Within 30 minutes post-vaccination
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Percentage of participants reporting solicited injection site reactions
Time Frame: Within 7 days post-vaccination
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Solicited injection site reactions:
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Within 7 days post-vaccination
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Percentage of participants reporting solicited systemic reactions
Time Frame: Between Day 0 and Day 3, between Day 3 and Day 7, and during the 7 days following the remaining vaccinations
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Solicited systemic reactions:
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Between Day 0 and Day 3, between Day 3 and Day 7, and during the 7 days following the remaining vaccinations
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Number of participants reporting unsolicited injection site AEs
Time Frame: Within 28 days post-vaccination
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Unsolicited (spontaneously reported) injection site AEs
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Within 28 days post-vaccination
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Number of participants reporting unsolicited systemic AEs
Time Frame: Between each vaccination and up to 28 days after the last vaccination
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Unsolicited (spontaneously reported) systemic AEs
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Between each vaccination and up to 28 days after the last vaccination
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Number of participants reporting serious adverse events (SAEs)
Time Frame: Up to 6 months post-vaccination
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SAEs, including adverse event of special interest (AESIs)
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Up to 6 months post-vaccination
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Percentage of participants in Group 3 and Group 4 achieving rabies virus neutralizing antibody (RVNA) titer greater than or equal to (≥) 0.5 IU/mL
Time Frame: Day 14 (post-vaccination)
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RVNA titers will be measured by RFFIT
|
Day 14 (post-vaccination)
|
Number of Participants in Group 3 and Group 4 achieving RVNA titer greater than or equal to (≥) lower limit of quantification
Time Frame: Day 14 (post-vaccination)
|
RVNA titers will be measured by RFFIT Lower limit of quantification for RFFIT assay is 0.2 IU/mL
|
Day 14 (post-vaccination)
|
Geometric Mean Titer Ratio (GMTR) of individual RVNA titer: (post-/pre-vaccination) in Group 3 and Group 4 Participants
Time Frame: Day 14 (post-vaccination)
|
RVNA titers against rabies virus will be measured by RFFIT at Day 0 and Day 14 RVNA ratios Day14/Day0 will be calculated
|
Day 14 (post-vaccination)
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Percentage of participants in Group 1, Group 2, Group 5 and Group 6 achieving rabies virus neutralizing antibody (RVNA) titer greater than or equal to (≥) 0.5 IU/mL
Time Frame: Day 90 (post-vaccination)
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RVNA titers will be measured by RFFIT
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Day 90 (post-vaccination)
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Number of Participants in Group 1, Group 2, Group 5 and Group 6 achieving RVNA titer greater than or equal to (≥) lower limit of quantification
Time Frame: Day 90 (post-vaccination)
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RVNA titers will be measured by RFFIT Lower limit of quantification for RFFIT assay is 0.2 IU/mL
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Day 90 (post-vaccination)
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Geometric Mean Titer Ratio (GMTR) of individual RVNA titer: (post-/pre-vaccination) in Group 1, Group 2, Group 5 and Group 6 Participants
Time Frame: Day 90 (post-vaccination)
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RVNA titers against rabies virus will be measured by RFFIT at Day 0 and Day 90 RVNA ratios Day90/Day0 will be calculated
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Day 90 (post-vaccination)
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Clinical Sciences & Operations, Sanofi Pasteur, a Sanofi Company
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- VRV09
- U1111-1227-4143 (Registry Identifier: ICTRP)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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