- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04478656
Safety and Immunogenicity of BBV121 (Zika)
Phase 1, Multicenter, Double-Blind, Placebo-Controlled, Randomized Clinical Trial to Evaluate 2 Doses of 3 Sequentially Escalating Cohort of BBV121 in Healthy Adult Dengue Sero-Negative and Dengue Sero-Positive Volunteers
Study Overview
Detailed Description
A phase 1, multicenter, double-blind, placebo-controlled, randomised (intra group) clinical trial to evaluate the safety, tolerability and immunogenicity of two-doses of three-sequentially escalating cohort (2.5 µg, 5 µg and 10 µg) of BBV121 (inactivated adsorbed Zika Virus Vaccine) compared with Placebo (Alum) administered intramuscularly on Day 0 and 28 in healthy adult Dengue Sero-Negative (Group 1) and Dengue Sero-Positive (Group 2) male and female volunteers.
Participants will be assigned to sequential escalating dose level groups to receive vaccinations at 2.5 µg, 5 µg, or 10 µg or Placebo on Day 0 and 28 with follow-up for 12 months from initial administration of the investigational product.
Immunogenicity testing on Day 0, 28 and 56, and post-study at the end of Month 6, 9 and 12 after the initial administration of the investigational product.
Safety tests (laboratory and clinical investigations) will be done during Screening, Day 0, 28, 56, and post-study at Month 6, 9 and 12 months after the initial administration of the investigational product.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
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Telangana
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Hyderabad, Telangana, India, 500078
- Bharat Biotech International Ltd
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Normal healthy male and female volunteers aged between 18 and 65 years weighing at least 50kgs of body weight
- Ability to comprehend the full nature and purpose of the study, including possible risks and adverse events; ability to co-operate with the Investigator and to comply with the requirements of the entire study
- Signed written informed consent prior to inclusion in the study
- Seronegative for Zika by ELISA
- Dengue sero-negative at baseline by screening laboratory evaluation, confirmed by Dengue IgG by ELISA method for Group 1 participants
- Dengue seropositive at baseline by screening laboratory evaluation, confirmed by Dengue IgG by ELISA method for Group 2 participants
- Dengue vaccination or suffered from Dengue viral fever for Group 2 volunteers
- No history of yellow fever vaccination
- No history of vaccination to Japanese encephalitis vaccination
- Since active (live) ZIKV infection is known to cause teratogenicity, women of child-bearing potential should agree to use medically effective contraception (oral contraception, barrier methods, spermicide, etc.), preferably double contraception or have a partner who is sterile from enrollment to 3 months following the last injection, or have a male partner who is medically unable to induce pregnancy.
- Sexually active men who are considered sexually fertile must agree to use either a barrier method of contraception, preferably double contraception during the study, and agree to continue the use for at least 3 months following the last injection, or have a partner who is permanently sterile or is medically unable to become pregnant.
- A negative urine or serum pregnancy test before administration of investigational vaccine on day of screening (Serum Pregnancy Test), and Day 0 and Day 28 (both days Urine Pregnancy Test)
- No history of clinically significant immunosuppressive or autoimmune disease.
Laboratory investigations must be within normal limits
- Hemoglobin >10gm/dL
- WBC (white blood cells) >4000/mm3
- Platelets >100,000/mm3
- Bilirubin and AST/ ALT <1.5 x ULN (upper limit of normal)
- Creatinine <1.5 x ULN for the clinical laboratory
- Not currently or within the previous 4 weeks taking immunosuppressive agents (excluding inhaled, topical skin and/or eye drop-containing corticosteroids, low-dose methotrexate, or corticosteroids at a dose less than 20 mg/day).
- Patients should be otherwise healthy as determined by physical examination, medical history, and no significant abnormality in any of the clinical parameters including ECG and Chest X-ray.
- Willing to allow storage and future use of biological samples for Zika virus related research.
Exclusion Criteria:
- Administration of an investigational vaccine or drug either currently or within 30 days of first BBV121 vaccination
- Previous receipt of an investigational vaccine or drug for the treatment or prevention of Zika virus
- Administration of any vaccine within 4 weeks of first dose
- Administration of any monoclonal or polyclonal antibody product within 4 weeks of the first dose of BBV121 vaccination
- Administration of any blood product within 3 months of first dose
- Pregnancy or breast feeding or plans to become pregnant during the study
- Positive serologic test for HIV, hepatitis B surface antigen (HBsAg); or any potentially communicable infectious disease as determined by the Principal Investigator or Medical Monitor
- Positive serologic test for hepatitis C (exception: successful treatment with confirmation of sustained virologic response);
- Chronic liver disease or cirrhosis
- Immunosuppressive illness including hematologic malignancy, history of solid organ or bone marrow transplantation
- Current or anticipated concomitant immunosuppressive therapy (excluding inhaled, topical skin and/or eye drop-containing corticosteroids, low-dose methotrexate, or corticosteroids at a dose less than 20 mg/day)
- Current or anticipated treatment with TNF-alpha inhibitors such as infliximab, adalimumab, and etanercept
- Prior major surgery or any radiation therapy within 4 weeks of enrolment
- Any pre-excitation syndromes, e.g., Wolff-Parkinson-White syndrome
- Presence of a cardiac pacemaker or automatic implantable cardioverter defibrillator
- Metal implants within 20 cm of the planned site(s) of injection
- Presence of keloid scar formation or hypertrophic scar at the planned site(s) of injection
- Prisoner or participants who are compulsorily detained (involuntary incarceration) for treatment of either a physical or psychiatric illness
- Active addictive drug or alcohol use or dependence that, in the opinion of the investigator, would interfere with adherence to study requirements or assessment of immunologic endpoints
- Blood donations/ losses within 2 months of screening
- Significant orthostatic hypotension (i.e., a drop in systolic blood pressure of 30 mm Hg or more and/or a drop in diastolic blood pressure of 20 mmHg or more on standing)
- Prior radiotherapy in 30 days or less
Significant pre-existing co-morbidities i. Cardiovascular
- Myocardial infarction within the last 6 months
- Congestive heart failure
- Unstable angina
- Active cardiomyopathy
- Cardiac arrhythmia
- Uncontrolled hypertension
- History of familial long QT syndrome or sudden cardiac death ii. Pulmonary disease requiring oxygen iii. Neurologic and psychiatric
- History of significant neurologic or psychiatric disorder that would preclude study compliance or ability to give informed consent iv. Rheumatic arthralgia
- Participants not having adequate hematologic reserve i. Hemoglobin <10gm/dL ii. WBC (white blood cells) <4000/mm3 iii. ANC (absolute neutrophils count) <2000/ mm3 iv. Platelets <100,000/mm3
Inadequate hepatic function at screening as defined by:
i. Bilirubin >1.5 x ULN (upper limit of normal) ii. AST/ ALT >1.5 x ULN
Inadequate renal function at screening as defined by:
i. Creatinine >1.5 x ULN for the clinical laboratory
- An unusual or abnormal diet, for whatever reason e.g. religious fasting
- Any illness or condition that in the opinion of the investigator may affect the safety of the participant or the evaluation of any study endpoint
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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EXPERIMENTAL: BBV121-2.5 µg
BBV121: Each 0.5ml vial contain purified10 µg inactivated Zika virus, alum, 2-PE and phosphate buffered saline qs to 0.5mL
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BBV121 or Placebo are administered intramuscularly in deltoid region on Day 0 and 28
Other Names:
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PLACEBO_COMPARATOR: Placebo
Each 0.5ml vial contain purified 2.5 µg, 5 µg or 10 µg inactivated Zika virus, alum, 2-PE and phosphate buffered saline qs to 0.5mL
|
BBV121 or Placebo are administered intramuscularly in deltoid region on Day 0 and 28
Other Names:
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EXPERIMENTAL: BBV121-5 µg
BBV121: Each 0.5ml vial contain purified inactivated Zika virus, alum, 2-PE and phosphate buffered saline qs to 0.5mL
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BBV121 or Placebo are administered intramuscularly in deltoid region on Day 0 and 28
Other Names:
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EXPERIMENTAL: BBV121-10 µg
BBV121: Each 0.5ml vial contain purified inactivated Zika virus, alum, 2-PE and phosphate buffered saline qs to 0.5ml
|
BBV121 or Placebo are administered intramuscularly in deltoid region on Day 0 and 28
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Occurrence of adverse events and Serious Adverse events
Time Frame: Within 2 hrs
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safety
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Within 2 hrs
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Occurrence of adverse events and Serious Adverse events
Time Frame: 7 Days
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safety
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7 Days
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Occurrence of adverse events and Serious Adverse events
Time Frame: 12 months
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safety
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12 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Geometric mean titre estimated by 50% plaque reduction neutralization test and four-fold seroconversion
Time Frame: Day 0
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Immunogenicity
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Day 0
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Geometric mean titre estimated by 50% plaque reduction neutralization test and four-fold seroconversion
Time Frame: Day 28
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Immunogenicity
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Day 28
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Geometric mean titre estimated by 50% plaque reduction neutralization test and four-fold seroconversion
Time Frame: Day 56
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Immunogenicity
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Day 56
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Geometric mean titre estimated by 50% plaque reduction neutralization test
Time Frame: Day 365
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Immunogenicity
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Day 365
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Collaborators and Investigators
Investigators
- Study Chair: Sudhakar Bangera, Bharat Biotech International Limited
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- BBIL/ZIKV/I/2016
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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