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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04478656
Other study ID # BBIL/ZIKV/I/2016
Secondary ID
Status Completed
Phase Phase 1
First received
Last updated
Start date June 3, 2017
Est. completion date November 15, 2018

Study information

Verified date October 2020
Source Bharat Biotech International Limited
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

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 (purified inactivated adsorbed Zika virus vaccine) compared with Placebo (Alum). The investigational product is administered intramuscularly on Day 0 and 28 with safety and immunogenicity testing on Day 0, 28 and 56, and Month 6, 9 and 12


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.


Recruitment information / eligibility

Status Completed
Enrollment 48
Est. completion date November 15, 2018
Est. primary completion date November 15, 2017
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: 1. Normal healthy male and female volunteers aged between 18 and 65 years weighing at least 50kgs of body weight 2. 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 3. Signed written informed consent prior to inclusion in the study 4. Seronegative for Zika by ELISA 5. Dengue sero-negative at baseline by screening laboratory evaluation, confirmed by Dengue IgG by ELISA method for Group 1 participants 6. Dengue seropositive at baseline by screening laboratory evaluation, confirmed by Dengue IgG by ELISA method for Group 2 participants 7. Dengue vaccination or suffered from Dengue viral fever for Group 2 volunteers 8. No history of yellow fever vaccination 9. No history of vaccination to Japanese encephalitis vaccination 10. 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. 11. 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. 12. 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) 13. No history of clinically significant immunosuppressive or autoimmune disease. 14. Laboratory investigations must be within normal limits 1. Hemoglobin >10gm/dL 2. WBC (white blood cells) >4000/mm3 3. Platelets >100,000/mm3 4. Bilirubin and AST/ ALT <1.5 x ULN (upper limit of normal) 5. Creatinine <1.5 x ULN for the clinical laboratory 15. 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). 16. 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. 17. Willing to allow storage and future use of biological samples for Zika virus related research. Exclusion Criteria: 1. Administration of an investigational vaccine or drug either currently or within 30 days of first BBV121 vaccination 2. Previous receipt of an investigational vaccine or drug for the treatment or prevention of Zika virus 3. Administration of any vaccine within 4 weeks of first dose 4. Administration of any monoclonal or polyclonal antibody product within 4 weeks of the first dose of BBV121 vaccination 5. Administration of any blood product within 3 months of first dose 6. Pregnancy or breast feeding or plans to become pregnant during the study 7. 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 8. Positive serologic test for hepatitis C (exception: successful treatment with confirmation of sustained virologic response); 9. Chronic liver disease or cirrhosis 10. Immunosuppressive illness including hematologic malignancy, history of solid organ or bone marrow transplantation 11. 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) 12. Current or anticipated treatment with TNF-alpha inhibitors such as infliximab, adalimumab, and etanercept 13. Prior major surgery or any radiation therapy within 4 weeks of enrolment 14. Any pre-excitation syndromes, e.g., Wolff-Parkinson-White syndrome 15. Presence of a cardiac pacemaker or automatic implantable cardioverter defibrillator 16. Metal implants within 20 cm of the planned site(s) of injection 17. Presence of keloid scar formation or hypertrophic scar at the planned site(s) of injection 18. Prisoner or participants who are compulsorily detained (involuntary incarceration) for treatment of either a physical or psychiatric illness 19. 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 20. Blood donations/ losses within 2 months of screening 21. 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) 22. Prior radiotherapy in 30 days or less 23. 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 24. 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 25. 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 26. Inadequate renal function at screening as defined by: i. Creatinine >1.5 x ULN for the clinical laboratory 27. An unusual or abnormal diet, for whatever reason e.g. religious fasting 28. 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 Design


Related Conditions & MeSH terms


Intervention

Biological:
BBV121
BBV121 or Placebo are administered intramuscularly in deltoid region on Day 0 and 28

Locations

Country Name City State
India Bharat Biotech International Ltd Hyderabad Telangana

Sponsors (1)

Lead Sponsor Collaborator
Bharat Biotech International Limited

Country where clinical trial is conducted

India, 

Outcome

Type Measure Description Time frame Safety issue
Primary Occurrence of adverse events and Serious Adverse events safety
Incidence of solicited AEs post-vaccination
Incidence of unsolicited AEs post-vaccination
Incidence of SAE
Within 2 hrs
Primary Occurrence of adverse events and Serious Adverse events safety 7 Days
Primary Occurrence of adverse events and Serious Adverse events safety 12 months
Secondary Geometric mean titre estimated by 50% plaque reduction neutralization test and four-fold seroconversion Immunogenicity Day 0
Secondary Geometric mean titre estimated by 50% plaque reduction neutralization test and four-fold seroconversion Immunogenicity Day 28
Secondary Geometric mean titre estimated by 50% plaque reduction neutralization test and four-fold seroconversion Immunogenicity Day 56
Secondary Geometric mean titre estimated by 50% plaque reduction neutralization test Immunogenicity Day 365
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