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Chickenpox Vaccine in Healthy Indian Adults and Adolescents

A Prospective, Single Arm, Open Label, Single Center study to evaluate the Immunogenicity and Safety of Two Doses of Live Attenuated Varicella Vaccine (VR 795 Oka Strain) in Healthy Indian Adults and Adolescents

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2017/09/009877
Enrollment
147
Registered
2017-09-20
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

Intervention1: Live Attenuated Varicella Vaccine (VR 795 Oka Strain): Two dose of 0.5ml Freeze-dried, live attenuated Varicella VR 795 Oka strain would be administered subcutaneously.First Dose of Va

Sponsors

Dr Sheila Bhave
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Indian adults and adolescents aged >12 years, of either gender 2.Subjects who are healthy or subject with medical disorder who are clinically stable without any known contraindication for varicella vaccination 3.Subjects with no clinical history of natural infection with varicella (chicken pox) and/or herpes zoster in the past 4.Adults (>= 18 years) who agree to comply with trial requirements and are willing to provide written informed consent. OR Adolescents ( >12 years but

Exclusion criteria

Exclusion criteria: 1.Clinical history of administration of varicella zoster vaccine or Anti VZV immune globulin or any blood products in the previous 6 months 2.History of exposure to varicella / herpes zoster infection in close contacts in past 4 weeks 3.Subjects who have received any live/ killed vaccine in past 4 weeks or are scheduled for receiving any live/ killed vaccine in next 4 weeks 4.Subjects who are pregnant or planning to get pregnant in next 3 months and unwilling to practice any contraception. 5.Subjects (adolescents 6.History of hypersensitivity to vaccine or vaccine formulation component like Neomycin / Kanamycin / etc. 7.Subjects suffering from acute febrile illness or infective clinical condition at time of vaccination 8.History of any congenital / primary / acquired immunodeficiency disorders (viz. innate immunity disorders / HIV ) or any hematological dyscrasias or neoplasms (viz. leukemia, lymphoma, etc.) affecting bone marrow 9.Subjects who have received high corticosteroids (equivalent to prednisolone 20mg daily for more than 2 weeks) or any immunosuppressive therapy in last 3 months 10. Subjects requiring or those who have received Cancer chemotherapy / Radiation in preceding 3 months. 11.Subjects in close contact with susceptible individuals like children, pregnant females or family members with congenital / acquired immunodeficiency or immunosuppressive therapy) or possibility of close contact with such susceptible individuals in next 6 weeks. 12.Subjects with history of / laboratory evidence of any systemic chronic disorders (Tuberculosis/ respiratory/ cardiovascular/ metabolic/ Neurological/ Neoplastic/ etc.) 13.A subject who is judged by the investigator as inappropriate to participate in the study for any reason other than those mentioned above.

Design outcomes

Primary

MeasureTime frame
To evaluate the immunogenicity of two doses of live attenuated varicella (VR 795 Oka strain) vaccine in healthy Indian adults & adolescents as assessed by seroconversion and Anti VZV IgG antibody titers. Timepoint: 6 weeks after first dose and second dose of vaccination.

Secondary

MeasureTime frame
To evaluate the safety of two doses of live attenuated varicella vaccine (VR795 Oka strain) vaccine in healthy Indian adults & adolescents assessed using solicited and unsolicited adverse eventsTimepoint: 6 weeks after first dose and second dose of vaccination.

Countries

India

Contacts

Public ContactDr Sheila Bhave

KEM Hospital Research Centre

sheilabhave@yahoo.co.in9823091871

Outcome results

None listed

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