Rotavirus Infections
Conditions
Keywords
Rotavirus, ROTAVAC, Vaccine, Vietnam
Brief summary
An open label study to evaluate immunogenicity, safety, and reactogenicity of Rotavac® (live attenuated oral rotavirus vaccine) as a 3-dose series in healthy infants aged between 6 weeks and 8 weeks in Vietnam.
Interventions
Rotavac® is in frozen form and is thawed till fully liquid prior to administration.
Sponsors
Study design
Masking description
An open label study to evaluate immunogenicity, safety, and reactogenicity of Rotavac® (live attenuated rotavirus vaccine) as a 3-dose series in healthy infants aged between 6 weeks and 8 weeks in Vietnam
Eligibility
Inclusion criteria
* Healthy infants as established by medical history and clinical examination before entering the study. * Age: 6-8 weeks * Weight ≥ 2.5kg at birth. * Infants received EPI vaccines at birth (i.e., OPV, BCG and/or Hep B) * Parental ability and willingness to provide informed consent. * Parent who intends to remain in the area with the participant during the study period.
Exclusion criteria
* Presence of diarrhea or vomiting in the previous 72 hours or on the day of enrollment (temporary exclusion). * Presence of fever (temperature ≥37.5oC) or hypothermia (temperature ≤35.5oC) on the day of enrollment (temporary exclusion). * Concurrent participation in another clinical trial. * Presence of significant malnutrition or any systemic disorder (cardiovascular, pulmonary, hepatic, renal, gastrointestinal, hematological, endocrine, immunological, dermatological, neurological, cancer or autoimmune disease) as determined by medical history and/or physical examination which would compromise the infant's health or is likely to result in non-conformance to the protocol. * History of congenital abdominal disorders, intussusception, abdominal surgery * Known or suspected impairment of immunological function based on medical history and physical examination. * Prior receipt of rotavirus vaccine. * A known sensitivity or allergy to any components of the study medication. * Major congenital or genetic defect. * Participant's parents not able, available or willing to accept active follow-up by the study staff. * Has received any immunoglobulin therapy and/or blood products since birth or planned administration during the study period. * History of chronic administration (defined as more than 14 days) of immunosuppressants including corticosteroids. Infants on inhaled or topical steroids may be permitted to participate in the study. * History of any neurologic disorders or seizures. * Any medical condition in the parents/infants that, in the judgment of the investigator, would interfere with or serves as a contraindication to protocol adherence or a participant's parent's/legally acceptable representative's ability to give informed consent.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Frequency and rate of the AEs within 30 minutes after vaccination | 30 minutes after vaccination | Frequency and rate of the adverse effects and severity of immediate adverse events (Local and General) within 30 minutes after vaccination |
| Frequency and rate of the AEs within 7 days after vaccination | for 7 days after each vaccination | Frequency and rate of adverse effects and severity of solicited adverse events (Local and General) within 7 days after each vaccination |
| Frequency and rate of the AEs during 28 days after vaccination | for 28 days after vaccination | Frequency and rate of adverse effects and severity of unsolicited adverse events (Local and General) during 28 days after each vaccination |
| Frequency and rate of the SAEs during 28 days after vaccination | for 28 days after vaccination | Frequency and rate of adverse effects and severity of Serious Adverse Events (Local and General) during 28 days after each vaccination |
Countries
Vietnam