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Zinc and probiotics to enhance immunogenicity of oral vaccines

Effect of probiotic and zinc supplementation on systemic immune response to oral rotavirus and oral poliovirus vaccination - ZnP

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2012/05/002677
Enrollment
560
Registered
2012-05-21
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: Lactobacillus GG (contents of 1 capsule once daily in 20 ml of milk) for 6 weeks: The factorial design will result in two arms receiving each of the two interventions (zinc or probiotic

Sponsors

Department of Biotechnology
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: • Infants 35-41 days old. • Live in area under surveillance. • Current weight >=3.2 kg. • No syndromic evidence of immunocompromise. • No prior illness requiring hospitalization. • No current medical condition as determined by medical doctor which precludes study involvement. • Available for follow up for duration of study (through approximately 14 weeks of age). • Parents/guardians of infant are able to understand and follow study procedures and agree to participate in the study by providing signed informed consent.

Exclusion criteria

Exclusion criteria: • Child has history of atopic symptoms. • Child has a known digestive system defect. • Child has history of chronic diarrhea. • Child has major congenital anomalies. • Child has received a prior dose of rotavirus vaccine. • Child has received a prior dose of polio vaccine (beyond the birth dose).

Design outcomes

Primary

MeasureTime frame
â?¢ To evaluate the serologic immune response to rotavirus vaccine among Indian infants receiving zinc supplementation or a probiotic given daily for a week prior to the first dose through a week following the second dose of oral rotavirus vaccine compared to those receiving a zinc or probiotic placebo Timepoint: 4 weeks after the second dose of immunization

Secondary

MeasureTime frame
â?¢ To evaluate the serologic immune response to oral polio vaccine among Indian infants receiving zinc or probiotic supplementation given daily for a week prior to the administration of the first dose through a week following the second dose of oral polio vaccine compared to those receiving a zinc or probiotic placeboTimepoint: 4 weeks after the second dose of immunization

Countries

India

Contacts

Public ContactGagandeep Kang

Christian Medical College, Vellore

gkang@cmcvellore.ac.in0416-228-2052

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Mar 9, 2026