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A clinical trial to evaluate the immunological non-interference of typhoid Vi conjugate vaccine with yellow fever vaccine administered to healthy subjects

A prospective, randomized, parallel, three-arm, open-label, multicenter, phase IV clinical trial to evaluate the immunological non-interference of Typhoid Vi conjugate vaccine with Yellow fever vaccine administered to healthy subjects - Indian

Status
Active, not recruiting
Phases
Phase 4
Study type
Observational
Source
CTRI
Registry ID
CTRI/2024/01/061080
Enrollment
714
Registered
2024-01-02
Start date
Unknown
Completion date
Unknown
Last updated
2026-04-27

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

Conditions

None listed

Interventions

Intervention1: Typhoid Vi Conjugate Vaccine I.P. of M/s. Zydus Lifesciences Limited & Yellow Fever Vaccine (WHO prequalified): TCV: The vaccine will be available in the liquid form. A 0.5 ml single do

Sponsors

Zydus Lifesciences Limited
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Subjects of either gender of 9 months to 65 years of age (both inclusive) 2. Subjects should be in a good health as determined by the medical history and physical examination based on clinical judgment of the investigator 3. No previous history of vaccination (oral or injectable) against typhoid fever or yellow fever 4. Informed consent from the adult subjects or from the parents of pediatric subjects. Additionally, assent from pediatric subjects aged 7 to 5. Adult subjects or parents of pediatric subjects literate enough to fill the diary card

Exclusion criteria

Exclusion criteria: 1. History of hypersensitivity reaction to any component of the study vaccines including egg and chicken proteins 2. History of laboratory confirmed or suspected typhoid fever in the past 3 years 3. History of laboratory confirmed or suspected yellow fever in the past 4. Fever of any origin or infectious disorder of 3 days or more within the past month 5. Febrile illness (body temperature >=37.5°C) at the time of enrollment 6. Subjects positive for serological markers against Dengue infection(NS1 antigen, IgM and IgG antibodies) 7. History of any vaccination within the past month 8. Clinically significant systemic disorder such as cardiovascular, respiratory, neurologic, gastrointestinal, hepatic, renal, endocrine, hematological or immunological disorder 9. Confirmed or suspected immunosuppressive or immunodeficiency disorder; or subjects on any immunosuppressive or immunostimulant therapy 10. Known case of thrombocytopenia or any coagulation disorder, or subjects on anticoagulation therapy 11. Subjects administered blood, blood containing products or immunoglobulins within the last 3 months or planned administration during the study 12. Pregnant and lactating women & female subjects not using acceptable contraceptive measures (double barrier methods, oral or injectable hormonal contraceptives or surgical sterilization) 13. Subject participated in another clinical study in the past 3 months 14. Subject with history of alcohol or drug abuse in the past one year 15. Any other reason for which the investigator feels that subject should not participate

Design outcomes

Primary

MeasureTime frame
Non-inferiority for seroconversion for anti-Vi and anti-YF IgG antibodies at 28 days after vaccinationTimepoint: At 28 days after respective vaccination

Secondary

MeasureTime frame
Immunogenicity-Geometric mean titre of anti-Vi and anti-YF IgG antibodies at 28 days after vaccinationTimepoint: At 28 days after respective vaccination;Safety- Solicited local and systemic adverse events & Unsolicited adverse events reported during the studyTimepoint: Throughout the study duration;Safety-Serious adverse events reported during the studyTimepoint: Throughout the study duration

Countries

India

Contacts

Public ContactDr Pavan Daultani

Zydus Lifesciences Limited

dparmar@zydustherapeutics.com02717665555

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: May 1, 2026