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study to evaluate immune response and safety of ZyVac TCV vaccine in malnourished children as compared to healthy children.

A prospective, parallel, open-label, two-arm, multicentre, phase IV clinical trial to evaluate the immunogenicity and safety of Typhoid Vi Conjugate Vaccine I.P. of M/s. Zydus Lifesciences Ltd. in malnourished children as compared to healthy children. - NIL

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/06/089446
Enrollment
300
Registered
2025-06-24
Start date
Unknown
Completion date
Unknown
Last updated
2026-09-14

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

Conditions

Health Condition 1: R62- Lack of expected normal physiological development in childhood and adults

Interventions

Intervention1: ZyVac TCV: Day 0 - Participants of both study groups will receive a 0.5 mL single dose of Typhoid Vi Conjugate Vaccine I.P. of M/s. Zydus Lifesciences Ltd. as an intramuscular injectio

Sponsors

Zydus Lifesciences Limited
Lead Sponsor
Cliantha Research Limited
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: 1. Male or female aged 6 months (completed months) to less than 5 years (5 years old child cannot be enrolled). 2. Healthy or with moderate to severe malnutrition as per WHO growth standards (Refer Appendix I) 3. No previous history of vaccination (oral or injectable) against typhoid fever 4. Parents literate enough to fill the participant diary 5. Participants and their parents likely to be available for follow-up for entire duration of the study 6. Availability of informed consent from the parents of participants

Exclusion criteria

Exclusion criteria: 1. History of hypersensitivity reaction or serious adverse event to any component of the vaccine 2. History of laboratory confirmed or suspected typhoid fever in the past 3 years 3. Fever of any origin or infectious disorder of 3 days or more within the past month 4. Febrile illness (body temperature greater than or equals to 37.5 C) at the time of enrollment 5. History of any vaccination within the past 4 weeks 6. Clinically significant systemic disorder, such as cardiovascular, respiratory, neurologic, gastrointestinal, hepatic, renal, endocrine, hematological, immunological, or major congenital 7. Confirmed or suspected immunosuppressive or immunodeficiency disorder or on any immune-suppressive or immunostimulant therapy 8. Known case of thrombocytopenia or any coagulation disorder, or on anticoagulation therapy 9. Administered with blood, blood containing products, or immunoglobulins within the last 3 months or planned administration during the duration of the study 10. Participation in any clinical trial in the last 3 months 11. Any other reason, in the opinion of the investigator, due to which participation is not recommended

Design outcomes

Primary

MeasureTime frame
Seroconversion rate at 28 days after vaccinationTimepoint: 4 weeks

Secondary

MeasureTime frame
1. Seroconversion: Seroconversion rate at 180 days after vaccination 2. Geometric mean titer: bodies at the baseline and at 28 and 180 days after vaccination 3. Solicited local and systemic AEs reported during the study 4. Unsolicited AEs reported during the study 5. Medically attended AEs reported during the study 6. Serious AEs reported during the study Timepoint: 1. 26 Weeks 2. At 4 weeks and 26 Weeks 3. During the Study 4. During the Study 5. During the Study 6. During the Study

Countries

India

Contacts

Public ContactMr Devesh Verma

Cliantha Research Limited

abarnwal@cliantha.com07966219500

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Sep 19, 2026