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study to assess the safety and immune response of VaxiRab N (rabies vaccine) for prophylaxis against rabies.

An open-label, multicentre, phase IV clinical study to assess the safety and immunogenicity of VaxiRab N administered for prophylaxis against rabies. - NIL

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/06/088685
Enrollment
3000
Registered
2025-06-12
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: Z291- Encounter for prophylactic immunotherapy

Interventions

Intervention1: VaxiRab N : Pre-exposure prophylaxis (PrEP): PrEP consists of a series of 3 doses of 1 ml each administered IM day 0 (visit 1), day 7 (visit 3) and day 28 (visit 5). The vaccine should

Sponsors

Zydus Lifesciences Limited
Lead Sponsor
Cliantha Research Limited
Collaborator

Eligibility

Inclusion criteria

Inclusion criteria: 1. Healthy subjects for pre-exposure prophylaxis or subjects with WHO category II or III animal bites for post-exposure prophylaxis against rabies 2. Written informed consent and assent (if applicable) from adult subjects or parents of minor subjects (less than 18 years) 3. Participants or parents of participants with adequate literacy to fill the diary. Category II - nibbling of uncovered skin, minor scratches or abrasions without bleeding, licks on broken skin Category III single or multiple transdermal bites or scratches, contamination of mucous membrane with saliva from licks; exposure to bat bites or scratches

Exclusion criteria

Exclusion criteria: 1. History of anaphylaxis or serious reactions to other vaccines 2. History of suturing of the wound or application of irritants at the wound site 3. Participants with any clinically significant systemic disorder such as cardiovascular, respiratory, neurologic, gastrointestinal, hepatic, renal, endocrine, hematological, or immunological disorder 4. History of any serious chronic illness or immunosuppression (immunosuppressive illness or therapy) or on steroids 5. Subjects with any acute febrile illness (body temperature greater than or equals to 37.5 C) at the time of enrolment 6. Pregnant or lactating women or planning to become pregnant in the next one year 7. Participation in any clinical trial in the last 3 months 8. Patient with history of drug or alcohol abuse 9. Received any type of rabies vaccine or any dose of rabies immunoglobulin in the past 10. Treated with antimalarial drugs in last 2 months 11. Received blood, blood products, or immunoglobulins during the preceding 3 months 12. Any other vaccine administration within 30 days of initiation of the study

Design outcomes

Primary

MeasureTime frame
To assess the safety profile of VaxiRab N administered for prophylaxis against rabiesTimepoint: Week 1, Week 2, Week 4

Secondary

MeasureTime frame
To evaluate the immunogenicity of VaxiRab N in a subset of 10 percent of subjects Timepoint: 1. Proportion of participants who achieve antibody titre greater than or equals to 0.5 IU/mL on day 0, at week 2 and at week 4. 2. Geometric mean titre of rabies virus neutralizing antibodies on day 0, at week 2 and at week 4.

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