Status:

COMPLETED

A Study of SII Yellow Fever Vaccine to Compare Safety and Immunogenicity With STAMARIL

Lead Sponsor:

Serum Institute of India Pvt. Ltd.

Conditions:

Yellow Fever

Eligibility:

All Genders

1-99 years

Phase:

PHASE3

Brief Summary

The study is designed as a Phase III, double-blind, multicenter, randomized, active-controlled, parallel-group design in which two groups of participants will receive either SII-YFV or STAMARIL® - a l...

Detailed Description

There will be three scheduled visits during the study. A screening and vaccination visit (Day 0) followed by additional study visits on Day 28 and on Day 180 post-vaccination. Throughout the study, pa...

Eligibility Criteria

Inclusion

  • Male or female volunteers aged ≥ 1 year
  • Healthy volunteers as determined by medical history and clinical examination
  • Participants willing to adhere to the protocol requirements and to provide informed consent for participants ≥ 18 years of age. For participants \< 18 years of age, parental/guardian ability and willingness to provide informed consent (as per local requirements/procedures) and additional informed assent from participants, as appropriate for participating community (i.e. participants at least 7 years of age in Kenya)
  • Intend to remain residing in study area throughout the study participation
  • Female participants of childbearing potential\* must have practiced adequate contraception\*\* and agree to continue adequate contraception till Day 28 post-vaccination.
  • Female participants of childbearing potential must have a negative pregnancy test within 24 hours prior to IP administration.
  • Be willing to avoid the use of traditional/herbal local medications and treatments for the duration of the study

Exclusion

  • Fever (\> 37.5°C) or any clinically significant acute infection at time of vaccination \[Temporary exclusion criteria - participants may be re-screened at least 48 hours after the last recorded fever\]
  • Use of systemic (oral or parenteral) antibiotics or antiviral agents within the past 7 days. \[Temporary exclusion criteria - participants may be re-screened at least 7 days after last dose of antibiotics or antiviral agents\]
  • Use of traditional/herbal local medications and treatments in the past 7 days \[Temporary exclusion criteria - participants may be re-screened at least 7 days after last consumption of traditional/herbal local medications and treatment\]
  • Previous history of laboratory confirmed infection with yellow fever and other flaviviruses e.g., dengue fever, tick-borne-encephalitis (TBE), Japanese encephalitis (JE), West Nile virus (WNV), zika virus, etc.
  • Previous vaccination against yellow fever, TBE, JE, or dengue fever.
  • Receipt of any vaccine within past 28 days or planned vaccination until completion of Day 28 visit
  • Known or suspected impairment of immunological function based on medical history and physical examination.
  • Presence of 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 participant's health or is likely to result in nonconformance to the protocol
  • History of chronic administration (defined as more than 14 consecutive days) of immunosuppressant (\> 0.5 mg/kg/day of prednisolone or equivalent) or other immune modifying drugs including the use of glucocorticoids. The use of topical/inhaled/per nasal glucocorticoids will be permitted.
  • A known hypersensitivity to any of the vaccine components (including gelatin, eggs, egg products, or chicken protein) or history of a life-threatening reaction to any past vaccine.
  • Receipt of any immunoglobulin therapy and / or blood products in the past 60 days or planned administration until completion of Day 28 visit.
  • Participation in a drug research study, involving investigational products, within past 3 months or planned participation during the entire study period
  • Receipt of any investigational or unlicensed medication (drug or vaccine) in the preceding 28 days, or planned use until completion of Day 28 visit
  • Uncontrolled coagulopathy or blood disorder contraindicating subcutaneous injections or blood sampling
  • Be an employee of, or direct descendant (child or grandchild) of any person employed by the investigator or sponsor.
  • Pregnant or lactating women
  • Requirement of Yellow Fever vaccination certificate for travelling purpose
  • History of thymus dysfunction including myasthenia gravis, thymoma, thymectomy
  • History or presence of significant alcoholism or drug abuse in the past one year
  • Major congenital or genetic defect
  • Any other condition which in the opinion of the investigator will jeopardize the safety of the participant or compromise the assessment of the study objectives

Key Trial Info

Start Date :

May 11 2023

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

May 10 2024

Estimated Enrollment :

1824 Patients enrolled

Trial Details

Trial ID

NCT05421611

Start Date

May 11 2023

End Date

May 10 2024

Last Update

May 7 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Victoria Biomedical Research Institute (VIBRI) - Kisumu County Referral Hospital

Kisumu, Kenya, 7180-40100

2

Kenya Medical Research Institute/ Centre for Research Disease Research (CRDR)

Nairobi, Kenya, 47855-00100