Immunogenicity and Safety of BPZE1 Intranasal Pertussis Vaccine in Healthy School-age Children

  • STATUS
    Recruiting
  • End date
    Dec 25, 2022
  • participants needed
    600
  • sponsor
    ILiAD Biotechnologies
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Updated on 25 March 2022
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tetanus
vaccination
diphtheria
boostrix
Accepts healthy volunteers

Summary

This study evaluates the safety and immunogenicity of the BPZE1 live, attenuated pertussis vaccine, intended to prevent nasopharyngeal colonization and pertussis disease, and compares BPZE1 vaccine vs Boostrix vaccine vs both BPZE1 and Boostrix vaccines. This is a multi-center, randomized, placebo- and active-comparator-controlled study in healthy, school-age children with a 6-month safety follow-up after the first vaccination.

Description

This multi-center, randomized, placebo- and active-comparator-controlled study evaluates the safety and immunogenicity of the BPZE1 live attenuated pertussis vaccine, intended to prevent nasopharyngeal colonization and pertussis disease. Healthy school-age children will be randomly assigned to 1 of 3 different study treatment groups to receive the intranasal BPZE1 vaccine, the intramuscular Boostrix vaccine, or both. Subjects will first receive the intranasal vaccine (BPZE1 or placebo) using a small, cone-shaped device that attaches to a syringe and sprays the vaccine into the nose. After a 10-minute waiting period, subjects will receive the intramuscular vaccine (Boostrix or placebo) in the upper arm. As this is the first study in school-age children, a staggered enrollment is planned with the first 45 subjects in the older age group of 11-16 years designated as the safety lead-in cohort. After reactogenicity results from the first 7 days after vaccination of the safety lead-in cohort are reviewed by the safety monitoring committee, the remainder of the subjects will be enrolled. Subjects who choose to take part in a small sub-study of revaccination/attenuated challenge will receive BPZE1 intranasal vaccine (open-label) 3 months after the first vaccination. Safety will be monitored for 6 months after the first vaccination.

Details
Condition Bordetella Pertussis, Whooping Cough
Treatment BPZE1 pertussis vaccine and placebo, BPZE1 pertussis vaccine and Boostrix, Placebo and Boostrix
Clinical Study IdentifierNCT05116241
SponsorILiAD Biotechnologies
Last Modified on25 March 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Male or female subject 6 to 16 years of age on Day 1
Subject must provide informed consent (assent, depending on age) prior to participation in study and comply with protocol requirements
If female, the subject is not pregnant or lactating. If female of childbearing potential, the subject must agree to either be heterosexually inactive or follow birth control methods per protocol from at least 21 days prior to enrollment and through 90 days following any study vaccination
Subject has a stable health status, as established by physical examination, vital sign measurements, and medical history
Subject (and/or legal guardian) has access to a consistent and reliable means of electronic or telephone contact, which may be in the home, workplace, school, or by personal mobile electronic device
Subject is willing to refrain from routine nasal sprays (including steroid sprays) or washes for at least 7 days following any study vaccination

Exclusion Criteria

History of any component of Tdap vaccination or documented pertussis infection within 3 years prior to Day 1
Chronic significant illness actively being treated or a history of recent intervention for worsening or fluctuating symptoms (at the discretion of the investigator)
History of cancer (malignancy)
Congenital, hereditary, or acquired disease or disorder classified as autoimmune, immunodeficient, coagulopathy, hepatic, renal, neurologic, or cognitive
Currently uses smoking products (including vaping and e-cigarettes) and is unwilling to refrain from use from Day 1 through Day 29 following study vaccination
Subject received immunoglobulin, blood-derived products, systemic corticosteroids (at a dose of >10 mg per day for more than 10 days), or other immunosuppressant drugs within 90 days of Day 1
Chronic pulmonary disease requiring active medication or pulmonary therapies except exercise-induced bronchospasm, if currently well controlled, and willing to refrain from intense exercise for 7 days following study vaccination, or intermittent asthma classification who have not had an exacerbation requiring oral systemic corticosteroids in the past year; have an forced expiratory volume (FEV1) documented to be >80%; do not have restrictions in normal activity due to breathing issues; and have used a short-acting beta-agonist less than or equal to 2 days per week over the past 2 months
History of oro/nasopharynx surgery (eg, adenoidectomy, tonsillectomy) within 60 days prior to Day 1
Known hypersensitivity to latex or any component of any study vaccine. Specific to Boostrix: hypersensitivity to neomycin or polymyxin; hypersensitivity after previous administration of diphtheria, tetanus, or pertussis vaccines; or has experienced transient thrombocytopenia or neurological complications following an earlier immunization against diphtheria and/or tetanus
Subject has routine and/or repeated contact with, or is currently living in a household with, an immunocompromised individual
Subject resides in a residence where an infant less than 6 months of age resides or may reside
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