A Phase III Study to Evaluate the Immunogenicity and Safety of Concomitant Administration of Two Doses of a Novel Oral Polio Type 2 Vaccine and Bivalent Oral Polio Vaccine in Healthy Infants
Overview
- Phase
- Phase 3
- Intervention
- Not specified
- Conditions
- Poliomyelitis
- Sponsor
- Fidec Corporation
- Primary Endpoint
- Seroconversion rate
- Status
- Withdrawn
- Last Updated
- 4 years ago
Overview
Brief Summary
The study will assess and compare the immune response and safety following the co-administration of Novel Oral Polio Type 2 (nOPV2) and bivalent Oral Polio Vaccine (bOPV) in comparison with nOPV2 or bOPV in infants aged 2 months who have never received vaccination against poliomyelitis.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Infants aged 8 weeks (-1, + 2 weeks) with birth weight \>2,500 gm.
- •Healthy infants without obvious medical conditions like immunodeficiency diseases, severe congenital malformations, severe neurological diseases or any other disease that require high doses of corticosteroids or immunotherapies that preclude the subject to be in the study as established by the medical history and physical examination.
- •Written informed consent obtained from 1 or 2 parent(s) or legal guardian(s) as per country regulations.
Exclusion Criteria
- •Infants who have received previous vaccination according to the National Immunization Program (NIP) (i.e. vaccination against poliomyelitis and/or receipt of diphtheria-tetanus-whole cell pertussis-hepatitis B-Haemophilus influenzae type b \[DTPw-HB-Hib vaccine\]).
- •Infants with anyone under 10 years of age in their household (living in the same house or apartment unit) who does not have complete "age appropriate" vaccination status with respect to poliovirus vaccines at the time of study vaccine administration according to the Dominican Republic NIP.
- •Infants having a member of their household (living in the same house or apartment unit) who is under 6 months of age at the moment of study vaccine administration.
- •Infants having a member of their household (living in the same house or apartment unit) who has received oral polio vaccine (OPV) in the previous 3 months before study vaccine administration.
- •Any confirmed or suspected immunosuppressive or known immunodeficient condition including human immunodeficiency virus infection in the potential participant or any member of the subject's household.
- •Family history of congenital or hereditary immunodeficiency.
- •Major congenital defects or serious uncontrolled chronic illness (neurologic, pulmonary, gastrointestinal, hepatic, renal, or endocrine).
- •Known allergy to any component of the study vaccines or to any antibiotics, that share molecular composition with the nOPV2 vaccines.
- •Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period.
- •Acute severe febrile illness at day of vaccination deemed by the Investigator to be a contraindication for vaccination (the child can be included at a later time if within age window and all inclusion criteria are met.).
Outcomes
Primary Outcomes
Seroconversion rate
Time Frame: 2 months
Assessment and comparison of seroconversion rate to poliovirus types 1, 2 and 3 28 days following co-administration of two doses of nOPV2 and bOPV with two doses of nOPV2 or two doses of bOPV
Incidence of serious adverse reactions (SARs) , important medical reactions (IMRs) and severe solicited adverse reactions (ARs)
Time Frame: 6 months
Number of serious adverse reactions, important medical reactions and severe solicited adverse reactions following co-administration of nOPV2 and bOPV in comparison with nOPV2 or bOPV
Secondary Outcomes
- Immunogenicity to poliovirus type 2(2 months)
- Assessment and comparison of immunogenicity to poliovirus type 1 and 3(2 months)
- Assesment of SAEs, IMEs and any AEs(6 months)
- Assessment and comparison of viral shedding(1 month)