Avian Influenza Clinical Trial
Official title:
A Phase II Study to Assess the Safety, Reactogenicity and Immunogenicity of a Single Dose of 2017 A/H7N9 Inactivated Influenza Vaccine (IIV) Administered Intramuscularly With or Without AS03 Adjuvant in 2013 A/H7N9 IIV Primed or A/H7 IIV Naïve Subjects
This is a Phase II clinical trial in up to 420 males and non-pregnant females, 19 to 70 years of age, inclusive, who are in good health and meet all eligibility criteria. This clinical trial is designed to assess the safety, reactogenicity and immunogenicity of one dose of a monovalent inactivated split influenza 2017 A/H7N9 virus vaccine (2017 A/H7N9 IIV), administered intramuscularly (IM) at 3.75 mcg hemagglutinin (HA) per dose, given with or without AS03 adjuvant to subjects primed with a monovalent inactivated split influenza 2013 A/H7N9 virus vaccine (2013 A/H7N9 IIV) in DMID Protocols 13-0032 and 13-0033, or to those who are A/H7 IIV-naïve. Phosphate buffered saline (PBS) diluent will be used to achieve the targeted dosage. The study will be conducted at 9 Vaccine and Treatment Evaluation Unit (VTEU) sites (including their subcontractors). Study duration is approximately 17 months with subject participation duration up to 13 months. The primary objectives are: 1) to assess the safety and reactogenicity of 2017 A/H7N9 IIV given with or without AS03 adjuvant following receipt of one dose of study vaccine; 2) to assess the serum hemagglutination inhibition (HAI) and neutralizing (Neut) antibody responses following receipt of the study vaccine.
This is a Phase II clinical trial in up to 420 males and non-pregnant females, 19 to 70 years of age, inclusive, who are in good health and meet all eligibility criteria, which include a screening erythrocyte sedimentation rate (ESR) laboratory evaluation. This clinical trial is designed to assess the safety, reactogenicity and immunogenicity of one dose of a monovalent inactivated split influenza 2017 A/H7N9 virus vaccine (2017 A/H7N9 IIV) manufactured by Sanofi Pasteur (SP), administered intramuscularly (IM) at 3.75 mcg hemagglutinin (HA) per dose, given with or without AS03 adjuvant manufactured by GlaxoSmithKline Biologicals (GSK), to subjects primed with a monovalent inactivated split influenza 2013 A/H7N9 virus vaccine (2013 A/H7N9 IIV) in DMID Protocols 13-0032 and 13-0033, or to those who are A/H7 IIV-naïve. Phosphate buffered saline (PBS) diluent manufactured by Patheon Manufacturing Services LLC will be used to achieve the targeted dosage. Subjects who received the 2013 A/H7N9 IIV in DMID Protocols 13-0032 and 13-0033 or are A/H7 IIV-naïve will be stratified by prior receipt of 2013 A/H7N9 IIV, as well as by site and prior receipt of licensed, seasonal influenza vaccine (defined as receipt of at least one of the 2017-2018 and/or 2018-2019 licensed, seasonal influenza vaccines versus none), then randomly assigned in a 1:1 ratio to 1 of 2 treatment arms to receive 1 dose of 2017 A/H7N9 IIV at 3.75 mcg HA per dose with or without AS03 adjuvant. The study will be conducted at 9 Vaccine and Treatment Evaluation Unit (VTEU) sites (including their subcontractors). Study duration is approximately 17 months with subject participation duration up to 13 months. The primary objectives are: 1) to assess the safety and reactogenicity of 2017 A/H7N9 IIV given with or without AS03 adjuvant following receipt of one dose of study vaccine; 2) to assess the serum hemagglutination inhibition (HAI) and neutralizing (Neut) antibody responses following receipt of the study vaccine. Secondary objectives are: 1) to assess unsolicited non-serious adverse events (AEs) following receipt of the study vaccine; 2) to assess medically-attended adverse events (MAAEs), including new-onset chronic medical conditions (NOCMCs) and potentially immune-mediated medical conditions (PIMMCs), following receipt of the study vaccine; 3) To assess the kinetics and durability of serum HAI and Neut antibody responses following receipt of the study vaccine. ;
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