Influenza Clinical Trial
Official title:
A Phase II Study in Healthy Adults (19-64 Years of Age) to Assess the Safety, Reactogenicity and Immunogenicity of Sequential or Simultaneous Intramuscular Administration of an AS03-adjuvanted A/H7N9 Inactivated Influenza Vaccine With Seasonal Influenza Vaccine
This is a randomized, un-blinded, Phase II study in males and non-pregnant females, who are in good health, 19 to 64 years of age. This study is designed to assess the safety, reactogenicity, and immunogenicity of a pre-pandemic AS03 (GSK) adjuvanted 2017 monovalent inactivated influenza A/H7N9 vaccine, when two doses are administered 21 days apart either sequentially or simultaneously (within 15 minutes) with licensed seasonal influenza vaccine. Subjects will be randomized into one of three treatment groups. The study will enroll approximately 150 individuals who have no history of influenza A/H7N9 infection or prior receipt of an influenza virus H7 subtype vaccine. Study duration is approximately 16 months with subject participation duration of approximately 13 months. The primary objectives of this study are: 1) to assess the safety and reactogenicity following sequential or simultaneous IM administration of 2 doses of AS03-adjuvanted 2017 H7N9 IIV and one dose of seasonal influenza vaccine (IIV4); 2) to assess the serum HAI and Neut antibody responses against A/H7N9 at approximately 21 days following receipt of two doses of AS03-adjuvanted 2017 H7N9 IIV administered IM approximately 21 days apart; 3) to assess the serum HAI and Neut antibody responses against the seasonal influenza strains at approximately 21 days following receipt of IIV4.
This is a randomized, un-blinded, Phase II study in males and non-pregnant females, who are in good health, 19 to 64 years of age. This clinical trial is designed to assess the safety, reactogenicity, and immunogenicity of a pre-pandemic AS03 (GSK) adjuvanted 2017 monovalent inactivated influenza A/H7N9 vaccine (2017 H7N9 IIV) manufactured by Sanofi Pasteur (3.75 mcg of HA per dose with Phosphate Buffered Saline (PBS) diluent), when two doses are administered 21 days apart either sequentially or simultaneously (within 15 minutes) with licensed seasonal influenza vaccine. Subjects will be randomized into one of three treatment groups. Group 1 will receive two doses of AS03-adjuvanted 2017 H7N9 IIV, each dose administered IM approximately 21 days apart, and one dose of licensed seasonal IIV4 will be administered IM simultaneously (within 15 minutes) with the first dose of AS03 adjuvanted 2017 H7N9 IIV. Group 2 will receive one dose of IIV4 approximately 21 days prior to the IM administration of two doses of AS03-adjuvanted 2017 H7N9 IIV; each dose of AS03-adjuvanted 2017 H7N9 IIV will be given approximately 21 days apart. Group 3 will receive one dose IM of IIV4 as an un-blinded comparator. The study will enroll approximately 150 individuals who have no history of influenza A/H7N9 infection or prior receipt of an influenza virus H7 subtype vaccine. Study duration is approximately 16 months with subject participation duration of approximately 13 months. The primary objectives of this study are: 1) to assess the safety and reactogenicity following sequential or simultaneous IM administration of 2 doses of AS03-adjuvanted 2017 H7N9 IIV and one dose of seasonal influenza vaccine (IIV4); 2) to assess the serum HAI and Neut antibody responses against A/H7N9 at approximately 21 days following receipt of two doses of AS03-adjuvanted 2017 H7N9 IIV administered IM approximately 21 days apart; 3) to assess the serum HAI and Neut antibody responses against the seasonal influenza strains at approximately 21 days following receipt of IIV4. The secondary objectives are: 1) to assess unsolicited non-SAEs following sequential or simultaneous IM administration of AS03-adjuvanted 2017 H7N9 IIV and seasonal influenza vaccine (IIV4); 2) to assess MAAEs, including NOCMCs and PIMMCs, following sequential or simultaneous IM administration of AS03-adjuvanted 2017 H7N9 IIV and IIV4; 3) to assess the HAI and Neut antibody responses at 21 days following receipt of 1 dose of AS03-adjuvanted 2017 H7N9 IIV. ;
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