A double-blind, randomised, controlled trial to compare allergic outcomes in children following vaccination with acellular pertussis antigen given at 2 months of age versus whole cell pertussis in the infant vaccine schedule
Latest Information Update: 22 Feb 2022
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At a glance
- Drugs Hib-DTP-hepatitis B vaccine (Primary) ; DTaP poliovirus vaccine; Hib DTaP hepatitis B poliovirus vaccine (Infanrix hexa); Hib-DTaP-hepatitis B-poliovirus vaccine
- Indications Pertussis
- Focus Adverse reactions
- Acronyms OPTIMUM
- 07 Feb 2022 Results published in the Trials
- 12 Feb 2021 Time frame changed from 18 months of age to 12 months of age. Planned number of patients increased. Additional clarification of Infanrix Hexa as acellular has been provided.
- 12 Feb 2021 Planned number of patients changed from 150 to 3000.