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Declining Antibody Affinity Over Time After Human Vaccination With a Plasmodium falciparum Merozoite Vaccine Candidate

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  • Additional Information
    • Contributors:
      Lund University, Faculty of Medicine, Department of Laboratory Medicine, Division of Clinical Chemistry and Pharmacology, Malaria and Babesia, Lunds universitet, Medicinska fakulteten, Institutionen för laboratoriemedicin, Avdelningen för klinisk kemi och farmakologi, Malaria och Babesia, Originator; Lund University, Faculty of Medicine, Department of Laboratory Medicine, Division of Clinical Chemistry and Pharmacology, Lunds universitet, Medicinska fakulteten, Institutionen för laboratoriemedicin, Avdelningen för klinisk kemi och farmakologi, Originator
    • Abstract:
      UNLABELLED: Maintaining high-affinity antibodies after vaccination may be important for long-lasting immunity to malaria, but data on induction and kinetics of affinity is lacking. In a phase 1 malaria vaccine trial, antibody affinity increased following a second vaccination but declined substantially over 12 months, suggesting poor maintenance of high-affinity antibodies. CLINICAL TRIALS REGISTRATION: Australian New Zealand Clinical Trials Registry ACTRN12607000552482.