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Vaccine Development

HBV Surface Antigen Subunit Vaccine Shows Efficacy

Published in Hepatitis Weekly, July 10th, 1995

A Phase I clinical trial involving 20 hepatitis B seronegative adults demonstrated that alum-adjuvanted R16-hepatitis B surface antigen subunit vaccine was well tolerated and immunogenic.

Twenty malaria-naive volunteers received the recombinant Plasmodium falciparum malaria vaccine (RTS.S) containing 19 NANP repeats and the carboxy terminus (amino acids 210-398) of the circumsporozoite (CS) antigen coexpressed in yeast with hepatitis B surface antigen.

Ten of the volunteers received vaccine adjuvanted with alum, and 10 received vaccine adjuvanted with alum plus 3-deacylated monophosphoryl lipid A (MPL). Both formulations were well tolerated...

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