Lenampicillin is an antibiotic drug of the penicillin class. It is a prodrug of ampicillin; after oral administration of lenampicillin, ampicillin is rapidly formed.
Lenampicillin inhibits bacterial penicillin binding proteins (transpeptidase) and is effective against a wide range of bacterial infections.
Lenampicillin was developed in Japan and has been marketed there.
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