ContraFect Corporation
METHOD OF TREATING AND PREVENTING BONE AND JOINT INFECTIONS

Abstract:

The present disclosure is directed to a method of treating or preventing a bone or joint infection, which method comprises: administering a therapeutically effective amount of a PlySs2 lysin comprising the amino acid sequence of SEQ ID NO: 1 or a variant thereof having at least 80% identity to SEQ ID NO: 1, wherein the variant comprises bacteriocidal and/or bacteriostatic activity against the Gram-positive bacteria, to a subject in need thereof, optionally co-administered with one or more antibiotics, wherein the bone or joint infection comprises a Gram-positive bacteria, such as Staphylococcus epidermidis or Staphylococcus aureus. Methods for preventing or disrupting a Gram-positive bacterial biofilm formed in a synovial fluid, such as a biofilm formed by Staphylococcus epidermidis, are also disclosed.