STOCKHOLM, Sweden--(BUSINESS WIRE)--Regulatory News: Medivir (STO:MVIRB) has deepened its presence, and expanded its commercial interest, in the therapeutic area of bone diseases by selecting a further candidate drug that targets the protease cathepsin K, a recognized drug target in this area. This builds on Medivir’s existing interest in bone related disorders which includes already one candidate drug and positive phase I experience from MIV-701.