The present application describes novel hydantoin derivatives of formula
(I): ##STR00001## or pharmaceutically acceptable salt or prodrug forms
thereof, wherein A, B, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5,
R.sup.6, R.sup.7, R.sup.11, and n are defined in the present
specification, which are useful as inhibitors of matrix
metalloproteinases (MMP), TNF-.alpha. converting enzyme (TACE),
aggrecanase, or a combination thereof.