Antagonists of alpha 4 integrin/alpha 4 integrin ligand adhesion, which
inhibit the biological effects of such adhesion are described and methods
for their use are detailed. Such antagonists are useful in suppressing
bone destruction associated with multiple myeloma. The homing of multiple
myeloma cells to bone marrow and their alpha 4 integrin-dependent release
of bone-resorbing factors, resulting in bone destruction in patients with
multiple myeloma, is inhibited.