All of the following drugs enhances bone resorption except:
Various promoter drugs: (enhance bone resorption)

Prostaglandins
Leukotrienes
Cytokines
Vitamin D
Osteocalcin
Corticosteroids

Supressor agents: (Reduce bone resorption)

NSAIDS
Bisphosphonates (used in treatment of cancers and osteoporosis)
Prostaglandins
Vitamin D
Corticosteroids
Bisphosphonates