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Newer therapies for osteoporosis.

The existing drugs for treatment of osteoporosis are limited in scope, tolerability, and efficacy. Newer osteoclast-targeted agents like inhibitors of receptor activator nuclear factor kappaB pathway, Cathepsin K, and integrins are under clinical development. Osteoblast-targeted therapies include the agents acting through the Wnt signaling pathway like sclerostin antagonists. The potential molecular targets and the emerging drugs for treatment of osteoporosis are discussed in this review.