Related topics: breast cancer · osteoporosis · bone density

Researchers compare controlled release of bisphosphonates

Bisphosphonate (BP) drugs are a common treatment strategy to combat calcium-related metabolic disorders, osteoporosis being the most widely known one. These drugs offer several benefits but are plagued by side-effects. One ...

New materials with potential biomedical applications

Bisphosphonates are a group of compounds that have become well-known and are extensively used as drugs for treating bone-related diseases, such as osteoporosis. New uses for bisphosphonates were discovered, as their ability ...

Yeast unravels effects of chemotherapy drugs

Until now, the mode of action of nitrogen-containing bisphosphonate (N-BP) cancer drugs, used to relieve bone pain and to prevent skeletal complications in bone metastasis, has been almost entirely unknown. Researchers writing ...

Bisphosphonate

In pharmacology, bisphosphonates (also called diphosphonates) are a class of drugs that prevent the loss of bone mass, used to treat osteoporosis and similar diseases.

Bone has constant turnover, and is kept in balance (homeostasis) by osteoblasts creating bone and osteoclasts digesting bone. Bisphosphonates inhibit the digestion of bone by osteoclasts.

Osteoclasts also have constant turnover and normally destroy themselves by a process called cell suicide (apoptosis). Bisphosphonates encourage osteoclasts to undergo apoptosis.

The uses of bisphosphonates include the prevention and treatment of osteoporosis, osteitis deformans ("Paget's disease of bone"), bone metastasis (with or without hypercalcaemia), multiple myeloma, primary hyperparathyroidism, osteogenesis imperfecta and other conditions that feature bone fragility.

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