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Pamidronate

Pamidronic acid
Pamidronic acid.svg
Clinical data
AHFS/Drugs.com International Drug Names
MedlinePlus a601163
Pregnancy
category
  • AU: B3
  • US: D (Evidence of risk)
Routes of
administration
Intravenous
ATC code
Legal status
Legal status
Pharmacokinetic data
Bioavailability n/a
Protein binding 54%
Metabolism Nil
Biological half-life 28 ± 7 hours
Excretion Renal
Identifiers
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEMBL
ECHA InfoCard 100.049.897
Chemical and physical data
Formula C3H11NO7P2
Molar mass 235.07 g/mol
3D model (Jmol)
  

Pamidronic acid (INN) or pamidronate disodium (USAN), pamidronate disodium pentahydrate is a nitrogen-containing bisphosphonate, used to prevent osteoporosis. It is marketed by Novartis under the brand name Aredia. In India, it is marketed by Curacell Biotech under the brand name Pamimed.

It is used to prevent bone loss, and treat osteoporosis. It is also used to strengthen bone in Paget's disease, to prevent bone loss due to steroid use, and in certain cancers with high propensity to bone, such as multiple myeloma. Due to its ability to sequester calcium in bone, it is also used to treat high calcium levels. It is also used as an experimental treatment of the bone disorder known as Osteogenesis Imperfecta. It has been studied in the treatment of Complex Regional Pain Syndrome.

Intravenous, usually 90 mg monthly. 30 mg, 60 mg, 90 mg and for hospitals, 120 mg vials are available, mixed with mannitol.

Common side effects include bone pain, low calcium levels, nausea, and dizziness. Osteonecrosis of the jaw is a rare complication which has been associated with the use of bisphosphonates, including pamidronate.


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