NCIt definition : An amino- bisphosphonate with anti-resorptive and anti-hypercalcemic activities. Pamidronic
acid binds to and adsorbs onto hydroxyapatite crystals in the bone matrix, thereby
preventing osteoclast resorption. This agent also binds to and inhibits farnesyl pyrophosphate
synthase, an enzyme that plays an important role in the mevalonate pathway. This inhibits
the formation of isoprenoid metabolites that are substrates for protein prenylation.
This prevents farnesylation and geranylgeranylation of proteins essential for osteoclast
function, leading to the induction of apoptosis of osteoclasts. By preventing osteoclast-mediated
bone resorption, pamidronic acid decreases bone turnover rate, stabilizes the bone
matrix and reduces hypercalcemia.;
Alternative definition : NCI-GLOSS: A drug that is used to treat hypercalcemia (too much calcium in the blood)
and cancer that has spread to the bones. It belongs to the family of drugs called
bisphosphonates.;
UNII : OYY3447OMC;
InChIKey : WRUUGTRCQOWXEG-UHFFFAOYSA-N;
CAS number : 40391-99-9; a href https://gsrs.ncats.nih.gov/ginas/app/beta/browse-substance?search 40391-99-9
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