[PHARM] Pharm of Osteoporosis and Gout [Wolff] Flashcards
What are calcium salts used to treat?
Mild hypocalcemia
Simply as dietary supplements
What symptoms can hypercalcemia cause?
GI disturbances (constipation)
CNS effects (lethargy)
Renal dysfunction (polyuria, kidney stones)
What is given to pts with severe hypocalcemia?
PARENTERAL calcium salts
What are the two compounds that we are referring to when talking about vitamin D?
Ergocalciferol
Cholecalciferol
What compound of vitamin D occurs in plants?
What compound of vitamin D is produced when exposed to sunlight?
Plants = ergocalciferol
Sunlight = cholecalciferol
Calcitonin-Salmon
MOA?
Effects?
Clinical applications?
Similar in fxn to human calcitonin, but has longer half life and greater potency
Inhibits osteoclasts; Decrease bone resorption
Established osteoporosis
What is the suffix for bisphonphonates?
-dronate
Name examples of bisphosphonate drugs
Alendronate
Risedronate
Ibandronate
Tiludronate
Zolendronic acid
Alendronate
MOA
Effects
Clinical applications
Toxicities
Structural analog of pyrophosphate; normal constituent of bone
Incorporates into bone, then inhibits bone resorption by decreasing activity of osteoclasts; kills them
Osteoporosis, Paget dz, Hypercalemia of malignancy
Esophagitis, Osteonecrosis of the jaw, atypical femur fractures
What is the one bisphosphonate drug that avoids GI problems?
Zolendronic acid
What is the one SERM drug that is useful in treating osteoporosis?
Raloxifene
Raloxifene
MOA
Effects
Clinical applications
Toxicities
SERM
Blocks estrogen in breast and uterus, but AGONIZES estrogen in bone
Postmenopausal osteoporosis
DVT, PE, Stroke
What is the only drug for osteoporosis that increases bone formation?
Teriparatide
What is teriparatide?
How does it work to form bone?
(1-34) Version of endogenous PTH
When given daily pulsed therapy, OSTEOBLAST activity predominates
What class is denosumab in?
RANKL inhibitor
*monoclonal antibody