Monograph Details

Urogenital System > Miscellaneous urogenital disorders
ZEMPLAR CAPSULES
Manufacturer
Abbott Laboratories
Legal Classification
Rx
Pharmacological Class
Vit. D analogue.
Generic Name
Paricalcitol 1microgram, 2micrograms, 4micrograms; soft gel caps.
Also
ZEMPLAR INJECTION
Indications
Secondary hyperparathyroidism due to chronic kidney disease stage 3 and 4.
Children
<18yrs: not recommended.
Adults
≥18yrs: Base initial dose on baseline intact parathyroid hormone (iPTH) levels. iPTH ≤500pg/mL: 1mcg daily or 2mcg 3 times week (every other day). iPTH >500pg/mL: 2mcg daily or 4mcg 3 times weekly. Titrate based on iPTH levels (see literature).
Contraindications
Vit. D toxicity. Concurrent Vit. D or phosphate therapy. Hypercalcemia.
Precautions
Severe hepatic impairment. Monitor serum calcium, phosphorus, and iPTH at least every 2 weeks for 3 months after starting or dose changes, then monthly for 3 months, then every 3 months. If hypercalcemia or elevated Ca x P product occurs, reduce dose or stop until normal; restart at lower dose. Pregnancy (Cat.C). Nursing mothers: not recommended.
Interactions
Potentiated by potent CYP3A4 inhibitors (eg, ketoconazole). Arrhythmias with digitalis if hypercalcemia occurs. Caps: cholestyramine may impair absorption.
Adverse Reactions
Hypercalcemia, hypercalciuria, hyperphosphatemia, suppression of PTH, hypervitaminosis D.
How Supplied
Caps—30
Vial (1mL, 2mL, 4mL)—1