Země: Spojené státy
Jazyk: angličtina
Zdroj: NLM (National Library of Medicine)
SODIUM POLYSTYRENE SULFONATE (UNII: 1699G8679Z) (POLYSTYRENE SULFONIC ACID - UNII:70KO0R01RY)
Trigen Laboratories, LLC
SODIUM POLYSTYRENE SULFONATE
SODIUM CATION 4.1 meq in 1 g
ORAL
PRESCRIPTION DRUG
Abbreviated New Drug Application
SODIUM POLYSTYRENE SULFONATE- SODIUM POLYSTYRENE SULFONATE SUSPENSION TRIGEN LABORATORIES, LLC ---------- SODIUM POLYSTYRENE SULFONATE FOR SUSPENSION DESCRIPTION Sodium polystyrene sulfonate is a benzene, diethenyl-polymer, with ethenylbenzene, sulfonated, sodium salt and has the following structural formula: The drug is a cream to light brown finely ground, powdered form of sodium polystyrene sulfonate, a cation-exchange resin prepared in the sodium phase with an in vitro exchange capacity of approximately 3.1 mEq (in vivo approximately 1 mEq) of potassium per gram. The sodium content is approximately 100 mg (4.1 mEq) per gram of the drug. It can be administered orally or in an enema. CLINICAL PHARMACOLOGY As the resin passes along the intestine or is retained in the colon after administration by enema, the sodium ions are partially released and are replaced by potassium ions. For the most part, this action occurs in the large intestine, which excretes potassium ions to a greater degree than does the small intestine. The efficiency of this process is limited and unpredictably variable. It commonly approximates the order of 33 percent but the range is so large that definitive indices of electrolyte balance must be clearly monitored. Metabolic data are unavailable. INDICATION AND USAGE Sodium polystyrene sulfonate for suspension is indicated for the treatment of hyperkalemia CONTRAINDICATIONS Sodium polystyrene sulfonate for suspension is contraindicated in the following conditions: patients with hypokalemia, patients with a history of hypersensitivity to polystyrene sulfonate resins, obstructive bowel disease, neonates with reduced gut motility (postoperatively or drug induced) and oral administration in neonates (see PRECAUTIONS). WARNINGS INTESTINAL NECROSIS Cases of intestinal necrosis, which may be fatal, and other serious gastrointestinal adverse events (bleeding, ischemic colitis, perforation) have been reported in association with Sodium polystyrene sulfonate for suspension use. The majority of these cases Přečtěte si celý dokument