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Name:Calcium Acetate
Manufacturer:Sandoz Inc
Category:Prescription Marketed Drugs


Calcium Acetate Gelcaps

CALCIUM ACETATE   - calcium acetate capsule 
Sandoz Inc

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Calcium Acetate Gelcaps

Patient Package Insert

Calcium Acetate Gelcaps

RX Only

DESCRIPTION

Each opaque gelcap with a blue cap and white body is spin printed in blue and white ink with “PhosLo®” printed on the cap and “667 mg” printed on the body.  Each gelcap contains 667 mg calcium acetate, USP (anhydrous; CaCH3COO)2; MW=158.17 grams) equal to 169 mg (8.45 mEq) calcium, and 10 mg of the inert binder, polyethylene glycol 8000 NF.  The gelatin cap and body have the following inactive ingredients:  FD&C blue#1, D&C red#28, titanium dioxide, USP and gelatin, USP.

Calcium acetate gelcaps are administered orally for the control of hyperphosphatemia in end stage renal failure.

CLINICAL PHARMACOLOGY

Patients with advanced renal insufficiency (creatinine clearance less than 30 ml/min) exhibit phosphate retention and some degree of hyperphosphatemia.  The retention of phosphate plays a pivotal role in causing secondary hyperparathyroidism associated with osteodystrophy and soft-tissue calcification.  The mechanism by which phosphate retention leads to hyperparathyroidism is not clearly delineated.  Therapeutic efforts directed toward the control of hyperphosphatemia include reduction in the dietary intake of phosphate, inhibition of absorption of phosphate in the intestine with phosphate binders, and removal of phosphate from the body by more efficient methods of dialysis.  The rate of removal of phosphate by dietary manipulation or by dialysis in insufficient.  Dialysis patients absorb 40% to 80% of dietary phosphorus.  Therefore, the fraction of dietary phosphate absorbed from the diet needs to be reduced by using phosphate binders in most renal failure patients on maintenance dialysis.  Calcium acetate when taken with meals, combines with dietary phosphate to form insoluble calcium phosphate which is excreted in the feces.  Maintenance of serum phosphorus below 6.0 mg/dl is generally considered as a clinically acceptable outcome of treatment with phosphate binders.  Calcium acetate is highly soluble at neutral pH, making the calcium readily available for binding to phosphate in the proximal small intestine.

Orally administered calcium acetate from pharmaceutical dosage forms has been demonstrated to be systemically absorbed up to approximately 40% under fasting conditions and up to approximately 30% under nonfasting conditions.  This range represents data from both healthy subjects and renal dialysis patients under various conditions.

INDICATIONS AND USAGE

Calcium acetate gelcaps are indicated for the control of hyperphosphatemia in end stage renal failure and does not promote aluminum absorption.

CONTRAINDICATIONS

Patients with hypercalcemia.

WARNINGS

Patients with end stage renal failure may develop hypercalcemia when given calcium with meals.  No other calcium supplements should be given concurrently with calcium acetate.

Progressive hypercalcemia due to overdose of calcium acetate may be severe as to require emergency measures.  Chronic hypercalcemia may lead to vascular calcification and other soft-tissue calcification.  The serum calcium level should be monitored twice weekly during the early dose adjustment period.  The serum calcium times phosphate (CaXP) product should not be allowed to exceed 66.   Radiographic evaluation of suspect anatomical region may be helpful in early detection of soft tissue calcification.

PRECAUTIONS

General

Excessive dosage of calcium acetate induces hypercalcemia; therefore, early in the treatment during dosage adjustment serum calcium should be determined twice weekly.  Should hypercalcemia develop, the dosage should be reduced or the treatment discontinued immediately depending on the severity of hypercalcemia.  Calcium acetate should not be given to patients on digitalis, because hypercalcemia may precipitate cardiac arrhythmias.  Calcium acetate therapy should always be started at low dose and should not be increased without careful monitoring of serum calcium.  An estimate of daily calcium intake should be made initially and the intake adjusted as needed.  Serum phosphorus should also be determined periodically.

Information for Patients

The patient should be informed about compliance with dosage instructions, adherence to instructions about diet and avoidance of the use of nonprescription antacids.  Patients should be informed about the symptoms of hypercalcemia (see Adverse Reactions section).

Drug Interactions

Calcium acetate gelcaps may decrease the bioavailability of tetracyclines.

Carcinogenesis, Mutagenesis, Impairment of Fertility

Long term animal studies have not been performed to evaluate the carcinogenic potential, mutagenicity, or effect on fertility of calcium acetate.

Pregnancy

Teratogenic Effects:  Category C.  Animal reproduction studies have not been conducted with calcium acetate.  It is not know whether calcium acetate can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity.  Calcium acetate capsules should be given to a pregnant woman only if clearly needed.

Pediatric Use

Safety and effectiveness in pediatric patients have not been established.

Geriatric Use

Of the total number of subjects in clinical studies of calcium acetate (n=91), 25 percent were 65 and over, while 7 percent were 75 and over.  No overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.

ADVERSE REACTIONS

In clinical studies, patients have occasionally experienced nausea during calcium acetate therapy.  Hypercalcemia may occur during treatment with calcium acetate.  Mild hypercalcemia (Ca>10.5mg/dl) may be asymptomatic or manifest itself as constipation, anorexia, nausea and vomiting.  More severe hypercalcemia (Ca>12mg/dl) is associated with confusion, delirium, stupor and coma.  Mild hypercalcemia is easily controlled by reducing the calcium acetate dose or temporarily discontinuing therapy.  Severe hypercalcemia can be treated by acute hemodialysis and discontinuing calcium acetate therapy.  Decreasing dialysate calcium concentration could reduce the incidence and severity of calcium acetate induced hypercalcemia.  The long-term effect of calcium acetate on the progression of vascular of soft tissue calcification has not been determined.

Isolated cases of pruritus have been reported which may represent allergic reactions.

OVERDOSAGE

Administration of calcium acetate in excess of the appropriate daily dosage can cause severe hypercalcemia (see Adverse Reactions section).

DOSAGE AND ADMINISTRATION

The recommended initial dose of calcium acetate for the adult dialysis patient is 2 gelcaps with each meal.  The dosage may be increased gradually to bring the serum phosphate value below 6 mg/dl, as long as hypercalcemia does not develop.  Most patients require 3-4 gelcaps with each meal.

HOW SUPPLIED

Gelcap:  A white and blue gelcap for oral administration containing 667 mg calcium acetate (anhydrous Ca(CH3COO)2; MW=158.17 grams) equal to 169 mg (8.45 mEq) calcium.

Bottles of 200

NDC 0781-2672-02

Storage and Handling

Store at 25◦C (77◦F); excursions permitted to 15◦-30◦C (59◦-86◦F.)  See USP “Controlled Room Temperature.”

Manufactured for:

Fresenius Medical Care North America

Waltham, MA  02451

1-800-323-5188

Distributed by Sandoz Inc. Princeton, NJ  08540

101156.00   08/09

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

bb4a6f43-figure-01

NDC 0781-2672-02 1


CALCIUM ACETATE  
calcium acetate capsule
Product Information
Product Type HUMAN PRESCRIPTION DRUG Item Code (Source) NDC:0781-2672
Route of Administration ORAL DEA Schedule     
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
CALCIUM ACETATE (CALCIUM CATION) CALCIUM ACETATE 667 mg
Inactive Ingredients
Ingredient Name Strength
POLYETHYLENE GLYCOL 8000  
FD&C BLUE NO. 1  
D&C RED NO. 28  
TITANIUM DIOXIDE  
GELATIN  
Product Characteristics
Color WHITE, BLUE Score score with uneven pieces
Shape CAPSULE Size 20mm
Flavor Imprint Code PhosLo;667mg
Contains     
Packaging
# Item Code Package Description Multilevel Packaging
1 NDC:0781-2672-02 200 CAPSULE ( CAPSULE) in 1 BOTTLE None

Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA021160 04/02/2001

Labeler - Sandoz Inc (110342024)
Contact Address Telephone Number Email Address
Michele Hewitt
Address: 2555 W. Midway Blvd
City, State, Zip: Broomfield, CO, 80020
Country: USA
+303-438-4517 michele.hewitt@sandoz.com
Registrant - Fresenius Medical Care North America (075684324)

Revised: 09/2009 Sandoz Inc



Source: http://dailymed.nlm.nih.gov
Reproduced with permission of U.S. National Library of Medicine


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