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Sevelamer
Pronunciation
U.S. Brand Names
Generic Available
Synonyms
Pharmacological Index
Use
Pregnancy Risk Factor
Pregnancy/Breast-Feeding Implications
Contraindications
Warnings/Precautions
Adverse Reactions
Overdosage/Toxicology
Drug Interactions
Stability
Mechanism of Action
Pharmacodynamics/Kinetics
Usual Dosage
Administration
Monitoring Parameters
Mental Health: Effects on Mental Status
Mental Health: Effects on Psychiatric Treatment
Dental Health: Local Anesthetic/Vasoconstrictor Precautions
Dental Health: Effects on Dental Treatment
Patient Information
Dosage Forms

Pronunciation
(se VEL a mer)

U.S. Brand Names
Renagel®

Generic Available

No


Synonyms
Sevelamer Hydrochloride

Pharmacological Index

Phosphate Binder


Use

Reduction of serum phosphorous in patients with end-stage renal disease


Pregnancy Risk Factor

C


Pregnancy/Breast-Feeding Implications

It is not known whether sevelamer is excreted in human milk. Because sevelamer may cause a reduction in the absorption of some vitamins, it should be used with caution in pregnant and/or nursing women.


Contraindications

Hypersensitivity to sevelamer or any component of the formulation, hypophosphatemia, or bowel obstruction


Warnings/Precautions

Use with caution in patients with gastrointestinal disorders including dysphagia, swallowing disorders, severe gastrointestinal motility disorders, or major gastrointestinal surgery. May cause reductions in vitamin D, E, K, and folic acid absorption. Long-term studies of carcinogenic potential have not been completed. Capsules should not be taken apart or chewed.


Adverse Reactions

>10%:

Cardiovascular: Hypotension (11%), thrombosis (10%)

Central nervous system: Headache (10%)

Endocrine and metabolic: Decreased absorption of vitamins D, E, K and folic acid

Gastrointestinal: Diarrhea (16%), dyspepsia (5% to 11%), vomiting (12%)

Neuromuscular and skeletal: Pain (13%)

Miscellaneous: Infection (15%)

1% to 10%:

Cardiovascular: Hypertension (9%)

Gastrointestinal: Nausea (7%), flatulence (4%), diarrhea (4%), constipation (2%)

Respiratory: Cough (4%)


Overdosage/Toxicology

Sevelamer is not absorbed systemically. There are no reports of overdosage in patients.


Drug Interactions

No formal drug interaction studies have been undertaken. Sevelamer may bind to some drugs in the gastrointestinal tract and decrease their absorption. When changes in absorption of oral medications may have significant clinical consequences (such as antiarrhythmic and antiseizure medications), these medications should be taken at least 1 hour before or 3 hours after a dose of sevelamer.


Stability

Store at controlled room temperature


Mechanism of Action

Sevalamer (a polymeric compound) binds phosphate within the intestinal lumen, limiting absorption and decreasing serum phosphate concentrations without altering calcium, aluminum, or bicarbonate concentrations


Pharmacodynamics/Kinetics

Absorption: Not absorbed systemically

Elimination: Feces


Usual Dosage

Adults: Oral: 2-4 capsules 3 times/day with meals; the initial dose may be based on serum phosphorous:

>6.0 mg/dL and <7.5 mg/dL: 2 capsules 3 times/day

>7.5 mg/dL and <9.0 mg/dL: 3 capsules 3 times/day

greater than or equal to 9.0 mg/dL: 4 capsules 3 times/day

Dosage should be adjusted based on serum phosphorous concentration, with a goal of lowering to <6.0 mg/dL; maximum daily dose studied was 30 capsules/day.


Administration

Must be administered with meals


Monitoring Parameters

Serum phosphorus


Mental Health: Effects on Mental Status

None noted


Mental Health: Effects on Psychiatric Treatment

None noted


Dental Health: Local Anesthetic/Vasoconstrictor Precautions

No information available to require special precautions


Dental Health: Effects on Dental Treatment

No effects or complications reported


Patient Information

Take as directed, with meals. Do not break or chew capsule. You may experience headache or dizziness (use caution when driving or engaging in tasks requiring alertness until response to drug is known); upset stomach, nausea, or vomiting (frequent small meals, frequent mouth care, or sucking hard candy may help); diarrhea (yogurt or buttermilk may help); hypotension (use caution when rising from sitting or lying position or when climbing stairs or bending over); or mild neuromuscular pain or stiffness (mild analgesic may help). Report persistent adverse reactions. Pregnancy/breast-feeding precautions: Inform prescriber if you are or intend to be pregnant. Consult prescriber if breast-feeding.


Dosage Forms

Capsule: 403 mg


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