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Enduronum Brand names, Enduronum Analogs

Enduronum Brand Names Mixture

  • No information avaliable

Enduronum Chemical_Formula

C10H13NO3

Enduronum RX_link

http://www.rxlist.com/cgi/generic2/metyrosine.htm

Enduronum fda sheet

Enduronum msds (material safety sheet)

Enduronum Synthesis Reference

No information avaliable

Enduronum Molecular Weight

195.215 g/mol

Enduronum Melting Point

312.5 oC

Enduronum H2O Solubility

Very slightly soluble

Enduronum State

Solid

Enduronum LogP

-1.475

Enduronum Dosage Forms

Capsules for oral administration (250 mg)

Enduronum Indication

For use in the treatment of patients with pheochromocytoma for preoperative preparation of patients for surgery, management of patients when surgery is contraindicated, and chronic treatment of patients with malignant pheochromocytoma.

Enduronum Pharmacology

In patients with pheochromocytoma, who produce excessive amounts of norepinephrine and epinephrine, administration of one to four grams of metyrosine per day has reduced catecholamine biosynthesis from about 35 to 80 percent as measured by the total excretion of catecholamines and their metabolites (metanephrine and vanillylmandelic acid). The maximum biochemical effect usually occurs within two to three days, and the urinary concentration of catecholamines and their metabolites usually returns to pretreatment levels within three to four days after metyrosine is discontinued. Most patients with pheochromocytoma treated with metyrosine experience decreased frequency and severity of hypertensive attacks with their associated headache, nausea, sweating, and tachycardia. In patients who respond, blood pressure decreases progressively during the first two days of therapy with metyrosine; after withdrawal, blood pressure usually increases gradually to pretreatment values within two to three days.

Enduronum Absorption

Well absorbed from the gastrointestinal tract.

Enduronum side effects and Toxicity

Signs of metyrosine overdosage include those central nervous system effects observed in some patients even at low dosages. At doses exceeding 2000 mg/day, some degree of sedation or feeling of fatigue may persist. Doses of 2000-4000 mg/day can result in anxiety or agitated depression, neuromuscular effects (including fine tremor of the hands, gross tremor of the trunk, tightening of the jaw with trismus), diarrhea, and decreased salivation with dry mouth. The acute toxicity of metyrosine was 442 mg/kg and 752 mg/kg in the female mouse and rat respectively.

Enduronum Patient Information

No information avaliable

Enduronum Organisms Affected

Humans and other mammals