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Lamprene Brand names, Lamprene Analogs

Lamprene Brand Names Mixture

  • No information avaliable

Lamprene Chemical_Formula


Lamprene RX_link

Lamprene fda sheet

Lamprene FDA

Lamprene msds (material safety sheet)

Lamprene Synthesis Reference

No information avaliable

Lamprene Molecular Weight

473.396 g/mol

Lamprene Melting Point

210-212 oC

Lamprene H2O Solubility

0.225 mg/L (virtually insoluble)

Lamprene State


Lamprene LogP


Lamprene Dosage Forms

Capsule (50 mg)

Lamprene Indication

For the treatment of lepromatous leprosy, including dapsone-resistant lepromatous leprosy and lepromatous leprosy complicated by erythema nodosum leprosum.

Lamprene Pharmacology

Clofazimine exerts a slow bactericidal effect on Mycobacterium leprae (Hansen's bacillus). Clofazimine inhibits mycobacterial growth and binds preferentially to mycobacterial DNA. Clofazimine also exerts antiinflammatory properties in controlling erythema nodosum leprosum reactions. Clofazimine is highly lipophilic and tends to be deposited predominantly in fatty tissue and in cells of the reticuloendothelial system. It is taken up by macrophages throughout the body. Measurement of the minimum inhibitory concentration (MIC) of clofazimine against leprosy bacilli in vitro is not yet feasible. In the mouse footpad system, the multiplication of M.leprae is inhibited by introducing 0.0001%- 0.001% clofazimine in the diet. Although bacterial killing may begin shortly after starting the drug, it cannot be measured in biopsy tissues taken from patients for mouse footpad studies until approximately 50 days after the start of therapy.

Lamprene Absorption

Absorption varies from 45 to 62% following oral administration in leprosy patients. Bioavailability is approximately 70%. Food increases bioavailability and rate of absorption.

Lamprene side effects and Toxicity

Oral, rabbit: LD50 = 3.3 g/kg; Oral, mouse: LD50 = > 4 g/kg. Severe abdominal symptoms have necessitated exploratory laparotomies in some patients on clofazimine therapy. Rare reports have included splenic infarction, bowel obstruction, and gastrointestinal bleeding. Deaths have been reported, following severe abdominal symptoms.

Lamprene Patient Information

Patients should be warned that Lamprene may cause a discoloration of the skin from red to brownish-black, as well as discoloration of the conjunctivae, lacrimal fluid, sweat, sputum, urine, and feces. Patients should be advised that skin discoloration, although reversible, may take several months or years to disappear after the conclusion of therapy with Lamprene.

Patients should be told to take Lamprene with meals.

Lamprene Organisms Affected