Metabolism of chloroquine

Discussion in 'Hydroxychloroquine Sulfate' started by pau1, 22-Feb-2020.

  1. Xygi Well-Known Member

    Metabolism of chloroquine

    Please review the following URL and make sure that it is spelled correctly. The administration of chloroquine or hydroxychloroquine to albino and pigmented (hooded) rats at a daily dosage of 40 mg/kg produces a rapid rise in tissue concentrations of the drugs during the first month of medication, but comparatively little further rise when the medications are continued for two additional months.

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    Chloroquine undergoes appreciable degradation in the body. The main metabolite is desethylchloroquine, which accounts for one fourth of the total material appearing in the urine; bisdesethylchloroquine, a carboxylic acid derivative, and other metabolic products as yet uncharacterized are found in small amounts. Chloroquine is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects. Certain types of malaria, resistant strains, and complicated cases typically require different or additional medication. Cimetidine can inhibit the metabolism of chloroquine, increasing its plasma level. Concomitant use of cimetidine should be avoided. Ampicillin. In a study of healthy volunteers, chloroquine significantly reduced the bioavailability of ampicillin. An interval of at least two hours between intake of this agent and chloroquine should be observed.

    However, rats degrade the latter compound more extensively, so that their total mean tissue content of 4-aminoquinoline bases is greater than 30 mg/kg at that time. The mean tissue concentration of chloroquine at 1 month is about 100 mg/kg, compared to about 30 mg/kg for hydroxychloroquine.

    Metabolism of chloroquine

    Chloroquine - an overview ScienceDirect Topics, Chloroquine - Wikipedia

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  6. Chloroquine resistance Chloroquine is not effective against chloroquine- or hydroxychloroquine-resistant strains of Plasmodium species. Chloroquine resistance is widespread in P. falciparum and is reported in P. vivax. Prior to initiation of chloroquine for prophylaxis, it should be determined if chloroquine is appropriate for use in the.

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    Chloroquine is a 9-aminoquinoline known since 1934. Apart from its well-known antimalarial effects, the drug has interesting biochemical properties that might be applied against some viral infections. Chloroquine exerts direct antiviral effects, inhibiting pH-dependent steps of the replication of several viruses including members of the flaviviruses, retroviruses, and coronaviruses. Its best. The development of an analytic method which determines all of the known acidic and basic metabolites of chloroquine made possible a study of its metabolism in man during and after oral dosage at 310 mg/day for 14 days. Plasma levels and urinary excretion reached apparent plateaus at 125 µg/day, respectively, within 10 days. When medication was terminated, plasma levels and urinary excretion. Chloroquine was a potent inhibitor of metoprolol metabolism mediated by CYP2D in rat and human liver microsomes though in human microsomes the drug was two orders of magnitude less potent as an inhibitor. Also, chloroquine, at doses comparable with humans on a per weight basis, inhibited this activity in anesthetized rats.

  7. Emili013 Well-Known Member

    Please make sure that Javascript and cookies are enabled on your browser and that you are not blocking them from loading. Chloroquine - Wikipedia Chloroquine Confirmed Effective as Coronavirus Cure. Chloroquine definition of chloroquine by Medical dictionary
  8. Moderator

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