Chloroquine mechanism of drug action and resistance in plasmodium falciparum

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  1. azury User

    Chloroquine mechanism of drug action and resistance in plasmodium falciparum

    Chloroquine has been extensively used in mass drug administrations, which may have contributed to the emergence and spread of resistance. It is recommended to check if chloroquine is still effective in the region prior to using it.

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    The emergence of Plasmodium falciparum resistance to anti-malarial drugs has thwarted malaria control efforts and remains a major obstacle to malaria elimination throughout the world. Chloroquine was one of the first drugs to be used on a wide scale for the treatment of malaria. Chloroquine resistance emerged independently in different geographic regions. However, drug resistance threatens to derail this progress. In this review, we present four antimalarial resistance case studies that differ in timeline, technical approaches, mechanisms of action, and categories of resistance chloroquine, sulfadoxine-pyrimethamine, artemisinin, and piperaquine. Chloroquine mechanism of drug action and resistance in Plasmodium falciparum. Slater AF1. Author information 1Picower Institute for Medical Research, Manhasset, NY 11030. Quinoline-containing drugs such as chloroquine and quinine have had a long and successful history in antimalarial chemotherapy.

    The Centers for Disease Control and Prevention recommend against treatment of malaria with chloroquine alone due to more effective combinations. In areas where resistance is present, other antimalarials, such as mefloquine or atovaquone, may be used instead.

    Chloroquine mechanism of drug action and resistance in plasmodium falciparum

    The mechanisms of resistance to antimalarial drugs in., Elucidating Mechanisms of Drug-Resistant Plasmodium falciparum

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  4. The emergence of chloroquine resistance has been associated with a dramatic increase in malaria mortality among inhabitants of some endemic regions. The rationale for chemoprophylaxis is weakening as multiple‐drug resistance develops against well‐tolerated drugs. Plasmodium falciparum drug‐resistant malaria originates from chromosome.

    • The mechanisms of resistance to antimalarial drugs in Plasmodium falciparum.
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    In the pharmacological features of the chloroquine resistance in P. falciparun, namely the proposed efflux mechanism and the reversal of resistance by verapamil, desipramine and related compounds led to the proposal that a similar mechanism for drug resistance was operating in P. falciparum. Drug transport is believed to be of crucial importance for understanding the mechanisms of chloroquine resistance, as it is clear that less chloroquine accumulates in chloroquine-resistant parasites than in chloroquine-sensitive parasites. It was originally thought that this lack of accumulation was the result of an efflux mechanism, and a. Studies in several West African countries, as well as a recent assessment of drug susceptibility of P. falciparum infections in western and central Zaire, have failed to demonstrate chloroquine-resistance 5.

  5. Suppression: 400 mg (310 mg base) orally on the same day every week Comments: -Suppressive therapy should begin 2 weeks prior to exposure; however, failing this, an initial dose of 800 mg (620 mg base) may be taken in 2 divided doses (6 hours apart). Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Hydroxychloroquine From Malaria to Autoimmunity. Plaquenil Hydroxychloroquine for Lupus - LupusCorner
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    Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic Plaquenil hydroxychloroquine sulfate dose, indications. Hydroxychloroquine Side Effects, Dosage, Uses, and More
  7. jmark Guest

    CDC - Malaria - Travelers - Choosing a Drug to Prevent Malaria Education and information regarding choosing a drug to prevent malaria, including a list of all available drugs and reasons for taking or not taking a certain drug. Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link

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