Why is p falciparum resistance to chloroquine

Discussion in 'Chloroquine 250' started by Tartyga, 04-Mar-2020.

  1. Vampiresska XenForo Moderator

    Why is p falciparum resistance to chloroquine


    Chloroquine was first discovered in the 1930s in Germany and began to be widely used as an anti-malaria post-World War II, in the late 1940s. However, resistance to the drug also rapidly emerged, with the first cases of not being cured by administration of chloroquine being reported in the 1950s.

    Chloroquine dosage forms Is it ok to get flu shot while taking plaquenil

    Revised Recommendations for Preventing Malaria in Travelers to Areas with Chloroquine-Resistant Plasmodium falciparum. Since 1982, CDC has recommended the combined use of chloroquine and Fansidar pyrimethamine-sulfadoxine as the primary chemoprophylactic regimen for travelers to areas with transmission of chloroquine-resistant Plasmodium falciparum CRPF. Development of Chloroquine Resistance in Plasmodium falciparum. Drug resistance is the ability of a parasite to survive despite the presence of a drug that is meant to kill it in toxic levels. Resistance developed by most parasites that were initially sensitive to drugs mostly result from mutations in the genes responsive to the drug. From the 1940s-1990s, chloroquine was the mainstay of malaria therapy worldwide. Selection of P.falciparum-resistant isolates was first reported in Southeast Asia Thai-Cambodian border and South.

    Nowadays, other drugs, and notably ones containing artemisinin-based compounds, are preferentially used to treat uncomplicated malaria and especially in areas where chloroquine resistance is known to occur. Since then, resistance has spread rapidly (since obviously it is beneficial to the parasite to be resistant, so various mutations conferring this protection have arisen multiple times in different areas in the world and also been passed on preferentially to new generations of malaria parasites), and now chloroquine resistant are found in multiple locations in south-east Asia, such as Myanmar and India, as well as from Guyana in South America.

    Why is p falciparum resistance to chloroquine

    On the Mechanism of Chloroquine Resistance in Plasmodium., Chloroquine Resistance in Plasmodium falciparum - microbewiki

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  6. The Greater Mekong subregion in Southeast Asia is probably the most alarming source of resistance, from which P. falciparum resistant to chloroquine and pyrimethamine.

    • Evolution of Plasmodium falciparum drug resistance..
    • Chloroquine Resistance in Malaria - ResearchGate.
    • Chloroquine - Wikipedia.

    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. Treatment of uncomplicated falciparum malaria, only in areas where P. falciparum is still sensitive to chloroquine Central America, Haiti and Dominican Republic – Prophylaxis of falciparum malaria for non-immune individuals, only in areas where resistance to chloroquine is moderate and always in combination with proguanil. Forms and. 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 mutations.

     
  7. Ceres Guest

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    Hydroxychloroquine toxicity - EyeWiki