Chloroquine resistant and sensitive areas

Discussion in 'Chloroquine Phosphate 500 Mg' started by Maxpoh, 25-Feb-2020.

  1. DiltyGh User

    Chloroquine resistant and sensitive areas


    Previously referred to as “Resochin”, Chloroquine was first discovered in 1924 at Bayer laboratories. Its first use was initially ignored as it was found to be toxic to people.

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    Chloroquine-resistant P vivax was first reported in 1989, almost 30 years after chloroquine-resistant P falciparum was first noted. 9,10 The absence of reliable, robust, sensitive methods for detection, mapping, and monitoring of antimalarial drug efficacy in P vivax has almost certainly contributed to the delayed recognition of this emerging. Multi-drug resistant malaria In areas of Thailand near the borders with Cambodia and Myanmar and in Western Cambodia, P. falciparum infections do not respond to chloroquine or pyrimethamine-sulfadoxine, and sensitivity to quinine is reduced. Treatment failures of over 50% are also being reported. Chloroquine is used extensively in malaria endemic areas in Africa to treat the uncomplicated form of Plasmodium falciparum malaria. However, the efficiency of chloroquine has been severely impacted by the recent development of chloroquine resistant plasmodium falciparum parasites.

    These trials showed that chloroquine eliminated malaria and was appropriate to be used as an antimalarial drug. Thus, it was not until World War II that the government of the United States sponsored the clinical trials of chloroquine as an antimalarial drug.

    Chloroquine resistant and sensitive areas

    Revised Recommendations for Preventing Malaria in Travelers., Malaria Prophylaxis – Malaria Site

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  3. Therefore, using culture-adapted isolates in in vitro assays, although occasionally misleading in some cases, may be an effective way of monitoring CQ susceptibility, especially in areas with low prevalence of CQ resistance. Chloroquine susceptibility of the 32 isolates assayed could be categorized into three levels, including S 17 isolates, MR 6 and HR 9, but could also be separated into sensitive and resistant categories with the cut-off value being an IC 50 of 100 nM.

    • Return of chloroquine sensitivity to Africa? Surveillance..
    • Chloroquine Resistance in Plasmodium falciparum - microbewiki.
    • Return of chloroquine sensitivity to Africa? Surveillance of..

    Both species are regarded as very sensitive to chloroquine, although there is a single recent report of chloroquine resistance in P. malariae. P. vivax is still generally very sensitive to chloroquine, although resistance is prevalent and increasing in some areas, notably Oceania, Indonesia and Peru. In all areas with CRPF, there is malaria caused by one or more other species of Plasmodium P. vivax, P. ovale, P. malariae that remain sensitive to chloroquine. In addition, chloroquine-sensitive P. falciparum may coexist with chloroquine-resistant parasites within a geographic area. Chloroquine-resistant P. falciparum first developed independently in three to four areas in Southeast Asia, Oceania, and South America in the late 1950s and early 1960s. Since then, chloroquine resistance has spread to nearly all areas of the world where falciparum malaria is transmitted.

     
  4. Valker Well-Known Member

    Hydroxychloroquine is widely used in the treatment of post-Lyme arthritis. Retinitis Pigmentosa Macula and Retina Institute Plaquenil,vitreous effect? Hydroxychloroquine-Induced Retinal Toxicity - American.
     
  5. zenmsk Moderator

    This may be the result of a broken link, expired bookmark, or mistyped URL. Hydroxychloroquine dosage recommendations often ignored. Plaquenil Risk Calculators PLAQUENIL Dosage & Precautions RxSaver by RetailMeNot
     
  6. redroman Guest

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  7. Turmalina Guest

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