Chloroquine resistance definition

Discussion in 'Chloroquine' started by kos, 13-Mar-2020.

  1. Sancey Moderator

    Chloroquine resistance definition


    Rapid diagnostic assays for Pf CRT mutations are already employed as surveillance tools for drug resistance. Here, we review recent field studies that support the central role of Pf CRT mutations in chloroquine resistance.

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    Before using chloroquine for prophylaxis, it should be ascertained whether chloroquine is appropriate for use in the region to be visited by the traveler. Chloroquine should not be used for treatment of P. falciparum infections acquired in areas of chloroquine resistance or malaria occurring in patients where chloroquine prophylaxis has failed. 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 term “chloroquine resistance” can lead to misunderstandings when it is considered by some to refer to in vitro phenotypes, by others to refer to the ability of malaria parasites to survive chloroquine at therapeutic serum concentrations in vivo, and yet by others to refer to the outcome of a clinical episode after chloroquine therapy.

    Recognition of the value of chloroquine was delayed, and it was not brought forward until it was reevaluated in the United States and designated the drug of choice against malaria near the end of World War II [3]. These studies suggest chloroquine resistance arose in ⩾4 distinct geographic foci and substantiate an important role of immunity in the outcomes of resistant infections after chloroquine treatment. Investigation of the resistance mechanisms and of the role of immunity in therapeutic outcomes will support new approaches to drugs that can take the place of chloroquine or augment its efficiency Early in the 20th century, intense demands for an effective quinine substitute launched the discovery and evaluation of a series of organic compounds (beginning with methylene blue), which led to pamaquine and quinacrine after World War I and ultimately produced chloroquine in 1934 [1, 2].

    Chloroquine resistance definition

    DRUG RESISTANT MALARIA CURRENT STATUS, Chloroquine mechanism of drug action and resistance in.

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  3. Chloroquine-resistant cells efflux chloroquine at 40 times the rate of chloroquine-sensitive cells; the related mutations trace back to transmembrane proteins of the digestive vacuole, including sets of critical mutations in the PfCRT gene Plasmodium falciparum chloroquine resistance transporter.

    • Chloroquine definition of Chloroquine and synonyms of..
    • Chloroquine-Resistant Malaria The Journal of Infectious..
    • Chloroquine - definition of chloroquine by The Free Dictionary.

    Opment of resistance to antimalarial drugs. To date, drug resistance has only been documented in two of the four species, P. falciparum and P. vivax. 2.3 Diagnosis Table 1 Direct microscopic examination of intracellular parasites on stained blood films is the current stand-ard for definitive diagnosis in nearly all settings. 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. It is also occasionally used for amebiasis that is occurring outside the intestines, rheumatoid arthritis, and lupus erythematosus. It is taken by mouth. Common side effects include muscle problems, loss of appetite, diarrhea, and skin rash. Serious An antimalarial and antiprotozoal agent, also used as a lupus erythematosus suppressant. 2. an antiamebic and antiinflammatory agent used in treatment of malaria, giardiasis, non-intestinal amebiasis, lupus erythematosus, and rheumatoid arthritis; used as the base, hydrochloride salt, or phosphate salt.

     
  4. pakdin New Member

    Summary Chloroquine is an anti-malarial drug available at pharmacies for people traveling to area with malaria risks. Search Results - plaquenil - PubMed Health Hydroxychloroquine - Wikipedia Plaquenil hydroxychloroquine sulfate dose, indications.
     
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    Hydroxychloroquine Plaquenil - Hydroxychloroquine brand namePlaquenil is a disease-modifying anti-rheumatic drug DMARD approved for adults with RA. It is often given in combination with methotrexate and sulfasalazine a treatment known as triple therapy, to help slow RA disease progression for patients who do not get relief from methotrexate therapy alone. 1,2

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  7. adversite New Member

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