Why chloroquine has high volume of distribution

Discussion in 'Certified Online Canada Pharmacy' started by DooGlass, 05-Mar-2020.

  1. poorgoldon XenForo Moderator

    Why chloroquine has high volume of distribution


    In rough terms, drugs with a high lipid solubility (non-polar drugs), low rates of ionization, or low plasma protein binding capabilities have higher volumes of distribution than drugs which are more polar, more highly ionized or exhibit high plasma protein binding in the body's environment. Volume of distribution may be increased by kidney failure (due to fluid retention) and liver failure (due to altered body fluid and plasma protein binding). The initial volume of distribution describes blood concentrations prior to attaining the apparent volume of distribution and uses the same formula.

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    Dec 23, 2012 Chloroquine has an extremely high volume of distribution 12,950 L. It also has a high clearance rate of 45 L/hour. This means its half-life is roughly 200 hours! If you have been taking chloroquine and your blood has reached a steady state concentration, it will take over 8 days for the plasma concentration to decrease by 50%. When you have a low volume of distribution, there is a good deal of drug in the PLASMA. When you have a high volume of distribution, there is a good deal of drug in the ________. When you have a high volume of distribution, there is a good deal of drug in the EXTRAVASCULAR SPACE. The difference between the apparent volumes of distribution of these two drugs is due to their differing lipid vs water solubilities and plasma protein vs tissue binding characteristics. Drug A has high lipid solubility and exhibits extensive tissue binding while Drug B is more water soluble, less lipid soluble, and therefore distributes into the extracellular fluid only.

    As body composition changes with age, V But this is generally not what happens. Is not a physiologic value; it is more a reflection of how a drug will distribute throughout the body depending on several physicochemical properties, e.g. The unit for Volume of Distribution is typically reported in liters.

    Why chloroquine has high volume of distribution

    Understanding Volume of Distribution – Certara, Pharmacology, Pharmacokinetics Flashcards Quizlet

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  7. Chloroquine was given in 300 mg single doses as an i.v. infusion, an oral solution and as tablets at intervals of at least 56 days to 11 healthy volunteers. Concentrations of chloroquine and its metabolite desethylchloroquine were measured in plasma, erythrocytes and urine using h.p.l.c. 2 Chloroquine was detectable in all plasma samples up.

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    The effect of chloroquine, paracetamol and Promethazine on the pharmacokinetic profile of chlorpropamide was investigated in human subjects. The batches of chlorpropamide, chloroquine, paracetamol and Promethazine used were subjected to quality control studies using official methods. Conversely, it may be decreased in dehydration. Acetylsalicylic acid has a low volume of distribution and is basically distributed in blood, whereas digoxin has a high volume of distribution and is distributed into intravascular space as well as fat and muscle. Hemodialysis removes only the toxins in the intravascular space. Volume of distribution has nothing to do with the actual volume of the body or its fluid compartments but rather involves the distribution of the drug within the body. For a drug that is highly tissue-bound, very little drug remains in the circulation; thus, plasma concentration is low and volume of distribution is high.

     
  8. aka User

    The following protocol is for 10 cm dish (medium: 10ml). Chloroquine - FDA prescribing information, side effects and uses High efficiency polyoma DNA transfection of chloroquine treated cells. Plasmid transfection in HEK293T cell by Calsium Phosphate.
     
  9. Nasti XenForo Moderator

    Applies to hydroxychloroquine: oral tablet Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Anxiety, depression and suicidal ideation in patients with. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus Plaquenil, anxiety and depression,
     
  10. diaplaz Guest

    Hydroxychloroquine Oral Route Description and Brand Names - Mayo Clinic Description and Brand Names. Drug information provided by IBM Micromedex US Brand Name. Plaquenil; Descriptions. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work.

    PATIENT FACT SHEET Hydroxychloroquine Plaquenil
     
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