clinical pharmacology of anti-inflammatory agents

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clinical pharmacology of anti-inflammatory agents clinical pharmacology of anti-inflammatory agents ankylosing spondylitis sjogren's syndrome venus williams diagnosed with sjogren’s syndrome therapeutic strategies the treatment of patients with inflammation involves two primary goals: first, the relief of symptoms and the maintenance of function, which are usually the major continuing complaints of the patient; and second, the slowing or arrest of the tissue-damaging process. nsaids can be classified based on their chemical structure or mechanism of action salicylates aspirin (acetylsalicylic acid) diflunisal salsalate nsaids propionic acid derivatives ibuprofen naproxen fenoprofen ketoprofen flurbiprofen oxaprozin acetic acid derivatives indomethacin sulindac etodolac ketorolac diclofenac (safety alert by fda) nabumetone nsaids enolic acid (oxicam) derivatives piroxicam meloxicam tenoxicam droxicam lornoxicam isoxicam fenamic acid derivatives( fenamates ) mefenamic acid meclofenamic acid flufenamic acid tolfenamic acid nsaids selective cox-2 inhibitors (coxibs) celecoxib (fda alert) rofecoxib (withdrawn from market) - increased cardiovascular thrombotic events valdecoxib (withdrawn from market) - …

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cells involved in inflammation. the lipoxygenase pathway of arachidonate metabolism yields leukotrienes, which have a powerful chemotactic effect on eosinophils, neutrophils, and macrophages and promote bronchoconstriction and alterations in vascular permeability. cyclooxygenase isoforms the discovery of two cyclooxygenase isoforms (cox-1 and cox-2) led to the concept that the constitutive cox-1 isoform tends to be homeostatic in function, while cox-2 is induced during inflammation and tends to facilitate the inflammatory response. on this basis, highly selective cox-2 inhibitors have been developed and marketed on the assumption that such selective inhibitors would be safer than nonselective cox-1 inhibitors but without loss of efficacy. the more an nsaid blocks cox-1, the greater is its tendency to cause ulcers and promote bleeding. but celecoxib (celebrex), blocks cox-2 and has little effect on cox-1, and is therefore further classified as a selective cox-2 inhibitor. selective cox-2 inhibitors cause less bleeding and fewer ulcers than other …

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nnitus, and dizziness. cardiovascular: fluid retention hypertension, edema, and rarely, congestive heart failure. gastrointestinal: abdominal pain, dysplasia, nausea, vomiting, and rarely, ulcers or bleeding. hematologic: rare thrombocytopenia, neutropenia, or even aplastic anemia. hepatic: abnormal liver function tests and rare liver failure. pulmonary: asthma. rashes: all types, pruritus. renal: renal insufficiency, renal failure, hyperkalemia, and proteinuria. choice of nsaid all nsaids, including aspirin, are about equally efficacious with a few exceptions—tolmetin seems not to be effective for gout, and aspirin is less effective than other nsaids (eg, indomethacin) for ankylosing spondylitis. thus, nsaids tend to be differentiated on the basis of toxicity and cost-effectiveness. for example, the gastrointestinal and renal side effects of ketorolac limit its use. some surveys suggest that indomethacin or tolmetin are the nsaids associated with the greatest toxicity, while salsalate, aspirin, and ibuprofen are least toxic. the selective cox-2 inhibitors were not included in these analyses. choice …

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patients. there may, however, be one or two best nsaids for a specific person. corticosteroids most of the known effects of the glucocorticoids are mediated by widely distributed glucocorticoid receptors corticosteroids glucocorticoids. anti-inflammatory and immunosuppressive effects glucocorticoids cause vasoconstriction when applied directly to the skin, possibly by suppressing mast cell degranulation. they also decrease capillary permeability by reducing the amount of histamine released by basophils and mast cells. the anti-inflammatory and immunosuppressive effects of glucocorticoids are largely due to the actions described above. in humans, complement activation is unaltered, but its effects are inhibited. antibody production can be reduced by large doses of steroids, although it is unaffected by moderate doses (eg, 20 mg/d of prednisone). uses of corticosteroids the most commonly used corticosteroids are prednisone, prednisolone, and methylprednisolone. corticosteroids can be given orally or put directly into the bloodstream through an intravenous needle. they can also be injected directly …

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tient has only been taking steroids for a few weeks, he will still need to taper off. corticosteroid withdrawal can be very difficult for body. in many patients, the disease symptoms become worse. some people experience a sickness that includes fevers, nausea, vomiting, low blood pressure, and low blood sugar. others have withdrawal symptoms that include muscle and joint pain, weight loss, fever, and headaches. if patient have problems coming off corticosteroids, doctor will have taper off the drug more slowly. different people, and different diseases, react very differently to corticosteroids. choosing the right dmard current evidence suggests that combinations of dmards are more effective, and probably less toxic, than monotherapy. methotrexate is often used as an anchor drug, combined with hydroxychloroquine, sulfasalazine or leflunomide. an anti-tnf-alpha drug such as etanercept or infliximab may also be used in combination. there is a stronger evidence base for the disease-modifying effects of …

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clinical pharmacology of anti-inflammatory agents clinical pharmacology of anti-inflammatory agents ankylosing spondylitis sjogren's syndrome venus williams diagnosed with sjogren’s syndrome therapeutic strategies the treatment of patients with inflammation involves two primary goals: first, the relief of symptoms and the maintenance of function, which are usually the major continuing complaints of the patient; and second, the slowing or arrest of the tissue-damaging process. nsaids can be classified based on their chemical structure or mechanism of action salicylates aspirin (acetylsalicylic acid) diflunisal salsalate nsaids propionic acid derivatives ibuprofen naproxen fenoprofen ketoprofen flurbiprofen oxaprozin acetic acid derivatives indomethacin sulindac etodolac ketorolac diclofenac...

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