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Latest & greatest articles for hydroxychloroquine
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Ocular toxicity and antenatal exposure to chloroquine or hydroxychloroquine for rheumatic diseases. Chronic use of chloroquine and hydroxychloroquine inthe treatment of rheumatic disease carries a small risk of sight-threatening pigmentary retinopathy. To obtain safety data for its use in pregnancy, we did ophthalmic examinations in 21 children born to women who took these drugsduring pregnancy. Average daily maternal doses of the two drugs were 317 mg hydroxychloroquine and 332 mg chloroquine
Effect of hydroxychloroquine on progression of dementia in early Alzheimer's disease: an 18-month randomised, double-blind, placebo-controlled study. Results of epidemiological studies, neuropathological observations, and in-vitro experiments all suggest that inflammatory mechanisms contribute to the destructive lesions in Alzheimer's disease. We aimed to establish the effect of the anti-inflammatory drug hydroxychloroquine on the progression of dementia.We did a double-blind, parallel-group (...) , multicentre trial in which we randomly assigned 168 patients with early Alzheimer's disease to hydroxychloroquine (200 or 400 mg dependent on bodyweight), or placebo for 18 months. Outcome measures were related to activities of daily living, cognitive function, and behavioural abnormalities. Analysis was by intention to treat.At 18 months, mean scores for the interview for deterioration in daily life in dementia in patients on hydroxychloroquine (22.6 [SD 11.4]) did not differ from those for patients
Treatment of rheumatoid arthritis with methotrexate alone, sulfasalazine and hydroxychloroquine, or a combination of all three medications. Rheumatoid arthritis is a common disease that causes substantial morbidity and mortality. The responses of patients with rheumatoid arthritis to treatment with a single so-called disease-modifying drug, such as methotrexate, are often suboptimal. Despite limited data, many patients are treated with combinations of these drugs.We enrolled 102 patients (...) with rheumatoid arthritis and poor responses to at least one disease-modifying drug in a two-year, double-blind, randomized study of treatment with methotrexate alone (7.5 to 17.5 mg per week), the combination of sulfasalazine (500 mg twice daily) and hydroxychloroquine (200 mg twice daily), or all three drugs. The dose of methotrexate was adjusted in an attempt to achieve remission in all patients. The primary and point of the study was the successful completion of two years of treatment with 50 percent
A randomized study of the effect of withdrawing hydroxychloroquine sulfate in systemic lupus erythematosus. The Canadian Hydroxychloroquine Study Group. The antimalarial drug hydroxychloroquine is thought to be effective in controlling some of the manifestations of systemic lupus erythematosus, but its effectiveness has not been demonstrated conclusively.We conducted a six-month, randomized, double-blind, placebo-controlled study of the effect of discontinuing hydroxychloroquine sulfate (...) treatment in 47 patients with clinically stable systemic lupus erythematosus. The patients were randomly assigned to continue their same dose of hydroxychloroquine (n = 25) or to receive placebo (n = 22) for 24 weeks. Ten patients in each group were also taking prednisone.The relative risk of a clinical flare-up, defined as the development of specific clinical manifestations of systemic lupus erythematosus or an increase in their severity, was 2.5 times higher (95 percent confidence interval, 1.08
Effects of hydroxychloroquine and sulphasalazine on progression of joint damage in rheumatoid arthritis. The effects of hydroxychloroquine and sulphasalazine on progression of joint damage shown by X-rays were compared in a double-blind, randomised trial in 60 patients with rheumatoid arthritis not previously treated with slow-acting antirheumatic drugs. X-rays of the hands and feet at the start and after 24 and 48 weeks of treatment were available for 28 patients treated (...) with hydroxychloroquine and 22 treated with sulphasalazine. Erosions and joint space narrowing were scored by a single observer unaware of treatment. At baseline there were no significant differences in demographic, clinical, or radiographic characteristics between the treatment groups. Patients withdrawn because of lack of effect were included in the analysis. The median number of erosions was lower in the sulphasalazine than the hydroxychloroquine group at 24 weeks of treatment (2.5 vs 10) and the difference
Penicillamine and hydroxychloroquine in the treatment of severe juvenile rheumatoid arthritis. Results of the U.S.A.-U.S.S.R. double-blind placebo-controlled trial. One hundred sixty-two children with severe juvenile rheumatoid arthritis were entered in a randomized, double-blind, placebo-controlled 12-month clinical trial designed to establish the efficacy and safety of two slower-acting antirheumatic drugs, penicillamine and hydroxychloroquine. The study was a cooperative effort of the United (...) States and the Soviet Union. One group of subjects received 10 mg of penicillamine per kilogram of body weight per day, another group received 6 mg of hydroxychloroquine per kilogram daily, and a third group received placebo. All three groups were allowed a single concurrent nonsteroidal antiinflammatory drug, but no other antirheumatic medications, including corticosteroids. All three groups had dramatic improvement in many of the clinical and laboratory outcome variables after one year of study