SUBCUTANEOUS NEEDLE ASSISTED JET INJECTION ADMINISTRATION OF METHOTREXATE
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United States of America Patent
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Issued Date -
Mar 7, 2013
app pub date -
Aug 1, 2012
filing date -
Aug 2, 2011
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Abstract
The present application is directed, at least in part, to a method of treating an autoimmune disorder in a subject in need of treatment. In one exemplary embodiment, the method comprises introducing into the subcutaneous tissue of the subject, from a needle assisted jet injection device, a composition comprising methotrexate in a dose ranging from about 5 mg to about 50 mg, wherein the pharmacokinetic profile of said methotrexate, obtained following administration of the methotrexate by the needle assisted jet injection device, is substantially the same as the pharmacokinetic profile of the same dose of methotrexate when administered by an intramuscular injection or a subcutaneous injection. The present invention provides benefits and improvements, including an improved clinical utility, improved therapeutic efficacy, over conventional methods of administering methotrexate.
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