The active ingredient in EMFLAZA is deflazacort (a corticosteroid). Corticosteroids are adrenocortical steroids, both naturally occurring and synthetic. The molecular formula for deflazacort is C 25 H 31 NO 6 . The chemical name for deflazacort is (11β,16β)-21-(acetyloxy)-11-hydroxy-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione, and the structure is: Deflazacort is a white to off white, odorless fine powder and has a molecular weight of 441.517. Deflazacort is freely soluble in acetic a...

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The recommended once-daily dosage is approximately 0.9 mg/kg/day administered orally Discontinue gradually when administered for more than a few days 2.1 Assessments Prior to First Dose of EMFLAZA Administer all immunizations according to immunization guidelines prior to starting EMFLAZA. Administer live-attenuated or live vaccines at least 4 to 6 weeks prior to starting EMFLAZA . 2.2 Dosing Information The recommended oral dosage of EMFLAZA is approximately 0.9 mg/kg/day once daily. If tablets ar...

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Alterations in Endocrine Function: Hypothalamic-pituitary-adrenal axis suppression, Cushing’s syndrome, and hyperglycemia can occur; Monitor patients for these conditions with chronic use of EMFLAZA Immunosuppression and Increased Risk of Infection: Increased risk of new, exacerbation, dissemination, or reactivation of latent infections, which can be severe and at times fatal; Signs and symptoms of infection may be masked Alterations in Cardiovascular/Renal Function: Monitor for elevated blood p...

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Moderate or strong CYP3A4 inhibitors: Give one third of the recommended dosage of EMFLAZA Avoid use of moderate or strong CYP3A4 inducers with EMFLAZA, as they may reduce efficacy 7.1 CYP3A4 Inhibitors and Inducers Moderate or Strong CYP3A4 Inhibitors The active metabolite of deflazacort, 21-desDFZ, is a substrate of CYP3A4 . Co-administration of deflazacort with clarithromycin, a strong CYP3A4 inhibitor, increased total exposure to 21-desDFZ by about 3-fold. Therefore, give one third the recomme...

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Corticosteroids should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Infants born to mothers who have received substantial doses of corticosteroids during pregnancy should be carefully observed for signs of hypoadrenalism. There are no adequate and well-controlled studies with EMFLAZA in pregnant women to inform drug-associated risks. Corticosteroids, including EMFLAZA, readily cross the placenta. Adverse developmental outcomes, including orofacial...

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