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Troleandomycin, ketoconazole, and Clarithromycin inhibit metabolism; and may decrease the rate of elimination and increase the half-life of methylprednisolone. [21] [32] Dosages should be decreased accordingly to avoid side effects. Another CYP 3A4 inhibitor, grapefruit juice, prolongs the half-life of oral methylprednisolone. [32]
Terminal half-life (hours) Cortisol (hydrocortisone) 1 1 8 Cortisone: 0.8 0.8 8 Prednisone: 3.5–5 0.8 16–36 Prednisolone: 4 0.8 16–36 Methylprednisolone: 5–7.5 0.5 18–40 Dexamethasone: 25–80 0 36–54 Betamethasone: 25–30 0 36–54 Triamcinolone: 5 0 12–36 Deflazacort: 6.5 – 1.3 Fludrocortisone acetate: 15 200 24 ...
[1] [4] [5] Methylprednisolone acetate was previously suspended with polyethylene glycol but is no longer formulated with this excipient due to concerns about possible toxicity. [6] [8] Depo methylprednisolone acetate is a depot injection and is absorbed slowly with a duration of weeks to months with a single intramuscular injection. [5]
Prednisolone has a relatively short half-life, ranging 2–4 hours. It also has a large therapeutic window, considering the dosage required to produce a therapeutic effect is a few times higher than what the body naturally produces. [14] Prednisolone is 70–90% plasma protein bound, it binds to proteins such as albumin. [14]
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Rather, differences among compounds usually relate to dosing regimens (related to the compound's elimination half-life), route of administration, and tolerability profile. [medical citation needed] Regarding adverse effects, selective COX-2 inhibitors have lower risk of gastrointestinal bleeding. [153]
Methylprednisolone succinate, sold under the brand name Solu-Medrol among others, is a synthetic glucocorticoid corticosteroid and a corticosteroid ester—specifically the C21 succinate ester of methylprednisolone—which is used by intravenous administration.
Methylprednisolone aceponate, or methylprednisolone acetate propionate, sold under the brand names Advantan and Avancort, is a glucocorticoid and a corticosteroid ...