Comparison of methylprednisolone (1 g i.v.) with prednisolone (1 g orally) in rheumatoid arthritis: a pharmacokinetic and clinical study. 1988

C J Needs, and M Smith, and J Boutagy, and S Donovan, and D Cosh, and M McCredie, and P M Brooks
Department of Rheumatology, Royal North Shore Hospital, St. Leonards N.S.W., Australia.

Methylprednisolone pulse therapy is often used in patients with severe rheumatoid arthritis (RA). To compare clinical and pharmacokinetic variables of methylprednisolone and oral prednisolone in patients with RA, a controlled crossover study was carried out. Pharmacokinetic variables for methylprednisolone were Vd of 69.9 l, t1/2 of 2.96 h, total plasma clearance of 17.5 l/h. Pharmacokinetic variables for prednisolone were Vd of 47.5 l, t1/2 of 3.08 h and total plasma clearance of 11.3 l/h. During the elimination phase, a secondary rise in methylprednisolone concentration occurred which may be related to enterohepatic circulation. Clinical response to both prednisolone and methylprednisolone was short-lived with neither lasting more than 6 weeks.

UI MeSH Term Description Entries
D008297 Male Males
D008775 Methylprednisolone A PREDNISOLONE derivative with similar anti-inflammatory action. 6-Methylprednisolone,Medrol,Metipred,Urbason,6 Methylprednisolone
D009994 Osmolar Concentration The concentration of osmotically active particles in solution expressed in terms of osmoles of solute per liter of solution. Osmolality is expressed in terms of osmoles of solute per kilogram of solvent. Ionic Strength,Osmolality,Osmolarity,Concentration, Osmolar,Concentrations, Osmolar,Ionic Strengths,Osmolalities,Osmolar Concentrations,Osmolarities,Strength, Ionic,Strengths, Ionic
D011239 Prednisolone A glucocorticoid with the general properties of the corticosteroids. It is the drug of choice for all conditions in which routine systemic corticosteroid therapy is indicated, except adrenal deficiency states. Di-Adreson-F,Predate,Predonine,Di Adreson F,DiAdresonF
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001172 Arthritis, Rheumatoid A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated. Rheumatoid Arthritis
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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