ACTH‐induced cortisol production in multiple sclerosis

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Abstract
We measured the total daily urinary cortisol produced by each of 8 patients with multiple sclerosis during intravenous therapy with adrenocorticotropic hormone (ACTH). Results indicated marked daily variation from patient to patient as well as in the same patient, suggesting that ACTH infusions do not result in reliable, consistent, high‐level production of cortisol. We attempted to express the quantity of cortisol produced as an equivalent amount of oral prednisone. This comparison is difficult to make; but, given certain assumptions, the figures suggest that 40 U or 80 U ACTH infusions do not elicit the quantities of steroid generally considered to be indicated for the therapy of major allergic, autoimmune, or neoplastic diseases.