Intravenous pegylated liposomal prednisolone outperforms intramuscular methylprednisolone in treating rheumatoid arthritis flares: A randomized controlled clinical trial
Abstract
Glucocorticoids (GCs) are potent anti-inflammatory drugs but their use is limited by systemic exposure leading to toxicity. Targeted GC delivery to sites of inflammation via encapsulation in long-circulating liposomes may improve the therapeutic index. We performed a randomized, double-blind, active-controlled, multi-center study in which intravenously (i.v.) administered pegylated liposomal prednisolone sodium phosphate (Nanocort) was compared to equipotent intramuscular (i.m.) methylprednisolone acetate (Depo-Medrol®; i.e. a current standards-of-care for treating flares in rheumatoid arthritis patients). We enrolled 172 patients with active arthritis who met all eligibility criteria, eventually resulting in 150 patients randomized in three groups: (1) Nanocort 75 mg i.v. infusion plus i.m. saline injection; (2) Nanocort 150 mg i.v. infusion plus i.m. saline injection; and (3) Depo-Medrol® 120 mg i.m. injection plus i.v. saline infusion. Dosing in each group occurred at baseline and on day 15 (week 2). Study visits occurred at week 1, 2, 3, 4, 6, 8 and 12, to assess both efficacy and safety. The primary endpoint was the "European League Against Rheumatism" (EULAR) responder rate at week 1. Safety was determined by the occurrence of adverse events during treatment and 12 weeks of follow-up. Treatment with Nanocort was found to be superior to Depo-Medrol® in terms of EULAR response at week 1, with p-values of 0.007 (good response) and 0.018 (moderate response). Treatments…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 172 participants or records.
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