Comparison of two strategies of glucocorticoid withdrawal in patients with rheumatoid arthritis in low disease activity (STAR): a randomised, placebo-controlled, double-blind trial

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Ruyssen-Witrand, Adeline | Brusq, Clara | Masson, Maëva | Bongard, Vanina | Salliot, Carine | Poiroux, Lucile | Nguyen, Minh | Roux, Christian Hubert | Richez, Christophe | Saraux, Alain | Vergne-Salle, Pascale | Morel, Jacques | Flipo, René-Marc | Piperno, Muriel | Gottenberg, Jacques-Eric | Marotte, Hubert | Soubrier, Martin | Gossec, Laure | Dieudé, Philippe | Lassoued, Slim | Zabraniecki, Laurent | Couture, Guillaume | Boyer, Jean Frédéric | Jamard, Bénédicte | Degboe, Yannick | Constantin, Arnaud

Edité par CCSD ; BMJ Publishing Group -

International audience. Objectives To compare two strategies—a hydrocortisone replacement strategy and a prednisone tapering strategy—for their success in glucocorticoid discontinuation in patients with rheumatoid arthritis (RA) with low disease activity (LDA). Methods The Strategies for glucocorticoid TApering in Rheumatoid arthritis (STAR) study was a double-blind, double-placebo randomised controlled trial including patients with RA receiving a stable dose of glucocorticoid 5 mg/day for ≥3 months and were in LDA for ≥3 months. Patients were randomly assigned in a 1:1 ratio to either replace prednisone with 20 mg/day of hydrocortisone for 3 months, then reduce to 10 mg/day for 3 months before discontinuation or to taper prednisone by 1 mg/day every month until complete discontinuation, contingent on maintaining LDA. The primary outcome was the percentage of patients achieving glucocorticoid discontinuation at 12 months. Other secondary outcomes were proportion of flares, need for additional glucocorticoid use, disease activity, patient-reported outcomes and the results of adrenocorticotropic hormone (ACTH) stimulation tests. Results Of the 102 patients randomised in the trial (mean age 62.4 years, 70.6% females), 53 had hydrocortisone replacement and 49 tapered prednisone. At 12 months, 29 patients (55%) in the hydrocortisone replacement group and 23 patients (47%) in the prednisone tapering group achieved glucocorticoid discontinuation (p=0.4). No difference was observed between groups in the secondary outcomes. No cases of acute adrenal insufficiency were observed; however, 17 patients still had an abnormal ACTH stimulation test at 12 months, with no differences between arms. Conclusion A hydrocortisone replacement strategy was not superior to a prednisone tapering strategy for achieving glucocorticoid discontinuation success in patients with RA in LDA. Trial registration number NCT02997605 .

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