Ibuprofen Would Be the First-Line Nonsteroidal Anti-inflammatory Drug for Polymyalgia Rheumatica: A Case Series of Five Patients
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The primary treatment of choice for polymyalgia rheumatica (PMR) is corticosteroids, which are better avoided for elderly patients susceptible to PMR. The cases of five patients cured with only a small dosage of 600 mg/day ibuprofen without steroids or methotrexate are reported. Their clinical features were compared with those of the 26 PMR patients who had steroids and/or methotrexate in addition to ibuprofen. PMR was diagnosed based on the 2015 EULAR/ACR criteria. They were all females aged 73-80. They all had no giant cell arteritis or autoantibodies. Nonsteroidal anti-inflammatory drugs (NSAIDs) other than ibuprofen had not worked in four cases; for the one, ibuprofen was the first NSAID. Their serum CRP levels were 1.57-12.8 mg/dL at ibuprofen introduction. Colchicine was co-administered in two patients. At the next visit three to seven days after ibuprofen introduction, they all showed a clear recovery with a CRP level decrease. Ibuprofen tapering was started within three months, and no relapse was until two to five years' follow-up. Comparison with the 26 patients who had additional steroid and/or methotrexate showed that the disease duration until ibuprofen introduction was statistically significantly shorter in the five patients (1.40±0.65 vs 3.28±2.98 months). Ibuprofen would be the first-line drug for PMR, and its earliest use would be beneficial.