Abstract
We describe a patient with refractory cutaneous polyarteritis nodosa (CPAN) with hepatitis B virus (HBV) carrier status who was successfully treated with tumor necrosis factor alpha (TNF-α) blockade, using etanercept, and we review 5 similar cases. We administered etanercept because of the occurrence of repeated flares despite aggressive therapy. C-reactive protein normalization; prednisolone dose-sparing; and absence of any adverse events, including HBV reactivation with nucleotide analogue administration, or renal dysfunction, have been achieved for 8months. TNF-α blockade should be considered for intractable CPAN.
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