Successful treatment of aggressive AA amyloidosis with tocilizumab in a patient with polymyalgia rheumatica.

Polymyalgia rheumatica associated amyloidosis is an extremely rare condition that can be rapidly progressive with high morbidity and mortality and management is challenging. Tocilizumab is a monoclonal anti IL-6 receptor antibody which is in the therapeutic arsenal of polymyalgia rheumatica. The efficiency of tocilizumab in improvement of polymyalgia rheumatica activity score and decreasing steroid dose is well established, while efficiency in polymyalgia rheumatica associated amyloidosis has not been published. Herein, we reported a polymyalgia rheumatica patient with AA amyloidosis who was treated effectively with tocilizumab.