Abstract
Purpose
Avacopan is a novel C5a receptor inhibitor which was recently licensed for treatment of severe granulomatosis with polyangiitis (GPA) in the European Union and the United Kingdom. To the best of our knowledge, this is the first described case on initial ophthalmic outcomes in a patient with severe GPA and concurrent refractory scleritis treated with avacopan.
Case Description
We present a case of de novo scleritis in a 77-year-old male with a background of retinitis pigmentosa with Argus II implant in situ. Severe scleral inflammation occurred following a suture removal from the implant site. Remission was not maintained despite orbital floor injections and high dose oral prednisolone. The diagnostic work-up revealed GPA which quickly progressed to involve vital organs. In view of his systemic deterioration, he was started on avacopan alongside rituximab, cyclophosphamide and high dose oral prednisolone. Sustained remission of scleritis was noted after 7 months of treatment with avacopan and low dose oral prednisolone with no other maintenance immunosuppression.
Conclusion
We observed a sustained benefit of avacopan in allowing for successful taper of systemic steroids. We report that avacopan used alongside other immunosuppressants may be a viable option in patients with GPA and concurrent refractory scleritis. Further studies are needed to establish the longer term impact of this agent on the control of scleral inflammation.
Keywords
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