Preliminary Assessment of Safety and Tolerability of Avacopan During the Early Access Program for ANCA-Associated Vasculitis

Leeuwen, Jolijn R van; Popov, Tamara; Obergfell, Achim; Rabelink, Ton J.; Teng, Y K Onno

doi:10.2147/btt.s394843

Cited by 3 publications

(2 citation statements)

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“…Similar to the results presented by Cortazar et al [ 37 ], McAdoo et al [ 38 ], Peters et al [ 32 ], and Kim et al [ 39 ], in our cases 1 and 2, treatment with CYC with MP pulses and subsequent RTX was successful in reducing clinical activity and stopping the progression of bone infiltrations in the MRI/CT scans. These results suggest complementary effects of combined CYC and RTX in GPA [ 14 ].…”

Section: Discussionsupporting

confidence: 92%

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Combination Treatment of Locoregionally Aggressive Granulomatosis with Polyangiitis and Cranial Base Infiltration

Bonek,

Brożek-Mądry,

Wroński

et al. 2023

Brain Sciences

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Objectives: To present a personalized approach in three cases of treatment-resistant, locoregionally aggressive forms of cANCA-positive granulomatosis with polyangiitis (GPA) and skull base involvement. Methods: Three patients with GPA and skull base involvement were described alongside a critical review of the current literature. Results: All presented patients suffered from GPA with an inflammatory tumor at the skull base, alongside cerebellopontine angle involvement, cranial nerve palsies, cerebellar disorders, concomitant hearing loss, and severe otalgia. Symptoms were associated with progressive granulomatous destruction of the temporal bone, laryngopharynx, and central nervous system infiltration. Treatment with cyclophosphamide and high doses of glucocorticoid steroids were ineffective but subsequent therapy with rituximab was successful in the presented cases. The literature review showed that the course of the disease with skull base involvement is associated with poorer clinical and radiological responses to standard pharmacotherapies. Conclusion: Granulomatous inflammation localized in the skull base is associated with a more aggressive disease progression and is less likely to respond to pharmacotherapy. Standard induction therapy with cyclophosphamide and glucocorticoid steroids may be ineffective. A better response may be achieved by using rituximab and concomitant local treatment with glucocorticoid steroid injections.

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Section: Discussionsupporting

confidence: 92%

“…Following the recent data, treatment with RTX shows mixed results in patients with granulomatous manifestations in the head and neck region. Studies and case studies have shown both poor [ 32 , 33 , 34 , 35 ] and good responses after RTX in monotherapy [ 36 , 37 ].…”

Section: Discussionmentioning

confidence: 99%