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Adjunctive Prednisolone for Kawasaki Disease

Jack Cush, MD

An NEJM study has shown that glucocorticoids provide no added benefit when added to standard primary treatment in Kawasaki disease patients.

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Update on Primary CNS Angiitis

Jack Cush, MD

The Journal of Neurology has posted a review and update of Primary CNS vasculitis (PCNSV),  also termed primary angiitis of the CNS (PACNS). PCNSV is rare, potentially fatal, and highly treatable, making timely recognition and accurate diagnosis critical. 

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FDA Safety Warning: Avacopan and Serious Liver Injury

Jack Cush, MD

Yesterday the FDA issued a Drug Safety Communication alerting patients and health care professionals about postmarketing identification of serious (drug induced) liver injury, including fatal cases, associated with the use of avacopan (Tavneos) in patients with ANCA- associated vasculitis.

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Moral Distress (3.27.2026)

Jack Cush, MD

Dr. Jack Cush reviews the journal reports and news from RheumNow.com.  This week we discuss moral distress, FM in PsA, Lyme Vax is back & hidden but tangible benefits of the MDHAQ.

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Rheumatology Pitfalls (3.20.2026)

Jack Cush, MD

Dr. Jack Cush reviews the regulatory actions, news and journal reports from this past week on RheumNow.com.

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Hydralazine and the Rare Risk of Vasculitis

Jack Cush, MD

Since the 1980s, hydralazine has been a notable cause of drug-induced lupus, and inferred to cause vasculitis as well.

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UBER Rheumatology Ride (3.6.2026)

Jack Cush, MD

Dr. Jack Cush reviews the news and journal reports from this week on RheumNow.com

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Progress in GCA and Takayasu's Arteritis

Robert Chao, MD

I recently attended a fascinating lecture by Dr. Anisha Dua on progress in the diagnosis and treatment of large-vessel vasculitis, with a focus on giant cell arteritis (GCA) and Takayasu's arteritis. She opened with what felt like the most honest “state of the union” slide you can show a room full of rheumatologists: steroid burden is still enormous.

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Diagnosing and Managing GCA and Takayasu’s Arteritis

Adela Castro, MD

Giant-cell arteritis and Takayasu’s arteritis are both large-vessel vasculitides, but each brings its own diagnostic and management challenges. Many of the difficulties overlap because they are rare, heterogeneous, and lack perfect diagnostic tests or specific biomarkers.

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Retrospective study of 374 newly diagnosed microscopic polyangiitis (MPA) pts - 97 (26%) had severe infections w/in 6 mos - signif higher risk w/ high dose prednisone & chronic lung Dz. most common: bacterial (43%) & lung infx https://t.co/XXAxUZw7kx https://t.co/atK8Ob9zyQ

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Dr. John Cush RheumNow ( View Tweet)
Retrospective clinicopathologic review of 170 AORTIC surgical pathology cases (2009-16) - showed 87% w/ atherosclerosis, 13% aortitis/periaortitis and 2.4% atherosclerosis w/ excessive inflammation. Lymphoplasmacytic inflammation was most common w/ aortitis/periaortitis. https://t.co/CuP30dqRQU
Dr. John Cush RheumNow ( View Tweet)
Asia-Pacific Lupus study of Mucocutaneous activity (MC-A) in 4102 SLE pts. 36% had MC-A (rash 1055; alopecia 731; m ulcers 352); 15% persistently. MC-A assoc w/ W, smoking, +serologies, vasculitis, myositis, serositis, nephritis, NP-SLE https://t.co/XeBc4DJon9 https://t.co/n2wAq2OIGt

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Dr. John Cush RheumNow ( View Tweet)
Update on Primary CNS Angiitis The Journal of Neurology has posted a review and update of Primary CNS vasculitis (PCNSV), also termed primary angiitis of the CNS (PACNS). PCNSV is rare, potentially fatal, and highly treatable, making timely recognition and accurate diagnosis https://t.co/cjGX1ig8Lp
Dr. John Cush RheumNow ( View Tweet)
Retrospective Japanese study of 544 pts w/ GPA or microscopic polyangiitis (MPA) followed > 48 wks; only 29 (5.3%) achieved steroid free remission (GFCR) at wk 48. Predictors of GFCR: rituximab induction (OR 3.9) & avacopan use (OR 24.3). MP pulse RX had lower likelihood of GFCR https://t.co/EMRqA5oHJQ
Dr. John Cush RheumNow ( View Tweet)
Hydralazine and the Rare Risk of Vasculitis Since the 1980s, hydralazine has been a notable cause of drug-induced lupus, and inferred to cause vasculitis as well. A retrospective cohort study from Canada has shown that vasculitis resulting from hydralazine is possible, but https://t.co/ewqCesatbm
Dr. John Cush RheumNow ( View Tweet)
What did you miss at RheumNow Live 2026? Our Poster Hall features new data across: • Psoriatic Arthritis • Systemic Lupus Erythematosus • Lupus Nephritis • Vasculitis • Polymyalgia Rheumatica • Axial Spondyloarthritis From Phase III trials to real-world evidence, these https://t.co/nuXGUdmwon
Dr. John Cush RheumNow ( View Tweet)
Is Giant cell arteritis over diagnosed or over-referred? Caution IF the patient is: 1) under age 50yrs; 2) has Hx of chronic HA or migraine; 3) has normal ESR/CRP. Why not consider screen w/ Giant Cell Arteritis Probability Score (needing 9.5/32 points) https://t.co/qnCWgzjYJ4 https://t.co/LT6atm0m8f

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Dr. John Cush RheumNow ( View Tweet)
Diagnosing and Managing GCA and Takayasu’s Arteritis Giant-cell arteritis (GCA) and Takayasu’s arteritis (TAK) are both large-vessel vasculitides, but each brings its own diagnostic and management challenges. Many of the difficulties overlap because they are rare, https://t.co/ePJqcMjcBA
Dr. John Cush RheumNow ( View Tweet)
What did you miss at RheumNow Live 2026? Our Poster Hall features new data across: • Psoriatic Arthritis • Systemic Lupus Erythematosus • Lupus Nephritis • Vasculitis • Polymyalgia Rheumatica • Axial Spondyloarthritis From Phase III trials to real-world evidence, these

Dr. John Cush RheumNow ( View Tweet)

The vasculitis session at #RNL26 was a fantastic update on inflamed blood vessels, large and small, by two experts in the field. https://t.co/KuVei8jiFu https://t.co/PR4h2qniEL

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Dr. John Cush RheumNow ( View Tweet)
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