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Vasculitis Updates: Glucocorticoid use in AAV and GCA

2026 EULAR Press Release Jun 04, 2026

Glucocorticoids are the cornerstone of initial vasculitis treatment, used to rapidly control inflammation and protect vital organs. EULAR has recommendations that cover glucocorticoid use in ANCA associated vasculitides (AAV) and large vessel vasculitis, including giant cell arteritis (GCA).1,2 But the evidence base continues to grow about their use – especially over the long term.

🧲 Does GUS+GOL combo beat GUS alone on MRI in PsA? YES for joints - AFFINITY Phase 2a RCT: greater MRI inflammation reduction in 91pts #OP0186 #EULAR2026 @RheumNow https://t.co/9eIS6lh7WN

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Sustained remission in #SLE at 5 yrs w CAR-T 8 severe SLE patients treated with autologous CD19-CAR T cells (Zorpocel; Miltenyi Biomedicine) #antiDNA and #SLEDAI #antiSm ➡️prolonged suppression Big ? - how long will it work for Impressive! @RheumNow #EULAR2026 #EULARbest #729 https://t.co/8iOSImX3w6

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🧬 Do biomarkers predict #zasocitinib response in PsA? YES: TYK2/IL-17 pathway markers predict ACR20 in 290pts Phase 2b RCT #OP0184 #EULAR2026 @RheumNow https://t.co/AVlyrauI5q

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🔎 Can US predict PsA progression from psoriasis? YES: synovio-entheseal inflammation predicts progression in 183pts prospective cohort #OP0183 #EULAR2026 @RheumNow https://t.co/7B9KU60qFd

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Defining the TRM- SLE patient response. Patient eligibility would be the key #EULAR2026 @RheumNow https://t.co/5CzQYgc12K

🦴 What drives enthesophytes in PsA? SITE-SPECIFIC: Pelvic driven by disease activity+BMI Calcaneal by BMI+damage in a 1596pts cohort OP0182 #EULAR2026 @RheumNow https://t.co/4RxgjJ2V9u

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❤️ Do biologics differ in MACE risk in PsA? YES - JAKi highest risk after 2.5yrs vs TNFi/IL-17i/IL-23i in a retrospective cohort of 22,246pts. OP0181 #EULAR2026 @RheumNow https://t.co/eQdBtMfRAY

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Treatment for #lupus #brain #fog?! #small #RCT of Memantine a N-methyl-D-aspartate receptor (NDAR) antagonist used in #Alzheimers SLE-more permeability in #brain #SLE -antiDNA cross reacting w NDAR #memantine N=19 v #PBO N=25 showed more improvemt #EULAR2026 @RheumNow POS701 https://t.co/qvHOy9oDS7

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DESIR Cohort 10-year data (OP0102): SIJ structural lesions in #axSpA progress slowly, but prior MRI bone marrow oedema predicts later structural damage. bDMARD exposure was associated with less erosion progression supporting early biologic treatment Abstr OP0102 @RheumNow

Male sex independently associated with greater mSASSS increase (β 0.29), higher odds of ≥2-unit mSASSS progression (OR 2.08), and new syndesmophyte formation (OR 1.90) in #axSpA despite lower disease activity scores. Treat symptoms and progression Abstr OP0101 @RheumNow

RD in #IBD: 18.6% of 650 IBD pts affected, most commonly peripheral arthritis and AxSpa. Key finding: 14% of rheumatic manifestations preceded IBD diagnosis. Rheumatologists may see these pts first. GI-rheum collaboration is essential. @RheumNow #EULAR2026 POS0807 https://t.co/028yzOxJ2R

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#EULAR2026 POS0079 Phase I study of “Off-the-Shelf” CD19 CAR-T FT819 in N=13 #SLE pts with/-out LN reported favourable efficacy and safety particularly with Bendamustine conditioning. Advantages: scalable and requires minimal or no conditioning. Will move on to Phase II @RheumNow https://t.co/2rt646Qf0T

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Over 10 years in the GESPIC cohort, males with #axSpA had lower ASDAS/BASDAI and enthesitis but double the odds of significant spinal radiographic progression vs females (OR 2.08). Symptoms don’t always correlate to structural damage Abstr OP0101 @RheumNow #EULAR2026

After TNFi secondary failure: does MOA switch beat TNFi cycling? UK RWD (n=155): yes for #PsA (76% vs 57% drug survival at 12m) and axSpA (80% vs 68%), but not RA. Yet 74% of axSpA pts still got another TNFi. Evidence vs practice gap in plain sight. @RheumNow #EULAR2026 POS0776

JAKi vs ABA in RA-ILD: emulated target trial (n=1,162), JAKi with worse composite respiratory outcomes (HR 1.57) and all-cause mortality (HR 1.59) vs ABA over 5 yrs. JAKi with ↑ pneumonia risk. In RA-ILD, ABA may be the preferred choice? @RheumNow #EULAR2026 POS0813 #EULARBEST

Real-world bimekizumab in SpA/#PsA (BIMPACT, n=223): 76% retention at 12mo, even with 54% having prior IL-17i exposure. Effective after IL-17Ai failure. Oral candidiasis higher in PsA (16.5%) vs SpA (3.3%); led to discontinuation in ~25%. @RheumNow #EULAR2026 POS0798/POS0810

What defines MRI indicative of axSpA? This systematic lit review show adapting more stringent cutoffs in BME (>=4 SIJ quads, erosion >=3 quads, fat >=5 SIJ quads) & combined BME + structural lesions inc specificity. Time for updated definitions? AbsPOS0866 @RheumNow #EULAR2026 https://t.co/gkVbcOAiD3

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ClearMEMory: Ph2 RCT evaluating memantine for tx of cognitive impairment in SLE using RBANS as outcome measure MEM grp had sig. higher change in RBANS TIScore upto wk 12 vs. PBO, esp. immediate memory index score Potential adjunct tx for NPSLE? AbsPOS0701 @RheumNow #EULAR2026 https://t.co/UffdVPRu6s

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@RheumNow WIN Nutrition session #EULAR2026 (4) 🌾 Gluten does NOT influence biologic response in RD, BELIEVE cohort, 197 pts. No need to go gluten-free unless celiac disease 🌱 Plants for Joints trial: plant-based diet + exercise → sustained DAS28&WOMAC improvement @ 2Y, RA/OA @RheumNow

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Vasculitis Updates: Glucocorticoid use in AAV and GCA

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