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Updates in SLE and APS
2026 EULAR Press Release
Systemic lupus erythematosus (SLE) and antiphospholipid syndrome (APS) often overlap. While there have been some therapeutic advances, significant needs remain around diagnosis and monitoring, with a gap around definitions and biomarkers for refractory disease or specific subsets.
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New biomarkers in RA: Who to treat, Who to watch, Who to taper?
Here is my summary of what EULAR 2026 is presenting to us in the field of biomarker-driven personalized care in RA.
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Day 2 Report from EULAR 2026
Day two at EULAR 2026 was jammed with sessions on advances in immune checkpoint inhhbitors (and irAEs), Lupus, Scleroderma, RA and IgG4 related disease. Here are a few of my favorites from Day 2.
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And now does MRI do better than US at predicting RA progression in at risk pts?
Short answer: No likely too sensitive!
130 anti-CCP+ symptomatic pts
36.9% progressed
BL US positivity predicted progression HR 2.8
MRI showed prevalence of subclinical disease synovitis >80%
Aurelie Najm AurelieRheumo ( View Tweet)
#EULAR2026 POS0172 #Lupus arthritis is the most common domain in RCTs but SLEDAI-MSK or BILAG-MSK isn’t satisfactory. Look out for the role out of LAMDA once externally validated using independent trial datasets. 4 candidates: SJC28, ESR, VAS Phy MSK, & VAS Pa Pain @RheumNow https://t.co/QJ51ETLSSN
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
Can AI spot RA inflammation from a thermal hand scan?
Cohort 100 RA pts
AI model analysing thermal images detected US PD+ wrist inflammation AUC 0.87
Main features wrist temperature & heat-pattern
With all due validation could this be the next mass screening tool for RA? https://t.co/2AzXj5yQJI
Aurelie Najm AurelieRheumo ( View Tweet)
No big surprise here, deucravacitinib does as well without MTX
Pooled analysis of 52wk data of POETYK PSA
Same ACR20/50/70 and MDA response profiles also similar safety profiles
#POS0288 #EULAR2026 @RheumNow https://t.co/XqLfZstRuS
Aurelie Najm AurelieRheumo ( View Tweet)
A biomarker for CV disease in RA?
Anti-CXCR3 antibodies asso w/ atherosclerosis
Confirmed in a validation cohort
Adding Ab profile to the mSCORE increases
AUC from 0.6 to 0.9
Sens from 30 to 69%
How does it compare with other ways of detecting atherosclerosis?
#POS0899 https://t.co/O7bsLrVyzo
Links:
Aurelie Najm AurelieRheumo ( View Tweet)
What is the @Official_ASAS recommended instrument for evaluating peripheral disease activity in axial and peripheral spondyloarthritis?
👉 DAPSA44
✔️Good construct validity
✔️ High discriminatory capacity
From the ASAS-Sparadise study
#EULAR2026
@RheumNow https://t.co/Jbdvpn95jE
Nelly ZIADE 🍀 Nellziade ( View Tweet)
#EULAR2026 POS0306 Can we predict #lupus nephritis pts who would achieve CR at 12 mths? Monocentric study used M.Learning: developed & internally validated 5 Clinical Score (LUPRED) with AUC 0.75 training set, 0.78 validation. Simple to use but needs external validation @RheumNow https://t.co/1VRE1yBCac
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
Can we finally personalize MTX dosing in #RA? liquid chromatography-tandem mass spectrometry (LC-MS/MS) assay (n=59): MTX-PG3 levels ↑ with dose and age, ↓ with higher disease activity and concomitant biologics. Route (oral vs SC) didn't matter. @RheumNow #EULAR2026 POS0251
Jiha Lee JihaRheum ( View Tweet)
SPARTAN-SSR: New quantitative criteria: BME in ≥3 consecutive slices OR any two of (BME, Erosion, Fat lesion each in ≥3 SIJ quadrants) or ankylosis in ≥3 halves achieves 88-96% sensitivity and 90-98% specificity across 3 cohorts. Precision #axSpA imaging. Abstr OP0100
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
#proof of #concept in #Sjogren’s #dis
#lanalumab Treatment reduced in #SjD
✅reduced B cells in #salivary #glands
—nearly complete depletion in serum
✅reduced B cell activation
✅improved #inflammation of
#parotid & #submandibular glands
@RheumNow #EULAR2026
#OP0163
#POS0284
Janet Pope Janetbirdope ( View Tweet)
OMRF study: Anti-Ro neg Sjögren’s patients share similar molecular profiling as anti-Ro positive pts: innate immune signaling, immune cell activation, inflammation, autophagy, apoptosis, and metabolic dysregulation pathways #EULAR2026 @RheumNow https://t.co/zJm6EbpyIB
TheDaoIndex KDAO2011 ( View Tweet)
#EULAR2026 OP0336 Exploratory study of REGENCY RCT showed Obinutuzumab induced tissue depletion & histologic remission vs PBO. Interestingly, 53% OBI CRR non-responders had histologic remission. Better #lupus nephritis markers needed beyond proteinuria @RheumNow #EULARBest https://t.co/d8jPo9scvw
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
PET-derived parameters in #PsA correlated with DAPSA, CRP and patient pain. Angiogenesis imaging may be a complementary biomarker of overall disease burden Abstr#OP068 #EULAR2026 #Imaging
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
🔮 Can polygenic risk scores predict PsA timing in psoriasis?
Another GWAS study (n=703) says YES!
70-SNP model achieves AUC 0.843 for predicting PsA onset <10 vs >10 years
#POS0088 #EULAR2026 @RheumNow https://t.co/wI4Jy8Yu2A
Nelly ZIADE 🍀 Nellziade ( View Tweet)
🔬 Can baseline T cell phenotype predict PsA treatment response?
COLIPSO cohort (n=17): YES!
Higher Treg & activated CD4+ cells predict DAPSA & joint improvement
#POS0083 #EULAR2026 @RheumNow https://t.co/UIs6LXAWAY
Nelly ZIADE 🍀 Nellziade ( View Tweet)
Window of opportunity in stills disease is early. With IL1 / IL6 agents
#sJIA and #AOSD are the same disease. - may need a standard new crieteria
IL18 measuremnet should be encouraged.
@RheumNow #EULAR2026 plenary https://t.co/EQbs9mDYjS
Links:
Bella Mehta bella_mehta ( View Tweet)
Who should we screen for RA-ILD?
RA-ILD remains a serious extra-articular manifestation, contributing to morbidity and mortality.
At #EULAR2026, two abstracts shed light on clinical phenotyping and risk profiling.
Read my report for @RheumNow:
https://t.co/CTtYHINXxU
Mrinalini Dey DrMiniDey ( View Tweet)
