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Single cell TCR sequence study explores the limitations of TRBV9-depleting therapies in axial spondyloarthritis.
Key findings:
- Identified a clonally expanded TRBV5-5+ TCR in HLA-B27+ acute anterior uveitis.
- Alternative TRBVs may retain pathogenicity and evade anti-TRBV9… https://t.co/Aj8oslsTNX
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
đź“ťBimekizumab 160mg Q4 weeks in r-axSpA and nr-axSpA achieved
substantial reductions in MRI inflammation at Wk 16 maintaining to Wk 52.
-PBO‑switchers (started at week 16) reached similar levels of improvement as continuous BKZ pts at Wk 52.
Abst#1757 #ACR24 @RheumNow https://t.co/m9sdAbFqI9
Adela Castro AdelaCastro222 ( View Tweet)
In a cohort of >17,000 European pts w/ axSpA:
-bDMARD naĂŻve pts starting TNFi or IL-17Ai were more likely to achieve LDA than TNF-experienced.
-Higher time to achieve LDA and shorter durability in pts with prior TNFi use.
Abst#1756 #ACR24 @RheumNow
Adela Castro AdelaCastro222 ( View Tweet)
Study revealing the Uterine-Joint Axis in female axial spondyloarthritis, highlighting dysbiosis and subclinical uterine inflammation as key factors in disease pathogenesis.
Key findings:
- Distinct microbiota profiles in AxSpA patients vs. healthy controls.
- Significant genital… https://t.co/Cl12ELdjI2
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
BE MOBILE 1 & 2: Bimekizumab resulted in improvement of SIJ MRI inflammation & structural lesions particularly after 16 wks of treatment and continued on until wk. 52.
Supports addtl evidence of BKZ's winning streak in #axSpA
@RheumNow #ACR24 abs1757 https://t.co/EUntQIuQC8
sheila RHEUMarampa ( View Tweet)
Can we use MTX+MMF to treat active #TAK rather than CYC?
➡️MTX+MMF vs CYC/AZA over 52W
MTX+MMF had:
⬆️Better efficacy in inducing & maintaining remission
âť•Comparable safety to CYC/AZA
⏩This combination may prove preferable to using CYC
Ab1696 #ACR24 @RheumNow https://t.co/S0A8YNk3qL
Mrinalini Dey DrMiniDey ( View Tweet)
Post hoc analysis of INVIGORATE-1 trial evaluated predictors of ASAS40 response in axSpA pts who received IV SEC
⬆️back pain, long dse duration, ⬇️BMI: assoc w/ ⬆️ clinical response
BL enthesitis, older age, ⬆️dse activity: assoc w/ ⬇️ clinical response
@RheumNow #ACR24 abs1482 https://t.co/528A5lXVKl
sheila RHEUMarampa ( View Tweet)
This study by Dr. UGazel et al shows that cervical DISH in SpA is similar to the general population.
Of note, HLAB27+ axSpA pts had more DISH while PsA pts had DISH if they were HLaB27(-)
@RheumNow #ACR24 abs1447 https://t.co/GtcvxVSb8B
sheila RHEUMarampa ( View Tweet)
Zhou et al. Phase 2 RCT of XKH004, IL17A/Fi in AxSpA. ASAS40 50.4% vs 25%. Slightly odd dose response variation, but maybe just noise. @RheumNow #ACR24 Abstr#1453 https://t.co/SsTSThFzro https://t.co/C9yK2G4tqB
Richard Conway RichardPAConway ( View Tweet)
Zhou et al. Phase 2 RCT of XKH004, IL17A/Fi in AxSpA. ASAS40 50.4% vs 25%. Slightly odd dose response variation, but maybe just noise. @RheumNow #ACR24 Abstr#1453 https://t.co/SsTSThFzro https://t.co/C9yK2G4tqB
Richard Conway RichardPAConway ( View Tweet)
Are biosimilar multi-switches an issue?
real world data: DANBIO 🇩🇰
biosimilar to biosimilar switch
having already had a switch prior ('previous ADAo') did not increase cessation
The risk of biosimilar switching on immunogenicity is greatly overstated
#ACR24 ABST1000 @RheumNow https://t.co/1yAfZrrNd0
David Liew drdavidliew ( View Tweet)
New agent on the block: Bimekizumab IL-17A/F inhibitor
Promising clinical data in SpA - what about imaging findings?
Dramatic reductions in MRI activity at SI joints seen in BKZ pt, esp when compared to trajectory of PBO pt before cross-over
@RheumNow #ACR24 Abst #1757 https://t.co/ACLJx5XkyN
Brian Jaros, MD Dr_Brian_MD ( View Tweet)
A systematic review reveals significant sex-related differences in efficacy and safety outcomes in axial spondyloarthritis (axSpA) trials. Males show higher response rates to advanced therapies compared to females. Out of 79 RCTs, only a fraction reported sex-disaggregated data.… https://t.co/dkMRK4ZYHF
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
Does psoriasis (Pso) affect radiographic progression in ankylosing spondylitis (AS)?
A study comparing radiographic spine assessment in AS patients with and without Pso reveals no significant differences in structural lesions. Male gender is a key factor in structural… https://t.co/z34FjHtjEJ
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
A meta-analysis of 11 randomized trials shows no significant difference in efficacy of bDMARDs for early vs. established axial spondyloarthritis (axSpA). Treating at different stages yields comparable short-term outcomes. Abstr#1468 #Spondyloarthritis #RheumatologyResearch… https://t.co/QYuTcVj2m1 https://t.co/ADzEEbCvUM
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
A meta-analysis of 11 randomized trials shows no significant difference in efficacy of bDMARDs for early vs. established axial spondyloarthritis (axSpA). Treating at different stages yields comparable short-term outcomes. Abstr#1468 #Spondyloarthritis #RheumatologyResearch… https://t.co/QYuTcVj2m1 https://t.co/ADzEEbCvUM
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
Dietary changes are intermittent fasting are common in axial spondylarthritis (axSpA) patients, possibly reducing inflammation. A study found 55% currently on a diet and 31% fasting. Many believe these practices improve disease activity. Abstr#1459 #diet #axSpA @RheumNow #ACR24
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
The post hoc analysis of the SURPASS study evaluated predictors of radiographic spinal progression in axial spondyloarthritis patients treated with IL-17A (secukinumab) or TNF inhibitors over 2 years.
Key findings:
- New syndesmophytes: 18.2% (SEC 150 mg), 15.8% (SEC 300 mg),… https://t.co/jke6OHdPjZ
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
The 3-4-5 rule for positive MRI in axSpA remains.
The MRI lesion cut-offs demonstrated high performance across different features of axSpA (PsO, AAU,IBD).
Deep fat and deep sclerosis high specificity for axSpA.
#Abst0821 #ACR24 @RheumNow https://t.co/4JM5MHrB8z
Adela Castro AdelaCastro222 ( View Tweet)
The DESIR cohort of Dr. Franc et al. showed that female pts with early axSpA had significantly lower AMH levels vs. general population reflecting low ovarian reserve & fertility.
Mechanism?
Bigger studies need to be done
@RheumNow #ACR24 abs577 https://t.co/842rX79bq6
sheila RHEUMarampa ( View Tweet)