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ACR25 - Day 1 Report
ACR 2025 began today in Chicago with throngs of rheumatologists, fellows, ARP members, APPs and pharma folk taking to the meeting halls and rooms for tons of novel content.
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Clinical and Genetic Effects of Neuropsychiatric Lupus
The clinical features and genetic abnormalities of neuropsychiatric systemic lupus erythematosus shows that NPSLE often means more severe lupus and more organ involvement beyond the central nervous system.
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#1724 MAIT cells central in RA pathogenesis. These innate-like T cells accumulate in synovial fluid, driving fibroblast activation, cytokine release & joint damage. Blocking MAIT activation or deleting MR1 reduces arthritis in mice- a potential new target in RA. @RheumNow #ACR25
Mrinalini Dey DrMiniDey ( View Tweet)
The Power of Gamma Delta T Cell for Autoimmunity https://t.co/wIMu5r7b3D
More on T Cell engagers , this time with gama delta T cell ( tiny but mighty ). Kate Roslin talks about advantages of this protocol. (No cytokines thus less toxicity).
@Yuz6Yusof
@RheumNow
#ACR25
Nouf Al hemmadi NoufAhmedAlham2 ( View Tweet)
#1723 Why is systemic autoimmunity more common in females?
Loss of X-chromosome inactivation maintenance in B cells (not T cells) amplifies interferon-driven disease, with increased autoantibodies, inflammation and renal injury. Key mechanistic advance. @RheumNow #ACR25
Mrinalini Dey DrMiniDey ( View Tweet)
#ACR25 Please find my video and take on Abstr#0646. Promising new Bi-specific T-cell engager (BiTE) other than Blinatumomab in #SLE @RheumNow
https://t.co/5JrLG41nsD https://t.co/KeY6AkHUNK
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
Progressive BiTE in SLE 2 https://t.co/ykMQmSAdlb
More on BiTES in SLE by the one and only @Yuz6Yusof
Bi specific Tcell engager ( CD3-CD19).
@RheumNow
#ACR25
Links:
Nouf Al hemmadi NoufAhmedAlham2 ( View Tweet)
New Paradigms in RA Treatment https://t.co/CqpI2znglE
@jeffsparks Highlights new trials in RA
1-Neuro immune modulation ( Vagal nerve stimulation).
2-Targeting pathogenic T cells
3-T reg CAR-T ( Peace maker).
@RheumNow
#ACR25
Nouf Al hemmadi NoufAhmedAlham2 ( View Tweet)
ANCA status does not inform IL-5 agent response in EGPA patients
Terrier et al. analyzed the OLE of MANDARA and compared ANCA+ and ANCA- subgroups:
- similar rates of remission
- similar rates of GC withdrawal
- comparable relapse rates
@RheumNow #ACR25 Abst 1594
Brian Jaros, MD Dr_Brian_MD ( View Tweet)
When MAS is suspected. Soluble IL2 receptor alpha and CXCL9 may be useful (however t cell lymphomas and viral infections like hepatitis may also have them)
#ACR25 @RheumNow
Key takeaways below https://t.co/wJv1dvwU88
Bella Mehta bella_mehta ( View Tweet)
Simultaneous measurements if S100, Ferritin and IL-18 increase diagnostic utility of these biomarkers in Stills disease.
@RheumNow #Acr25 https://t.co/3wmijNcpVY
Bella Mehta bella_mehta ( View Tweet)
Who talks to their neighbour?
+SSA / Ro talk differently to nearby cells in #SjD #salivary #glands vs NEG Ro SjD
Ro52 acts differently than Ro60
?implications for Rx response? 🤷♀️
#ACR25 @RheumNow @ACRheum #Sjogren’s
Abst#1684
#ACRBest!
Elegant work from Sara McCoy https://t.co/UWUKAxi0UW
Links:
Janet Pope Janetbirdope ( View Tweet)
Case series of 5 patients with binutuzumab (CD20) in AAV
Short story short; it worked. Of course it worked. Obviously it worked. Everyone knew it would work.
Why aren't we doing more TRIALS with new/better B cell inhibitors in AAV?
#ACR25 @RheumNow Abstr#1601 https://t.co/H6Zz3Tf3xo
Mike Putman EBRheum ( View Tweet)
Analysis from FVSG identified 36pts with anti-rituximab antibodies
In AAV, lookout for this in pts who are MPO+ & w/higher CD19 at 6 mos. Worse relapse free survival in both AAV & CRYO!
@TerrierBen can you share the prevalence of these abs?
#ACR25 @RheumNow #ACRBest abstr#1604 https://t.co/Nyx6JxbvUk
Links:
Mike Putman EBRheum ( View Tweet)
#ACR25 Abstr#1535 This is super-cool & watch this space! Novel Bi-specific T-cell Engager using pan-gamma delta TCR instead of currently used CD3. In vitro study = complete B-cell depletion comparable to other BiTE, but with a more favorable cytokine release profile @RheumNow https://t.co/PtR5g3gCPH
Links:
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
#0850 Single-cell RNA-seq of RA synovium uncovers a new biomarker & therapeutic target: PHIF
Made by Tph cells, drives macrophage activation and mirrors disease severity.
Big step forward in understanding RA immunopathogenesis. @RheumNow #ACR25 https://t.co/KtyxU0Lqly
Mrinalini Dey DrMiniDey ( View Tweet)
Key slide and takeaways on the ACR 2025 extrarenal SLE guideline. Presented by Lisa Sammaritano @RheumNow #ACR25 #ACRBest https://t.co/Xa97O6RdBY
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
RA may age the immune system by nearly two decades.
IgG glycome profiles showed inflammatory aging even in early RA, tied to low fitness & high inflammation.
Improving muscle & fitness may help reverse this biologic clock.
@RheumNow #ACR25 Abstract #0835
Jiha Lee JihaRheum ( View Tweet)
What is my risk of developing proteinuria?
Hopkins Lupus Cohort developed a risk score predicting 10-year risk of new-onset proteinuria after SLE dx (n=1,418)
@RheumNow #ACR25 https://t.co/Z0zPrG2NJ3
Akhil Sood MD, MS AkhilSoodMD ( View Tweet)
#0775
Higher circulating microbial small RNA tDR-1 linked to lower risk of developing RA in CCP3+ individuals (AUC 0.86).
tDR-1 downregulates interferon-response genes in vitro, suggesting microbiome-mediated anti-inflammatory mechanism in RA pathogenesis. @RheumNow #ACR25
Mrinalini Dey DrMiniDey ( View Tweet)
