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@CarolineDiorio @ChildrensPhila eloquently told the #ACR25 BCRC pre-meeting about the lessons they've learned about CRS and ICANS, the major CAR-T toxicities.
Many questions still to answer, but they've also understood a lot we can learn from.
@RheumNow https://t.co/Jhk1eCLpD4
Links:
David Liew drdavidliew ( View Tweet)
Next Generation T-Cell Engager: The Future
Dr. Alfred Kim reviews abstract 0001 presented at #ACR25.
https://t.co/vmZYfmKCm8 https://t.co/PkLOs9lZ8l
Links:
Dr. John Cush RheumNow ( View Tweet)
#ACR25 Abstr#2695 Inguinal lymph node biopsies pre- and post-OBI, RTX, BLIN & CD19 CAR-T showed complete tissue depletion with CAR-T. B-cells reduced but often incomplete with protein-based depleters; OBI being the best. Still don’t agree with “immune reset” @RheumNow #ACRBest https://t.co/Sq7m9sXlLP
Links:
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
Abstract 2696: Phase 1/2 study of rapidly engineered CD19 CAR T showed:
- rapid depletion of CD19 B cells w/ recovery by Day 90
- Days 180 and 360: returning B cells largely naive (CD27-IgD+)
- Interferon expression ↓ after CAR T treatment
@RheumNow #ACR25 https://t.co/FzdFbqWwtE
Links:
Akhil Sood MD, MS AkhilSoodMD ( View Tweet)
Abstract 2695: Deep dive into B-cell depletion (BCD)
Lymph node biopsy pre/post tx:
🔹 CAR T: complete BCD + disrupted follicular architecture
🔹 RTX, OBI, BLIN: reduced BCD + preserved follicular architecture
✅ Complete LN depletion → drug-free remission
@RheumNow #ACR25
Akhil Sood MD, MS AkhilSoodMD ( View Tweet)
Thank you @drdavidliew & @DrLauraCoates ❤️ for highlighting our work. Super-responders (some were IS-Free) do exist with rituximab in #SLE Abstr#1525 @RheumNow https://t.co/S4mMAYInfT
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
Fighting fire with butyrate 🔥🚒
♦️probiotics and prebiotics
Dr. Nisha Manek on inflammation and butyrate - it reduces gut inflamm thru the NFKB pathway
#ACR25 @RheumNow https://t.co/19XTrKn1iN
sheila RHEUMarampa ( View Tweet)
Sjögren’s, decoded by Ab -->ESSDAI domains:
• anti-SSA → glandular
• anti-Ro52 / SCL70 → biologic activity
• anti-nucleosome → pulmonary
• anti-histone → pulmonary + cutaneous
Distinct serologic–ESSDAI patterns may guide monitoring and management
@RheumNow #ACR25 A#2295
Jiha Lee JihaRheum ( View Tweet)
#ACR25 Abstr#LB14 Deep blood & tissue depletion are not just confined to CAR-T. Exploratory analysis of REGENCY showed Obinutuzumab induced near-complete depletion & significantly reduced plasma in kidney tissue vs PBO @RheumNow https://t.co/r1danWBM7D
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
#ACR25 Abstr#LB01 After several smaller studies, a Multicentre, Phase 2b RCT of 152 #SLE pts in China. SRI-4 was met in IL-2 as s/c every other day for 12 wks, followed by weekly for another 12 wks vs PBO. Efficacy & T-regs expansion were dose dependent. On to Phase 3 @RheumNow https://t.co/L0rYr5D1R1
Md Yuzaiful Md Yusof Yuz6Yusof ( View Tweet)
Late Breaker: Phase 2 RCT of low dose IL2 in SLE
Dose dependent response in SRI4 over 12 weeks
& surprisingly high rates of LLDAS
Too early to know if useful, but worth evaluating in a phase 3
#ACR25 @RheumNow Abstr#LB01 https://t.co/oPOLG82nwi
Mike Putman EBRheum ( View Tweet)
Passive transfer of Ab can occur w #IVIg
#Ab can occur from IVIg passive transfer incl HepB
IVIg - if pt has #cryoglobulins
👇
Can precipitate severe #cryo flare
#ClinicalPearl
Secrets & Pearls session
#ACR25 @RheumNow @ACRheum https://t.co/tTaSuVy1yQ
Janet Pope Janetbirdope ( View Tweet)
#1726 IA from immune checkpoint inhibitors (ICI) is a distinct autoimmune entity: T cell-driven but not antibody-mediated
irAE arthritis shows hyperactive, cytotoxic CD8+ T cells & metabolic reprogramming, unlike RA. IL-6, IL-12 & IFNα fuel this process. @RheumNow #ACR25
Mrinalini Dey DrMiniDey ( View Tweet)
#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)
