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IL-17

Antoni Chan MD (Prof)
@synovialjoints
ACR26 summary, obesity in PsA: 81.8% prevalence of overweight or obesity in a US cohort, lower ACR50 at higher BMI on bimekizumab, and higher ACR50 with ixekizumab plus tirzepatide at 52 weeks. @rheumnow #ACR26 Abstract#2015 Abstract#1305 Abstract#2942
Audrey Gibson
@Gibson_RheumPAC

TOGETHER-PsA by Merola et al may be a practice-changing obesity story. Adding tirzepatide to ixekizumab improved joint outcomes at 52 weeks. Treating inflammation alone may not be enough for some patients with PsA. @rheumnow #ACR2026 #ACRBest Abstract#2942

Audrey Gibson
@Gibson_RheumPAC
Merola et al. (TOGETHER-PsA): In PsA + obesity, adding tirzepatide to ixekizumab improved ACR50 and several disease-activity measures at week 52. Randomized data; open-label design. @rheumnow #ACR2026 Abstract#2942
Audrey Gibson
@Gibson_RheumPAC

Merola et al, TOGETHER-PsA: At 52 weeks, ACR50 was 43.7% with ixekizumab + tirzepatide vs 15.7% with ixekizumab alone. A 28-point difference! Is addressing obesity becoming essential to optimal PsA care? @rheumnow #ACR2026 #ACRBest Abstract#2942

Janet Pope
@Janetbirdope
NEW #MOA in #SLE TLR7/8 #Afimetoran Drives Interferon T1 TLR7 Changes organ damage TLR8 1 or more background #lupus #Rx mandated #prednisone taper Aim <7.5mg/d #GCs Mean #SLEDAI 8, CLASI 7-8 Mean pred 9.5-10.5 85%HCQ #ACR26 @RheumNow @ACRheum #LB24 https://t.co/EXCnYdc7O3
Janet Pope
@Janetbirdope
#H2H #RCTs in #PsA, #PsO Of #IL17i vs #IL23i /IL12/23i For #PsO IL23i>IL17i #guselkumab >secukinumab #Secukinumab>#ustekinumab for #HAQ DI in PsA #PsA #bimekizumab>#risankizumab depends on what you want as outcome #psoriasis v #psoriatic #arthritis #ACR26 @RheumNow #2804 https://t.co/kOQiC5O68Y

ACR 2026 Day 3 Report

Jack Cush, MD

Today the ACR began with the Great Debate, an intriguing set of Plenary presentations, a never-ending poster hall and a plethora of stimulation oral presentation sessions. Here are a few of my favorites from today:

Brian Jaros, MD
@Dr_Brian_MD
Secukinumab works regardless of erosive burden in PsA Post-Hoc analysis of FUTURE-5: ACR20 when stratified by baseline erosion score nearly identical in TNF-naive pt ACR20 in TNF-exposed pt numerically higher in those w/ greater erosive burden @rheumnow #ACR26 Abst2285
Brian Jaros, MD
@Dr_Brian_MD
Which patient with ICI joint disease will have persistent disease? Risk factors include: - tenosynovitis on US/MRI - elevated CRP - baseline GC use - age <65 - peripheral inflam arthritis pattern @RheumNow #ACR26 Abst2806
Mrinalini Dey
@DrMiniDey
TOGETHER-PsA (n=271): week 36, 31.7% on ixekizumab + tirzepatide vs 0.8% on ixekizumab alone achieved BOTH ACR50 and >=10% weight loss. Adding tirzepatide to ixe improved PsA disease control as early as WK4 alongside weight loss in overweight or obese pts. #2297 #ACR26 @Rheumnow
Jiha Lee
@JihaRheum
Do women respond less to PsA advanced therapies? Meta-analysis of 11 studies: males higher ACR20, ACR50 and MDA (OR 1.42, 1.74, 1.94). Differences were seen with TNFi, IL-17i, IL-23i and IL-12/23i, but not TYK2i. Yet placebo response was equal by sex. A#2309 @RheumNow #ACR26
Antoni Chan MD (Prof)
@synovialjoints
TOGETHER PsO and PsA pooled (n=545): at week 36, adding tirzepatide to ixekizumab increased PASI 100 by 11.1% and PASI 90 by 12.6%. Key finding: the combination also improved HbA1c, triglycerides and blood pressure compared with ixekizumab alone. @rheumnow #ACR26 Abstract#2298
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