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EULAR 2025 – Day 2 Report
Day 2 was a full agenda for those attending EULAR 2025 in Barcelona with sessions on the management of RA, Behcets, Lupus and Hand Osteoarthritis. Clinical overviews on MAS, Ehlers-Danlos, Difficult to treat RA and PsA offered a wide variety of options to rheumatologists. Here are a few interesting presentations from today.
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Combination treatments in Psoriatic Arthritis
Despite the advances in the treatment of PsA with biologic (bDMARD) and targeted synthetic (tsDMARD), less than half of patients with this condition achieved remission or low disease activity. Combination DMARD treatment is often used in order to achieve remission or minimal disease activity. The standard practice is to use a conventional synthetic (csDMARD) with a bDMARD. The use of the combination of bDMARD with a tsDMARD such as a JAKi or TYK2i is a new order in the treatment of PsA.
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📊 In POETYK PsA-1, deucravacitinib (TYK2i) significantly improved ACR20 at W16 (54% vs 34% placebo) in bDMARD-naive PsA.
Also improved QoL, skin, and MSK outcomes.
Post hoc: slowed radiographic progression.
Well tolerated & no new safety signals
@RheumNow #EULAR2025 #LB0001
Mrinalini Dey DrMiniDey ( View Tweet)
✅Exciting results from POETYK PsA-1: -Deucravacitinib (TYK2i) in PsA
-ACR 20 was achieved in significantly more patients treated with deucravacitinib vs placebo at W16 (54.2% vs 34.1%; P < 0.0001), with similar results for ACR 50 and ACR 70
-Also met 2dary endpoints.
-Post hoc https://t.co/S4DhovMCma
Links:
Adela Castro AdelaCastro222 ( View Tweet)
Tofacitinib vs biologics in PsA:
📍MI/stroke ✅ similar
📍Serious infection ✅ similar
📍Malignancy ✅ similar
📍VTE ❌ higher vs TNFi (aHR 0.26)
Large US claims study (n=48k)
Abstract POS0296 @RheumNow #EULAR2025
Jiha Lee JihaRheum ( View Tweet)
#infections in #JAKi
@drdavidliew
#JAKi sl ⬆️ infection risk vs #TNFi
⬆️HZ w JAKi
JAKi same risk w #latent #TB #LTBI and new TB ⬇️in JAKi v bDMARDs
He didn’t discuss TYK2i
Reassuring - risk⬇️ over time for infection
@RheumNow #EULAR2025 @eular_org
JAKi & infection https://t.co/KVsY2gXVkQ
Links:
Janet Pope Janetbirdope ( View Tweet)
Management of HLH/MAS and modes of action of advanced therapies
Jessica Manson @RheumNow #EULAR2025 https://t.co/Op3u53ZXeK
Links:
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
JAKi: expanding RMD indications—but important safety concerns to consider
⚠️ Cancer: Neutral vs MTX/placebo, ↑ risk vs TNF
⚠️ Infection: ↑ with age, disease activity & GC use—not uniformly higher with JAKi
🗣️ Patients rank infection risk as top concern
@rheumnow #EULAR2025 https://t.co/RJRDWQjqNC
Links:
Jiha Lee JihaRheum ( View Tweet)
Age & dose ⬆️ infections in JAKi
Not all JAKi are created w equal risk
@RheumNow @eular_org #EULAR2015 @drdavidliew
#JAKi & #infection https://t.co/F7zLUBuzJR
Janet Pope Janetbirdope ( View Tweet)
#Cancer is not ⬆️in JAKi vs #bDMARDs in
#rheumatoid #arthritis
When adjusted for #confounders
#JAKPOT data
Now you see it (unadjusted ⬆️risk)
Now you don’t (adjusted =#malignancy)
JAKi vs bDMARDs in RA
EULAR2025 @RheumNow @eular_org
#JAK it out! new perspective on JAKi https://t.co/wCQ3dHNAVa
Links:
Janet Pope Janetbirdope ( View Tweet)
POS0150: From 12 RA registries, JAKi starts fell by ~13% after FDA safety alerts.
Tofa & bari took biggest hits; upa growth slowed but offset losses.
Real-world prescribing adapts—but doesn’t abandon.
@RheumNow #EULAR2025 https://t.co/QZ5haW2vhX
Jiha Lee JihaRheum ( View Tweet)
Fascinating to see JAKi uptake in European JAK-pot centres
- tofa was already on the decline pre-ORAL Surveillance
- JAKi use (driven by upadacitinib) continues to grow, although maybe it’s slowed
Hopefully rational JAKi has its place #EULAR2025 POS0150 @RheumNow https://t.co/XRyHJVw821
David Liew drdavidliew ( View Tweet)
New dual-action RA drug?
OP0193: CPL’116 targets both JAK & ROCK.
In 12-wk RCT, highest dose improved DAS28-CRP, joint counts & pain, with clean labs.
Is this a future option for RA-ILD or patients with comorbid CVD risk?
#EULAR2025 @RheumNow
Jiha Lee JihaRheum ( View Tweet)
Ph 2 RCT CPL'116 dual inhibition JAK/ROCK
106 MTX IR pts
wk12 primary endpoint met (DAS28-CRP decrease) in 240mg arm vs. PBO
75% >= AEs, SAE 2: 1 MI, 1 bladder cancer
Authors suggest absence of lipids/LFTs disruption compared to other JAKs
Ph3 is awaited!!
#OP0193 #EULAR2025 https://t.co/TnnM410LfM
Links:
Aurelie Najm AurelieRheumo ( View Tweet)
Real-world study on dual bDMARD plus JAKi or TYK2i combinations in refractory PsA. 22 PsA patients on dual bDMARD + JAKi/TYK2i:
•Most common: IL-17i + TYK2i
•Total exposure: 8.5–10.5 pt-years
•Only mild URIs/stomatitis
•Clinical improvements seen in joint/skin domains https://t.co/waDReDqSDE
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
Hepcidin detected in synovial membrane and fluid in RA, PsA, and OA. Monocytes were the main source. IL-6, IL-10, IL-17, M-CSF induced hepcidin via JAK-STAT pathway. Hepcidin reduced osteoclastogenesis but correlated with synovial neutrophils and CXCL1 induction. Functional dual https://t.co/ZjUtTYPre8
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
Phase 3 of POETYK-PsA-2:
-Deucravacitinib (oral TyK2i) met the primary endpoint of ACR20 at week 16 and was superior to placebo in multiple PsA domains.
-Clinical efficacy maintained until week 52.
-No major safety signals reported.
-Notably high placebo response rates.
Abstract
Adela Castro AdelaCastro222 ( View Tweet)
❓️How effective and safe is it to combine bDMARDs and tsDMARDS (i.e. TNFi/ IL17i + JAKi/TYKi) in #psoriatic_arthritis?
🅰️ Reassuring data from a case-series study presented by Andre Lucas Ribeiro
#EULAR2025
OP0090
@RheumNow
#Strategy https://t.co/W8fuzSgxbJ
Nelly ZIADE 🍀 Nellziade ( View Tweet)
Efficacy and safety of deucravacitinib up to week 52 in the POETYK PsA-2 study
•ACR20 at W16: 54.2% (deucravacitinib) vs 39.4% (placebo), p=0.0002
•PASI75: 40.9% vs 15.4%, p<0.0001
•MDA: 25.6% vs 14.7%, p=0.0007
•FACIT-F: +2.5 vs +1.8
•SAE: 1.9% (low)
TYK2 inhibition shows https://t.co/JXTZRk2itA
Antoni Chan MD (Prof) synovialjoints ( View Tweet)
Comparative efficacy of tofacitinib vs. adalimumab in RA - metanalysis of 9 RCTs, 24,643 pts finds Tofa signif superior to ADA for ACR20 (RR 1.28), HAQ-DI, VAS, but no difference in adverse events (RR 0.96) or DAS28-CRP improvement https://t.co/5mVY2Qvdms https://t.co/czxnlYHEAl
Dr. John Cush RheumNow ( View Tweet)
