Psoriatic arthritis

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Turkey Tryptophan (11.28.2025)

Jack Cush, MD

Dr. Jack Cush reviews the news and reports from this past week on RheumNow.com, including reports on FDA resurrections, FM seasonal worsening, and do you fight switch or swap biologics in PsA TNFi nonresponders?

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RheumNow Live 2026 is coming February 7th and 8th to Dallas, Texas - and registration is now open! This year’s program covers vasculitis, autoimmune disease, PsA, RA outcomes, spondyloarthritis, and much more. Reserve your spot today at https://t.co/o78Pc8LPsQ https://t.co/GOUW5Od9Hy

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Dr. John Cush @RheumNow( View Tweet )
Study of 452 #PsA pts who failed 1st line TNFi Rx (LOE) - 275 Cycled to another TNFi vs 177 Swapped to an IL-17i. Higher Retention in Swap (78%) vs cycled (68%) PsA pts (p < 0.001) @12 mos (60 v 40%@3yrs). Tx failure predicted by cycling, Dz Activity, Rx year, axial & mixed https://t.co/VQLBlBEw4W
Dr. John Cush @RheumNow( View Tweet )
Obesity-inflammation axis in PsO & PsA: obesity is assoc w/ less remission& poorer drug responses; possibly from adipokines, biomechanical stress, gut dysbiosis, etc. Notably, weight loss can improve both psoriatic disease course and response to therapy. https://t.co/cZbeu0zfmR https://t.co/EoCTNKk265

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Dr. John Cush @RheumNow( View Tweet )
CorEvitas observational registry of 3,696 w/ psoriatic arthritis (no hx of CV eents), followed for mean 3.7 yrs, showed that Dactylitis and enthesitis did not predict future CV events. But Dactylitis and enthesitis and Synovitis were all significantly interrelated. Cureus 17(11): https://t.co/kPgGKliUUs
Dr. John Cush @RheumNow( View Tweet )
Betw 1990 to 2021 the global psoriasis burden had a slight increase w/ little difference betw men & women, roughly 57-61 100 000 (10% increase). Risk highest in N.America & W.Europe. PSO risk highest with higher incomes. https://t.co/raruHn5Txx https://t.co/bp1rWyWS7y

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Dr. John Cush @RheumNow( View Tweet )
RNL 25 Replay: Psoriatic Arthritis Enjoy these excerpts from the RNL 2025 meeting, and join us for RNL 2026 in Dallas, TX - registration is now open! Visit https://t.co/o78Pc8LPsQ for complete details. https://t.co/ri0E9Z7GWG https://t.co/RPdwjE9eNB

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Dr. John Cush @RheumNow( View Tweet )
APEX Study: Inhibition of structural damage progression with Guselkumab in PsA Guselkumab, a human IL-23 inhibitor, was evaluated in patients with active PsA and shown to have both clinical and radiographic benefits at weeks 24 and 48. https://t.co/iNEziysnVZ https://t.co/XgFGFfGf3b

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Dr. John Cush @RheumNow( View Tweet )
psA.fil_.Hands_.jpg

APEX Study: Inhibition of structural damage progression with Guselkumab in Psoriatic Arthritis

Jack Cush, MD

Guselkumab, a human IL-23 inhibitor, was evaluated in patients with active psoriatic arthritis (PsA) and shown to have both clinical and radiographic benefits at weeks 24 and 48.

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IL-23 Blockade Goes Oral A new player is entering the IL-23 arena — and it’s a tablet! Icotrokinra (ICO), a first-in-class peptide that binds and blocks the IL-23R, is showing encouraging efficacy and safety across a range of psoriasis (PSO) and psoriatic disease (PsD) studies. https://t.co/fYXULrMD16
Dr. John Cush @RheumNow( View Tweet )
GLP-1 Receptor Agonists in PsA: Mortality and MACE Dr. Antoni Chan reports on abstract 0849 (Mortality and Major Adverse Cardiac Events (MACE) with GLP-1 Receptor Agonists in Psoriatic Arthritis), presented at #ACR25. https://t.co/XNyt3UIjgp https://t.co/RUnZCjXF9T

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Dr. John Cush @RheumNow( View Tweet )
#ACR25 PsA Topic Panel A focused conversation on the latest in psoriatic arthritis care - from emerging data and treatment strategies to real-world challenges in diagnosis and management. Hear expert perspectives, clinical pearls, and what's shaping PsA practice right now. https://t.co/PP0fkweXsZ
Dr. John Cush @RheumNow( View Tweet )
New Approaches to Therapy in PsA Dr. Arthur Kavanaugh offers an overview of new approaches to therapy in psoriatic arthritis, at #ACR25. https://t.co/9vHgQ6S2JD https://t.co/5mvX1rOrIP

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Dr. John Cush @RheumNow( View Tweet )
Late-Breaking Trials in axSpA and PsA https://t.co/EWeF0nkb1h https://t.co/HgY0be0PDX

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Dr. John Cush @RheumNow( View Tweet )
Diagnostic Delays in PsA: A Radiographic Perspective Dr. Brian Jaros reports on abstract 1713 (Diagnostic Delay in Psoriatic Arthritis and its Impact on Radiological Outcomes: A Systematic Review and Meta-analysis of 23,894 Patients), presented at #ACR25. https://t.co/iLllm7DcCF
Dr. John Cush @RheumNow( View Tweet )
IL-23 Blockade Goes Oral A new player is entering the IL-23 arena — and it’s a tablet! Icotrokinra (ICO), a first-in-class peptide that binds and blocks the IL-23R, is showing encouraging efficacy and safety across a range of psoriasis (PSO) and psoriatic disease (PsD) studies. https://t.co/MyqCjilYGL
Dr. John Cush @RheumNow( View Tweet )
IL-23 Blockade Goes Oral A new player is entering the IL-23 arena — and it’s a tablet! Icotrokinra (ICO), a first-in-class peptide that binds and blocks the interleukin-23 receptor (IL-23R), is showing encouraging efficacy and safety across a range of psoriasis (PSO) and https://t.co/7awBk16ZrQ
Dr. John Cush @RheumNow( View Tweet )
Weight Loss as a Therapeutic Goal in PsA PsA is a complex inflammatory disease often complicated by obesity, which not only worsens disease activity but also impairs treatment response. At #ACR25, 3 compelling studies spanning pharmacologic, lifestyle, and longitudinal https://t.co/Q6IFGn5zCI
Dr. John Cush @RheumNow( View Tweet )
PsA: Impact of Sex Dr. Arthur Kavanaugh highlights the importance of sex on disease characteristics and response to therapy in psoriatic arthritis, reporting from #ACR25. https://t.co/QtU4iATexR https://t.co/uCJsxYpFTc

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Dr. John Cush @RheumNow( View Tweet )
syringe, pill, DMARD, Treatment, therapy

What should head-to-head studies in inflammatory arthritis teach us?

Janet Pope, MD, MPH, FRCPC

The multimillion dollar question for inflammatory arthritis prescriptions is: which drug should I use next?

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Psoriatic Arthritis: Which biologic agent is the best first choice? A growing arsenal of therapeutic targets in psoriatic arthritis (PsA) has enhanced the landscape of treatment in patients with this disease. https://t.co/pRMyPCvMrN https://t.co/nOgnf5F3Pw

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Dr. John Cush @RheumNow( View Tweet )
Should we be using JAKi more in female SpA patients? In recent years, data has emerged suggesting that female patients with spondyloarthritis, both psoriatic arthritis and axial spondyloarthritis, may have worse outcomes than male patients. A number of post-hoc analyses of https://t.co/smLao0q2hv
Dr. John Cush @RheumNow( View Tweet )
Early Peripheral SpA: Is it okay to stop treatment sometimes? Dr. Richard Conway reports on abstract 0568 "Drug-Free Remission in Early Peripheral Spondyloarthritis: 10-year follow-up from the CRESPA-trial," presented at #ACR25 https://t.co/FtI2o90v9O https://t.co/jUAEDZhDW5

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Dr. John Cush @RheumNow( View Tweet )
Cush and Kavanaugh

ACR 2025 Rheumatology Round Up

Jack Cush, MD

Drs. Jack Cush & Arthur Kavanaugh, two of rheumatology’s most trusted voices, provide a breakdown of the latest breakthroughs and hottest topics in rheumatology from the 2025 ACR Convergence meeting in Chicago.

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💬 #ACR2025 Topic Panels — LIVE! Nov. 2 join RheumNow at 7 PM ET for a deep dives into the hottest topics in rheumatology: 👉 PsA Join Us Live on: X Live • Facebook Live • YouTube Live • LinkedIn Live • https://t.co/V10S4oVFsv Top experts. Real clinical insight. Don't miss https://t.co/A4pUjZG3Dr

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Dr. John Cush @RheumNow( View Tweet )

Recent Blogs

Best of 2022: The Enthesitis Challenge in Psoriatic Arthritis

Robert Chao, MD
heel enthesitis spur calcaneal
A colleague of mine once told me an interesting story of how her father, who was a doctor, misdiagnosed his wife with fibromyalgia when she actually had psoriatic arthritis with enthesitis all along. I would venture out and say that the average physician would have trouble evaluating enthesitis because even we, as rheumatologists do!  Read Post

Best of 2022: Toss of a Coin - How do You Choose PsA Medication?

M. Elaine Husni, MD, MPH
Coin toss
When balancing all these disease domains, individual phenotypes, and comorbidities, sometimes treatment decisions can feel like tossing a coin. Fortunately, numerous guidelines have been published to help us do better than tossing a coin…or do they?  Read Post
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