ANA Pollution (2.06.2026)
Dr. Jack Cush reviews the news, journal articles and regulatory news from this past week on RheumNow.com
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RT @gibson_RheumPAC
Axial PsA remains an area of active investigation. IL-17 inhibitors show consistent benefit, while IL-23 data are emerging—highlighting nuances when axial symptoms drive treatment choice. #RNL26 https://t.co/XFL3Sf8iK4
Dr. John Cush @RheumNow( View Tweet )
The 2025 Rheumatology Year in Review
The year 2025 presented numerous advances in rheumatology and related inflammatory and autoimmune disorders ranging from several new groundbreaking FDA approvals/indications, drug developments, game-changing guidelines and practices that will impact patient care for rheumatic diseases.
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Advanced Practitioner Biologic Prescriptions for Psoriasis
Advanced practice clinicians (APCs; nurse practitioners and physician assistants) deliver a large share of US dermatologic care, accounting for 37% of clinicians and 27% of dermatology visits by 2020. A current JAMA Dermatology reports APC drug spending trends in dermatology, with a focus on
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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
Dr. John Cush @RheumNow( View Tweet )
APEX Study: Inhibition of structural damage progression with Guselkumab in Psoriatic Arthritis
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 )
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 )
ACR 2025 Rheumatology Round Up
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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ACR25 Best Abstracts - Day 4
Here's the last installment of our "ACR Best" abstracts as chosen by the RheumNow faculty. Most of these were from the final, day 4, but a few were noteworthy holdovers from day 3. Enjoy!
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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 interleukin-23 receptor (IL-23R), is showing encouraging efficacy and safety across a range of psoriasis (PSO) and psoriatic disease (PsD) studies.
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What's the latest in PsA? https://t.co/I8ZgRQpVy6
Great review for whats new in PsA by @drpnash
Looking forward for Large IL23-Axial study results.
@RheumNow
#ACR25
Links:
Nouf Al hemmadi @NoufAhmedAlham2( View Tweet )
Heydari-Kamjani et al. TriNetX study. 28973 PsA patients. IL-17i and IL-23i lower rates stroke, MI, DVT/PE than TNFi. IL-12/23i higher rate of stroke vs TNFi. @RheumNow #ACR25 Abstr#2363 https://t.co/fNHaxyYPCP
Richard Conway @RichardPAConway( View Tweet )
Icotrokinra, the new kid on the bloc!
Targeted oral peptide IL-23R-inhibitor
Effective in Ph2 and Ph3 in PSO Adults
Data in Adolescents (12-18yo) with PSO
ICO 200mg QD 44pts vs. PBO 22pts 16wks
All pts received ICO wk16-wk24
Clear/Almost clear skin IGA 0/1 84% vs. 24%
PASI 90 https://t.co/77YvXtdLi1
Links:
Aurelie Najm @AurelieRheumo( View Tweet )
Effect of BioDMARDs on Diabetes risk in 6400+ Psoriasis pts
IL-23i and IL-17Ai associated w/
-lower risks of diabetes
-Diabetic nephropathy
-Stage 3–5 CKD
and reduced risk compared to TNFi treated and bionaive pts
Adjustment on several variables, but not disease severity https://t.co/TDIHXJOC2T
Links:
Aurelie Najm @AurelieRheumo( View Tweet )
Eating Crow (10.10.2025)
Dr. Jack Cush reviews the news, FDA approvals, and journal articles. In this episode: HMGCR Abs, FDA approvals and Cush eats crow.
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Guselkumab FDA Approved for Pediatric Psoriasis and Psoriatic Arthritis
FDA announced yesterday that guselkumab (Tremfya) is approved for use in pediatric patients moderate to severe plaque psoriasis (PsO) or active psoriatic arthritis (PsA) in children six years and older (weighing at least 40 kg).
This is the first IL-23 inhibitor approved for use
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Guselkumab (Tremfya) 1st IL-23 inhibitor to be FDA approved for subcutaneous induction in adults with ulcerative colitis https://t.co/KaZVzyomeY
Dr. John Cush @RheumNow( View Tweet )
Safety of Combination Targeted Therapies in Psoriatic Arthritis
MedPage Today
Treating psoriatic arthritis (PsA) patients with more than one targeted therapy appears to be just fine, with no increased risk of serious infections, insurance claims data indicate.
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Biologic Switching in Psoriasis
A systematic review and meta-analysis found that biologic switching was effective in a significant number of psoriasis patients; but there may be a price to pay.
Patients with psoriasis may be required to switch therapies, for a variet of reasons (
Options for Refractory axSpA or PsA
MedPage Today
Although most patients with axial spondyloarthritis (axSpA) or psoriatic arthritis (PsA) didn't respond adequately to the interleukin-17 (IL-17) inhibitor ixekizumab (Taltz), enough did that it should still be considered in such cases, a Danish registry study indicated.
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Biologic survival study of British Assoc. of Dermatologists Biologics Register (11/07-6/23) looked at 19,034 Rx courses (median F/U 2.3 yrs), of TNFi, IL-12/23i, IL-17i, & IL-23i. IL-23i (GUS & RIS) had best survival (~1.93yrs) for efficacy & safety (broadalumab the least) https://t.co/uhomYmiUZy
Dr. John Cush @RheumNow( View Tweet )
GALAXI-2 and GALAXI-3 published showing the efficacy of IL-23 inhibitor, Guselkumab in a 48 week study in adults with moderately to severely active Crohn's disease. https://t.co/pWolec25cX https://t.co/e2fdcMxEro
Dr. John Cush @RheumNow( View Tweet )
Biologic survival study of British Assoc. of Dermatologists Biologics Register (11/07-6/23) looked at 19,034 Rx courses (median F/U 2.3 yrs), of TNFi, IL-12/23i, IL-17i, & IL-23i. IL-23i (GUS & RIS) had best survival (~1.93yrs) for efficacy & safety (broadalumab the least) https://t.co/aAULb0e3o9
Dr. John Cush @RheumNow( View Tweet )
Cancer Survival Outcomes in Autoimmune Skin Disease Patients
Patients with autoimmune skin diseases (ASDs) with cancer had significantly better cancer survival outcomes than those without ASD, suggesting coexistant autoimmune or inflammatory disease does not adversely affect a cancer prognosis.
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The Impact of Obesity on Psoriatic Arthritis
Sponsored by Lilly Medical Affairs
Image alt text: A person indoors raises one arm in a flexed pose while holding the elbow with the opposite hand.
Is obesity common in your patients with PsA? Learn more about the intersection of disease pathogenesis between PsA and obesity and how weight intervention can affect PsA outcomes.
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