Remission – Believe it or Not (10.2.2026)
Dr, Jack Cush reviews the news and journal articles from the past week on RheumNow.com
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DERM on RheumNow PODCAST (September 2026)
The Derm on RheumNow podcast is a review of recent citations and content curated for dermatologists – addressing Psoriasis, PsA, CLE, calcinosis, CTD skin disorders. dermatology drugs, biologics, and JAK inhibitors. https://t.co/QYX9G5UFg5
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Link Between Obesity and Psoriatic Arthritis
Obesity is an incidental comorbidity in psoriatic arthritis (PsA). It is a modifiable, mechanistically active driver of disease onset, severity, and treatment failure. A new comprehensive review in RMD Open (Madsen et al., 2026) synthesizes 49 studies suggesting that weight management belongs in
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Mediterranean Diet Lowers Incident Rheumatoid Arthritis Risk
The American Journal of Clinical Nutrition has published the results of the SUN Project study, showing that long-term adherence to a Mediterranean diet (MedDiet) was associated with a substantially lower risk of incident rheumatoid arthritis (RA), but not psoriasis.
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Weight Loss Improves Psoriatic Disease Substantially!
Even before the introduction of incretin therapy and bariatric surgery, many randomized and interventional studies (2019–2026) have consistently showed that weight loss produces clinically meaningful, dose-dependent improvement in both psoriasis and psoriatic arthritis.
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NEJM images: Jaccoud’s arthropathy is a chronic, deforming;from laxity of the ligaments & tendons (not damage to bone & cartilage). Deformities are reducible & no erosions on Xray. Jaccoud’s mimics RA, but most seen w/ SLE. https://t.co/99WDNcpT5c https://t.co/77zAjpQh9A
Links:
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Chinese retrospective study of 140 Bx proven Kikuchi-Fujimoto pts shows very few evolve into #SLE. While 60% were ANA+ (11.3% other autoAbs) - none developed SLE (median F/U 39mos). KFD is benign, self limiting necrotizing lymphadenitis usually in young women. https://t.co/Ai7W9GCBVb
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EUSTAR Registry - Cancer in Systemic Sclerosis
Cancer is a major cause of mortality in systemic sclerosis (SSc). A nested case-control study within EUSTAR registry shows distinct patterns of cancer related temporally to SSc, serologic profiles and traditional cancer risk factors.
Cancers were
Brepocitinib Skin Outcomes in Patients With Dermatomyositis
A secondary analysis of the VALOR trial has shown that the TYK2/JAK1 inhibitor brepocitinib was effective at cutaneous disease activity outcomes, delivering rapid, clinically meaningful, and remission-level control of cutaneous dermatomyositis (DM).
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402 RA pts w. symptomatic Extra-articular manifestations (eg, neuropathy, KCS) had significant impairment in quality of life and work productivity, independent of disease activity. They had lower HAQ (0.92 vs 0.68) & more Absenteeism https://t.co/1FH9gyxoxK https://t.co/faToGXpdSQ
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Guidelines for Adult-Onset IgA Vasculitis
A EUVAS-sponsored expert panel of 37 specialists across rheumatology, nephrology, dermatology and pathology has published evidence-based guidelines for adult-onset IgA vasculitis (IgAV), which behaves very differently in adults compared to usually self-limited childhood form.
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SLE & Dermatomyositis rashes maybe classically red or violaceous in Whites,but different in people of color, where erythema often appears brown/violaceous, Gottron papules can be mistaken for "dry skin." This delays dx, especially in anti-MDA5+ RP-ILD, where rash may be the https://t.co/DIe2OJhZIc
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Rheum Scholarship (8.21.2026)
Dr. Cush reviews the news and journal articles from this past week on RheumNow.com; talking about lumbar belts, scholarships and misdiagnosis.
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MASLD - Spanish review of 330 pts (101 psoriasis, 127 PsA, 102 controls) found metabolic-dysfunc-assoc steatotic liver Dz in 48% PsO, 32% PsA, 9% controls (p < 0.001). FibroScan tended higher in PsO 6.01 PsA 5.1 vs 4.9 controls https://t.co/wPxbLwVlOW https://t.co/ZtqYX5HPZa
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Can Effective Psoriasis Therapy Prevent Psoriatic Arthritis?
A review article assesses and integrates mechanistic, imaging, and clinical evidence to examine whether effective treatment of psoriasis may modify the future risk of psoriatic arthritis (PsA). https://t.co/3gnV3eaKiu
Dr. John Cush @RheumNow( View Tweet )
SLE & Dermatomyositis rashes maybe classically red or violaceous in Whites,but different in people of color, where erythema often appears brown/violaceous, Gottron papules can be mistaken for "dry skin." This delays dx, especially in anti-MDA5+ RP-ILD, where rash may be the https://t.co/Savx5IOTcG
Dr. John Cush @RheumNow( View Tweet )
A Case of Sweet Syndrome
https://t.co/M4ERsHnnH7 https://t.co/88bqEemJG8
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Wealth and Where you Live Influences Outcomes
EurekAlert!
Patients from wealthier European countries tend to start treatment with biologics earlier but also stop or switch treatment earlier. They also experience lower disease activity at treatment start than patients in middle- and low-income countries.
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What's New in Lyme Disease
JAMA has published an overview of new considerations on Lyme disease, focusing on Diagnostics, Vaccines, and Prevention.
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POETYK PsA-1: Deucravacitinib in Biologic-Naïve PsA
POETYK PsA-1 trial tested the disease modifying efficacy of deucravacitinib, a tyrosine kinase 2 (TYK2) inhibitor, in psoriatic arthritis (PsA) patients and was shown to be superior vs to placebo for clinical responses, patient-reported outcomes, and structural damage inhibition in PsA.
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Methotrexate Safety Tips (7.31.2026)
Dr. Jack Cush reviews the news and journal articles from this past week on RheumNow.com.
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Yesterday the EMA approved upadacitinib (Rinvoq) for the Treatment of Adults and Adolescents with Non-Segmental Vitiligo - the 1st therapy approved for the most common form of vitiligo. Based on positive results from the Phase 3 Viti-Up trials https://t.co/MMv5LjZclQ https://t.co/zN41GC5T15
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Psoriasis = Myocardial Dysfunction (unrelated to Cardiometabolic Risk Factors) 1010 PsO pts vs controls w/o skin dz, assessed clinically & by ECHO. PSO pts (even w/ controlled dz) had signif more myocardial dysfunction (17% vs 6%). Higher BMI & DM independently assoc w/ https://t.co/MjcRmgyCWX
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The Wider Implications of Dactylitis
Dactylitis, AKA the "sausage digit", is a hallmark of psoriatic arthritis (PsA), but as Possemato and colleagues point out, it is fundamentally a clinical sign, and not a diagnosis. This review article discusses the wider implications of dactylitis in rheumatology and medicine underscores the
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With their publication in June 2022 (1), the 3rd iteration of the Group for Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA) Treatment recommendations for Psoriatic Arthritis (PsA) may have set a record or sorts.
Pain is typically ranked by both patients and physicians as the most important symptom of psoriatic arthritis (PsA) to assess and treat. Although the predominant concept of the etiology of pain in PsA is that of inflammation in peripheral joints, entheses, and bone signaling through peripheral nociceptive fibers, perceived as pain in the central nervous system, it is actually more complex than that. The ability of a treatment to ameliorate pain is one of the principle measures of its effectiveness. Thus pain improvement or worsening are key determinants of shared decision making about treatment in PsA.
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Patient TS was a 30 year old woman who had been living with psoriatic arthritis for about 18 months. Her symptoms had started about 6 months after the birth of her first child with mild psoriasis in her scalp but increasing joint pain in her hands, wrists, elbows, knees, and ankles. She had dactylitis in several fingers that caused her extreme pain.
