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Labs/Biomarkers

ANCA assoc. pachymeningitis (AAP) is rare. 230 systemic vasculitis, from 177 reports (108 MPO+, 71 PR3+); age~60; HA & cranial neuropathy (hearing/visual loss, diplopia) common. 89% w/ systemic Sxs (ENT, lungs, orbits, kidneys). Look for abnl ESR/CRP, CSF https://t.co/bHQegYYl5V https://t.co/hpfu8iaIkx
Dr. John Cush @RheumNow( View Tweet )
Rheumatoid Factor as a Potential Marker of Cardiometabolic and Hepatic Risk. RF has been assoc w/ ASHD, MI, CAD, ischemic stroke, obesity, insulin resistance, type 2 diabetes, and metabolic syndrome -- all mediated via downstream inflammation. https://t.co/gQvqMJmyPw https://t.co/8VnmVsuU2h
Dr. John Cush @RheumNow( View Tweet )
True or False: HLA-B27 positivity in psoriatic arthritis is associated with earlier disease onset and a higher prevalence of axial involvement. Put your knowledge to the test in this week's RheumIQ quiz at https://t.co/KVK8J2iaFQ https://t.co/SZZqaNvO2Z
Dr. John Cush @RheumNow( View Tweet )

Influential Rheumatoid Factors (5.8.2026)

Dr. Jack Cush reviews the news and journal articles from this past week on RheumNow.com

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Gout Control Lowers Cardiovascular Events

A large target emulation trial suggests that gout patients prescribed urate-lowering treatment who achieve a serum urate level lower than 6 mg/dL significantly lower their risk of cardiovascular events.

Cohorts were derived from the Clinical Practice Research

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Review of Toll-like Receptor Research

EurekAlert!

A new review on Toll-like receptors (TLRs) systematically summarizes forty years of discoveries in the TLR field, from the initial identification of Toll in Drosophila embryonic development to the current understanding

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HLA-B27 in PsA: assoc w/ earlier onset, axial Dz, enthesitis, systemic inflammation. Study of 333 CASPAR PsA pts - 12% HLA-B27 positive--earlier onset (43 v 49), axial (46 v 24%), enthesitis (33 v 18%). No signif differences in sex, dactylitis, uveitis, Rx responses, https://t.co/ALP6AnygSf
Dr. John Cush @RheumNow( View Tweet )
Rheumatoid Factor as a Potential Marker of Cardiometabolic and Hepatic Risk. RF has been assoc w/ ASHD, MI, CAD, ischemic stroke, obesity, insulin resistance, type 2 diabetes, and metabolic syndrome -- all mediated via downstream inflammation. https://t.co/gQvqMJmyPw https://t.co/TmoodnuJTe
Dr. John Cush @RheumNow( View Tweet )

A Patient’s Plea for a New Paradigm in Autoimmune Disease

A current article in Nature Reviews Rheumatology has a patient boldly asking why we rheumatologists aren't more like her oncologists?

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Metabolic Syndrome Predicts Cardiovascular Outcomes in Inflammatory Arthritis

Chronic inflammatory arthritis (CIA) is associated with elevated cardiovascular risk. While metabolic syndrome (MetS) is prevalent, how much it contributes to adverse clinical outcomes is unclear.

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Among 1074 #PsA tested annually, RF positivity was found in 16.1% overall (5.1% RF+ at baseline). RF+ rediced odds of MDA (OR 0.53) w/ incr risk of bDMARD discontinuation (OR 2.65) https://t.co/AmG6hkWABW https://t.co/MYhkfxAh0r
Dr. John Cush @RheumNow( View Tweet )
Study of 216 RA pts - Serum IL-8 independently assoc w/ RA Dz activity. CRP & IL-6 significantly associated w/ higher IL-8 levels, but RF & CCP did not. IL-8 also correlated w/ CV risk (SCORE2) & carotid intima media thickness https://t.co/aqUoAeXFFP https://t.co/ZW7OAx8YGK
Dr. John Cush @RheumNow( View Tweet )
Dental study from India assessed periodontal Dz (PD) in 170 RA vs 170 non-RA pts. RA had more PD, ^ESR, more mild PD (39% v 29%). DAS-28 correlated w/ PD severity. Pts w/ periodontitis had 3X ods of RA (OR = 2.9) /https://t.co/bvOnFzbRcd https://t.co/cSxfiIR4iS
Dr. John Cush @RheumNow( View Tweet )
Arthralgia w/ HIGH ACPA level >3x ULN) has a 30–50% probability of being diagnosed with RA within 3–5 years https://t.co/iJTyMQM480

Dr. John Cush @RheumNow( View Tweet )

Severe thrombocytopenia (TP) assoc w/ severe APS & increased mortality. Retro study of 432 #APS pts - 142 w/ TP (33%): 13% severe TP (<50L G/L). Severe TP assoc w/ ITP & CAP -had higher mortality https://t.co/7f8VpIcEJy

Dr. John Cush @RheumNow( View Tweet )

Severe thrombocytopenia (TP) assoc w/ severe APS & increased mortality. Retro study of 432 #APS pts - 142 w/ TP (33%): 13% severe TP (<50L G/L). Severe TP assoc w/ ITP & CAP -had higher mortality https://t.co/p0bvLKupUe

Dr. John Cush @RheumNow( View Tweet )

Prescribing Lessons (4.17.2026)

Dr. Jack Cush reviews the news and journal articles from this past week on RheumNow.com.

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Still's Disease Update

Arthritis Research & Therapy has published an overarching review of Still's disease - claiming it to be a single acquired and complex autoinflammatory disease in which both pediatric and adult forms share core pathogenic mechanisms, genetic associations and clinical presentations, with minor

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Potential new mechanism of MTX Effx - MTX polyglutamates accumulates in monocytes by D5, modulates transcriptional signature “non-classical monocyte”-assoc genes by Wk4, & predicts MTX responses https://t.co/g14GONKgvq https://t.co/oyoua9xAN4
Dr. John Cush @RheumNow( View Tweet )

Screening High Risk Myositis Patients for Cancer

An Italian retrospective study of 411 idiopathic inflammatory myopathies (IIM) patients applied IMACS criteria to assess the risk of cancer and found significantly more cancers in those at high risk.

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Top Four and More (4.10.2026)

Dr. Jack Cush reviews the news and journal reports from RheumNow.com this week - including his top four favorite subjects.

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JAMA Guideline on the Management of Crohn Disease

JAMA has published a current Clinical Guidelines Synopsis on the Management of Crohn Disease (CD) in Adults.

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Machine learning predicts macrophage activation syndrome in adult Still's disease - 312 AOSD - XGBoost model had 5 predictors: ferritin, splenomegaly, Plt#, cholesterol, & ESR (AUC 0.839, sensit 0.824, specificity 0.710. https://t.co/QrogaCYPCT https://t.co/Z6WgCnFTfx
Dr. John Cush @RheumNow( View Tweet )
"When there are conflicting diagnostic possibilities, trust your excellent history and physical examination more than laboratory testing and imaging." - Arthur Weinstein, MD

Dr. John Cush @RheumNow( View Tweet )

What’s New PsA? (4.3.2026)

Dr. Jack Cush reviews the news and major articles from this week, including FDA safety warnings, reports from AAD, PsA trials.

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