Browsing Tag: rheumatoid arthritis treatment

New Test May Predict Early Arthritis


A new test to detect early arthritis… next

Study Shows Potential for Early Diagnosis of Arthritis

Pat Anson writing for Pain News Network reported a new study by British researchers has demonstrated the potential for an experimental blood test that can diagnose arthritis in its earliest stages. Such a test could lead to earlier treatment of osteoarthritis (OA) and rheumatoid arthritis (RA), years before joint damage and physical symptoms begin.

Researchers at Warwick Medical School recruited 225 people with early or advanced OA, RA or another inflammatory joint disease, along with a control group of healthy volunteers with no joint problems.  Their blood and fluid from affected knee joints were then analyzed with mass spectrometry.

The test found patterns in blood plasma amino acids that were damaged by oxygen, nitrogen and sugar molecules. The damage was highest in the blood samples of patients with OA or RA, and markedly lower in the blood of healthy volunteers — giving researchers identifiable biomarkers that could be used for an early diagnosis.

“This is a big step forward for early-stage detection of arthritis that will help start treatment early and prevent painful and debilitating disease,” said Naila Rabbani, PhD, of Warwick Medical School. “Damage to proteins in the arthritic joint have been known for many years but this is the first time it has been exploited for early-stage diagnosis.

“For the first time we measured small fragments from damaged proteins that leak from the joint into blood. The combination of changes in oxidised, nitrated and sugar-modified amino acids in blood enabled early stage detection and classification of arthritis – osteoarthritis, rheumatoid arthritis or other self-resolving inflammatory joint disease.”

Comment: Interesting stuff.

Nanoparticles Rheumatoid Arthritis


A novel method for detection and treatment in rheumatoid arthritis… next

Rheumatoid Arthritis Effectively Diagnosed And Treated With Biodegradable Nanoparticles In Early Study

Dr. Patricia Inacio writing in Rheumatoid Arthritis News reported biodegradable polymer nanoparticles (BNPs), tiny particles made of a biodegradable polymer, appear to be quite useful for the early detection and for long-term, effective treatment of rheumatoid arthritis (RA) with minimal side effects, according to a study presented at the recent. These particles, once coated with a molecule that specifically targets inflamed joint tissues, ensure a high degree of efficacy in delivering both diagnostic probes and drugs to arthritic joints.

Dr. Paolo Macor, the study’s lead investigator from the Department of Life Sciences, University of Trieste, Italy said “There is a need to develop a new tool to enable early diagnosis, and also to develop tissue-specific agents able to reduce systemic side effects. This would increase the potency of drugs with lower doses, and also potentially reduce the cost of treatment,” Dr. Macor said.

Comment: Exciting and I look forward to hearing more.

Rheumatoid Arthritis Gut


Got guts…next?

Searching for Rheumatoid Arthritis in the Gut

A pair of recent studies look in an interesting place to find commonality among rheumatoid arthritis sufferers:

Their guts.

Ryan Black writing for MD reported on a study published in Genome Medicine from the Mayo clinic. Veena Taneja, Ph D of the Mayo Clinic’s Center for Immunized Medicine said they sought to find a biomarker in the form of gut microbiota. Examining fecal samples of (human) RA patients and their first-degree relatives, the researchers noticed that an abundance of collinsella in the gut was linked to increased RA symptoms.

To test this, they administered collinsella to “humanized” mice, and found that “Mice given [Collinsella aerofaciens] developed arthritis with increased incidence and severity compared with non-treated mice (100 % incidence in treated vs 62.5 % in untreated, P = 0.068).” Their findings indicate that collinsella may be a predictive biomarker for RA in humans.

Comment: Maybe I’ll stay away from pepperoni pizza…

Anxiety Reduces Response to Methotrexate


One very important determinant of response to methotrexate…

Anxiety Prior To Methotrexate Therapy May Result In Non-Response At 6 Months

Reported in Healio… patients with rheumatoid arthritis who experience anxiety prior to the start of methotrexate therapy may have non-response at 6 months due to poor adherence, according to results presented at the EULAR Annual Congress.

“From a long list of lifestyle, clinical and psychosocial predictors at baseline, BMI, smoking and DAS28 score were each shown to significantly predict non-response 6 months after patients had started treatment with methotrexate,” Suzan Verstappen, of the Centre for Musculoskeletal Research at the University of Manchester, United Kingdom, said in a press release. “Of particular interest, however, is the role of participant anxiety on starting treatment with methotrexate in predicting response, which is likely to be the result of its negative effect on adherence.”

Comment: the mind is a powerful influence

Rheumatoid Arthritis and Gout Diverging


One arthritis disease is leading to more hospitalizations and the other is causing fewer… next

Costs For Gout And Rheumatoid Arthritis

Reported in ET Health World …While hospitalizations related to rheumatoid arthritis have dropped considerably over the past two decades, hospitalizations primarily associated with gout have increased dramatically. These results of a study described in a research letter in JAMA reflect improved management of rheumatoid arthritis patients and both an increased prevalence and persistent suboptimal care of gout.

Comment: I’m not surprised. While getting RA patients into remission is easier, identifying and treating gout patients is getting harder. Much of that could be attributed to the obesity epidemic.

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