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You are here: Home / Articles / The Future of Rheumatoid Arthritis Treatment

The Future of Rheumatoid Arthritis Treatment

February 18, 2018 • By Thomas R. Collins

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Tashatuvango / shutterstock.com

Tashatuvango / shutterstock.com

SAN DIEGO—The next era of rheumatoid arthritis (RA) therapy could involve combining anti-tumor necrosis factor (anti-TNF) drugs with drugs that target molecules regulating the destructive potential of synovial fibroblasts, or even with anti-angiogenic drugs, said a pioneer of RA biologics therapy at the 2017 ACR/ARHP Annual Meeting Nov. 3–8.

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Ravinder N. Maini, MD, professor of rheumatology at the Kennedy Institute of the Imperial College of London in London, England, and integral to the development of TNF inhibitors, said the treatment of diseases from cancer to RA has been headlined by the clever use of combinations, and he suspects the next phase of RA treatment will prove no different. His remarks came in his Paul Klemperer Memorial Lecture.

“We should look at the combination of anti-TNF—which is well understood, well studied, we know it works—with nonimmune targets that I think offer the best prospects for the next phase of conquering rheumatoid arthritis,” he said. Some of those other targets include anti-MMP14 and anti-cadherin11, or even, eventually, “a good anti-angiogenic drug that doesn’t harm patients.”

In his talk, Dr. Maini traced the unlikely arc of the research that led to anti-TNF therapies becoming such a therapeutic boon to patients, as well as an economic boon.

“This story is unusual,” he said, “because it permitted my colleague, Marc Feldmann, and me to actually see this story from the ground when it was pure speculation, conceptual, based on observations in preclinical experiments, to being able to provide it in patient experiments through a unique collaboration we were able to build with a biotechnology company.”

He was a research fellow nearly 40 years ago as he worked to understand “cell-mediated immunity,” the idea that the inflammatory process of RA was mediated by lymphocytes that had to be in contact with the cells that responded in order for the events to unfold. That concept was eventually found to not be an effective way to think about RA treatment development.

He and Dr. Feldmann eventually grew interested in the cytokines that could be detected with new technology, and “every probe we used on rheumatoid tissues demonstrated the presence of all the cytokines we had access to.”

Dr. Maini, who receives royalties related to anti-TNF therapy, said that at the time, it seemed “impossible” that any one of these cytokines could be responsible for driving the entire complex process that happens in a RA joint. But in preclinical experiments in vitro and in an animal model, TNF was found to drive the inflammatory response, and its blockade became a premier candidate for therapy. The two researchers started contacting “every biotech company and every pharmaceutical company” that had access to TNF inhibitors.

‘To make any sense of this kind of data, we’re going to need big data & artificial intelligence.’ —Dr. Maini

TNF was developed to treat cancer, but proved unsuccessful. Anti-TNF drugs were originally developed as a potential treatment for sepsis, and there were high hopes it could treat septic shock, but neither application panned out.

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Filed Under: Meeting Reports, Rheumatoid Arthritis Tagged With: ACR/ARHP Annual Meeting, big data, combination therapy, Rheumatoid arthritis, TechnologyIssue: February 2018

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