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Articles By Joel Kremer

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Methotrexate and Folate Use by Rheumatologists - Survey Results

The February 2017 RheumNow “Live Vote” surveyed US and non-US rheumatologists about their beliefs and practices regarding folic acid and methotrexate (MTX) use. A total of 495 responses were tabulated in 2 weeks. Here are the results, and comments from Dr. Kremer on his preferred answers to these questions.

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Methotrexate: Where it All Began

It’s somewhat bizarre that a designer drug from over 65 years ago would become the cornerstone of treatment for rheumatoid arthritis in the 21st century. When Sidney Farber designed a molecule that would interfere with folate metabolism in the middle of the 20th century, he was looking for a ubiquitous antimetabolite to treat cancer. Farber was actually quite concerned with the potential side effects of a drug that competitively inhibits folate metabolism. That is part of the reason he combined the “met” for metabolism with an “x”. The x was found on poison bottles and he thought it wise to include it in the name of this agent.  

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