amethopterin

Definition / meaning of amethopterin

A drug used to treat some types of cancer, rheumatoid arthritis, and severe skin conditions, such as psoriasis. Amethopterin stops cells from making DNA and may kill cancer cells. It is a type of antimetabolite. Also called methotrexate, MTX, and Rheumatrex.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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