Methotrexate is a folate derivative that inhibits several enzymes responsible for nucleotide synthesis. This inhibition leads to suppression of inflammation as well as prevention of cell division. Because of these effects, methotrexate is often used to treat inflammation caused by arthritis or to control cell division in neoplastic diseases such as breast cancer and non-Hodgkin's lymphoma.
Due to the toxic effects of methotrexate, it is indicated for treatment of some forms of arthritis and severe psoriasis only if first line treatment has failed or patients are intolerant of those treatments.
Methotrexate was granted FDA approval on 7 December 1953.
Methotrexate oral solution is indicated for pediatric acute lymphoblastic leukemia and pediatric polyarticular juvenile idiopathic arthritis. Methotrexate injections for subcutaneous use are indicated for severe active rheumatoid arthritis, polyarticular juvenile idiopathic arthritis and severe, recalcitrant, disabling psoriasis.
Other formulations are indicated to treat gestational choriocarcinoma, chorioadenoma destruens, hydatiform mole, breast cancer, epidermoid cancer of the head and neck, advanced mycosis fungoides, lung cancer, and advanced non-Hodgkin's lymphoma. It is also used in the maintenance of acute lymphocytic leukemia. Methotrexate is also given before treatment with leucovorin to prolong relapse-free survival following surgical removal of a tumour in non-metastatic osteosarcoma.
Huntsman Cancer Institute/University of Utah, Salt Lake City, Utah, United States
Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium, Seattle, Washington, United States
Froedtert and the Medical College of Wisconsin, Milwaukee, Wisconsin, United States
Tulane University School of Medicine, New Orleans, Louisiana, United States
Corewell Health Grand Rapids Hospitals - Helen DeVos Children's Hospital, Grand Rapids, Michigan, United States
NYU Langone Hospital - Long Island, Mineola, New York, United States
West Michigan Cancer Center, Kalamazoo, Michigan, United States
Minnesota Oncology Hematology, PA - Woodbury, Woodbury, Minnesota, United States
Bronson Methodist Hospital, Kalamazoo, Michigan, United States
Birmingham Children's Hospital, Birmingham, England, United Kingdom
Watford General Hospital, Herts, England, United Kingdom
Leeds Cancer Centre at St. James's University Hospital, Leeds, England, United Kingdom
Azienda Ospedaliera G. Rummo, Benevento, BN, Italy
Policlinico Monteluce, Sant'Andrea delle Frate, PG, Italy
Universitร Federico II, Cattedra di Oncologia Medica, Napoli, Italy
Weill Cornell University, New York, New York, United States
HealthOne Presbyterian St. Lukes Medical Center, Denver, Colorado, United States
Emory University, Altanta, Georgia, United States
Fred Hutchinson Cancer Research Center, Seattle, Washington, United States
Universidade Federal do Parana, Curitiba, Parana, Brazil
Seattle Cancer Care Alliance, Seattle, Washington, United States
Seattle Cancer Care Alliance, Seattle, Washington, United States
Fred Hutchinson Cancer Research Center, Seattle, Washington, United States
University Hospital Brno, Brno, Czech Republic
U.Z. Gasthuisberg, Leuven, Belgium
Krankenhaus Muenchen Schwabing, Munich, Germany
Fred Hutchinson Cancer Research Center, Seattle, Washington, United States
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