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.
CCOP - Dayton, Kettering, Ohio, United States
Boston Medical Center, Boston, Massachusetts, United States
Cleveland Clinic Cancer Center, Cleveland, Ohio, United States
Queen Elizabeth Hospital, Adelaide, South Australia, Australia
Royal Prince Alfred Hospital, Sydney, Sydney, New South Wales, Australia
Royal Adelaide Hospital, Adelaide, South Australia, Australia
University of Texas - MD Anderson Cancer Center, Houston, Texas, United States
Credit Valley Hospital, Mississauga, Canada
Cancer Centre of Southeastern Ontario at Kingston, Kingston, Canada
Stronach Regional Health Centre at Southlake, Newmarket, Canada
San Antonio Military Pediatric Cancer and Blood Disorders Center, Lackland Air Force Base, Texas, United States
Cancer Center, University of Virginia HSC, Charlottesville, Virginia, United States
Clinique de Pediatrie, Geneva, Switzerland
University of Cape Town School of Medicine, Cape Town, South Africa
Memorial Sloan-Kettering Cancer Center, New York, New York, United States
West Virginia University Hospitals, Morgantown, West Virginia, United States
Emory University Hospital - Atlanta, Atlanta, Georgia, United States
Marlene & Stewart Greenebaum Cancer Center, University of Maryland, Baltimore, Maryland, United States
Johns Hopkins Oncology Center, Baltimore, Maryland, United States
University of Massachusetts Memorial Medical Center, Worcester, Massachusetts, United States
Fred Hutchinson Cancer Research Center, Seattle, Washington, United States
USC/Norris Comprehensive Cancer Center, Los Angeles, California, United States
Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, California, United States
Veterans Affairs Outpatient Clinic - Martinez, Martinez, California, United States
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