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.
Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
Temple University Hospital, Philadelphia, Pennsylvania, United States
Kaiser Permanente Los Angeles Medical Center, Los Angeles, California, United States
Columbus Oncology and Hematology Associates Inc, Columbus, Ohio, United States
Roswell Park Cancer Institute, Buffalo, New York, United States
Grand Hôpital de Charleroi, Charleroi, Hainaut, Belgium
Centre Hospitalier de Luxembourg, Luxembourg, Luxembourg
Hôpital de Jolimont, Haine-Saint-Paul, Hainaut, Belgium
Vanderbilt University/Ingram Cancer Center, Nashville, Tennessee, United States
Roswell Park Cancer Institute, Buffalo, New York, United States
University of Texas MD Anderson Cancer Center, Houston, Texas, United States
Ohio State University, Columbus, Ohio, United States
University of Texas MD Anderson Cancer Center, Houston, Texas, United States
Seattle Children's Hospital, Seattle, Washington, United States
Children's Hospital at Westmead, Westmead, New South Wales, Australia
Sydney Children's Hospital, Sydney, Australia
Instytut Hematologii i Transfuzjologii, Warszawa, Mazowieckie, Poland
Dolnośląskie Centrum Transplantacji Komórkowych, Wrocław, Dolnośląskie, Poland
Uniwersyteckie Cenrum Medyczne, Gdańsk, Pomorskie, Poland
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