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Indications And Usage Neoplastic Diseases Methotrexate Is Indicated In The Treatment Of Gestational Choriocarcinoma, Chorioadenoma Destruens And Hydatidiform Mole. In Acute Lymphocytic Leukemia, Methotrexate Is Indicated In The Prophylaxis Of Meningeal Leukemia And Is Used In Maintenance Therapy In Combination With Other Chemotherapeutic Agents. Methotrexate Is Also Indicated In The Treatment Of Meningeal Leukemia. Methotrexate Is Used Alone Or In Combination With Other Anticancer Agents In The Treatment Of Breast Cancer, Epidermoid Cancers Of The Head And Neck, Advanced Mycosis Fungoides (cutaneous T Cell Lymphoma), And Lung Cancer, Particularly Squamous Cell And Small Cell Types. Methotrexate Is Also Used In Combination With Other Chemotherapeutic Agents In The Treatment Of Advanced Stage Non-Hodgkin's Lymphomas. Methotrexate In High Doses Followed By Leucovorin Rescue In Combination With Other Chemotherapeutic Agents Is Effective In Prolonging Relapse-Free Survival In Patients With Non-Metastatic Osteosarcoma Who Have Undergone Surgical Resection Or Amputation For The Primary Tumor. Psoriasis Methotrexate Is Indicated In The Symptomatic Control Of Severe, Recalcitrant, Disabling Psoriasis That Is Not Adequately Responsive To Other Forms Of Therapy, But Only When The Diagnosis Has Been Established, As By Biopsy And/or After Dermatologic Consultation. It Is Important To Ensure That A Psoriasis "flare" Is Not Due To An Undiagnosed Concomitant Disease Affecting Immune Responses. Rheumatoid Arthritis Including Polyarticular-Course Juvenile Rheumatoid Arthritis Methotrexate Is Indicated In The Management Of Selected Adults With Severe, Active Rheumatoid Arthritis (acr Criteria), Or Children With Active Polyarticular-Course Juvenile Rheumatoid Arthritis, Who Have Had An Insufficient Therapeutic Response To, Or Are Intolerant Of, An Adequate Trial Of First-Line Therapy Including Full Dose Non-Steroidal Anti-Inflammatory Agents (nsaids). Aspirin, (nsaids), And/or Low Dose Steroids May Be Continued, Although The Possibility Of Increased Toxicity With Concomitant Use Of Nsaids Including Salicylates Has Not Been Fully Explored. (see Precautions , Drug Interactions .) Steroids May Be Reduced Gradually In Patients Who Respond To Methotrexate. Combined Use Of Methotrexate With Gold, Penicillamine, Hydroxychloroquine, Sulfasalazine, Or Cytotoxic Agents, Has Not Been Studied And May Increase The Incidence Of Adverse Effects. Rest And Physiotherapy As Indicated Should Be Continued.
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