نتایج جستجو برای: mtx
تعداد نتایج: 3366 فیلتر نتایج به سال:
We tried to determine which baseline variables are responsible for remission induction at 6 months in unselected rheumatoid arthritis (RA) patients of Japanese population treated with etanercept. One hundred forty-one patients with RA who were administered etanercept were registered. Thirty-four patients were started on etanercept monotherapy, 60 patients on cotherapy with methotrexate (MTX) (M...
BACKGROUND Aiming at rapid decrease of disease activity, there has been a trend to start with higher doses of methotrexate (MTX) in patients newly diagnosed with rheumatoid arthritis (RA), both as monotherapy and in combination with other antirheumatic drugs. We aimed to study the relationship between clinical response and MTX dose as monotherapy or combination therapy in patients with early RA...
OBJECTIVE To determine the efficacy and safety of ocrelizumab (OCR) with methotrexate (MTX) in MTX-naive rheumatoid arthritis (RA) patients. METHODS In a randomised, double-blind, controlled trial, patients received placebo+MTX (MTX; n=210), OCR 200 mg×2+MTX (OCR 200; n=200) or OCR 500 mg×2+MTX (OCR 500; n=203). OCR/placebo (two intravenous infusions) was given on days 1 and 15, with fixed re...
The uptake and tissue distribution of [3H]methotrexate ([3H]MTX) at doses of 5 mg/kg i.p. either free or linked to antiEL4 ¡mmunoglobulin G (AELG) or normal rabbit globulin (NRG) was studied in EL4 lymphoma-bearing C57BL/6J mice. When the uptakes of MTX-AELG, MTX-NRG, and free MTX were assayed as cell-associated 3H activity, comparison 3 hr after administration showed that uptake of MTX admini...
19 Folinic acid (FA) is generally administered to patients with CNS tumors in order to 20 treat severe neurological disorders caused by methotrexate (MTX); therefore, we herein 21 examined the effects of the co-administration of FA on MTX concentrations in the rat 22 brain and cerebrospinal fluid (CSF) as well as the pharmacokinetics of MTX. MTX was 23 intravenously or intrathecally administere...
Methotrexate Associated Renal Impairment Is Related to Delayed Elimination of High-Dose Methotrexate
Although Methotrexate (MTX) is an effective drug for the treatment of acute lymphoblastic leukemia (ALL), the toxicity remains a significant problem. In this prospective study, fifty-four patients with ALL were enrolled. 3 g or 5 g MTX/m(2) was administered over 24 hours. Serum MTX concentrations were determined in 24, 48, and 96 hours after MTX infusion. Serum creatinine concentrations and cre...
Side effects of MTX high dose (MTX-HD) may be life threatening, however those of various doses of oral MTX are variable because of the interindividual variability of gastrointestinal absorption of this drug. Bone marrow, gastrointestinal mucosa and hair are particularly vulnerable to the effects of MTX, secondary to their high rate of cellular turnover [2] and because MTX concentration is inver...
Treatment of bone metastases usually includes surgical resection with local filling of methotrexate (MTX) in polymethyl methacrylate (PMMA) cement. We investigated whether incorporating carboxymethyl chitosan (CMCS) in MTX-PMMA cement might overcome disadvantages associated with MTX. To determine the optimal CMCS+MTX concentration to suppress the viability of cancer cells, an integrated microfl...
PURPOSE ATP-binding cassette sub-family C member 2 [ABCC2; multidrug resistance-associated protein 2 (MRP2)] and ABCC3 (MRP3) mediate the elimination of toxic compounds, such as drugs and carcinogens, and have a large overlap in substrate specificity. We investigated the roles of Abcc2 and Abcc3 in the elimination of the anticancer drug methotrexate (MTX) and its toxic metabolite 7-hydroxymetho...
OBJECTIVE To assess the utility of erythrocyte methotrexate-polyglutamate (MTX-PG) concentrations in determining the safety and efficacy of MTX in patients with rheumatoid arthritis (RA). METHODS 79 MTX-naïve patients with RA were enrolled in this prospective 76-week cohort study. MTX was initiated, and a predefined dose-escalation protocol was followed. Erythrocyte MTX-PG concentrations were...
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