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Página 1 desde 19 resultados
Use of uridine triacetate for the management of fluorouracil overdose.
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OBJECTIVE
The use of uridine triacetate for the management of fluorouracil toxicity is reported.
CONCLUSIONS
A 55-year-old man with malignant neoplasm of the sigmoid colon (stage IIIC) was seen in an outpatient chemotherapy center for his first six-month regimen of leucovorin calcium, fluorouracil,
Uridine diphosphate glucuronosyl transferase 1A1 promoter polymorphism predicts the risk of gastrointestinal toxicity and fatigue induced by irinotecan-based chemotherapy.
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BACKGROUND
In the current Phase II study, the authors evaluated the association between genomic polymorphic variants in uridine diphosphate glucuronosyl transferase (UGT1A1), methylenetetrahydrofolate reductase (MTHFR), and thymidylate synthase (TS) genes, and the incidence of the adverse effects of
FDA Approval: Uridine Triacetate for the Treatment of Patients Following Fluorouracil or Capecitabine Overdose or Exhibiting Early-Onset Severe Toxicities Following Administration of These Drugs.
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On December 11, 2015, the FDA approved uridine triacetate (VISTOGARD; Wellstat Therapeutics Corporation) for the emergency treatment of adult and pediatric patients following a fluorouracil or capecitabine overdose regardless of the presence of symptoms, and of those who exhibit early-onset, severe,
Emergency use of uridine triacetate for the prevention and treatment of life-threatening 5-fluorouracil and capecitabine toxicity.
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Increased susceptibility to 5-fluorouracil (5-FU)/capecitabine can lead to rapidly occurring toxicity caused by impaired clearance, dihydropyrimidine dehydrogenase deficiency, and other genetic variations in the enzymes that metabolize 5-FU. Life-threatening 5-FU overdoses occur because of infusion
[Phase I study of a new floxuridine derivative, 2'-deoxy-3', 5'-di-O-acetyl-5-fluoro-3-(3-methylbenzoyl)uridine (FF-705)].
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A phase I study of a new floxuridine derivative, FF-705, was performed in patients with various types of solid tumors. Efficacy of single oral administration with dose range of 300 to 700 mg/body was studied in 12 patients. At a dose of 500 mg/body transient increases of s GOT and s GPT were noted
Lipodystrophia centrifugalis abdominalis infantilis-- immunohistochemical demonstration of an apoptotic process in the degenerating fatty tissue.
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We report a case of lipodystrophia centrifugalis abdominalis infantilis (LCAI) showing apoptosis during the lipoatrophic process by immunohistochemical staining. A 3-year-old boy was seen with a 3-month history of a centrifugally spreading depressed eruption without pain and pruritus on his abdomen.
Pharmacogenetic tailoring of irinotecan-based first-line chemotherapy in metastatic colorectal cancer: results of a pilot study.
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BACKGROUND
Tolerability to irinotecan may be explained by pharmacogenomic polymorphisms. The purpose of this pharmacogenetic trial was to study the relevance of thymidylate synthase (TS) genotyping and of the isoform 1A1 of uridine diphosphate glucuronosyltransferase (UGT1A1) in order to tailor a
Phase I trial and pharmacokinetics of a daily x 5 schedule of 3-deazauridine.
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The uridine analog 3-deazauridine has been given to 19 patients in a phase I and pharmacokinetic study. Only mild toxicity was seen at doses less than 1200 mg/m2/day for 5 days. At a dose of 1200 mg/m2/day x 5, leukopenia (mean wbc count nadir of 2650/mm3) was seen in nine of 12 patients and
Phase I--II study of 3-deazauridine in adults with acute leukemia.
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3-Deazauridine, a uridine analog, was administered to 36 patients with acute leukemia by both intermittent and continuous iv infusion at doses ranging from 400 to 6000 mg/m2/day x 5, repeated at 1--3-week intervals. There were no complete or partial responses but three patients showed hematologic
[Determination of nucleosides in Rhizoma Pinelliae by high performance liquid chromatography].
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A high performance liquid chromatographic (HPLC) method was established to determine nucleosides in Rhizoma Pinelliae, which is a dried stem tuber of Pinellia pedatisecta Schott in Pinellia plant belonging to Araceae family and has multiple efficiencies about down-bear counterflow and check
Oral doxifluridine in advanced hepatocellular carcinoma: A phase II study.
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Hepatocellular carcinoma (HCC) remains one of the most common neoplasms in the world. Doxifluridine is an oral fluoropyrimidine derivative activated to 5-fluorouracil by uridine phosphorylase which is more expressed in malignant cells. Therefore, we conducted a phase II study to evaluate the
Atazanavir for the treatment of human immunodeficiency virus infection.
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Atazanavir is the first once-daily protease inhibitor for the treatment of human immunodeficiency virus type 1 infection and should be used only in combination therapy, as part of a highly active antiretroviral therapy (HAART) regimen. In addition to being the most potent protease inhibitor in
Phase II trial of PALA and 6-methylmercaptopurine riboside (MMPR) in combination with 5-fluorouracil in advanced pancreatic cancer.
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The biochemical modulators PALA, an inhibitor of aspartate transcarbamylase which depletes uridine nucleotide pools, and 6-methylmercaptopurine riboside (MMPR) which inhibits purine metabolism, selectively potentiate the antitumor activity of 5-fluorouracil (5-FU) in preclinical models. Based on a
Bioequivalence and pharmacokinetic comparison of two mycophenolate mofetil formulations in healthy Chinese male volunteers: an open-label, randomized-sequence, single-dose, two-way crossover study.
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BACKGROUND
Mycophenolate mofetil (MMF) is an ester prodrug of mycophenolic acid (MPA), so clinical studies measure the circulating plasma MPA concentration instead of MMF. MPA is extensively glucuronidated by several uridine diphosphate glycosyltransferases into an inactive 7-O-glucuronide and a
In vivo inhibition of the pyrimidine de novo enzyme dihydroorotic acid dehydrogenase by brequinar sodium (DUP-785; NSC 368390) in mice and patients.
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Little is known about the in vivo effects of inhibition of the mitochondrial pyrimidine de novo synthesis enzyme dihydroorotic acid dehydrogenase (DHO-DH). In mice a new inhibitor of DHO-DH, Brequinar sodium (DUP-785, NSC 368390) depleted the plasma uridine concentration to 40% within 2 h, followed
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