نتایج جستجو برای: cytarabine
تعداد نتایج: 4434 فیلتر نتایج به سال:
Inhibition of Wee1 is emerging as a novel therapeutic strategy for cancer, and some data suggest that cells with dysfunctional p53 aremore sensitive toWee1 inhibition combinedwith conventional chemotherapy than those with functional p53. We and others found that Wee1 inhibition sensitizes leukemia cells to cytarabine. Thus,we sought todeterminewhether chemosensitization byWee1 inhibition isdepe...
We previously reported the feasibility of clofarabine and cytarabine combinations in AML. Questions remain as to (1) the therapeutic advantage of this combination and (2) the role of lower doses of clofarabine and cytarabine in older patients. We have conducted an adaptively randomized study of lower-dose clofarabine with or without low-dose cytarabine in previously untreated patients with AML ...
Cerebellar toxicity is a known potential adverse effect of high-dose cytarabine chemotherapy. Oncology nurses are expected to assess patients receiving high-dose cytarabine for cerebellar toxicity prior to administering each dose. Information regarding cerebellar assessment techniques and documentation of findings is limited in the nursing literature. This article provides nurses with a standar...
The purpose of this study was to find a more efficacious treatment for patients with primary central nervous system Lymphoma using chemotherapy. The objective was to determine the optimal time for radiotherapy treatment in relation to chemotherapy. Retrospective evaluation in patients with brain lymphoma was conducted from 1992 to 1998. Twenty-three patients were evaluated. Patients were divide...
PURPOSE Incorporation of cytarabine into DNA activates checkpoint kinase 1 (Chk1), which stabilizes stalled replication forks, induces S-phase slowing, and diminishes cytarabine cytotoxicity. The selective Chk1 inhibitor SCH 900776 abrogates cytarabine-induced S-phase arrest and enhances cytarabine cytotoxicity in acute leukemia cell lines and leukemic blasts in vitro. To extend these findings ...
In adults with non-promyelocytic acute myeloid leukemia (AML), high-dose cytarabine consolidation therapy has been shown to influence survival in selected patients, although the appropriate doses and schemes have not been defined. We evaluated survival after calculating the actual dose of cytarabine that patients received for consolidation therapy and divided them into 3 groups according to dos...
The present study was undertaken to the effect of apigenin and luteolin on physiological histological changes in rats treated with cytarabine drugs. Thirty-five albino healthy male adult equal age weighing 250 -300g were enrolled. Rats randomly divided into seven groups according treatment. Group “1” normal saline served as control group. Groups “2,3 4” received cytarabine, apigenin, respective...
Since it is unclear whether methotrexate and cytarabine are synergistic or antagonistic in the treatment of acute lymphoblastic leukemia, the Pediatric Oncology Group studied the prognostic significance of a potential interaction between these agents. RBC methotrexate concentrations were compared from 140 patients at lower risk of relapse randomized to two treatment groups: one receiving six me...
Neoplastic meningitis is a feared complication in cancer patients, the median survival ranging from some weeks to a few months. Management is palliative and aims to provide symptoms relief while delaying neurological deterioration. Intrathecal methotrexate and/or cytarabine is the most widely used treatment in such clinical situations. These drugs are administered 2 or 3 times a week--a circums...
The activity of cytarabine was decreased by its rapid deamination to the biologically inactive metabolite uracil arabinoside. This rapid deamination is the reason for the ongoing research for effective formulation of cytarabine that can not be deaminated and exhibit better pharmacokinetic parameters. Protection of cytarabine from fast degradation and elimination was investigated by encapsulatin...
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