نتایج جستجو برای: cyclophosphamide drug
تعداد نتایج: 611229 فیلتر نتایج به سال:
This study evaluates the effect on spermatogenesis of coadministration of Cytoxan (cyclophosphamide) and nafarelin, a luteinizing hormone-releasing hormone agonist. Nafarelin causes complete aspermatogenesis in dogs by interrupting the hypothalamic-pituitary-gonadal axis, which might protect against the testicular cytotoxicity associated with cyclophosphamide. The four treatment groups, each co...
Stabilities and quantum molecular descriptors of cyclophoshphamide (an anticancer drug)-functionalized (8,0) zigzag and (4,4) armchair carbon nanotubes (CNTs) complexes in water were studied using density functional theory (DFT) calculations. Two attachments namely the sidewall- and tip-attachments are considered for the model constructions. Calculations of the total electronic energy (Et) and ...
D.M. Grekas, Ass. Prof. in Nephrology, University Hospital AHEPA, Thessaloniki 546 37 (Greece) Dear Sir, The efficacy of steroids and immunosuppressive agents in the treatment of idiopathic or systemic glomeru-lar disease remains controversial. The use of corticoste-roids in the treatment of lupus nephritis is now standard, even though there is no controlled evidence that survival or morbidity ...
Cyclophosphamide must be metabolically activated to have maximal mutagenic or teratogenic activity. The first step in this activation is hydroxylation to 4-hydroxycyclophosphamide; this metabolite breaks down to form two cytotoxic metabolites, phosphoramide mustard and acrolein. In this report, the mutagenicity and teratogenicity of Cyclophosphamide, 4-hydroperoxycyclophosphamide (which forms 4...
In this study cyclophosphamide was quantified after adapting a prior analytical method using gas chromatography-mass spectrometry after solid phase purification and derivatization with trifluoroacetic anhydride. The analyte was measured by analysis in wipe test from infusion bags, which may be contaminated by contact with the gloves used during preparation of the drugs. Surface of bag contamina...
One of the preconditions of effective anticancer therapy is efficient transfer of the therapeutic agent (chemotherapeutic) to tumor cells. Fundamental barriers making drug delivery and action difficult include underoxygenation, elevated interstitial pressure, poor and abnormal tumor blood vascular network and acidic tumor milieu. In this study we aimed at developing an optimized scheme of admin...
Copaiba oil extracted from the trunk of Copaifera langsdorffii Desf. and flaxseed seeds Linum usitatissimum L., are widely used for prevention treatment many diseases, including cancer. The aim this study was to assess antimutagenic effect these oils against damage-inducing agent cyclophosphamide, in Rattus norvegicus treated vivo, by gavage, using cytotoxicity chromosomal alteration test. anim...
Drug abuse has been controversially linked to polyarteritis nodosa. A 28-year-old man with a history of drug abuse with inhaled heroin presented with an enigmatic illness consisting of refractory fever, bilateral pleural effusions, migratory polyarthritis, and a leukaemoid reaction. An abdominal angiography confirmed the diagnosis of polyarteritis nodosa, and treatment with both prednisone and ...
The pharmacokinetics of cyclophosphamide and 4-hydroxycyclophosphamide/aldophosphamide has been evaluated in 12 patients with metastatic breast cancer undergoing high-dose chemotherapy followed by bone marrow transplantation. Each patient received an initial dose of 4 g/m2 of cyclophosphamide over 90 min to prime peripheral blood progenitor cells (the first course), and 3 weeks later, 6 g/m2 of...
The comparative metabolism of the enantiomers of cyclo phosphamide and of the racemate has been studied in humans. Four patients were each given, sequentially, the racemate, the (+)-enantiomer, and its (-)-antipode. The plasma levels of parent drug and the urinary output (24 hr) of unchanged drug and of two enzymatically produced metabolites, 4-ketocyclophosphamide and carboxyphosphamide, were ...
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