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Article
Open AccessIntox - A Prospective Measurement of Blood Concentrations of Routine Drugs in Patients Treated in the Intensive Care Unit
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ABCB1 gene polymorphisms are associated with fatal intoxications involving venlafaxine but not citalopram
P-glycoprotein (P-gp), encoded by the ABCB1/MDR1 gene, is a drug transporter at the blood–brain barrier. Several polymorphisms in the ABCB1 gene are known to affect the activity and/or expression of P-gp, thereby...
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Article
Dose–hair concentration relationship and pigmentation effects in patients on low-dose clozapine
Several hair components have been suggested as possible molecular sites for drug binding and interaction. Of these, keratin and melanin have been investigated in some detail in order to assess the mechanisms b...
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Article
Fatal intoxication cases: cytochrome P 450 2D6 and 2C19 genotype distributions
Many commonly used pharmaceuticals, such as antidepressants and neuroleptics as well as some illegal drugs, are metabolised by the cytochrome P 450 enzyme debrisoquine 4-hydroxylase (CYP2D6). Of Caucasians, 7–10...
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Article
Effect of grapefruit juice on the pharmacokinetics of amlodipine in healthy volunteers
Objective: This study was performed to assess whether coadminstration with grapefruit juice significantly affects the pharmacokinetics of amlodipine, a dihydropyridine class calcium anta...
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Article
Decreased plasma levels of cyclic GMP in patients with chest pain and angiographically normal coronary arteries
Plasma levels of cyclic nucleotides were determined by radioimmunoassy in patients with (1) angina-like chest pain and normal coronary arteries (suspected spasm angina), (2) exercise-induced angina, and (3) he...
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Article
Nitrate Tolerance from a Biochemical Point of View
Tolerance to nitrate vasodilators appears to be a general phenomenon that encompasses all known drugs belonging to this group, with the possible exception of molsidomine, for which tolerance has not yet been u...