Results 111 to 120 of about 49,282 (280)

Succinic acid inhibits the activity of cytochrome P450 (CYP450) enzymes

open access: yesPharmaceutical Biology, 2020
Context Succinic acid, extracted from amber, is widely used in cardiovascular therapy. Objective The effect of succinic acid on the activity of cytochrome P450 (CYP450) enzymes was investigated in this study.
Hao Wang   +5 more
doaj   +1 more source

Development of a physiologically‐based pharmacokinetic model for Ritonavir characterizing exposure and drug interaction potential at both acute and steady‐state conditions

open access: yesCPT: Pharmacometrics &Systems Pharmacology, Volume 14, Issue 3, Page 523-539, March 2025.
Abstract Ritonavir (RTV) is a potent CYP3A inhibitor that is widely used as a pharmacokinetic (PK) enhancer to increase exposure to select protease inhibitors. However, as a strong and complex perpetrator of CYP3A interactions, RTV can also enhance the exposure of other co‐administered CYP3A substrates, potentially causing toxicity.
Lien Thi Ngo   +5 more
wiley   +1 more source

Evaluation of the Effect of CYP2D6 Genotypes on Tramadol and O-Desmethyltramadol Pharmacokinetic Profiles in a Korean Population Using Physiologically-Based Pharmacokinetic Modeling

open access: yesPharmaceutics, 2019
Tramadol is a μ-opioid receptor agonist and a monoamine reuptake inhibitor. O-desmethyltramadol (M1), the major active metabolite of tramadol, is produced by CYP2D6.
Hyeon-Cheol Jeong   +6 more
doaj   +1 more source

Multi-site investigation of strategies for the clinical implementation of CYP2D6 genotyping to guide drug prescribing [PDF]

open access: yes, 2019
PURPOSE: A number of institutions have clinically implemented CYP2D6 genotyping to guide drug prescribing. We compared implementation strategies of early adopters of CYP2D6 testing, barriers faced by both early adopters and institutions in the process
Beitelshees, Amber L.   +26 more
core   +1 more source

Rare but relevant: MDMA and hyponatraemia

open access: yesAddiction, EarlyView.
Abstract Conventionally used for its stimulant, empathogenic and entactogenic effects, 3,4‐methylenedioxymethamphetamine (MDMA, ecstasy) is one of the most commonly used psychoactive drugs, specifically among young adults and in nightlife and recreational party contexts.
Maria Rita Garcia   +2 more
wiley   +1 more source

DEVELOPMENT AND VALIDATION OF BIOANALYTICAL METHOD FOR QUANTIFICATION OF PINOLINE AND ITS METABOLITE 6-OH-1,2,3,4-TETRAHYDROCARBOLINE FOR THE PURPOSE OF CYPD26 ACTIVITY DETERMINATION

open access: yesРазработка и регистрация лекарственных средств, 2019
A sensitive method for quantification of pinoline and its metabolite in human plasma using solid phase extraction and high performance liquid chromatography with mass-spectrometry was developed.
R. K. Abdrashitov   +2 more
doaj  

Rare but relevant: Ibogaine and cardiovascular complications—prolonged QT interval and ventricular arrhythmias

open access: yesAddiction, EarlyView.
Abstract Revived interest in psychedelic‐assisted therapies has also renewed focus on ibogaine, a psychoactive alkaloid, for its notable anti‐addictive potential. Evidence from observational, open‐label, and limited randomized placebo‐controlled trials indicates that ibogaine and its metabolite noribogaine reduce craving and withdrawal symptoms in ...
Tibor Markus Brunt
wiley   +1 more source

CYP2D6 Genotype and Tamoxifen Response in Postmenopausal Women with Endocrine-Responsive Breast Cancer: The Breast International Group 1-98 Trial [PDF]

open access: yes, 2017
Background Adjuvant tamoxifen therapy is effective for postmenopausal women with endocrine-responsive breast cancer. Cytochrome P450 2D6 (CYP2D6) enzyme metabolizes tamoxifen to clinically active metabolites, and CYP2D6 polymorphisms may adversely affect
Biasi, Maria Olivia   +19 more
core  

Zurich Consensus: German Expert Opinion on the St. Gallen Votes on 15 March 2009 (11th International Conference at St. Gallen: Primary Therapy of Early Breast Cancer) [PDF]

open access: yes, 2009
A German working group of 23 breast cancer experts discussed the results from the vote at this year's St. Gallen Consensus Conference on Primary Therapy for Early Breast Cancer ( March 11-14, 2009) and came up with some concrete recommendations for day ...
Beckmann, Matthias W.   +22 more
core   +2 more sources

Antiplasmodial Activity and Pharmacokinetic Profiling of Cryptolepine and 2,7‐Dibromocryptolepine With a View to Informing the Design of Novel Antimalarial Cryptolepine Analogues

open access: yesDrug Development Research, Volume 87, Issue 2, April 2026.
ABSTRACT The roots of the climbing shrub Cryptolepis sanguinolenta are traditionally used in West Africa for the treatment of malaria. The principal constituent, cryptolepine (1), has been shown to have antimalarial activity but there are concerns regarding its toxicity on account of its DNA‐intercalating property.
Elodie Chenu   +7 more
wiley   +1 more source

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