Titre : Inducteurs du cytochrome P-450 CYP2C9

Inducteurs du cytochrome P-450 CYP2C9 : Questions médicales fréquentes

Termes MeSH sélectionnés :

Sensitivity and Specificity
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Inducteurs du cytochrome P-450 CYP2C9 : Questions médicales les plus fréquentes", "headline": "Inducteurs du cytochrome P-450 CYP2C9 : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Inducteurs du cytochrome P-450 CYP2C9 : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-01-07", "dateModified": "2025-04-01", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Inducteurs du cytochrome P-450 CYP2C9" }, "suggestedMinAge": 18, "suggestedGender": "unisex" }, { "@type": "MedicalAudience", "name": "Médecins", "audienceType": "Physician", "geographicArea": { "@type": "AdministrativeArea", "name": "France" } }, { "@type": "MedicalAudience", "name": "Chercheurs", "audienceType": "Researcher", "geographicArea": { "@type": "AdministrativeArea", "name": "International" } } ], "reviewedBy": { "@type": "Person", "name": "Dr Olivier Menir", "jobTitle": "Expert en Médecine", "description": "Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale", "url": "/static/pages/docteur-olivier-menir.html", "alumniOf": { "@type": "EducationalOrganization", "name": "Université Paris Descartes" } }, "isPartOf": { "@type": "MedicalWebPage", "name": "Inducteurs des enzymes du cytochrome P-450", "url": "https://questionsmedicales.fr/mesh/D065693", "about": { "@type": "MedicalCondition", "name": "Inducteurs des enzymes du cytochrome P-450", "code": { "@type": "MedicalCode", "code": "D065693", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "D27.505.519.349" } } }, "about": { "@type": "MedicalCondition", "name": "Inducteurs du cytochrome P-450 CYP2C9", "alternateName": "Cytochrome P-450 CYP2C9 Inducers", "code": { "@type": "MedicalCode", "code": "D065698", "codingSystem": "MeSH" } }, "author": [ { "@type": "Person", "name": "Miklós Poór", "url": "https://questionsmedicales.fr/author/Mikl%C3%B3s%20Po%C3%B3r", "affiliation": { "@type": "Organization", "name": "Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Rókus u. 2, Pécs H-7624, Hungary; Lab-on-a-Chip Research Group, János Szentágothai Research Centre, University of Pécs, Ifjúság útja 20, Pécs H-7624, Hungary. Electronic address: poor.miklos@pte.hu." } }, { "@type": "Person", "name": "Jian-Ping Cai", "url": "https://questionsmedicales.fr/author/Jian-Ping%20Cai", "affiliation": { "@type": "Organization", "name": "The Key laboratory of Geriatrics, Beijing Institute of Geriatrics, Beijing Hospital, National Center of Gerontology, National Health Commission, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P. R. China." } }, { "@type": "Person", "name": "Slávka Bodnárová", "url": "https://questionsmedicales.fr/author/Sl%C3%A1vka%20Bodn%C3%A1rov%C3%A1", "affiliation": { "@type": "Organization", "name": "Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Rókus u. 2, Pécs H-7624, Hungary; Lab-on-a-Chip Research Group, János Szentágothai Research Centre, University of Pécs, Ifjúság útja 20, Pécs H-7624, Hungary." } }, { "@type": "Person", "name": "Eszter Fliszár-Nyúl", "url": "https://questionsmedicales.fr/author/Eszter%20Flisz%C3%A1r-Ny%C3%BAl", "affiliation": { "@type": "Organization", "name": "Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Rókus u. 2, Pécs H-7624, Hungary; Lab-on-a-Chip Research Group, János Szentágothai Research Centre, University of Pécs, Ifjúság útja 20, Pécs H-7624, Hungary." } }, { "@type": "Person", "name": "Jian Liu", "url": "https://questionsmedicales.fr/author/Jian%20Liu", "affiliation": { "@type": "Organization", "name": "The Key laboratory of Geriatrics, Beijing Institute of Geriatrics, Beijing Hospital, National Center of Gerontology, National Health Commission, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P. R. China." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "RT-RPA-PfAgo System: A Rapid, Sensitive, and Specific Multiplex Detection Method for Rice-Infecting Viruses.", "datePublished": "2023-10-20", "url": "https://questionsmedicales.fr/article/37887134", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3390/bios13100941" } }, { "@type": "ScholarlyArticle", "name": "Comparison of three fall risk assessment tools in older hospitalized patients in Turkey: analysis of sensitivity and specificity.", "datePublished": "2023-03-01", "url": "https://questionsmedicales.fr/article/36859749", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1007/s40520-023-02369-z" } }, { "@type": "ScholarlyArticle", "name": "Increasing test specificity without impairing sensitivity: lessons learned from SARS-CoV-2 serology.", "datePublished": "2022-08-30", "url": "https://questionsmedicales.fr/article/36041815", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1136/jcp-2022-208171" } }, { "@type": "ScholarlyArticle", "name": "Effect of Tryptic Digestion on Sensitivity and Specificity in MALDI-TOF-Based Molecular Diagnostics through Machine Learning.", "datePublished": "2023-09-23", "url": "https://questionsmedicales.fr/article/37836873", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3390/s23198042" } }, { "@type": "ScholarlyArticle", "name": "Sensitivity and Specificity of MRI versus CBCT to Detect Vertical Root Fractures Using MicroCT as a Reference Standard.", "datePublished": "2023-03-25", "url": "https://questionsmedicales.fr/article/36972896", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1016/j.joen.2023.03.011" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Actions chimiques et utilisations", "item": "https://questionsmedicales.fr/mesh/D020164" }, { "@type": "ListItem", "position": 3, "name": "Actions pharmacologiques", "item": "https://questionsmedicales.fr/mesh/D020228" }, { "@type": "ListItem", "position": 4, "name": "Mécanismes moléculaires de l'action pharmacologique", "item": "https://questionsmedicales.fr/mesh/D045504" }, { "@type": "ListItem", "position": 5, "name": "Inducteurs des enzymes du cytochrome P-450", "item": "https://questionsmedicales.fr/mesh/D065693" }, { "@type": "ListItem", "position": 6, "name": "Inducteurs du cytochrome P-450 CYP2C9", "item": "https://questionsmedicales.fr/mesh/D065698" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Inducteurs du cytochrome P-450 CYP2C9 - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Inducteurs du cytochrome P-450 CYP2C9", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-14", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Inducteurs du cytochrome P-450 CYP2C9", "description": "Comment identifier un inducteur du CYP2C9 ?\nQuels tests sont utilisés pour évaluer l'activité du CYP2C9 ?\nQuels signes indiquent une induction du CYP2C9 ?\nComment les interactions médicamenteuses sont-elles diagnostiquées ?\nQuels médicaments sont souvent des inducteurs du CYP2C9 ?", "url": "https://questionsmedicales.fr/mesh/D065698?mesh_terms=Sensitivity+and+Specificity&page=4#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Inducteurs du cytochrome P-450 CYP2C9", "description": "Quels symptômes peuvent indiquer une induction du CYP2C9 ?\nComment l'induction du CYP2C9 affecte-t-elle les médicaments ?\nQuels effets secondaires peuvent survenir ?\nLes symptômes varient-ils selon les patients ?\nQuels signes cliniques sont observés ?", "url": "https://questionsmedicales.fr/mesh/D065698?mesh_terms=Sensitivity+and+Specificity&page=4#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Inducteurs du cytochrome P-450 CYP2C9", "description": "Comment prévenir l'induction du CYP2C9 ?\nLes patients doivent-ils informer leur médecin des médicaments ?\nDes tests génétiques peuvent-ils aider à la prévention ?\nComment éduquer les patients sur les inducteurs ?\nLes changements de mode de vie peuvent-ils aider ?", "url": "https://questionsmedicales.fr/mesh/D065698?mesh_terms=Sensitivity+and+Specificity&page=4#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Inducteurs du cytochrome P-450 CYP2C9", "description": "Comment ajuster le traitement en cas d'induction du CYP2C9 ?\nQuels médicaments peuvent être utilisés pour contrer l'induction ?\nComment surveiller l'efficacité du traitement ?\nQuels sont les risques d'un traitement inapproprié ?\nLes changements de traitement doivent-ils être rapides ?", "url": "https://questionsmedicales.fr/mesh/D065698?mesh_terms=Sensitivity+and+Specificity&page=4#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Inducteurs du cytochrome P-450 CYP2C9", "description": "Quelles complications peuvent résulter de l'induction du CYP2C9 ?\nComment l'induction affecte-t-elle la santé globale ?\nLes complications sont-elles réversibles ?\nQuels sont les risques à long terme ?\nComment gérer les complications liées à l'induction ?", "url": "https://questionsmedicales.fr/mesh/D065698?mesh_terms=Sensitivity+and+Specificity&page=4#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Inducteurs du cytochrome P-450 CYP2C9", "description": "Quels sont les principaux facteurs de risque d'induction ?\nLa génétique joue-t-elle un rôle dans l'induction ?\nLes habitudes alimentaires influencent-elles l'induction ?\nLes maladies hépatiques augmentent-elles le risque ?\nLes interactions médicamenteuses sont-elles un facteur de risque ?", "url": "https://questionsmedicales.fr/mesh/D065698?mesh_terms=Sensitivity+and+Specificity&page=4#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment identifier un inducteur du CYP2C9 ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'identification se fait par l'analyse des antécédents médicamenteux et des tests de métabolisme." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer l'activité du CYP2C9 ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de pharmacogénétique et des dosages de médicaments peuvent être utilisés." } }, { "@type": "Question", "name": "Quels signes indiquent une induction du CYP2C9 ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Une diminution de l'efficacité des médicaments métabolisés par CYP2C9 peut être un signe." } }, { "@type": "Question", "name": "Comment les interactions médicamenteuses sont-elles diagnostiquées ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Elles sont diagnostiquées par l'examen des interactions dans les bases de données médicales." } }, { "@type": "Question", "name": "Quels médicaments sont souvent des inducteurs du CYP2C9 ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme la rifampicine et certains anticonvulsivants sont des inducteurs." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une induction du CYP2C9 ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes de sous-dosage des médicaments, comme une douleur persistante, peuvent apparaître." } }, { "@type": "Question", "name": "Comment l'induction du CYP2C9 affecte-t-elle les médicaments ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut réduire l'efficacité des médicaments, entraînant des symptômes de la maladie sous-jacente." } }, { "@type": "Question", "name": "Quels effets secondaires peuvent survenir ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des effets secondaires liés à un sous-dosage, comme des convulsions, peuvent survenir." } }, { "@type": "Question", "name": "Les symptômes varient-ils selon les patients ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les symptômes peuvent varier en fonction de la génétique et des médicaments pris." } }, { "@type": "Question", "name": "Quels signes cliniques sont observés ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des signes cliniques comme une réponse insuffisante au traitement peuvent être observés." } }, { "@type": "Question", "name": "Comment prévenir l'induction du CYP2C9 ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Éviter les inducteurs connus et surveiller les interactions médicamenteuses est essentiel." } }, { "@type": "Question", "name": "Les patients doivent-ils informer leur médecin des médicaments ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, informer le médecin de tous les médicaments pris aide à prévenir les interactions." } }, { "@type": "Question", "name": "Des tests génétiques peuvent-ils aider à la prévention ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des tests génétiques peuvent identifier les patients à risque d'induction enzymatique." } }, { "@type": "Question", "name": "Comment éduquer les patients sur les inducteurs ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "L'éducation sur les médicaments inducteurs et leurs effets est cruciale pour la prévention." } }, { "@type": "Question", "name": "Les changements de mode de vie peuvent-ils aider ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des changements de mode de vie, comme une alimentation saine, peuvent aider." } }, { "@type": "Question", "name": "Comment ajuster le traitement en cas d'induction du CYP2C9 ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Il peut être nécessaire d'augmenter la dose des médicaments affectés pour compenser." } }, { "@type": "Question", "name": "Quels médicaments peuvent être utilisés pour contrer l'induction ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des inhibiteurs du CYP2C9 peuvent être utilisés pour réduire l'induction enzymatique." } }, { "@type": "Question", "name": "Comment surveiller l'efficacité du traitement ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La surveillance se fait par des tests réguliers des niveaux de médicaments dans le sang." } }, { "@type": "Question", "name": "Quels sont les risques d'un traitement inapproprié ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Un traitement inapproprié peut entraîner des complications graves, comme des crises épileptiques." } }, { "@type": "Question", "name": "Les changements de traitement doivent-ils être rapides ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les changements doivent être faits prudemment pour éviter des effets indésirables." } }, { "@type": "Question", "name": "Quelles complications peuvent résulter de l'induction du CYP2C9 ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme des crises convulsives ou une résistance au traitement peuvent survenir." } }, { "@type": "Question", "name": "Comment l'induction affecte-t-elle la santé globale ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut compromettre la santé en rendant les traitements moins efficaces, aggravant les maladies." } }, { "@type": "Question", "name": "Les complications sont-elles réversibles ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Certaines complications peuvent être réversibles avec un ajustement approprié du traitement." } }, { "@type": "Question", "name": "Quels sont les risques à long terme ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les risques à long terme incluent des maladies chroniques dues à un traitement inefficace." } }, { "@type": "Question", "name": "Comment gérer les complications liées à l'induction ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "La gestion implique un suivi régulier et des ajustements de traitement basés sur les symptômes." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque d'induction ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'utilisation de certains médicaments, l'alcool et des maladies hépatiques." } }, { "@type": "Question", "name": "La génétique joue-t-elle un rôle dans l'induction ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des variations génétiques peuvent influencer l'activité du CYP2C9 et son induction." } }, { "@type": "Question", "name": "Les habitudes alimentaires influencent-elles l'induction ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Certaines habitudes alimentaires, comme la consommation de pamplemousse, peuvent influencer l'induction." } }, { "@type": "Question", "name": "Les maladies hépatiques augmentent-elles le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les maladies hépatiques peuvent augmenter le risque d'induction du CYP2C9." } }, { "@type": "Question", "name": "Les interactions médicamenteuses sont-elles un facteur de risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les interactions entre médicaments peuvent augmenter le risque d'induction enzymatique." } } ] } ] }

Sources (10000 au total)

Comparison of three fall risk assessment tools in older hospitalized patients in Turkey: analysis of sensitivity and specificity.

As a result of falls, older patients experience injury and loss of function, and their length of hospital stay and care costs increase.... This study was conducted to determine fall risks and compare the sensitivity and specificity of three fall risk assessment tools.... Older patients' fall risk levels were determined according to the Itaki, Hendrich-II, and Morse tools within 2 h following their admission to the wards. A methodological design was used in the study, ... According to the ROC curve values of Sensitivity and 1-Specificity, the cut-off points for the Hendrich-II, Itaki, and Morse fall tools were accepted as 27.5, 8.5, and 6.5, respectively. According to ... The Itaki Fall Risk Tool was found to be the most sensitive one among the three instruments in assessing the fall risk of older hospitalized patients. The Itaki Fall Risk Tool was followed by the Mors...

Increasing test specificity without impairing sensitivity: lessons learned from SARS-CoV-2 serology.

Serological tests are widely used in various medical disciplines for diagnostic and monitoring purposes. Unfortunately, the sensitivity and specificity of test systems are often poor, leaving room for... SIT² involves confirmatory retesting of samples with results falling in a predefined retesting zone of an initial screening test, with adjusted cut-offs to increase sensitivity. We verified and compar... The specificity of SIT² was superior to single tests and non-inferior to OTA. The sensitivity was maintained or even improved using SIT² when compared with single tests or OTA. SIT² allowed correct id... For SARS-CoV-2 serology, SIT² proved to be the best diagnostic choice at both 5% and 20% seroprevalence in all tested scenarios. It is an easy to apply algorithm and can potentially be helpful for the...

Sensitivity and Specificity of MRI versus CBCT to Detect Vertical Root Fractures Using MicroCT as a Reference Standard.

Vertical root fracture (VRF) in root-canal-treated teeth frequently results in tooth loss, partly because VRFs are difficult to diagnose and when detected the fracture is often beyond the point of pre... A total of 120 extracted human tooth roots were root canal treated using common techniques, and VRFs were mechanically induced in a proportion. Samples were imaged using MRI, CBCT, and microCT. Axial ... Intra-rater reliability was 0.29-0.48 for MRI and 0.30-0.44 for CBCT. Inter-rater reliability for MRI was 0.37 and for CBCT 0.49. Sensitivity was 0.66 (95% confidence interval [CI], 0.53-0.78) and 0.5... There was no significant difference in sensitivity or specificity between MRI and CBCT in detecting VRF, despite the early-stage development of MRI....

Development of multiplex HRM-based loop-mediated isothermal amplification method for specific and sensitive detection of Treponema pallidum.

Syphilis is a sexually transmitted disease caused by the spirochaete bacterium Treponema pallidum. This study has developed a multiplex High-Resolution Melt-curve Loop-mediated isothermal amplificatio...

The sensitivity and specificity of the WHO's ICOPE screening tool, and the prevalence of loss of intrinsic capacity in older adults: A scoping review.

The World Health Organization has developed the Integrated Care for Older People (ICOPE) program, a public health strategy to maintain older adults' functional abilities and promote healthier aging. T... Electronic searches were conducted in the PubMed, Cochrane, Embase, and SciElo databases, the medRxiv platform, and recent human aging scientific events, looking for research analyzing the ICOPE scree... Currently available data are heterogeneous, and different results were found among the studies due to diverse settings and methodologies. The evidence on the ICOPE screening tool's performance in diff...

Boron nitride nanoplate-based improvement of the specificity and sensitivity in loop-mediated isothermal amplification for Vibrio parahaemolyticus detection.

Nucleic acid testing based on DNA amplification is gradually entering people's modern life for clinical diagnosis, food safety monitoring and infectious disease prevention. Polymerase chain reaction (... In this work, we demonstrated that a nanomaterial boron nitride nanoplate (BNNP), due to its unique surface properties, can interact with the main components of the amplification reaction, such as sin... This is the first systematic demonstration of BNNPs as a promising additive to enhance the efficiency and fidelity of PCR and LAMP amplification reactions, thereby greatly expanding the application of...

Specificity and sensitivity of the social communication questionnaire lifetime screening tool for autism spectrum disorder in a UK CAMHS service.

The Social Communication Questionnaire is used to identify children and young people (CYP) who may require formal ASD assessment. However, there is a paucity of research on its utility in Children and... Forty young people (mean age 13.75 years) were screened using the caregiver reported SCQ before completing 'gold standard' assessment.... The SCQ had a sensitivity of 80% and a specificity of 25.7%. ROC curve analysis indicated low diagnostic accuracy. Differences in predictive accuracy of SCQ and diagnostic standard were statistically ... This evaluation builds on previous research suggesting that the SCQ may not be an efficient screening tool in CAMHS settings....