Titre : Cytochrome P-450 CYP1A2

Cytochrome P-450 CYP1A2 : Questions médicales fréquentes

Termes MeSH sélectionnés :

Attention Deficit Disorder with Hyperactivity
{ "@context": "https://schema.org", "@graph": [ { "@type": "MedicalWebPage", "name": "Cytochrome P-450 CYP1A2 : Questions médicales les plus fréquentes", "headline": "Cytochrome P-450 CYP1A2 : Comprendre les symptômes, diagnostics et traitements", "description": "Guide complet et accessible sur les Cytochrome P-450 CYP1A2 : explications, diagnostics, traitements et prévention. Information médicale validée destinée aux patients.", "datePublished": "2024-03-12", "dateModified": "2025-03-07", "inLanguage": "fr", "medicalAudience": [ { "@type": "MedicalAudience", "name": "Grand public", "audienceType": "Patient", "healthCondition": { "@type": "MedicalCondition", "name": "Cytochrome P-450 CYP1A2" }, "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": "Famille-1 de cytochromes P450", "url": "https://questionsmedicales.fr/mesh/D000072461", "about": { "@type": "MedicalCondition", "name": "Famille-1 de cytochromes P450", "code": { "@type": "MedicalCode", "code": "D000072461", "codingSystem": "MeSH" }, "identifier": { "@type": "PropertyValue", "propertyID": "MeSH Tree", "value": "D12.776.422.220.453.100" } } }, "about": { "@type": "MedicalCondition", "name": "Cytochrome P-450 CYP1A2", "alternateName": "Cytochrome P-450 CYP1A2", "code": { "@type": "MedicalCode", "code": "D019388", "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": "J Patrick Connick", "url": "https://questionsmedicales.fr/author/J%20Patrick%20Connick", "affiliation": { "@type": "Organization", "name": "Department of Pharmacology and Experimental Therapeutics, and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA." } }, { "@type": "Person", "name": "James R Reed", "url": "https://questionsmedicales.fr/author/James%20R%20Reed", "affiliation": { "@type": "Organization", "name": "Department of Pharmacology and Experimental Therapeutics, and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA." } }, { "@type": "Person", "name": "Wayne L Backes", "url": "https://questionsmedicales.fr/author/Wayne%20L%20Backes", "affiliation": { "@type": "Organization", "name": "Department of Pharmacology and Experimental Therapeutics, and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center, New Orleans, LA." } }, { "@type": "Person", "name": "Min Zhang", "url": "https://questionsmedicales.fr/author/Min%20Zhang", "affiliation": { "@type": "Organization", "name": "Sichuan Key Laboratory of Animal Genetics and Breeding, Sichuan Animal Science Academy, Chengdu, P.R. China." } } ], "citation": [ { "@type": "ScholarlyArticle", "name": "Methylphenidate for children and adolescents with attention deficit hyperactivity disorder (ADHD).", "datePublished": "2023-03-27", "url": "https://questionsmedicales.fr/article/36971690", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1002/14651858.CD009885.pub3" } }, { "@type": "ScholarlyArticle", "name": "Altered somatosensory processing in adult attention deficit hyperactivity disorder.", "datePublished": "2024-08-13", "url": "https://questionsmedicales.fr/article/39138461", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1186/s12888-024-06002-9" } }, { "@type": "ScholarlyArticle", "name": "Parental perspectives on attention-deficit/hyperactivity disorder treatments for children.", "datePublished": "2022-06-13", "url": "https://questionsmedicales.fr/article/35695509", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1177/13591045221108836" } }, { "@type": "ScholarlyArticle", "name": "Potential Inflammatory Biomarker in Patients with Attention Deficit Hyperactivity Disorder.", "datePublished": "2022-10-27", "url": "https://questionsmedicales.fr/article/36361835", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.3390/ijms232113054" } }, { "@type": "ScholarlyArticle", "name": "Sensory Processing in Children and Adolescents with Attention Deficit Hyperactivity Disorder.", "datePublished": "2022-10-14", "url": "https://questionsmedicales.fr/article/36239408", "identifier": { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1177/10870547221129306" } } ], "breadcrumb": { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "questionsmedicales.fr", "item": "https://questionsmedicales.fr" }, { "@type": "ListItem", "position": 2, "name": "Acides aminés, peptides et protéines", "item": "https://questionsmedicales.fr/mesh/D000602" }, { "@type": "ListItem", "position": 3, "name": "Protéines", "item": "https://questionsmedicales.fr/mesh/D011506" }, { "@type": "ListItem", "position": 4, "name": "Hémoprotéines", "item": "https://questionsmedicales.fr/mesh/D006420" }, { "@type": "ListItem", "position": 5, "name": "Cytochromes", "item": "https://questionsmedicales.fr/mesh/D003580" }, { "@type": "ListItem", "position": 6, "name": "Cytochrome P-450 enzyme system", "item": "https://questionsmedicales.fr/mesh/D003577" }, { "@type": "ListItem", "position": 7, "name": "Famille-1 de cytochromes P450", "item": "https://questionsmedicales.fr/mesh/D000072461" }, { "@type": "ListItem", "position": 8, "name": "Cytochrome P-450 CYP1A2", "item": "https://questionsmedicales.fr/mesh/D019388" } ] } }, { "@type": "MedicalWebPage", "name": "Article complet : Cytochrome P-450 CYP1A2 - Questions et réponses", "headline": "Questions et réponses médicales fréquentes sur Cytochrome P-450 CYP1A2", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-13", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Cytochrome P-450 CYP1A2", "description": "Comment évaluer l'activité de CYP1A2 ?\nQuels tests sanguins sont utilisés pour CYP1A2 ?\nY a-t-il des biomarqueurs pour CYP1A2 ?\nComment les médicaments influencent-ils CYP1A2 ?\nQuels sont les tests génétiques pour CYP1A2 ?", "url": "https://questionsmedicales.fr/mesh/D019388?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Cytochrome P-450 CYP1A2", "description": "Quels symptômes indiquent une dysfonction de CYP1A2 ?\nComment CYP1A2 affecte-t-il les symptômes de toxicité ?\nY a-t-il des symptômes liés à l'induction de CYP1A2 ?\nQuels signes cliniques sont associés à CYP1A2 ?\nCYP1A2 influence-t-il les symptômes de maladies ?", "url": "https://questionsmedicales.fr/mesh/D019388?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Cytochrome P-450 CYP1A2", "description": "Comment prévenir les interactions médicamenteuses avec CYP1A2 ?\nY a-t-il des mesures préventives pour CYP1A2 ?\nComment le mode de vie influence-t-il CYP1A2 ?\nQuels aliments affectent CYP1A2 ?\nComment éviter la toxicité liée à CYP1A2 ?", "url": "https://questionsmedicales.fr/mesh/D019388?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Cytochrome P-450 CYP1A2", "description": "Comment traiter une dysfonction de CYP1A2 ?\nQuels médicaments affectent CYP1A2 ?\nY a-t-il des traitements pour l'induction de CYP1A2 ?\nComment gérer les effets indésirables liés à CYP1A2 ?\nQuels sont les traitements alternatifs pour CYP1A2 ?", "url": "https://questionsmedicales.fr/mesh/D019388?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Cytochrome P-450 CYP1A2", "description": "Quelles complications peuvent survenir avec CYP1A2 ?\nCYP1A2 peut-il causer des maladies hépatiques ?\nComment les complications sont-elles gérées ?\nY a-t-il des risques de surdosage avec CYP1A2 ?\nQuels sont les effets à long terme de la dysfonction de CYP1A2 ?", "url": "https://questionsmedicales.fr/mesh/D019388?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Cytochrome P-450 CYP1A2", "description": "Quels facteurs influencent l'activité de CYP1A2 ?\nComment le tabagisme affecte-t-il CYP1A2 ?\nY a-t-il des risques liés à l'alcool et CYP1A2 ?\nQuels médicaments sont des facteurs de risque pour CYP1A2 ?\nComment l'alimentation influence-t-elle CYP1A2 ?", "url": "https://questionsmedicales.fr/mesh/D019388?mesh_terms=Attention+Deficit+Disorder+with+Hyperactivity&page=3#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer l'activité de CYP1A2 ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'activité peut être évaluée par des tests de métabolisme de médicaments spécifiques." } }, { "@type": "Question", "name": "Quels tests sanguins sont utilisés pour CYP1A2 ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de concentration de médicaments métabolisés par CYP1A2 peuvent être effectués." } }, { "@type": "Question", "name": "Y a-t-il des biomarqueurs pour CYP1A2 ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Actuellement, il n'existe pas de biomarqueurs spécifiques pour CYP1A2." } }, { "@type": "Question", "name": "Comment les médicaments influencent-ils CYP1A2 ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Certains médicaments peuvent inhiber ou induire l'activité de CYP1A2, affectant le métabolisme." } }, { "@type": "Question", "name": "Quels sont les tests génétiques pour CYP1A2 ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des tests génétiques peuvent identifier des polymorphismes affectant l'activité de CYP1A2." } }, { "@type": "Question", "name": "Quels symptômes indiquent une dysfonction de CYP1A2 ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Une dysfonction peut entraîner des effets indésirables liés à l'accumulation de médicaments." } }, { "@type": "Question", "name": "Comment CYP1A2 affecte-t-il les symptômes de toxicité ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Une activité réduite de CYP1A2 peut augmenter la toxicité des médicaments métabolisés." } }, { "@type": "Question", "name": "Y a-t-il des symptômes liés à l'induction de CYP1A2 ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "L'induction peut réduire l'efficacité des médicaments, entraînant des symptômes de maladie." } }, { "@type": "Question", "name": "Quels signes cliniques sont associés à CYP1A2 ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les signes peuvent inclure des réactions indésirables aux médicaments et des troubles hépatiques." } }, { "@type": "Question", "name": "CYP1A2 influence-t-il les symptômes de maladies ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, CYP1A2 peut influencer les symptômes de maladies en modifiant le métabolisme des médicaments." } }, { "@type": "Question", "name": "Comment prévenir les interactions médicamenteuses avec CYP1A2 ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Évitez les médicaments connus pour interagir avec CYP1A2 et consultez un médecin." } }, { "@type": "Question", "name": "Y a-t-il des mesures préventives pour CYP1A2 ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des mesures incluent l'éducation sur les médicaments et la surveillance des effets." } }, { "@type": "Question", "name": "Comment le mode de vie influence-t-il CYP1A2 ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, y compris l'alimentation, peut influencer l'activité de CYP1A2." } }, { "@type": "Question", "name": "Quels aliments affectent CYP1A2 ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des aliments comme le brocoli et le pamplemousse peuvent influencer l'activité de CYP1A2." } }, { "@type": "Question", "name": "Comment éviter la toxicité liée à CYP1A2 ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Évitez les doses élevées de médicaments métabolisés par CYP1A2 pour prévenir la toxicité." } }, { "@type": "Question", "name": "Comment traiter une dysfonction de CYP1A2 ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement implique l'ajustement des doses de médicaments métabolisés par CYP1A2." } }, { "@type": "Question", "name": "Quels médicaments affectent CYP1A2 ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme la caféine et certains antidépresseurs peuvent influencer CYP1A2." } }, { "@type": "Question", "name": "Y a-t-il des traitements pour l'induction de CYP1A2 ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "L'induction peut nécessiter des ajustements de traitement pour éviter l'inefficacité." } }, { "@type": "Question", "name": "Comment gérer les effets indésirables liés à CYP1A2 ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "La gestion implique la surveillance des effets indésirables et l'ajustement des doses." } }, { "@type": "Question", "name": "Quels sont les traitements alternatifs pour CYP1A2 ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des traitements alternatifs peuvent inclure des médicaments non métabolisés par CYP1A2." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec CYP1A2 ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des réactions indésirables graves aux médicaments métabolisés." } }, { "@type": "Question", "name": "CYP1A2 peut-il causer des maladies hépatiques ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Une dysfonction de CYP1A2 peut contribuer à des maladies hépatiques en altérant le métabolisme." } }, { "@type": "Question", "name": "Comment les complications sont-elles gérées ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "La gestion des complications implique l'ajustement des traitements et la surveillance étroite." } }, { "@type": "Question", "name": "Y a-t-il des risques de surdosage avec CYP1A2 ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un métabolisme altéré peut augmenter le risque de surdosage de certains médicaments." } }, { "@type": "Question", "name": "Quels sont les effets à long terme de la dysfonction de CYP1A2 ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les effets à long terme peuvent inclure des problèmes de santé chroniques liés au métabolisme." } }, { "@type": "Question", "name": "Quels facteurs influencent l'activité de CYP1A2 ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Des facteurs comme la génétique, l'alimentation et l'usage de médicaments influencent l'activité." } }, { "@type": "Question", "name": "Comment le tabagisme affecte-t-il CYP1A2 ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme induit l'activité de CYP1A2, augmentant le métabolisme de certains médicaments." } }, { "@type": "Question", "name": "Y a-t-il des risques liés à l'alcool et CYP1A2 ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "La consommation excessive d'alcool peut inhiber l'activité de CYP1A2, affectant le métabolisme." } }, { "@type": "Question", "name": "Quels médicaments sont des facteurs de risque pour CYP1A2 ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme les antibiotiques et les antidépresseurs peuvent influencer CYP1A2." } }, { "@type": "Question", "name": "Comment l'alimentation influence-t-elle CYP1A2 ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Certains aliments, comme le pamplemousse, peuvent inhiber ou induire l'activité de CYP1A2." } } ] } ] }

Sources (10000 au total)

Methylphenidate for children and adolescents with attention deficit hyperactivity disorder (ADHD).

Attention deficit hyperactivity disorder (ADHD) is one of the most commonly diagnosed and treated psychiatric disorders in childhood. Typically, children and adolescents with ADHD find it difficult to... To assess the beneficial and harmful effects of methylphenidate for children and adolescents with ADHD.... We searched CENTRAL, MEDLINE, Embase, three other databases and two trials registers up to March 2022. In addition, we checked reference lists and requested published and unpublished data from manufac... We included all randomised clinical trials (RCTs) comparing methylphenidate versus placebo or no intervention in children and adolescents aged 18 years and younger with a diagnosis of ADHD. The search... Two review authors independently conducted data extraction and risk of bias assessment for each trial. Six review authors including two review authors from the original publication participated in the... We included 212 trials (16,302 participants randomised); 55 parallel-group trials (8104 participants randomised), and 156 cross-over trials (8033 participants randomised) as well as one trial with a p... methylphenidate versus placebo or no intervention may improve teacher-rated ADHD symptoms (standardised mean difference (SMD) -0.74, 95% confidence interval (CI) -0.88 to -0.61; I² = 38%; 21 trials; 1... methylphenidate may cause more adverse events considered non-serious versus placebo or no intervention (RR 1.23, 95% CI 1.11 to 1.37; I² = 72%; 35 trials 5342 participants; very low-certainty evidence... The majority of our conclusions from the 2015 version of this review still apply. Our updated meta-analyses suggest that methylphenidate versus placebo or no-intervention may improve teacher-rated ADH...

Altered somatosensory processing in adult attention deficit hyperactivity disorder.

Tactile sensitivity and sensory overload in ADHD are well-documented in clinical-, self-, and parent- reports, but empirical evidence is scarce and ambiguous and focuses primarily on children. Here, w... Somatosensory evoked potential (SEP) amplitudes were measured in 27 adults with ADHD and 24 controls during four conditions (rest, stroking of the own arm, stroking of the arm by a researcher, and str... Participants with ADHD self-reported greater tactile sensitivity and ADHD symptom severity than controls and received higher scores on the Qb-test. These values correlated with one another. ADHD parti... We find that ADHD symptomatology and touch sensitivity are directly linked, using both self-reports and experimental measures. We also find evidence of tactile sensory overload in ADHD, and an indicat...

Sensory Processing in Children and Adolescents with Attention Deficit Hyperactivity Disorder.

The aim is to assess the sensory processing difficulties in children and adolescents with ADHD.... In all, 38 ADHD children of the age group 6-14 years and 34 age- and gender-matched typically developing controls were included in the study. Sensory processing was assessed on Child Sensory Profile-2... A significantly higher sensory processing difficulties were seen in children with ADHD than typically developing controls. There were positive correlations between the scores of Child sensory profile ... Sensory problems were common in children with ADHD and add to the functional impairments....

Preterm postnatal complications and risk of attention-deficit/hyperactivity disorder.

To investigate the association between the risk of attention-deficit/hyperactivity disorder (ADHD) and preterm birth and determine how postnatal complications in children born preterm is associated wi... This population-based cohort study used data from the Hong Kong electronic medical records. We followed 359 614 children (48% female; 6-17 years old, mean 11 years 7 months, SD 3 years 2 months) born ... The risk of ADHD was 4.0% in children born at term and 5.1% in children born preterm. The odds ratio for ADHD was 2.08 (95% confidence interval [CI] 1.64-2.64) for children born extremely preterm, 1.6... Children born preterm in all subcategories, from extremely preterm to late preterm, have increased risk of ADHD. Early respiratory infection partially mediates the risk of ADHD in children born preter...

Effect of Past Pharmacotherapy for Attention-Deficit/Hyperactivity Disorder on Substance Use Disorder.

Substance use disorders (SUDs) are a considerable public health problem. Attention-deficit/hyperactivity disorder (ADHD) frequently occurs in patients with SUD. Several studies demonstrated that ADHD ... The study aimed to explore the effect of childhood ADHD pharmacotherapy on later life's functional impairment and substance use patterns.... Treatment-seeking SUD patients with ADHD (n = 52) were recruited from various rehabilitation facilities in South Africa. Adult ADHD individuals without SUD (n = 48) were recruited from clinicians, ret... Medicated participants (n = 59) showed lower levels of ADHD-related impairment across all functional domains (p < 0.001), compared to non-medicated participants (n = 41). They also consumed less alcoh... Childhood ADHD pharmacotherapy might be associated with a decreased risk for substance use in adulthood and lower ADHD-related impairment. Despite study limitations, these findings underline the impor...