Interaction entre Darunavir et Nirmatrelvir et ritonavir
Darunavir et Nirmatrelvir et ritonavir : les deux notices de prescription signalent cette association dans les termes les plus forts, tels qu'une contre-indication, une mise en garde encadrée ou une consigne de l'éviter.
Ne pas associer sans l'avis d'un prescripteur. Les termes de la notice cités ci-dessous sont les plus forts qu'emploie la FDA.
Ce que disent les notices FDA
D'après la notice Darunavir (PREZISTA) · version du 2025-08-29
Co-administration of PREZISTA/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance and for which elevated plasma concentrations are associated with serious and/or life-threatening events (narrow therapeutic index).
Due to the need for co-administration of PREZISTA with ritonavir, please refer to ritonavir prescribing information for a description of ritonavir contraindications.
…PDE-5 inhibitor: sildenafil when used for treatment of pulmonary arterial hypertension Sedatives/hypnotics: orally administered midazolam, triazolam Co-administration of PREZISTA/ritonavir is contraindicated with drugs that are highly dependent on CYP3A for clearance and for which elevated plasma concentrations are associated with serious and/or life-threatening…
PREZISTA/ritonavir is not recommended in pediatric patients below 3 years of age in view of toxicity and mortality observed in juvenile rats dosed with darunavir up to days 23 to 26 of age.
Not Recommended in Pediatric Patients Below 3 Years of Age PREZISTA/ritonavir in pediatric patients below 3 years of age is not recommended in view of toxicity and mortality observed in juvenile rats dosed with darunavir (from 20 mg/kg to 1000 mg/kg) up to days 23 to 26 of age [see Use in Specific Populations (8.1 and 8.4) and Clinical Pharmacology (12.3) ] .
D'après la notice Nirmatrelvir et ritonavir (Paxlovid) · version du 2026-02-19
• HIV-1 Drug Resistance: PAXLOVID use may lead to a risk of HIV-1 developing resistance to HIV protease inhibitors in individuals with uncontrolled or undiagnosed HIV-1 infection.
Risk of HIV-1 Resistance Development Because nirmatrelvir is co-administered with ritonavir, there may be a risk of HIV-1 developing resistance to HIV protease inhibitors in individuals with uncontrolled or undiagnosed HIV-1 infection [see Contraindications (4) and Drug Interactions (7) ] .
Monitor for increased PAXLOVID or protease inhibitor adverse events .
Potential for PAXLOVID to Affect Other Drugs PAXLOVID (nirmatrelvir co-packaged with ritonavir) is a strong inhibitor of CYP3A, and an inhibitor of CYP2D6, P-gp and OATP1B1.
Anti-HIV protease inhibitors atazanavir, darunavir, tipranavir ↑ protease inhibitor For further information, refer to the respective protease inhibitors' prescribing information.
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Ouvrir dans le vérificateurCeci n'est pas un avis médical. Interaction Checker cite le texte des notices FDA et des fiches d'information du NIH. L'importance d'une interaction dans votre cas dépend des doses, des horaires de prise, de la fonction rénale et hépatique et d'autres problèmes de santé. Vérifiez auprès d'un pharmacien ou d'un prescripteur.