Buprenorfina i Darunawir + kobicystat: interakcja

Evaluate patients starting CYP3A4 inhibitors or stopping CYP3A4 inducers at frequent intervals for respiratory depression.

Inhibitors of CYP3A4 Clinical Impact: The concomitant use of BELBUCA and CYP3A4 inhibitors can increase the plasma concentration of buprenorphine, resulting in increased or prolonged opioid effects, particularly when an inhibitor is added after a stable dose of BELBUCA is achieved.

After stopping a CYP3A4 inhibitor, as the effects of the inhibitor decline, the buprenorphine plasma concentration will decrease [see Clinical Pharmacology (12.3) ] , potentially resulting in decreased opioid efficacy or a withdrawal syndrome in patients who had developed physical dependence to buprenorphine.

If a CYP3A4 inhibitor is discontinued, consider increasing the BELBUCA dosage until stable drug effects are achieved.

Examples: Macrolide antibiotics (e.g., erythromycin), azole-antifungal agents (e.g., ketoconazole), protease inhibitors (e.g., ritonavir) CYP3A4 Inducers Clinical Impact: The concomitant use of BELBUCA and CYP3A4 inducers can decrease the plasma concentration of buprenorphine [see Clinical Pharmacology (12.3) ] , potentially resulting in decreased efficacy or…

…elbasvir/grazoprevir Lipid modifying agents: lomitapide, lovastatin, simvastatin Opioid Antagonist: naloxegol PDE-5 inhibitor: sildenafil when used for treatment of pulmonary arterial hypertension Sedatives/hypnotics: orally administered midazolam, triazolam PREZCOBIX or PREZCOBIX PED is contraindicated in patients receiving certain co-administered drugs for which altered plasma…

Opioid Antagonist naloxegol ↑ naloxegol Co-administration of PREZCOBIX or PREZCOBIX PED and naloxegol is contraindicated due to potential for precipitating opioid withdrawal symptoms.

Sedatives/hypnotics: orally administered midazolam, triazolam ↑ midazolam ↑ triazolam Co-administration is contraindicated due to potential for serious and/or life-threatening reactions such as prolonged or increased sedation or respiratory depression.

Narcotic analgesic for treatment of opioid dependence: buprenorphine, buprenorphine/naloxone, methadone buprenorphine or buprenorphine/ naloxone: effects unknown methadone: effects unknown Initiation of buprenorphine, buprenorphine/naloxone or methadone in patients taking PREZCOBIX or PREZCOBIX PED : Carefully titrate the dose of buprenorphine, buprenorphine/naloxone…

Initiation of PREZCOBIX or PREZCOBIX PED in patients taking buprenorphine, buprenorphine/naloxone or methadone : A dose adjustment for buprenorphine, buprenorphine/naloxone or methadone may be needed.