Nightmares and Hallucinations with Aprepitant and Opium Powder: a Suspected Drug-drug Interaction
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Polypharmacy of elderly oncology patients and fragmented medication management are well-known risk factors for drug-drug interactions (DDIs). These interactions can occur among antineoplastic, ongoing chronic treatment(s) and chemotherapy-associated treatments, like antiemetics. Clinically relevant interactions based on enzyme- or transporter-inhibition phenomena of active drugs can increase the frequency of their DDIs. We describe a strongly suspected elderly cancer patient's DDI between aprepitant and opium powder in the context of an irinotecan-based regimen manifested by nightmares and visual hallucinations. We discuss this DDI's hypothetical pharmacological mechanisms and management.
Nightmares and hallucinations with aprepitant and opium powder: a suspected drug-drug interaction.
Narjoux G, Clarenne J, Azzouz B, Zeller P, Slimano F, Bouche O Br J Clin Pharmacol. 2018; 85(2):454-456.
PMID: 30479035 PMC: 6339988. DOI: 10.1111/bcp.13810.