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. 2020 Jul 7;3(1):61–73. doi: 10.1159/000507998

Table 5.

Cannabinoid medication (as the PRECIPITANT) affecting the metabolic enzyme levels/activity/drug effect of substrate medications (OBJECT) with a Narrow Therapeutic Index (NTI)

Cannabinoid (as PRECIPITANT) Affects the metabolism of the following SUBSTRATES with a Narrow Therapeutic Index (NTI)
Dronabinol (Marinol® and Syndros®) CYP2C9 SUBSTRATES
CYP3A4 SUBSTRATES

Nabilone (Cesamet®) Nabilone is a (WEAK) INHIBITOR
CYP2E1 SUBSTRATES
CYP3A4 SUBSTRATES
Nabilone is a (MODERATE) INHIBITOR
CYP2C8 SUBSTRATES
CYP2C9 SUBSTRATES

CBD (Epidiolex®) CBD INHIBITS and INDUCES
CYP1A2 SUBSTRATES
CYP2B6 SUBSTRATES
CBD INHIBITS
CYP2C8 SUBSTRATES
CYP2C9 SUBSTRATES
CYP2C19 SENSITIVE SUBSTRATES
UGT1A9 SUBSTRATES
UGT2B7 SUBSTRATES

Nabiximols (Sativex®) Nabiximols INHIBITS
CYP2C8 SUBSTRATESa
CYP3A4 SUBSTRATES
UGT1A9 SUBSTRATES
UGT2B7 SUBSTRATES
Nabiximols INDUCES
CYP1A2 SUBSTRATES
CYP2B6 SUBSTRATES
CYP3A4 SUBSTRATES

CBD, cannabidiol; PI, prescribing information. a Listed in the CBD (Epidiolex®) PI.