Cannabinoid Interactions With Central and Peripheral Pain Mechanisms in Osteoarthritis of the Knee

"Placebo drug will be taken similarly to the THC and CBD and be matched to keep the trial blinded.~In the event that 2.5 mg capsules of dronabinal capsules become unavailable, an equivalent product will be issued to participants and the comparator and placebo arms will be correspondingly adjusted to preserve blinding. If a participant's dose is not well-tolerated, the participant may initiate dose reductions with the study team.~Participants will be instructed to eat a meal or snack greater than one hour after taking study drug."

"Epidiolex doses will be 0.37 milliliter (mL) for seven days of treatment and then 0.75 mL two times a day (b.i.d) for the remaining days of this treatment.~In the event that 2.5 mg capsules of dronabinal capsules become unavailable, an equivalent product will be issued to participants and the comparator and placebo arms will be correspondingly adjusted to preserve blinding. If a participant's dose is not well-tolerated, the participant may initiate dose reductions with the study team.~Participants will be instructed to eat a meal or snack greater than one hour after taking study drug."

"Dronabinol Capsules doses will be 2.5 mg b.i.d. for seven days of treatment and then 5 mg b.i.d. for the remaining days of this treatment.~In the event that 2.5 mg capsules of dronabinal capsules become unavailable, an equivalent product will be issued to participants and the comparator and placebo arms will be correspondingly adjusted to preserve blinding. If a participant's dose is not well-tolerated, the participant may initiate dose reductions with the study team.~Participants will be instructed to eat a meal or snack greater than one hour after taking study drug."