Bay 59-3074 is a CB1/CB2 receptor partial agonist (Ki: 48.3/45.5 nM). In rat models of chronic neuropathic and inflammatory pain, it displays anti-hyperalgesic and antiallodynic properties.

CB1:48.3nM(ki), CB2:45.5 nM(ki)

analgesic, antihyperalgesic, and antiallodynic properties in rat models of acute and chronic pain. The reference concentration is 10 μM.

In rat models of chronic neuropathic (chronic constriction injury, spared nerve injury, tibial nerve injury, and spinal nerve ligation models) and inflammatory pain (carrageenan and complete Freund's adjuvant models), BAY 59-3074 (0.3-3 mg/kg, p.o.) induced antihyperalgesic and antiallodynic effects against thermal or mechanical stimuli. Antiallodynic efficacy of BAY 59-3074 (1 mg/kg, p.o.) in the spared nerve injury model was maintained after 2 weeks of daily administration. However, tolerance developed rapidly (within 5 days) for cannabinoid-related side effects, which occur at doses above 1 mg/kg (e.g., hypothermia). Uptitration from 1 to 32 mg/kg p.o. (doubling of daily dose every 4th day) prevented the occurrence of such side effects, whereas antihyperalgesic and antiallodynic efficacy was maintained/increased. No withdrawal symptoms were seen after abrupt withdrawal following 14 daily applications of 1 to 10 mg/kg p.o.