Table 2. Amphetamine/cannabis/nicotine-based experiments .
Addictive drug | Manipulation | Target | Subjects | Main findings/ References |
Amphetamine | Almorexant | dual OX1/2R | R (rat) | Decreased cocaine and amphetamine-induced CPP expression but did not affect morphine-induced CPP expression/Interfered with morphine-induced locomotor sensitization but had no effect on cocaine and amphetamine-induced locomotor sensitization63 |
SB-334867 | OX1R | R | Decreased amphetamine-induced dopamine outflow (in NAc) and reduced amphetamine-induced sensitization64 | |
Cannabis | SB-334867 | OX1R | M (mice) | SB-334867 reduced the reinforcing and motivational properties of WIN55,212-2 (SORA2-TCS-OX2-29 had no effect)69 |
Nicotine | TCS 1102 | dual OX1/2R | R | It had no effect on nicotine-seeking behavior70 |
SB-334867 | OX1R | M | Administration of SB-334867 reduced the somatic signs of nicotine-induced withdrawal but SORA2-TCS-OX2-29 had no effect71 |