In Vitro Comparison of Ulotaront (SEP-363856) and Ralmitaront (RO6889450) - Two TAAR1 Agonist Candidate Antipsychotics.

Compared to ulotaront, ralmitaront shows lower efficacy and slower kinetics at TAAR1, and lacks efficacy at 5-HT1AR. These data may be relevant to understanding differences in clinical profiles of these two compounds.