[Lys8, Lys9]-Neurotensin (8-13) (JMV438) is a Neurotensin analog that elicits analgesic effects by activating the G protein-coupled receptors NTS1 and NTS2. The compound has K i values of 0.33 nM and 0.95 nM for hNTS1 and hNTS2 receptors, respectively.