(2-Hydroxypropyl)-β-cyclodextrin is a widely used drug delivery vehicle to improve stability and bioavailability.

[Lys8, Lys9]-Neurotensin (8-13) (JMV438), a Neurotensin analog, exerts its analgesic effects through activation of the G protein-coupled receptors NTS1 and NTS2, with Ki values of 0.33 nM and 0.95 nM for hNTS1 and hNTS2 receptors, respectively.

Neuropeptide VF (56-92) (human)