Nipecotic acid is a GABA uptake inhibitor[1] used in scientific research.[2][3] Nipecotic acid has very little to no BBB penetration itself but structural modifications can be done to improve this.[4]
^Macdonald RL (2012). Eadie MJ, Vajda FJ (eds.). Antiepileptic drugs: pharmacology and therapeutics (First ed.). [S.l.]: Springer. p. 130. ISBN978-3-642-64244-9. In contrast, prolonged (1 h) exposure to gabapentin enhanced the shunting effect on CAl region excitatory postsynaptic potentials induced by the GABA uptake inhibitor, nipecotic acid, which promotes GABA release.
^Wahab A, Heinemann U, Albus K (October 2009). "Effects of gamma-aminobutyric acid (GABA) agonists and a GABA uptake inhibitor on pharmacoresistant seizure like events in organotypic hippocampal slice cultures". Epilepsy Research. 86 (2–3): 113–123. doi:10.1016/j.eplepsyres.2009.05.008. PMID19535226. S2CID32999271.
^Dhanawat M, Gupta S, Mehta DK, Das R (February 2021). "Design, Synthesis and Enhanced BBB Penetration Studies of L-serine-Tethered Nipecotic Acid-Prodrug". Drug Research. 71 (2): 94–103. doi:10.1055/a-1290-0119. PMID33241549.