D-Cl-amidine hydrochloride is a potent and highly selective PAD1 inhibitor. D-Cl-amidine is well-torelated with no significant toxicity[1].
in vivo
D-Cl-amidine, administered by iv at a dose of 2.5 mg/kg, is still detected after 2 h in serum at a concentration of ~21 nM and at 4 h at ~10 nM. D-Cl-amidine is still observed in the blood serum at a concentration of ~10 nM at 4 h when administered by ip at a dose of 10 mg/kg[1].
References
[1] Bicker KL, et al. D-amino acid based protein arginine deiminase inhibitors: Synthesis, pharmacokinetics, and in cellulo efficacy. ACS Med Chem Lett. 2012 Oct 26;3(12):1081-1085. DOI:10.1021/ml300288d