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Discovery of VU6024578/BI02982816: An MGlu1 Positive Allosteric Modulator with Efficacy in Preclinical Antipsychotic and Cognition Models
Journal of Medicinal Chemistry ( IF 6.8 ) Pub Date : 2024-12-12 , DOI: 10.1021/acs.jmedchem.4c02554
Carson W. Reed, Jacob F. Kalbfleisch, Jeremy A. Turkett, Trevor A. Trombley, Anthony F. Nastase, Paul K. Spearing, Daniel H. Haymer, Mohammad Moshin Sarwar, Marc Quitalig, Jonathan W. Dickerson, Annie L. Blobaum, Olivier Boutaud, Patrizia Voehringer, Niklas Schuelert, Hyekyung P. Cho, Colleen M. Niswender, Jerri M. Rook, Henning Priepke, Daniel Ursu, P. Jeffrey Conn, Bruce J. Melancon, Craig W. Lindsley

Herein, we report progress toward a metabotropic glutamate receptor subtype 1 (mGlu1) positive allosteric modulator (PAM) clinical candidate and the discovery of VU6024578/BI02982816. From a weak high-throughput screening hit (VU0538160, EC50 > 10 μM, 71% Glumax), optimization efforts improved functional potency over 185-fold to deliver the selective (inactive on mGlu2–5,7,8) and CNS penetrant (rat Kp = 0.99, Kp,uu = 0.82; MDCK-MDR1 ER = 1.7, Papp = 73 × 10–6 cm/s) mGlu1 PAM (VU6024578/BI02982816, EC50 = 54 nM, 83% Glumax). An excellent rat pharmacokinetic profile allowed the evaluation of VU6024578/BI02982816 in both amphetamine-induced hyperlocomotion (minimum effective dose (MED) = 3 mg/kg, p.o.) and MK-801 induced disruptions of novel object recognition (MED = 10 mg/kg p.o.), thus providing efficacy in preclinical models of psychosis and cognition. However, unanticipated AEs in dog prevented further consideration as a candidate. Thus, VU6024578/BI02982816 can serve as a best-in-class in vivo rodent tool to study selective mGlu1 activation.

中文翻译:


VU6024578/BI02982816 的发现:一种在临床前抗精神病药和认知模型中有效的 MGlu1 阳性变构调节剂



在此,我们报告了代谢型谷氨酸受体亚型 1 (mGlu1) 阳性变构调节剂 (PAM) 临床候选药物的进展以及 VU6024578/BI02982816 的发现。从弱高通量筛选命中 (VU0538160,EC50 > 10 μM,71% Glumax),优化工作将功能效力提高了 185 倍以上,以提供选择性(对 mGlu2-5,7,8 无活性)和 CNS 渗透剂(大鼠 Kp = 0.99,Kp,uu = 0.82;MDCK-MDR1 ER = 1.7,Papp = 73 × 10–6 cm/s) mGlu1 PAM (VU6024578/BI02982816,EC50 = 54 nM,最大 83% Glu)。出色的大鼠药代动力学特征允许评估苯丙胺诱导的高位运动 (最小有效剂量 (MED) = 3 mg/kg,口服)和 MK-801 诱导的新型物体识别破坏 (MED = 10 mg/kg 口服) 中的 VU6024578/BI02982816,从而在精神病和认知的临床前模型中提供疗效。然而,狗中意想不到的 AE 阻止了进一步考虑作为候选人。因此,VU6024578/BI02982816 可以作为研究选择性 mGlu1 激活的同类最佳体内啮齿动物工具。
更新日期:2024-12-12
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