Electrophysiological Biomarkers of AV-101
Summary
Suicide is 2-7x higher in Veterans than non-veterans, and may be related to brain kynurenine pathway (KP) dysregulation and NMDA receptor (NMDAR) hyperactivation. Experimental drug "AV-101" modulates the brain KP, with possible downstream NMDAR deactivation. The investigators will examine AV-101 NMDAR modulation by testing dose-response effects on resting state EEG, Mismatch Negativity, and P50 gating. Twelve healthy Operation Enduring Freedom (OEF) Operation Iraqi Freedom (OIF) and Operation New Dawn (OND) Veterans will be administered single dose AV-101 720 mg, 1440 mg, and placebo over 3 weeks in a randomized, double-blind, cross-over trial. Repeated measures General Linear Models will test dose-response effects. Suicide prevention is an important Veterans Affair (VA) mission. This study is a first step to testing anti-suicidal effects of AV-101 in Veterans.
Timeline
- Start
- 2018-09-01
- Primary completion
- 2019-10-19
- Completion
- 2019-10-19
Publications
- Results Murphy N, Ramakrishnan N, Vo-Le B, Vo-Le B, Smith MA, Iqbal T, Swann AC, Mathew SJ, Lijffijt M. A randomized cross-over trial to define neurophysiological correlates of AV-101 N-methyl-D-aspartate receptor blockade in healthy veterans. Neuropsychopharmacology. 2021 Mar;46(4):820-827. doi: 10.1038/s41386-020-00917-z. Epub 2020 Dec 14.
- Murphy N, Lijffijt M, Ramakrishnan N, Vo-Le B, Vo-Le B, Iqbal S, Iqbal T, O'Brien B, Smith MA, Swann AC, Mathew SJ. Does mismatch negativity have utility for NMDA receptor drug development in depression? Braz J Psychiatry. 2022 Jan-Feb;44(1):61-73. doi: 10.1590/1516-4446-2020-1685.
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | AV-101 | Small molecule | 720 mg | Oral |
| Subject | AV-101 | Small molecule | 1440 mg | Oral |
Indications
No indication recorded.