作者
Ruin Moaddel, David A Luckenbaugh, Ying Xie, Alma Villaseñor, Nancy E Brutsche, Rodrigo Machado-Vieira, Anuradha Ramamoorthy, Maria Paz Lorenzo, Antonia Garcia, Michel Bernier, Marc C Torjman, Coral Barbas, Carlos A Zarate, Irving W Wainer
发表日期
2015/1
期刊
Psychopharmacology
卷号
232
页码范围
399-409
出版商
Springer Berlin Heidelberg
简介
Rationale
(R,S)-ketamine is a rapid and effective antidepressant drug that produces a response in two thirds of patients with treatment-resistant depression (TRD). The underlying biochemical differences between a (R,S)-ketamine responder (KET-R) and non-responder (KET-NR) have not been definitively identified but may involve serine metabolism.
Objectives
The aim of the study was to examine the relationship between baseline plasma concentrations of D-serine and its precursor L-serine and antidepressant response to (R,S)-ketamine in TRD patients.
Methods
Plasma samples were obtained from 21 TRD patients at baseline, 60 min before initiation of the (R,S)-ketamine infusion. Patients were classified as KET-Rs (n = 8) or KET-NRs (n = 13) based upon the difference in Montgomery–Åsberg Depression …
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