Marketed •
D-Phenylalanine (DPA, D-Phe; Deprenon, Sabiben, Sabiden) –
enkephalinase inhibitor •
Agomelatine (Valdoxan) –
5-HT2C receptor antagonist and
MT1 and
MT2 receptor agonist •
Brexanolone (allopregnanolone; Zulresso) –
GABAA receptor positive allosteric modulator – approved for
postpartum depression •
Dextromethorphan/bupropion (Auvelity) •
Esketamine (Spravato) – non-competitive NMDA receptor antagonist, other actions •
Gepirone (Exxua) –
5-HT1A receptor partial agonist and
α2-adrenergic receptor antagonist •
Opipramol (Insidon) —
σ1 receptor agonist, other actions •
Tianeptine (Stablon, Coaxil, Tianeurax) – weak and atypical
μ-opioid receptor agonist, other actions
Off-label only •
Ketamine (Ketalar) – non-competitive
NMDA receptor antagonist Discontinued/withdrawn •
α-Methyltryptamine [αMT] (Indopan) – non-selective
serotonin receptor agonist,
serotonin–norepinephrine–dopamine releasing agent (SNDRA), and weak RIMA •
Etryptamine [α-Ethyltryptamine (αET)] (Monase) – non-selective serotonin receptor agonist, SNDRA, and weak RIMA •
Indeloxazine (Elen, Noin) –
serotonin releasing agent (SRA), NRI, and NMDA receptor antagonist •
Oxaflozane (Conflictan) – 5-HT1A, 5-HT2A, and 5-HT2C receptor agonist •
Pivagabine (Tonerg) – unknown/unclear
mechanism of action Over-the-counter The following antidepressants are available both with a
prescription and
over-the-counter: •
Ademetionine [
S-Adenosyl-L-methionine (SAMe)] (Heptral, Transmetil, Samyl) –
cofactor in
monoamine neurotransmitter biosynthesis •
Hypericum perforatum [St. John's Wort (SJW)] (Jarsin, Kira, Movina) –
TRPC6 activator, and various other actions •
Oxitriptan [5-Hydroxytryptophan (5-HTP)] (Cincofarm, Levothym, Triptum) –
precursor in
serotonin biosynthesis •
Tryptophan (Tryptan, Optimax, Aminomine) – precursor in serotonin biosynthesis ==Adjunctive treatments==