ketamine
Intravenous ketamine versus esketamine for depression: a systematic review and meta-analysis (Elmosalamy, et al, 2025)
"Based on the currently available comparative evidence, which is almost entirely observational, IV ketamine and IN esketamine show comparable acute response and remission rates, though IV ketamine may act faster."
lsd
Spotlight: LSD: Mechanisms and relevance to the treatment of depression (Bouloufa, et al, 2025)
"Psychedelics may be a potential alternative therapy for treatment-resistant depression. LSD has a complex mode of action which is not yet fully understood.
Low doses of LSD can drastically increase brain plasticity."
ketamine
Vascular endothelial growth factor: a key factor in the onset and treatment of depression (Wang, et al, 2025)
Factor de crecimiento endotelial vascular: un factor clave en la aparición y tratamiento de la depresión