Skip to content

Depression research published in 2026

Page 22 of 37: studies 421 to 440 of 728, newest first. Back to the depression overview

Studies

Pharmacotherapeutic Management of Depression in Patients With Cancer: A Review of Mechanistic and Clinical Evidence.

Cancer Reports May 1, 2026 Sepideh Hajivalizadeh, Kimia Farahmand, Kimia Kazemzadeh et al.

Depression is a prevalent comorbidity in cancer, yet conventional treatments show inconsistent efficacy. This review sought to provide a mechanism-based framework for managing cancer-related depression by exploring its unique pathophysiology and evaluating promising pharmacotherapies based on their alignment with these biological pathways. This narrative review synthesized evidence on promising...

Ketamine shows long‐term benefit in patients with treatment‐resistant depression

The Brown University Psychopharmacology Update May 1, 2026

Patients with treatment‐resistant depression who received a series of treatments with ketamine or esketamine showed a substantial reduction in emergency department visits related to suicidality over a 6‐month period, a study has found. Study participants had a 56.7% response rate of depression symptoms following the acute phase of treatment.

Is there an independant anti-suicidal effect of esketamine in treatment resistant depression?

Journal of Affective Disorders May 1, 2026 Michel Danon, Gabriela Ostronoff, Anne-Cécile Petit et al.

Regulatory approvals for intranasal esketamine in treatment-resistant depression (TRD) differ with respect to its indication for suicidal ideation. While rapid antidepressant effects are well documented, whether esketamine exerts an anti-suicidal effect independent of mood improvement remains unclear. In this two-center observational study, 261 adults with moderate-to-severe TRD at Sainte-Anne...

Ketamine Improves Anhedonic Phenotypes Across Species: Translational Evidence From the Probabilistic Reward Task.

Biological Psychiatry Global Open Science May 1, 2026 Mario Bogdanov, Jason N Scott, Shiba M Esfand et al. 1 citation

Ketamine is increasingly used as a therapeutic option for treatment-resistant depression (TRD) due to its rapid antidepressant properties; however, the mechanisms underlying these effects remain elusive. Preclinical evidence suggests ketamine acts on neural pathways implicated in reward processing, but translational efforts have proven challenging due to a lack of paradigms allowing for...

A comprehensive review of the clinical progress of esketamine: From anesthesia to antidepressant therapy.

Medicine May 1, 2026 Hai-Lin Hu, Qi-Zhou Huang, Ping-Xia Xie

Esketamine, the S-enantiomer of ketamine, has emerged as a rapid-acting antidepressant with unique mechanisms. This narrative review synthesizes current evidence on its clinical applications, safety, and regulatory status based on peer-reviewed literature published between January 2000 and March 2024, searched in PubMed, Web of Science, and the Cochrane Library. Esketamine exerts its effects...

Higher Neutrophil-to-Lymphocyte Ratio Is Associated With Better Response to Esketamine in Treatment-Resistant Depression: A Post Hoc Exploratory Analysis of Real-World Data.

Journal of Clinical Psychopharmacology May 1, 2026 Matteo Carminati, Mattia Tondello, Chiara Morana et al.

Growing evidence links inflammation with major depressive disorder (MDD) and treatment resistance. The neutrophil-to-lymphocyte ratio (NLR) has emerged as a simple peripheral marker of systemic inflammation and immune balance and it may capture clinically meaningful heterogeneity in inflammatory burden, potentially contributing to variability in antidepressant response and vulnerability to...

Ketamine and Esketamine in Neurology and Psychiatry: An Overview.

Cureus May 1, 2026 Amalesh S Honnekeri

Treatment-resistant depression (TRD) remains a significant clinical concern, particularly in patients who do not achieve adequate response with conventional antidepressant therapies. Ketamine and esketamine, which act on glutamatergic pathways, have been introduced into clinical practice as alternative therapeutic approaches within interventional psychiatry. This narrative review outlines key...

Predictors of therapeutic response to psychedelic-assisted therapy: A systematic review.

Journal of Psychopharmacology May 1, 2026 Grace Viljoen, Henrik Walter, Antonia Bendau et al. 3 citations

Psychedelic-assisted therapy (PAT) has demonstrated substantial efficacy across a range of mental disorders. However, heterogeneity between patients confers differential responsiveness. This systematic review aims to explore factors which may predict therapeutic responses to PAT. A systematic search was performed from inception through to March 2024 and studies that assessed predictors of...

A living systematic review, meta-analysis and open-data resource of randomized controlled trials of psilocybin treatment for symptoms of depression

Nature Mental Health May 1, 2026 S. Parker Singleton, Brooke L. Sevchik, Analiese Lahey et al. 2 citations

This study presents a living systematic review and open-data meta-analytic database from 15 randomized controlled trials examining the effects of psilocybin treatment on depressive symptoms. Existing evidence suggests that psilocybin treatment alleviates depressive symptoms. Depression is a major cause of disability worldwide, motivating interest in psilocybin as a potential treatment. Here we...

A Detailed Comparative Assessment of Two Treatment Procedures (Standard Selective Serotonin Reuptake Inhibitors and Rapid-Acting Therapies/Specifically Ketamine) For Patients Suffering from Treatment-Resistant Depression Along with Evaluating the Effectiveness of These Approaches in Alleviating Symptoms and Improving Patient Outcomes: An Original Research Study

International Journal of Drug Delivery Technology April 30, 2026 Dr. Dheerendra Kumar, Dr. Praveen Sachan, Dr. Piyush Verma

Aim This study aims to compare two treatment procedures (standard selective serotonin reuptake inhibitors and rapid-acting therapies/specifically ketamine) for patients suffering from treatment-resistant depression along with evaluating the effectiveness of these approaches in alleviating symptoms and improving patient outcomes. Materials and Methods This study examined 80 patients suffering...

The Effects of Body Scan Meditation on Depression, Anxiety, Stress, and Impulsivity among Alcohol-Related Offenders

The Correction Welfare Society of Korea April 30, 2026 The Correction Welfare Society Of Korea, Jiwoong Song, Hyunsuk Han

This study aimed to examine the effects of body scan meditation on depression, anxiety, stress, and impulsivity among alcohol-related offenders. A total of 30 inmates from A correctional facility in Jeonbuk Province were randomly assigned to either an experimental group or a control group. The experimental group participated in six sessions of body scan meditation over a two-week period. The...

Comparative effectiveness of Satipaṭṭhāna-based thought purification therapy, mindfulness-based cognitive therapy and treatment as usual in patients with depressive disorders: study protocol for a three-arm parallel-group superiority randomized controlled trial

International Journal of Clinical Trials April 29, 2026 Nikapitiye Nandarathana, Jay K. Ranjan, Hari S. Asthana et al.

Background: Depression is a significant global public health challenge, and mindfulness-based cognitive therapy (MBCT) is an evidence-based secular intervention for depression; however, it incorporates partially Buddhist mindfulness practices. The Satipaṭṭhāna-based thought purification therapy (SB-TPT) is a structured, seven-week intervention that integrates systematic contemplation of the...

Pharmacological augmentation in treatment-resistant depression: a neurobiologically informed, practical decision guide for treatment choice with lithium, quetiapine, or esketamine.

International Journal of Psychiatry in Clinical Practice April 29, 2026 David Eckert, Siegfried Kasper

The treatment of treatment-resistant depression (TRD) remains a clinical challenge. Pharmacologically, several augmentation options exist. The aim of this study was to present a mechanistically informed and clinically oriented decision-making framework for the established strategies of lithium, quetiapine, and esketamine. We conducted a narrative, non-systematic review, performing a targeted...

DOI: 10.1080/13651501.2026.2663307 (opens in new tab) Full text (opens in new tab) Esketamine Treatment-resistant depression trd Lithium Pharmacological augmentation +1

From synapse to strategy: a bibliometric map of ionotropic glutamate receptors in depression.

Naunyn-Schmiedeberg's Archives of Pharmacology April 28, 2026 Yunsheng Liu, Rongde Zhong, Fenyong Yao et al.

Depression is a leading global health burden increasingly linked to dysregulation in glutamatergic signaling. Ionotropic glutamate receptors (iGluRs), including NMDA, AMPA, and kainate subtypes, have emerged as pivotal therapeutic targets. However, the rapid expansion of literature has led to a fragmented research landscape, creating an urgent need for a structured overview. This study aims to...

Ketamine-related neural changes in treatment-resistant depression: A multimodal synthesis of fMRI and PET studies.

Journal of Affective Disorders April 28, 2026 Nesreen Sedeek, Carley Rivers, Lucas Williamson et al.

Ketamine produces rapid antidepressant effects in a subset of patients with treatment-resistant depression, yet neuroimaging findings have been difficult to integrate because studies differ in imaging modality, analytic approach, task context, and post-infusion timing. To address this, we conducted a multimodal synthesis of functional magnetic resonance imaging (fMRI) and positron emission...

Baseline EEG Temporal Dynamics as a Thalamic Filter State Biomarker: A Thalamic Filter Model Account of Ketamine Antidepressant Response Prediction and Depression as Thalamic Over-Filtering

Zenodo (CERN European Organization for Nuclear Research) April 27, 2026 Ryan Malone preprint

Treatment-resistant depression (TRD) affects approximately 30% of major depressive disorder(MDD) cases and represents a major unmet clinical need. Ketamine produces rapid antidepressanteffects in TRD, but response is variable and no validated biomarker predicts who will respond.Multiple independent studies have now shown that baseline EEG features -- particularly vigilancestage distribution and...

DOI: 10.5281/zenodo.19818580 (opens in new tab) Ketamine Baseline sea Electroencephalography Filter signal processing +2

Repeated intranasal esketamine augmentation in treatment-resistant obsessive-compulsive disorder with comorbid major depressive disorder: a prospective case series.

BMC Psychiatry April 26, 2026 Sergi López-rodríguez, Cinto Segalàs, Eva Real et al.

BACKGROUND: Patients with obsessive–compulsive disorder (OCD) and comorbid major depressive disorder (MDD) represent a severe subgroup with increased treatment resistance, greater functional impairment, and limited therapeutic options. Intranasal esketamine is a rapidly acting treatment for resistant depression, with emerging interest in potential anti-obsessional effects. However, prospective...

DOI: 10.1186/s12888-026-08119-5 (opens in new tab) Full text (opens in new tab) Major depressive disorder Comorbidity Intranasal esketamine Obsessive–compulsive disorder +2

Media hype regarding psychedelic treatments for depression and PTSD from 2017 to 2024

Scientific Reports April 25, 2026 Audrey G. Evers, Elizabeth C. Stade, Aadesh Salecha et al. 1 citation

Enthusiastic media coverage of psychedelics as a treatment for mental health disorders is perceived as hyped compared to coverage of established treatments. To measure potential hype, we conducted pre-registered analyses comparing media coverage (e.g., newspaper articles) of psychedelics to FDA-approved antidepressants for major depressive disorder and posttraumatic stress disorder. We used...

DOI: 10.1038/s41598-026-50186-x (opens in new tab) Full text (opens in new tab) Anxiety Depression economics Media coverage Mental health +9

Treatment of major depressive disorder and treatment resistant depression with 5-MeO-DMT: Impact of 25 years of non-traditional public scientific communication and education on clinical development and commercialization

Psychedelics April 25, 2026 Juliet Meccia, David Casimir, Sisi Li et al.

Over the past 25 years, the use of 5-MeO-DMT in informal and underground settings has contributed a substantial, yet underrecognized, body of knowledge relating to the efficacy of 5-MeO-DMT in alleviating depressive symptoms. Traditional models of drug development, typically characterized by structured trials and regulatory milestones, rarely consider findings from these alternative routes. The...

Preliminary evidence that serum interleukin-6 is a candidate biomarker of response to esketamine in treatment-resistant depression.

Journal of Psychopharmacology April 24, 2026 Marco Colizzi, Elisa Morandin, Veronica Croccia et al.

Interleukin-6 (IL-6) has been implicated as a potential predictor of ketamine response in treatment-resistant depression (TRD). Esketamine, the S-enantiomer of ketamine, produces rapid antidepressant effects and offers improved safety and intranasal administration. To examine whether baseline IL-6 predicts treatment response to esketamine in individuals with TRD. Fourteen adults with TRD...