Mood Disorders
Recent clinical, regulatory, research and industry developments relating to this disease.
Mood Disorders: The Gut Bacteriome and Beyond.
Circadian rhythm disruption and mental health.
Revisiting the Stress Concept: Implications for Affective Disorders.
Psoriasis and comorbid diseases: Epidemiology.
Psychedelics in the treatment of unipolar mood disorders: a systematic review.
American Medical Society for Sports Medicine position statement: concussion in sport.
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
- 2 clinical trials expected to report results, the earliest in Q3 2027.
Clinical MilestonesViewHide
- 2026-07-10An Investigation of the Antidepressant Effects of (2R,6R)-HNK, an Enhancer of Synaptic Glutamate Release, in Treatment-Resistant DepressionResults expected Q3 2027
- 2026-01-28Accelerated vs. Conventional Theta Burst Stimulation for Late-life DepressionResults expected Q4 2029
- 2026-07-28ClinicalPsilocybin-Assisted Psychotherapy for Treatment-Resistant Depression: A Randomized Phase II Clinical Trial Comparing One Versus Two Psychedelic Doses of Psilocybin (PSI-1V2)Primary completion
- 2026-07-10ClinicalAn Investigation of the Antidepressant Effects of (2R,6R)-HNK, an Enhancer of Synaptic Glutamate Release, in Treatment-Resistant DepressionResults expected Q3 2027
- 2026-01-28ClinicalAccelerated vs. Conventional Theta Burst Stimulation for Late-life DepressionResults expected Q4 2029
Research-associated treatments
Drugs and agents co-studied with this disease across the research literature — associative, not necessarily established treatments. Number shows shared papers.
Clinical trials
The current development programme across all trial phases.
Research activity
Key research shaping understanding of this disease, combining the latest publications with the most influential evidence.
Major themes8
- Major Depressive Disorder3
- Bipolar Disorder2
- Mood Disorders2
- Circadian Clocks1
- Circadian Rhythm1
- Depression, Postpartum1
- Diabetes Mellitus, Type 21
- Gastrointestinal Microbiome1
Leading journals6
- Biological psychiatry1
- Brain structure & function1
- British journal of sports medicine1
- Expert review of clinical immunology1
- Journal of psychopharmacology (Oxford, England)1
- Journal of the American Academy of Dermatology1
Leading researchers8
- Agarwal SM1
- Akil H1
- Alvarez-Mon M1
- Alvarez-Mon MA1
- Barrena-Blázquez S1
- Benedetti F1
- Bergink V1
- de Manincor M1
Affiliations (unnormalised)6
- Center for Biomedical Research in the Mental Health Network1
- Center for Clinical Epidemiology and Biostatistics1
- Center for Depression Research and Clinical Care1
- Centre for Addiction and Mental Health1
- Centre for Youth Bipolar Disorder1
- Eastern Virginia Medical School1
Related conditions
Diseases frequently studied alongside this one. Number shows shared papers.
Disease profile
A grounded synthesis of the condition — overview, causes, mechanism, risk factors and current standard of care.
Mood disorders are disorders in which disturbance of mood is the predominant clinical feature. The supplied literature frames them as a broad group that includes unipolar depressive disorders and related affective conditions.
The grounding supports a multifactorial etiology rather than a single cause. Reported contributors include stress-related neurobiology, circadian rhythm disruption, and shared inflammatory pathways in comorbid disease contexts; the literature also notes that the pathogenesis remains incompletely understood.
The literature emphasizes altered brain circuits involved in emotional regulation, including the medial prefrontal cortex, amygdala, hippocampus, and ventromedial basal ganglia. It also describes changes in grey matter volume and neurophysiological activity, along with disrupted circadian clock-controlled responses and stress-related effects on neuroplasticity.
Circadian disruption is a supported risk factor, including jet lag, night-shift work, and exposure to artificial light at night. The grounding also indicates susceptibility in individuals exposed to ongoing stress and suggests shared inflammatory and genetic factors in some comorbid settings.
Treatment is described at the modality level as psychiatric management for mood disorders, with current care noted to be suboptimal in many cases. The supplied review literature also discusses psychedelic-assisted approaches, including lysergic acid diethylamide and psilocybin, as investigational or studied treatments in medically controlled environments rather than established routine care.
AI-generated summary grounded in MeSH and 6 peer-reviewed sources. Informational only — not medical advice. Generated 2026-07-07.
Reference
Authoritative identity, definition & identifiers.
Those disorders that have a disturbance in mood as their predominant feature.
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Research activity — Europe PMC (EMBL-EBI) + OpenAlex-derived paper links
- Related entities are derived from literature co-mention (studied together) — associative, not causal.