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Ole A. Andreassen

University of Zurich · CH
Area of research
Psychiatry and Mental health · Genetics
Research interest
Research interests include Genetic Associations and Epidemiology, Schizophrenia research and treatment, Functional Brain Connectivity Studies, and Bipolar Disorder and Treatment.
h-index
157
citations
152,135
works
2,255
NIH funding
primary concept
email

Recent publications

Mapping the genetic landscape across 14 psychiatric disorders.
2026cited by 17position: contributordoi
MDMA-assisted therapy as a treatment for major depressive disorder: proof of principle study - CORRIGENDUM.
2026cited by 1position: contributordoi
MDMA-assisted therapy for major depressive disorder: A seven-month follow-up proof of principle trial
Journal of Psychiatric Research 2026cited by 1position: contributordoi
MDMA-assisted psychotherapy in major depression: critical considerations for clinical translation: commentary, Kvam et al.
2026cited by 0position: contributordoi
Genetic overlap and shared risk loci between autism spectrum disorder and cardiometabolic traits.
2026cited by 0position: contributordoi
White matter microstructure differences between 15q11.2 copy number variation carriers and non-carriers in mid-to-late life.
2026cited by 0position: contributordoi
Genetic pathways linking oxytocin-vasotocin hypothalamic subunit architecture with psychiatric and metabolic traits.
2026cited by 0position: contributordoi
Intra-familial dynamics of mental distress during the Covid-19 lockdown.
2026cited by 0position: contributordoi
Gene dosage effects of 22q11.2 copy number variants on in-vivo measures of white matter axonal density and dispersion.
2026cited by 0position: contributordoi
Leveraging the genetics of psychiatric disorders to prioritize potential drug targets and compounds.
2026cited by 0position: contributordoi
An ENIGMA Consortium study of the relationship between white matter microstructure and positive and negative symptom severity in patients with schizophrenia.
2026cited by 0position: contributordoi
A five-year risk prediction model of cardiovascular disease in individuals with bipolar disorder: a nationwide register study from Sweden.
2026cited by 0position: contributordoi
Thalamic nuclei volumes across psychiatric and neurological disorders: a multi-site magnetic resonance imaging study.
2026cited by 0position: contributordoi
A pattern-learning algorithm associates copy number variations with brain structure and behavioural variables in an adolescent population cohort.
2026cited by 0position: contributordoi
Relationship between N100 amplitude and T1w/T2w-ratio in the auditory cortex in schizophrenia spectrum disorders.
2026cited by 0position: contributordoi
Associations of polygenic risk scores for major depression and depression severity: an investigation of 105 623 individuals with 16 years follow-up.
2026cited by 0position: contributordoi
Cortical morphometry might predict currently prescribed vs. discontinued medications in bipolar disorder, even after controlling for the cumulative dose effects: An ENIGMA mega-analysis
Molecular Psychiatry 2026cited by 0position: contributordoi
Local chemoarchitecture explains widespread lower cortical thickness associated with clinical high risk for psychosis.
2026cited by 0position: contributordoi
Psychotropic medications and their interactions with subcortical brain volume in bipolar disorder: An ENIGMA mega-analysis
Molecular Psychiatry 2026cited by 0position: contributordoi
Structural covariance network topology in individuals at clinical high risk for psychosis: the ENIGMA-CHR Study.
2026cited by 0position: contributordoi
Genome-Wide Association Analysis of Tic Disorders Reveals 6 Independent Risk Loci and Highlights Tic-Associated Cell Types and Brain Circuitry
2026cited by 0position: contributordoi
Copy number variants reveal divergent genetic and diagnostic cortical signatures across psychiatric disorders
2026cited by 0position: contributordoi
Transforming treatment-resistant depression care in Norway: Public health reimbursement for off-label intravenous ketamine
Drug Science, Policy and Law 2026cited by 0position: contributordoi
Genome-wide association study identifies a functional myostatin variant increasing lean mass in humans
2026cited by 0position: contributordoi
Sex differences in genetic pathways underlying ischaemic heart disease–depression comorbidity
2026cited by 0position: contributordoi
Cerebral cortical alterations in adolescent early-onset psychosis: a surface-based morphometry mega-analysis
Molecular Psychiatry 2026cited by 0position: contributordoi
MRI-based volume assessments show no changes in hippocampus, amygdala, thalamus and brainstem subregions in narcolepsy type 1
2026cited by 0position: contributordoi
Germline polygenic score for prostate cancer aggressiveness
2026cited by 0position: contributordoi
The genetics of common epilepsies
Genomic Psychiatry 2026cited by 0position: contributordoi
Genomics link obesity and type 2 diabetes to Alzheimer’s disease to unveil novel biological insights
2026cited by 0position: contributordoi

Grants

No grants ingested yet.

Frequent collaborators

· 383 papers (2019–2026)Anders M. Dale · Oslo University Hospital146 papers (2012–2026)Lars T. Westlye · University of Oslo119 papers (2019–2026)Olav B. Smeland · Sørlandet Sykehus70 papers (2019–2026)Srdjan Djurovic · Central Institute of Mental Health66 papers (2019–2025)Oleksandr Frei · Centre for Advanced Study62 papers (2019–2026)Tobias Kaufmann · TH Bingen University of Applied Sciences55 papers (2019–2026)Srdjan Djurovic · Oslo University Hospital51 papers (2012–2025)Dennis van der Meer · Alzheimer’s Disease Neuroimaging Initiative48 papers (2019–2025) · 46 papers (2019–2026)Alexey A. Shadrin · Tyumen State Medical University43 papers (2019–2025)Oleksandr Frei · University of Oslo39 papers (2017–2025)Olav B. Smeland · Oslo University Hospital35 papers (2016–2025)Nils Eiel Steen · Centre for Addiction and Mental Health34 papers (2020–2026)Alexey Shadrin · University of Oslo32 papers (2019–2025)Dag Alnæs · OsloMet – Oslo Metropolitan University28 papers (2019–2026)Guy Hindley · University of Oslo28 papers (2021–2026)Kevin S. O’Connell · Neurobehavioral Systems26 papers (2019–2025)Alexandra Havdahl · Danish Cancer Society25 papers (2021–2026)Ingrid Agartz · Oslo University Hospital25 papers (2012–2024)