OOIR: Observatory of International Research

Papers

(The median citation count of Pharmacopsychiatry is 0. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
	144
Challenges Related to the Implementation of Measurement-Based Care for the Treatment of Major Depressive Disorder: A Feasibility Study	53
Increased Odds of Cognitive Impairment in Adults with Depressive Symptoms and Antidepressant Use	45
Early Treatment-Resistance in First Episode Psychosis	23
5-HTTLPR-rs25531 and Antidepressant Treatment Outcomes in Korean Patients with Major Depression	20
Pharmacological Treatment of Autism Spectrum Disorder: A Systematic Review of Treatment Guidelines	18
Serious Adverse Drug Reactions in Children and Adolescents Treated On- and Off-Label with Antidepressants and Antipsychotics in Clinical Practice	16
Therapeutic Drug Monitoring of Cariprazine – Updated Values for a Dose-Related Reference Range	16
Effect of Quetiapine, from Low to High Dose, on Weight and Metabolic Traits: Results from a Prospective Cohort Study	15
	14
Association between Adherence to SSRI Treatment and Mortality among Individuals with Metabolic Syndrome Components	14
Valproic Acid Induced Thrombocytopenia in an Elderly Man with Schizoaffective Disorder: A Case Report	13
The Therapeutic Potential of Pimavanserin in the Treatment of Hallucinogen Induced Psychosis and Persistent Perceptual Symptoms	13
The Role of Circadian Rhythmicity and CLOCK Genes in Psychiatry	13
Human Derived Dermal Fibroblasts as in Vitro Research Tool to Study Circadian Rhythmicity in Psychiatric Disorders	12
Challenges and Ethical Considerations to Successfully Implement Artificial Intelligence in Clinical Medicine and Neuroscience: a Narrative Review	11
Correction: An International Adult Guideline for Making Clozapine Titration Safer by Using Six Ancestry-Based Personalized Dosing Titrations, CRP, and Clozapine	10
Twenty-Three Years of Declining Lithium Use: Analysis of a Pharmacoepidemiological Dataset from German-Speaking Countries	9
An Oppositional Tolerance Account for Potential Cognitive Deficits Caused by the Discontinuation of Antidepressant Drugs	9
Clinical Outcomes after Clozapine Discontinuation in Patients with Schizophrenia: A Systematic Review	9
Selective Serotonin Reuptake Inhibitors may Influence COVID-19 Prognosis through Antioxidant and Cytoprotective Pathways Mediated by Sigma 1 Receptor Agonism	8
Exposure to Psychotropic Drugs and Colorectal Cancer Risk in Patients with Affective Disorder: A Nested Case-Control Study	8
2001–2021 Comparative Persistence of Oral Antipsychotics in Patients Initiating Treatment: Superiority of Clozapine in Time-to-Treatment Discontinuation	7
Comparable Psychotropic Prescription Rates After Hospital Discharge Between Patients with COVID-19 and Those With Non-COVID-19-Related Respiratory Infection	6
Integrative Genetic Variation, DNA Methylation, and Gene Expression Analysis of Escitalopram and Aripiprazole Treatment Outcomes in Depression: A CAN-BIND-1 Stu	6

SARS-CoV-2-Infection in People Addicted to Illegal Drugs – Is There a Protective Effect of Opioid Maintenance Treatment?	5
Effectiveness of Medical Cannabis for the Treatment of Depression: A Naturalistic Outpatient Study	5
Implications of Online Self-Diagnosis in Psychiatry	5
Blood Cell Count Ratios at Baseline are Associated with Initial Clinical Response to Clozapine in Treatment-Resistant, Clozapine-Naïve, Schizophrenia-Spectrum D	5
Augmentation of Electroconvulsive Therapy with Oral Caffeine: A Retrospective Analysis of 40 Patients with Major Depression	5
	5
„AGNP-Preis für Forschung in der Psychopharmakologie“ in Höhe von 5.000 €	4
COVID-19: Risks, Complications, and Monitoring in Patients on Clozapine	4
The Role of Mood Stabilizers in Children and Adolescents with Anorexia Nervosa: A 1-year Follow-Up, Propensity Score-Matched Study	4
Baseline Working Memory Predicted Response to Low-Dose Ketamine Infusion in Patients with Treatment-Resistant Depression	4
	4
Life-time Actionable Pharmacogenetic Drug Use: A Population-based Cohort Study in 86 040 Young People With and Without Mental Disorders in Denmark	4
Strategies and Management for Psychiatric Drug Withdrawal: A Systematic Review of Case Reports and Series	4
Cannabinoids for Behavioral Symptoms in Dementia: An Overview	3
	3
The Mini-TRH Test	3
Overview: Chronic Pain and Cannabis-Based Medicines	3
The Relevance of Integrating CYP2C19 Phenoconversion Effects into Clinical Pharmacogenetics	3
Advancements in Non-Dopaminergic Treatments for Schizophrenia: A Systematic Review of Pipeline Developments	3
Correction: Electroconvulsive Therapy Versus Aripiprazole Addition to Clozapine in Patients with Clozapine-Resistant Symptoms (EMECLO): A Protocol of a Single-Blind, Multicenter, R	3
Does Lidocaine Shorten Seizure Duration in Electroconvulsive Therapy?	3
Anti-SARS-CoV-2 Action of Fluvoxamine may be Mediated by Endothelial Nitric Oxide Synthase	2
Classic Psychedelic Coadministration with Lithium, but Not Lamotrigine, is Associated with Seizures: An Analysis of Online Psychedelic Experience Reports	2
Medicinal Use of Different Cannabis Strains: Results from a Large Prospective Survey in Germany	2
Pharmacological Treatment of Early-Onset Schizophrenia: A Critical Review, Evidence-Based Clinical Guidance and Unmet Needs	2
Dexmedetomidine in Psychiatry: Repurposing of its Fast-Acting Anxiolytic, Analgesic and Sleep Modulating Properties	2
	2
Identification of Endocannabinoid Predictors of Treatment Outcomes in Major Depressive Disorder: A Secondary Analysis of the First Canadian Biomarker Integratio	2
Novel Antidepressants in the Pipeline (Phase II and III): A Systematic Review of the US Clinical Trials Registry	2
Revisiting the World’s Strictest COVID-19 Lockdown: Formidable Mental Health Challenges	2
Metformin is Protective Against the Development of Mood Disorders	1
Drug-drug Interactions between COVID-19 Treatments and Antidepressants, Mood Stabilizers/Anticonvulsants, and Benzodiazepines: Integrated Evidence from 3 Databases	1
Effects of Pharmacokinetic Gene Variation on Therapeutic Drug Levels and Antidepressant Treatment Response	1
Factors Associated with Medication Adherence to Long-Acting Injectable Antipsychotics: Results from the STAR Network Depot Study	1
	1
Monitoring Anesthetic Depth Using the Patient State Index in Electroconvulsive Therapy Improves Seizure Quality	1
Correction: Lithium Therapy in Old Age: Recommendations from a Delphi Survey	1
Epigenetics for Drug Discovery: Dissecting the Effect of High Antipsychotic Dosage and D2 Blockage on Peripheral DNA Methylation	1
Impact of Psychiatric and Related Somatic Medications on the Duration and Severity of COVID-19: A Retrospective Explorative Multi-center Study from the German M	1
	1
Longitudinal Digital Mood Charting in Bipolar Disorder: Experiences with ChronoRecord Over 20 Years	1
Psychedelics: A New Treatment Paradigm in Psychiatry?	1
„Peter Müller Preis für Forschung im Bereich Schizophrenie“ in Höhe von 5.000€	1
Antipsychotic Monotherapy for Major Depressive Disorder: A Systematic Review and Meta-Analysis	1
Candidate Psychotropics against SARS – CoV – 2: A Narrative Review	1
	0
Covid-19: Contributions from Psychopharmacology	0
	0
COVID-19 Prognosis in Association with Antidepressant Use	0
Low Escitalopram Concentrations in Patients with Depression predict Treatment Failure: A Naturalistic Retrospective Study	0

	0
Perceptions, Experiences, and Patterns of Cannabis Use in Individuals with Mood and Anxiety Disorders in the Context of Cannabis Legalization and Medical Cannab	0
Xanomeline-Trospium for Adults with Schizophrenia Experiencing Acute Psychosis: A Systematic Review and Meta-analysis of Safety and Tolerability Outcomes	0
Risk Phenotypes, Comorbidities, Pharmacotherapy, and Electroconvulsive Therapy (ECT) in a Cohort with Difficult-to-Treat Depression in Comparison to an Unmedica	0
Aripiprazole Once-Monthly Versus Oral Aripiprazole for Schizophrenia in the Maintenance Phase: A Systematic Review and Network Meta-Analysis	0
ABC Family Gene Polymorphisms and Cognitive Functions Interact to Influence Antidepressant Efficacy	0
Factors Associated with Antidepressant Effects of Ketamine: A Reanalysis of Double-Blind Randomized Placebo-Controlled Trial of Intravenous Ketamine for Treatme	0
	0
Rapid Antidepressant and Antisuicidal Effects of Low-Dose Ketamine Infusion in Patients With Treatment-Resistant Depression With or Without Low-Grade Inflammati	0
Expression Biomarkers of Pharmacological Treatment Outcomes in Women with Unipolar and Bipolar Depression	0
Establishing Core Symptoms of Acute Serotonin Reuptake Inhibitor Withdrawal: Results from an International Survey of Online Peer-Support Communities	0
Pentoxifylline as a Novel Add-on Therapy for Major Depressive Disorder in Adult Patients: A Randomized, Double-Blind, Placebo-Controlled Trial	0
Digital Phenotyping and Mobile Sensing in Addiction Psychiatry	0
Comparison of Sodium Lactate Infusion and Carbon Dioxide Inhalation Panic Provocation Tests: A Meta-analysis	0
News on the Role of Antidepressants in and for COVID-19 and Long COVID	0
Ausschreibung Peter Müller Preis für Forschung im Bereich Schizophrenie	0
Morphological Representation of C1q in the Aging Central Nervous System	0
	0
Systematic Review and Meta-Analysis of L-Methylfolate Augmentation in Depressive Disorders	0
Interpersonal Needs, Mental Pain, and Hopelessness in Psychiatric Inpatients with Suicidal Ideation	0
Withanone Ameliorates Stress Symptoms in Caenorhabditis Elegans by Acting through Serotonin Receptors	0
	0
Unraveling the Influence of Age, IQ, Education, and Negative Symptoms on Neurocognitive Performance in Schizophrenia: A Conditional Inference Tree Analysis	0
GABAergic Effects of Etifoxine and Alprazolam Assessed by Double Pulse TMS	0
Medical Cannabis Legalization: No Contribution to Rising Stimulant Rates in the USA	0
Rationale, Mission and Vision for a National Centre of Affective Disorders in Germany	0
Patient Perspectives on Pharmacotherapy of Alcohol Dependence	0
Precision Psychiatry Approach to Treat Depression and Anxiety Targeting the Stress Hormone System – V1b-antagonists as a Case in Point	0
The Effect of Electroconvulsive Therapy on Specific Catatonia Symptoms and Predictors of Late Response	0
Linkage of Young Mania Rating Scale to Clinical Global Impression Scale to Enhance Utility in Clinical Practice and Research Trials	0
How to Improve Methodological Issues in Clinical Trials to Confirm that Pentoxifylline is Useful as an Add-on Therapy for Major Depressive Disorder	0
Medical Cannabis in Psychiatry	0
Ausschreibung Peter Müller Preis für Forschung im Bereich Schizophrenie	0
Classic Psychedelic Drugs: Update on Biological Mechanisms	0
	0
DNA Methylation of POMC and NR3C1-1F and Its Implication in Major Depressive Disorder and Electroconvulsive Therapy	0
Cannabinoids in the Treatment of Selected Mental Illnesses: Practical Approach and Overview of the Literature	0
Impact of Antipsychotic Medications on Weight Gain and Eating Disorder-Related Psychopathology in Adult Inpatients with Anorexia Nervosa	0
High Prescribing and State-Level Variation in Z-Drug Use Among Medicare Patients	0
The Potential Role of Psychedelic Drugs in Mental Health Care of the Future	0
	0
Cariprazine Orodispersible Tablet: A New Formulation for Cariprazine	0
Effects of Early Clozapine Treatment on Remission Rates in Acute Schizophrenia (The EARLY Trial): Protocol of a Randomized-Controlled Multicentric Trial	0
Prevalence of COVID-19 and Psychotropic Drug Treatment in Psychiatric In-patients in Germany in 2020: Results from a Nationwide Pilot Survey	0
Management of Refractory Functional Gastrointestinal Disorders: What Role Should Psychiatrists Have?	0
Activation of Hippocampal Neuronal NADPH Oxidase NOX2 Promotes Depressive-Like Behaviour and Cognition Deficits in Chronic Restraint Stress Mouse Model	0
Opportunities for Drug Repurposing of Serotonin Reuptake Inhibitors: Potential Uses in Inflammation, Infection, Cancer, Neuroprotection, and Alzheimer’s Disease	0
	0
Failing Memory in Nonaffective Psychosis and Prolactin Response to 12.5 µg i.v. TRH	0
Serious Adverse Drug Reactions to Antipsychotics in Minors with Multiple Disabilities: Preventability and Potential Cost Savings by Therapeutic Drug Monitoring	0
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Drug Combinations for Mood Disorders and Physical Comorbidities That Need Attention: A Cross-Sectional National Database Survey	0
	0
Impact of Parkinson Medication on Neuropsychiatric and Neurocognitive Symptoms in Patients with Advanced Parkinson Disease Prior to Deep Brain Stimulation	0
Electroconvulsive Therapy Versus Aripiprazole Addition to Clozapine in Patients with Clozapine-Resistant Symptoms (EMECLO): A Protocol of a Single-Blind, Multic	0
Risperidone-Induced Leukoneutropenia: Evidence from a Positive Rechallenge and Review of the Literature	0
	0
Recreational Cannabis Legalization: No Contribution to Rising Prescription Stimulants in the USA	0
A Possible Type IV Hypersensitivity Reaction to Older Antiepileptic Drugs During and After Recovery from COVID-19 Infection	0
Neuropsychiatric Drugs Against COVID-19: What is the Clinical Evidence?	0
Association of Four Medication Classes and Non-suicidal Self-injury in Adolescents with Affective Disorders – A Retrospective Chart Review	0
	0
	0
Cannabidiol and its Potential Evidence-Based Psychiatric Benefits – A Critical Review	0
Lithium Therapy in Old Age: Recommendations from a Delphi Survey	0
Diversion and Abuse of Prescribed Methylphenidate – A Survey of an Outpatient Clinic for Adult Persons with ADHD	0
Endocannabinoid Modulation Using Monoacylglycerol Lipase Inhibition in Tourette Syndrome: A Phase 1 Randomized, Placebo-Controlled Study	0
Clozapine-Induced Stuttering: Case Report and Literature Review	0
	0
Development of a Genetic Test Indicating Increased AVP/V1b Signalling in Patients with Acute Depression	0
Discontinuation Rate of Lurasidone and Quetiapine Extended Release in Bipolar Depression	0
Association Study Between DRD2, DRD3 Genetic Polymorphisms and Adverse Reactions in Chinese Patients on Amisulpride Treatment	0
Evaluation of E-Cigarette Use in Opioid-Dependent Patients in Maintenance Treatment	0
	0
An International Adult Guideline for Making Clozapine Titration Safer by Using Six Ancestry-Based Personalized Dosing Titrations, CRP, and Clozapine Levels	0
Influence of NOS1AP Risk Variants on the Corrected QT (QTc) Interval in the Pharmacotherapy of Schizophrenia	0
A Trajectory of Long-Term Antipsychotic Medication Dosage in Inpatients with Severe Behavioral and Psychological Symptoms of Dementia: A Retrospective Study	0
Effects of Anesthesia Changes During Maintenance ECT: A Longitudinal Comparison of Seizure Quality Under Anesthesia Using Propofol/Esketamine Versus Methohexita	0