OOIR: Observatory of International Research

Papers

(The median citation count of Human Psychopharmacology-Clinical and Experimental 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 2022-01-01 to 2026-01-01.)

Article	Citations
	32
The prevalence of constipation in adult psychiatric out‐patients on clozapine treatment at a regional public hospital in Hong Kong	31
	29
Clinical predictors of depressive symptom remission and response after racemic ketamine and esketamine infusion in treatment‐resistant depression	17
Effect of fasedienol (PH94B) pherine nasal spray and steroidal hormones on electrogram responses and autonomic nervous system activity in healthy adult volunteers	12
A Naturalistic Examination of the Acute Effects of High‐Potency Cannabis on Emotion Regulation Among Young Adults: A Pilot Study	11
A diffusion tensor imaging study in schizophrenia patients with clozapine induced obsessive compulsive symptoms	11
	9
Bupropion and Anxiety: A Brief Review	9
Effects of the active botanical blend “WKUP GT” on attention and cognitive functions after lunch in healthy volunteers	8
Factors influencing concentrations of risperidone and 9‐hydroxyrisperidone in psychiatric outpatients taking immediate‐release formulations of risperidone	8
Anxiolytic Medication Use in Low‐ Middle‐ and High‐Income Countries: A World Mental Health Surveys Report	8
Becoming More Precise in Psychiatry: Signposts, Destinations, Maps and Territories	8
Could R‐Ketamine and Wolfram Syndrome Inform Understanding of Depression and Suicidality? A Sigma‐1 Receptor‐Based Perspective	7
	7
Efficacy and safety of hydroxyzine for sleep in adults: Systematic review	7
Reply to: 5‐MeO‐DMT has not been found in traditional ayahuasca preparations and the combination of 5‐MeO‐DMT with MAOIs is dangerous	7
Effects of COVID‐19 Lockdowns on Alcohol Consumption, Hangovers and Smoking Among Young Adults ( n = 140) in Germany: An On‐Line Study	7
Issue Information	7
Analysis of schizophrenia‐associated genetic markers in the HLA region as risk factors for tardive dyskinesia	6
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Hypothalamic‐pituitary‐adrenal and autonomic response to psychological stress in abstinent alcohol use disorder individuals with and without depressive symptomatology	6
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Corrigendum	5
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Dexamphetamine increased speech and visual unimodal illusions in healthy participants without affecting temporal binding window	4
Efficacy and safety of lemborexant as an alternative drug for patients with insomnia taking gamma‐aminobutyric acid–benzodiazepine receptor agonists or suvorexant	4
Billy Mackenzie: Sometimes Wild, Often Lonely	3
Nx4 attenuated stress‐induced activity of the anterior cingulate cortex—A post‐hoc analysis of a randomized placebo‐controlled crossover trial	3
The impact of adjunctive aripiprazole on QT interval: A 12‐week open label study in patients on olanzapine, clozapine or risperidone	3
Nick Drake: A Troubled Mind, a Troublesome ‘Cure’	3
Efficacy and acceptability of adjunctive n‐acetylcysteine for psychotic disorders: Systematic review and meta‐analysis	3
Safety and efficacy of Withania somnifera for anxiety and insomnia: Systematic review and meta‐analysis	3
Alcohol Consumption During the COVID‐19 Pandemic: A Critical Review	3
Immunomodulatory Potential of Escitalopram on C‐C Motif Chemokine Ligand 5 and Fibroblast Growth Factor 2 in Patients With Generalised Anxiety Disorder	3
	3
Facilitated extinction of conditioned fear responses by delta 9‐tetrahyrdrocannabidol in humans: a pilot study	3
Issue Information	2
Corrigendum	2
National Prescribing Trends and Cost Analysis of Antidepressants, Anxiolytics, and Hypnotics in England, 2010–2023	2
Exploring the understanding, source of availability and level of access of cognitive enhancers among university students in the United Arab Emirates: A qualitative study	2
How Should Non‐Prescribed Use of Gabapentinoids be Reduced in Psychiatric Practice?	2
Issue Information	2
	2
‘Nico’—A lone voyager in Strange Seas	2
Obstacles to treatment retention in opioid use disorder: An international substance use disorder treatment worker survey	2
Effects of Caffeine and Stress on Persistence and Performance in an Unsolvable Visual Search Task in Humans	1
Antipsychotic‐Treated Schizophrenia Patients Develop Inflammatory and Oxidative Responses Independently From Obesity: However, Metabolic Disturbances Arise From Schizophrenia‐Related Obesity	1
Can antidepressant use be associated with emotional blunting in a subset of patients with depression? A scoping review of available literature	1
Plasma levels of interleukin‐8 and response to paroxetine in patients with major depressive disorder	1
Trajectories of sentiment in 11,816 psychoactive narratives	1
	1
	1
Bi‐directional and multi‐modal effects of dexamphetamine on spatial binding windows in healthy individuals	1
Evaluation of memantine's efficacy and safety in the treatment of children with autism spectrum disorder: A systematic review and meta‐analysis	1
Inflammatory markers at baseline correlate with subsequent clinical response to quetiapine in patients with bipolar disorder	1
SSRIs in the course of COVID‐19 pneumonia: Evidence of effectiveness of antidepressants on acute inflammation. A retrospective study	1
Role of serotonin transporter and receptor gene polymorphisms in treatment response to selective serotonin reuptake inhibitors in major depressive disorder	1
N,N‐dimethyltryptamine and Amazonian ayahuasca plant medicine	1
	1
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Lithium in bipolar depression: A review of the evidence	0
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Efficacy of the nootropic supplement Mind Lab Pro on memory in adults: Double blind, placebo‐controlled study	0
Aroma of the essential oil of peppermint reduces aggressive driving behaviour in healthy adults	0
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Efficacy of tiapride in the treatment of psychiatric disorders: A systematic review	0
The chemical induction of synaesthesia	0
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Oral intake of carboxy alkyl ester improves attention: A randomized double‐blind cross‐over placebo‐controlled study	0
Dexamphetamine influences funneling illusion based on psychometric score	0
Baseline Exposure to Antipsychotic Medication in Young People at Clinical High Risk for Psychosis: A 2‐Year Italian Follow‐Up Study	0
A Randomized Placebo‐Controlled Clinical Trial Exploring the Short‐Term Cognitive and Cerebrovascular Effects of Consuming Peppermint Tea: A Mediation Study	0

Efficacy and safety of endoxifen in bipolar disorder: A systematic review	0
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	0
5‐MeO‐DMT has not been found in traditional ayahuasca preparations and the combination of 5‐MeO‐DMT with MAOIs is dangerous	0
Effects of ayahuasca on the endocannabinoid system of healthy volunteers and in volunteers with social anxiety disorder: Results from two pilot, proof‐of‐concept, randomized, placebo‐controlled trials	0
Systematic reviews of the acute effects of amphetamine on working memory and other cognitive performances in healthy individuals, with a focus on the potential influence of personality traits	0
Efficacy of Intranasal Esketamine in Treatment‐Resistant Depression: A Six‐Month Real‐World Follow‐Up Study of Depressive Symptoms, Hopelessness, and Suicide Risk	0
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Issue Information	0
Comparative evaluation of craving, sleep quality, sexual function and quality of life in opioid use disorder patients in remission with buprenorphine/naloxone maintenance treatment	0
Scopolamine's Anticholinergic Effects on EEG Spectral, Aperiodic, Complexity, Microstates, and Heart Rate Variability	0
A narrative review of the neuropharmacology of synthetic cathinones—Popular alternatives to classical drugs of abuse	0
	0
Aroma of Genius Essential Oil Blend Significantly Enhances Cognitive Performance and Brain Metabolism in Healthy Adults	0
Experience and views of healthcare professionals towards people who use new psychoactive substances: Evidence from statutory, non‐statutory, and private mental health and addiction healthcare services	0
Can placebo or nocebo pills improve or impair cognition performance?	0
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Psychometric Properties of the Scale for Subjective Somatic and Cognitive Complaints of Psychotropic Medication Adult‐Aged‐Spectrum (SCOPA)	0
Prescribing patterns in patients with obsessive‐compulsive disorder: Retrospective, single‐center study	0
Professor Brian Leonard: Former Editor‐in‐Chief of Human Psychopharmacology	0
	0
Association of serotonin transporter gene polymorphism with efficacy of the antidepressant drugs sertraline and mirtazapine in newly diagnosed patients with major depressive disorders	0
Opioid analgesics prescribing trends 2010–2019 in Slovenia: National database study	0
The impact of alcohol consumption on commercial eye blink drowsiness detection technology	0
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Effects of Cannabinoids on Emotional States and Alcohol Use Among Underrepresented Groups: Moderation by Perceived Discrimination	0
Effects of solriamfetol on on‐the‐road driving performance in participants with excessive daytime sleepiness associated with obstructive sleep apnoea	0
Could improved recognition and treatment of anxiety disorders lead to a reduction in suicide?	0
Agomelatine as Antidepressant Treatment in Elderly Patients With Previous Hyponatremia Due To SSRI Use: Case Series	0
Effects of atypical antipsychotics on serum asprosin level and other metabolic parameters in patients with schizophrenia	0
The factor structure of extrapyramidal symptoms evaluated using the Drug‐Induced Extrapyramidal Symptoms Scale in patients with schizophrenia: Results from the 2016 REAP AP‐4 study	0
Effects of Cannabis‐Delivered THC on mood and negative attentional bias in the context of positive vs. neutral Alternatives—a pilot study	0
Acute Administration of 10 mg Methylphenidate on Cognitive Performance and Visual Scanning in Healthy Adults: Randomised, Double‐Blind, Placebo‐Controlled Study	0
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Comprehensive Mitigation of Peripheral and Central Stress Responses by Nx4: Insights From EEG and Heart Rate Variability in Post‐Stress Resting State	0
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The use of antipsychotics in obsessive compulsive disorder	0
Zopiclone as a Potent Positive Control for Assessing the Residual Effects of Hypnotic Drugs on Next Day Driving Performance: A Systematic Review	0
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High‐dose Vitamin B6 supplementation reduces anxiety and strengthens visual surround suppression	0
Effects of solriamfetol on on‐the‐road driving in participants with narcolepsy: A randomised crossover trial	0
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Clozapine Once‐Versus Multiple‐Daily Dosing Regimen: A Single‐Center, Retrospective, Cross‐Sectional Study	0
J Guy Edwards, FRCPsych, FRCP, FRCGP (Hon), DPM, HonMFPH, Founding Editor of Human Psychopharmacology	0
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Maternal Use of Antidepressants in Pregnancy and the Risk of Postpartum Hemorrhage: An Electronic Health Record‐Based Cohort Study	0
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The Efficacy and Safety of Amyloid Beta‐Directed Monoclonal Antibodies for Alzheimer's Disease: A Systematic Review and Meta‐Analysis of Phase III Randomized Controlled Trials	0
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Probable effects of polypharmacy and equivalent doses of psychotropic drugs on prevalence of adverse drug events among psychiatric inpatients in a general hospital in Japan	0
Allopregnanolone Concentrations After Ascending Single Dose Administration of Progesterone to Healthy Volunteers	0
Comparative pharmacology and abuse potential of oral dexamphetamine and lisdexamfetamine—A literature review	0
Estradiol treatment in young postmenopausal women with self‐reported cognitive complaints: Effects on cholinergic‐mediated cognitive performance	0
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Patient outcome following selective serotonin reuptake inhibitor prescribing in primary care in Wales (UK)	0
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Peripheral edema associated with antidepressant use: Systematic review of case reports	0