Journal of Clinical Psychopharmacology

Papers
(The median citation count of Journal of Clinical Psychopharmacology is 1. 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 2020-03-01 to 2024-03-01.)
ArticleCitations
Lurasidone Improves Psychopathology and Cognition in Treatment-Resistant Schizophrenia29
Persistent Barriers to the Use of Long-Acting Injectable Antipsychotics for the Treatment of Schizophrenia28
Esketamine Nasal Spray for the Rapid Reduction of Depressive Symptoms in Major Depressive Disorder With Acute Suicidal Ideation or Behavior28
Ayahuasca Improves Self-perception of Speech Performance in Subjects With Social Anxiety Disorder26
Effects of Ayahuasca on the Recognition of Facial Expressions of Emotions in Naive Healthy Volunteers25
Citalopram and Cannabidiol24
A Phase 3, Placebo-Controlled Trial of Once-Daily Viloxazine Extended-Release Capsules in Adolescents With Attention-Deficit/Hyperactivity Disorder24
RE-KINECT23
Risk of Breast Cancer With Prolactin Elevating Antipsychotic Drugs22
Body Mass Index as a Moderator of Treatment Response to Ketamine for Major Depressive Disorder21
Treating Opioid Use Disorder With a Monthly Subcutaneous Buprenorphine Depot Injection: 12-Month Safety, Tolerability, and Efficacy Analysis20
European Whites May Need Lower Minimum Therapeutic Clozapine Doses Than Those Customarily Proposed19
Comparison of Rapid Antidepressant and Antisuicidal Effects of Intramuscular Ketamine, Oral Ketamine, and Electroconvulsive Therapy in Patients With Major Depressive Disorder19
Antidepressant-Associated Mania in Bipolar Disorder: A Review and Meta-analysis of Potential Clinical and Genetic Risk Factors17
Pharmacokinetics of Coadministered Viloxazine Extended-Release (SPN-812) and Lisdexamfetamine in Healthy Adults17
Effect of Valproic Acid on the Metabolic Spectrum of Clozapine in Patients With Schizophrenia17
The Modernization of Clozapine17
A Systematic Review on the Efficacy of Intravenous Racemic Ketamine for Bipolar Depression16
The Influence of Combined CYP2D6 and CYP2C19 Genotypes on Venlafaxine and O-Desmethylvenlafaxine Concentrations in a Large Patient Cohort16
Adding Oral Contraceptives to Clozapine May Require Halving the Clozapine Dose15
COVID-19 Outcomes: Does the Use of Psychotropic Drugs Make a Difference? Accumulating Evidence of a Beneficial Effect of Antidepressants—A Scoping Review15
The Safety and Effectiveness of High-Dose Propranolol as a Treatment for Challenging Behaviors in Individuals With Autism Spectrum Disorders15
Implementation and Outcomes of a Clozapine-Associated Myocarditis Screening Program in a Region of South Australia—Lessons Learned14
Clozapine Response in Schizophrenia and Hematological Changes14
Pharmacokinetics and Pharmacodynamics of the Dual Orexin Receptor Antagonist Daridorexant in Japanese and Caucasian Subjects14
Clozapine-Associated Myocarditis13
Acute Psychological Adverse Reactions in First-Time Ritual Ayahuasca Users13
Adjunctive Raloxifene and Isradipine Improve Cognitive Functioning in Patients With Schizophrenia12
Acceptability of Acute and Maintenance Pharmacotherapy of Bipolar Disorder12
Combined Oxytocin and Cognitive Behavioral Social Skills Training for Social Function in People With Schizophrenia12
A New Treatment Paradigm11
A Seizure After COVID-19 Vaccination in a Patient on Clozapine11
Cannabidiol as a Treatment for Mental Health Outcomes Among Health Care Workers During the Coronavirus Disease Pandemic11
A Chart Audit Study of Clozapine Utilization in Early Psychosis11
Clozapine11
Pharmacokinetic Profile of the Asenapine Transdermal System (HP-3070)11
Nanocurcumin as an Add-on to Antipsychotic Drugs for Treatment of Negative Symptoms in Patients With Chronic Schizophrenia11
Successful Clozapine Rechallenge After Suspected Clozapine-Associated Myocarditis11
Ketamine and Monoamine Oxidase Inhibitor Combination11
Vortioxetine on Cognition in Schizophrenia10
Free Testosterone and Prolactin Levels and Sperm Morphology and Function Among Male Patients With Tramadol Abuse10
Escaping the Long Shadow Cast by Agranulocytosis10
Risk of Nonalcoholic Fatty Liver Disease in Patients With Schizophrenia Treated With Antipsychotic Drugs10
Abuse Potential of Lemborexant, a Dual Orexin Receptor Antagonist, Compared With Zolpidem and Suvorexant in Recreational Sedative Users10
Antidepressants and the Risk of Cardiovascular Events in Elderly Affected by Cardiovascular Disease10
An Alzheimer Disease Challenge Model: 24-Hour Sleep Deprivation in Healthy Volunteers, Impact on Working Memory, and Reversal Effect of Pharmacological Intervention10
Binge Eating Disorders in Antipsychotic-Treated Patients With Schizophrenia10
One-Year Outcome and Adherence to Pharmacological Guidelines in First-Episode Schizophrenia9
Antipsychotic Polypharmacy Is Associated With Adverse Drug Events in Psychiatric Inpatients9
The Concurrent Treatment With Intravenous Ketamine and an Irreversible Monoamine Oxidase Inhibitor for Treatment-Resistant Depression Without Hypertensive Crises9
Special Article: Translational Science Update. Pharmacological Implications of Emerging Schizophrenia Genetics9
Risk of Depression Associated With Finasteride Treatment9
The Effect of Therapeutic Alliance on Attitudes Toward Psychiatric Medications in Schizophrenia9
All in One9
Dry Those Crying Eyes9
Effects of Bedtime Dosing With Suvorexant and Zolpidem on Balance and Psychomotor Performance in Healthy Elderly Participants During the Night and in the Morning8
Effect of Brexpiprazole on Prolactin and Sexual Functioning8
Randomized Controlled Crossover Trials of the Pharmacokinetics of PRC-063, a Novel Multilayer Extended-Release Formulation of Methylphenidate, in Healthy Adults8
Effect of Ketamine on Rumination in Treatment-Resistant Depressive Patients8
Use of Benzodiazepines and Antipsychotic Drugs Are Inversely Associated With Acute Readmission Risk in Schizophrenia8
Plasma Clozapine and Norclozapine After Use of Either Crushed Tablets or Suspension Compared With Tablets8
Safety and Efficacy in Randomized Controlled Trials of Second-Generation Antipsychotics Versus Placebo for Cognitive Impairments in Schizophrenia8
Dose-Dependent Inhibition of CYP2D6 by Bupropion in Patients With Depression8
Comparison of the Metabolic Characteristics of Newer Second Generation Antipsychotics8
Opposite Roles for Cannabidiol and δ-9-Tetrahydrocannabinol in Psychotomimetic Effects of Cannabis Extracts8
Comparative Efficacy and Tolerability of Antipsychotics for Juvenile Psychotic Disorders8
Problem Gambling Associated With Aripiprazole in First-Episode Psychosis Patients8
Reproductive Safety of Trazodone After Maternal Exposure in Early Pregnancy8
Evaluation of Emotional Adverse Effects of Antidepressants7
Domestic Mass Shooters7
The Effect of Venlafaxine on Electrocardiogram Intervals During Treatment for Depression in Older Adults7
Effects of Selective Serotonin Reuptake Inhibitor Use on 3,4-Methylenedioxymethamphetamine–Assisted Therapy for Posttraumatic Stress Disorder7
The Pitfalls of Psychotropic Polypharmacy7
Prevalence and Appropriateness of Antipsychotic Prescribing in an Italian Prison7
Prolactin and Estrogen Levels in Postmenopausal Women Receiving Aripiprazole Augmentation Treatment for Depression7
Tolerability of High-Dose Venlafaxine After Switch From Escitalopram in Nonresponding Patients With Major Depressive Disorder7
Real-World Clinical Practice Among Patients With Bipolar Disorder and Chronic Kidney Disease on Long-term Lithium Therapy7
A Critical Appraisal of Evidence on the Efficacy and Safety of Serotonergic Psychedelic Drugs as Emerging Antidepressants7
Drug-Associated Liver Injury Related to Antipsychotics7
The Use of Methylphenidate for Cognitive Enhancement in Young Healthy Adults7
Antidepressants and Risk of Type 2 Diabetes Mellitus7
Clozapine Blood Concentration Predicts Corrected QT-Interval Prolongation in Patients With Psychoses7
Clozapine-Related Diarrhea and Colitis7
Effect of Miricorilant, a Selective Glucocorticoid Receptor Modulator, on Olanzapine-Associated Weight Gain in Healthy Subjects7
Clozapine Once-Daily Versus Divided Dosing Regimen7
Quetiapine in the Anxiety Dimension of Mood Disorders7
Methamphetamine-Associated Hyperammonemic Encephalopathy7
α-Lipoic Acid as Adjunctive Treatment for Schizophrenia6
Recurrence of Mania or Depression Among Adult Bipolar Patients Who Continued Using Lithium6
A 12-Week Randomized, Double-Blind, Placebo-Controlled Clinical Trial of Topiramate for the Treatment of Compulsive Buying Disorder6
Antipsychotic-Associated Weight Gain and Clinical Improvement Under Clozapine Treatment6
Elevated Clozapine Blood Concentrations After Second COVID-19 Vaccination With Spikevax (COVID-19 Vaccine Moderna)6
Melancholic Features in Bipolar Depression and Response to Lamotrigine6
Reporting Patterns of Sialorrhea Comparing Users of Clozapine to Users of Other Antipsychotics6
A Real-World Study of Risk Factors for QTc Prolongation in Schizophrenia Patients Receiving Atypical Antipsychotics6
Food and Drug Administration–Approved Treatments for Acute Bipolar Depression6
Serum Aripiprazole Concentrations Prehemodialysis and Posthemodialysis in a Schizophrenic Patient With Chronic Renal Failure6
Esketamine6
Homeopathic Remedies in Psychiatric Disorders6
Association of Optimal Lamotrigine Serum Levels and Therapeutic Efficacy in Mood Disorders6
Opioid Receptor μ-1 and Ketamine Effects in a Suicidal Depression Trial6
Psychosis Treatment During COVID-19 Pandemic and the Potential Role of Phenothiazines6
Antidepressant Augmentation6
Effects of Dose, Age, Sex, Body Weight, and Smoking on Plasma Concentrations of Olanzapine and N-desmethyl Olanzapine in Inpatients With Schizophrenia6
Successful Management of Methylphenidate or Atomoxetine-Related Priapism During Attention-Deficit Hyperactivity Disorder Treatment6
Model-Based Approach for Establishing the Predicted Clinical Response of a Delayed-Release and Extended-Release Methylphenidate for the Treatment of Attention-Deficit/Hyperactivity Disorder6
A Case of Treatment-Refractory Hyperemesis Gravidarum Responsive to Adjunctive Mirtazapine in a Patient With Anxiety Comorbidity and Severe Weight Loss6
A Single-Blind Randomized Comparison of Lithium and Lamotrigine as Maintenance Treatments for Managing Bipolar II Disorder6
High-Dose Fluvoxamine Augmentation to Clozapine in Treatment-Resistant Psychosis6
Prescribing Tamoxifen in Patients With Mood Disorders5
A Preliminary Examination of Endogenous Peripheral Oxytocin in a Pilot Randomized Clinical Trial of Oxytocin-Enhanced Psychotherapy for Posttraumatic Stress Disorder5
A Potential Drug-Gene-Drug Interaction Between Cannabidiol, CYP2D6*4, and Fluoxetine5
Major Adverse Cardiovascular Events in Antidepressant Users Within Patients With Ischemic Heart Diseases5
Efficacy of Vortioxetine Monotherapy for Posttraumatic Stress Disorder5
Influence of Different Antidepressants on Ocular Surface in Patients With Major Depressive Disorder5
A Double-Blind, Placebo-Controlled Trial of Bupropion Add-on to Olanzapine or Risperidone in Overweight Individuals With Schizophrenia5
Esketamine for Unipolar Major Depression With Psychotic Features5
Valproic Acid–Associated Hyperammonemia5
Cost of the Illness of Treatment-Resistant Schizophrenia5
Lisdexamfetamine-Associated Tonsure Trichotillomania5
Antipsychotic-Related Fatal Poisoning, England and Wales, 1993–20195
Craving Moderates the Effects of Intranasal Oxytocin on Anger in Response to Social Stress Among Veterans With Co-Occurring Posttraumatic Stress Disorder and Alcohol Use Disorder5
Pregabalin as a Treatment for Anxiety in Patients With Dementia With Lewy Bodies5
Ambulatory Heart Rate Variability in Schizophrenia or Depression5
Effects of Oxytocin on Emotion Recognition in Schizophrenia5
Sublingual Oxytocin With Clozapine in a Patient With Persisting Psychotic Symptoms, Suicidal Thinking With Self-Harm5
Pharmacotherapy Prescriptions for Relapse Prevention of Psychotic Depression After Electroconvulsive Therapy5
Anti-inflammatory Combination Therapy for the Treatment of Schizophrenia5
Paliperidone-Associated Sialorrhea5
Association of Antidepressant Continuation in Pregnancy and Infant Birth Weight5
Diazepam in the Elderly: Looking Back, Ahead, and at the Evidence5
Antipsychotic Medication in Sub-Saharan Africa5
Does Treatment Response With Antidementia Drugs After 6 Months in Alzheimer's Disease Predict Long-term Treatment Outcome?5
Improvements of Frontotemporal Cerebral Blood Flow and Cognitive Functioning in Patients With First Episode of Schizophrenia Treated With Long-Acting Aripiprazole4
Changes in Clozapine Bioavailability in a Percutaneous Endoscopic Gastrostomy-Fed Patient With Treatment-Resistant Schizophrenia4
Case Report4
The Effect of Clozapine on Self-reported Duration of Sleep and Its Interaction With 23 Other Medications4
A Withdrawal Syndrome After a Switch of Phenibut to Another γ-Aminobutyric Acid Agonist4
Effect of Exenatide Use on Cognitive and Affective Functioning in Obese Patients With Type 2 Diabetes Mellitus4
Clozapine and Oral Contraceptives—Implications Beyond Pharmacokinetics4
Acute Cognitive Effects of the Dual Orexin Receptor Antagonist Lemborexant Compared With Suvorexant and Zolpidem in Recreational Sedative Users4
Hypertensive Emergency and Stroke With Medication Interaction4
Adverse Effects After Ayahuasca Administration in the Clinical Setting4
Adjunctive Fluvoxamine for Schizophrenia: A Meta-analysis of Randomized Double-Blind, Placebo-Controlled Trials4
Rhabdomyolysis With Clozapine and Haloperidol Coadministration4
Central Nervous System Trial Failures4
How Frequent Is Switching From an Initial Stimulant Family to the Alternative One in the Clinical Setting?4
Correlates of the Abnormal Involuntary Movement Scale in Veterans With Tardive Dyskinesia4
Olanzapine-Related Somnambulism4
Allergic to Clozapine4
General Functioning in Patients With First-Episode Psychosis After the First 18 Months of Treatment4
Acute Hyperkinetic Movement Disorders as a Multifactorial Pharmacodynamic Drug Interaction Between Methylphenidate and Risperidone in Children and Adolescents4
Long-Term Outcome of Clozapine in Treatment-Resistant Schizophrenia4
Prediction of Corresponding Dose of Transdermal Blonanserin to Oral Dose Based on Dopamine D2 Receptor Occupancy4
Structured Interventions to Optimize Polypharmacy in Psychiatric Treatment and Nursing Homes4
The Switch From Paliperidone Long-Acting Injectable 1- to 3-Monthly4
Guideline Adherence of Monitoring Antipsychotic Use for Nonpsychotic Indications in Children and Adolescents4
Efficacy, Safety, and Tolerability of Centanafadine Sustained-Release Tablets in Adults With Attention-Deficit/Hyperactivity Disorder4
The 40th Anniversary of Panic Disorder4
Lurasidone Augmentation of Clozapine in Refractory Schizophrenia4
Sertraline-Associated Burning Mouth Syndrome4
Prebiotic Treatment Increases Serum Butyrate in People With Schizophrenia4
Low-dose Quetiapine for Major Depressive Disorder and Sleep Improvement4
The Effects of Nicotine on Cortical Excitability After Exercise4
Valproate-Associated Hyperammonemic Encephalopathy4
Tolterodine in the Treatment of Clozapine-Associated Urinary Incontinence4
Combination With Long-Acting Injectable Antipsychotics and Utilization of Nonstandard Formulations as Compliance Enhancing Methods for Clozapine Users4
Augmentation With Pimavanserin in Treatment Refractory Schizophrenia4
Effects of Oral Administration of Alprazolam and Lorazepam as Hypnotics on Cardiovascular Parameters in Hypertensive Patients3
Trazodone as an Alternative Treatment for Neuroleptic-Associated Akathisia3
Effects of Vortioxetine Versus Placebo on Cognition and Functional Capacity in Adults With Posttraumatic Stress Disorder3
REL-1017 (Esmethadone) May Rapidly Reduce Dissociative Symptoms in Adults With Major Depressive Disorder Unresponsive to Standard Antidepressants3
Burning Mouth Syndrome3
Polaprezinc (Zinc–l-Carnosine Complex) as an Add-on Therapy for Binge Eating Disorder and Bulimia Nervosa, and the Possible Involvement of Zinc Deficiency in These Conditions3
Antipsychotics and Drug-Induced Liver Injury3
Risperidone-Associated Acute Laryngeal Dystonia3
Pramipexole to Improve Cognition in Bipolar Disorder3
Clozapine Rechallenge or Continuation Despite Neutropenia, an Extended Follow-up of a Consecutive Quebec Case Series3
A Manic Episode With Psychotic Features Associated With Levetiracetam3
Is Sitagliptin Effective for Modulating Metabolic Disturbances Associated With Olanzapine in Schizophrenia Patients? A Double-blind Placebo-controlled Clinical Trial3
Why Is There No Food and Drug Administration–Approved Medication for Major Depression With Psychotic Features?3
Case Reports3
Treatment of Clozapine-Associated Sialorrhea3
Use of Suvorexant and Antipsychotics in the Treatment of Delirium After Infectious Diseases3
Should Antipsychotic Medications Be Prescribed to Patients With Nonpsychotic Depression?3
Valbenazine Treatment of Tardive Dyskinesia and of Positive Symptoms3
Quetiapine-Associated Rhabdomyolysis3
No Effect of Coenzyme Q10 on Cognitive Function, Psychological Symptoms, and Health-related Outcomes in Schizophrenia and Schizoaffective Disorder3
How to Estimate QT Interval in Patients With Left or Right Bundle Branch Block3
Risk of Prolonged Corrected QT Interval With Amisulpride Therapy for Renal Function Management in Patients With Schizophrenia3
Association of Aripiprazole With Reduced Hippocampal Atrophy During Maintenance Treatment of First-Episode Schizophrenia3
Raising the Quality of Psychopharmacology Clinical Psychiatric Practice3
Successful Introduction of Paliperidone Palmitate for Pregnant Woman With Schizophrenia3
Pharmacokinetics of Ketamine Transfer Into Human Milk3
Switch to 3-Month Long-Acting Injectable Paliperidone May Decrease Plasma Levels3
Antidepressant Discontinuation3
Lamotrigine-Associated Hemophagocytic Lymphohistiocytosis3
Interactive Effects of Ayahuasca and Cannabidiol in Social Cognition in Healthy Volunteers3
Pharmacotherapy of Substance Use Disorders3
Physostigmine for Facilitation of Care in Clozapine-Associated Anticholinergic Delirium3
Myocarditis After Clozapine Initiation and mRNA SARS-CoV-2 Vaccination3
Mononitrate Isosorbide as an Adjunctive Therapy in Schizophrenia3
Adjunct Aripiprazole for Obsessive-Compulsive Symptoms Associated With Second-Generation Antipsychotics in 2 Patients With Schizophrenia3
Prescription Stimulants and the Risk of Psychosis3
Clinical Utility of Semistructured Interview and Scales to Assess Withdrawal Syndromes With Dose Reduction or Discontinuation of Selective Serotonin Reuptake Inhibitors or Serotonin Norepinephrine Reu3
Monoamine Oxidase Interactions3
Black Hairy Tongue Associated With Olanzapine Use in a Female Dementia Patient3
Metabolite Profiling of Clozapine in Patients Switching Versus Maintaining Treatment3
Topiramate (1000 mg) Abuse for Weight Loss in an Adolescent With Anorexia Nervosa3
Novel Use of Clozapine for Nonsuicidal Self-Injury in Adolescent Treatment-Resistant Depression3
The Effects of a Gluten-Free Diet on Immune Markers and Kynurenic Acid Pathway Metabolites in Patients With Schizophrenia Positive for Antigliadin Antibodies Immunoglobulin G3
Association Between CYP2D6 Metabolizer Status and Vortioxetine Exposure and Treatment Switching3
Exceptionally High Clozapine-Associated Eosinophilia3
Genetic Analysis of Clozapine Metabolism in a Patient With Subtherapeutic Clozapine Plasma Concentrations—The Importance of CYP3A53
A Decrease of Neutrophils After COVID-19 Vaccination in a Treatment-Resistant Patient With Schizophrenia Taking Clozapine3
Acute Aripiprazole-Associated Liver Injury3
Intravenous Augmentative Valproate Versus Delorazepam in Bipolar Patients With a Major Depressive Mixed Episode and Partial/Nonresponse to Oral Treatment3
Treatment of Opioid Use Disorder Attributed to Fentanyl With High-Dose Buprenorphine3
Delayed-Onset Severe Neutropenia Associated With Clozapine With Successful Rechallenge at Lower Dose2
Statistics Commentary Series. Commentary No. 42: Minimization2
Topiramate-Associated Acute Bilateral Angle-Closure Glaucoma2
Panic Disorder Seeks More Specific Drugs for Treatment2
A Case Report of Clozapine-Associated Stuttering and Amisulpride-Associated Stuttering and Seizure in an Adult on Concurrent Fluoxetine Therapy2
Menstrual Dysfunction in Women With Schizophrenia During Risperidone Maintenance Treatment2
Effective Treatment of 2 Childhood Depression Cases Carrying High Risk of Bipolar Disorder With Aripiprazole Monotherapy2
Serotonin Paradox in Burning Mouth Syndrome2
Are the Same Medications that Are Used in the Acute Treatment of Depression the Most Suitable for Preventing Relapse?2
Clozapine-Associated Myocarditis in a Patient With Poor Metabolism During Fast Titration2
A Within-Subject Before-After Study of the Impact of Antidepressants on Hemoglobin A1c and Low-Density Lipoprotein Levels in Type 2 Diabetes2
Pitolisant for Treating Narcolepsy Comorbid With Schizophrenia2
Selective Serotonin Reuptake Inhibitors and Tardive Dyskinesia2
Management of Pseudobulbar Affect With Fluoxetine and Dextromethorphan2
Tardive Syndrome Associated With Tetrabenazine in Huntington Disease2
Late-Onset Polyserositis Emerging During Long-Term Clozapine Treatment and Persisting After Clozapine Discontinuation2
Extremely High-Dosage Zolpidem Poisoning With Favorable Outcome2
Levetiracetam-Related Alcohol Abuse in a Postencephalitic Patient2
Time to Rehospitalization for Different Oral Risperidone Dosing Frequencies in Patients With Schizophrenia2
Mania in a Patient With Pituitrin-Associated Hyponatremia2
Treatment of Cannabis Hyperemesis Syndrome Using Haloperidol in a Pregnant Patient2
Distinct Effects of Antidepressants in Association With Mood Stabilizers and/or Antipsychotics in Unipolar and Bipolar Depression2
A Case of Facial Pain in Somatic Symptom Disorder Responding to Duloxetine2
Atomoxetine-Associated Eyebrow Alopecia in a Girl With Attention-Deficit/Hyperactivity Disorder2
Chasing the Offending Medication2
Albuterol-Associated Hallucinations2
Mild Neutropenia After Suicide Attempt With 900 Milligrams Intake of Mirtazapine2
Risk of Mania After Methylphenidate in Patients With Bipolar Disorder2
Hyperprolactinemic Galactorrhea Associated With Cefpodoxime in a Patient With Recurrent Depressive Disorder on Venlafaxine Monotherapy2
Cervical Dystonia in a Geriatric Patient Associated With Cinacalcet-Clozapine Drug Interaction2
Polypharmacy Among Patients With Major Depressive Disorder and Co-occurring Substance Use Disorders in a Psychiatric Hospital Setting2
The Effect of Add-on Buprenorphine to Matrix Program in Reduction of Craving and Relapse Among People With Methamphetamine Use Disorder2
0.23709011077881