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Kaloyan Stoychev

Observed names: K Stoychev, K. Stoychev, K.R. Stoychev, Kaloyan R. Stoychev, Kaloyan Rumenov Stoychev
ORCID: 0000-0001-7903-2387
Observed ORCID: 0000-0001-7903-2387
OpenAlex ID: A5046513906
Neuroimaging Studies in Patients With Mental Disorder and Co-occurring Substance Use Disorder: Summary of Findings
2019 · Kaloyan Rumenov Stoychev · Frontiers in Psychiatry · 24
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Genetic Basis of Dual Diagnosis: A Review of Genome-Wide Association Studies (GWAS) Focusing on Patients with Mood or Anxiety Disorders and Co-Occurring Alcohol-Use Disorders
2021 · Kaloyan Stoychev, Dancho Dilkov, et al. · Diagnostics · 16
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Toxoplasma gondii seropositivity and cognitive function in adults with schizophrenia
2022 · Ivanka Veleva, Kaloyan Stoychev, et al. · Schizophrenia Research Cognition · 14
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CYP2C19 and CYP2D6 Genotypes and Metabolizer Status Distribution in a Bulgarian Psychiatric Cohort
2022 · Hristo Y. Ivanov, Denitsa Grigorova, et al. · Journal of Personalized Medicine · 9
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Impact of Cognitive Disturbances and Clinical Symptoms on Disability in Patients with Paranoid Schizophrenia: A Study of a Bulgarian Clinical Sample
2023 · Ivanka Veleva, Kaloyan Stoychev, et al. · International Journal of Environmental Research and Public Health · 5
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Socio-Demographic and Clinical Characteristics of Psychiatric Patients Who Have Committed Suicide: Analysis of Bulgarian Regional Suicidal Registry for 10 Years
2021 · Kaloyan Stoychev, Emilia Dimitrova, et al. · Frontiers in Psychiatry · 5
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Stigmatising Attitudes Towards Mental Health Conditions Among Medical Students In Five South-Eastern European Countries
2024 · Sanja Harhaji, Sonila Tomori, et al. · Slovenian Journal of Public Health · 4
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Symptom severity and cognitive performance in patients with substance induced psychotic disorder and schizophrenia: a cross-sectional comparative study
2025 · Kaloyan Stoychev, Ivanka Veleva, et al. · Schizophrenia Research Cognition · 2
A Clinical Case of Patient Carrying Rare Pathological PSEN1 Gene Mutation (L424V) Demonstrates the Phenotypic Heterogenity of Early Onset Familial AD
2019 · Kaloyan R. Stoychev, Maya Stoimenova-Popova, et al. · Frontiers in Psychiatry · 2
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Antypsychotics in Schizophrenia Treatment – Literature Review
2016 · K Stoychev, K Ivanov, et al. · Human Sport Medicine · 2
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Processing Speed as an Endophenotypic Marker of Paranoid Schizophrenia
2019 · Ivanka I. Veleva, Maya J. Stoimenova, et al. · Journal of Biomedical and Clinical Research · 1
Prevalence of female athlete triad in Bulgaria
2019 · P. Chumpalova-Tumbeva, V. Valtchev, et al. · European Neuropsychopharmacology · 1
P6.c.012 Efficacy of melatonin in methadone maintained patients with insomnia: results from an open comparison study
2009 · K.R. Stoychev, K.M. Ivanov, et al. · European Neuropsychopharmacology · 1
The LAI–Oral Antipsychotic Efficacy–Effectiveness Paradox in Schizophrenia
2026 · Kaloyan Stoychev, Sara Begum, et al. · Medicina
Analysis of suicides in one of the administrative regions of Bulgaria for 10-year period (2009-2018)
2022 · I Veleva, K Stoychev, et al. · European Journal of Public Health
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Comparative analysis of suicidality in two Bulgarian regions
2017 · K. Stoychev, V. Nakov, et al. · European Psychiatry
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Comparative Analysis of Suicidality in Two Bulgarian Regions
2017 · Kaloyan Stoychev
Prevalence of unrecognized lifetime bipolar disorders in patients currently diagnosed with major depression: an explorative study
2012 · K Stoychev, K Ivanov, et al. · International Clinical Psychopharmacology
P.2.f.006 A comparison of newly diagnosed patients with bipolar I and bipolar II disorder
2012 · K. Stoychev, K. Ivanov, et al. · European Neuropsychopharmacology
Quality of life in patients with cardiovascular diseases: results of a study of clinical sample.
2012 · Kaloyan Stoychev, D. Barkaska, et al. · S'rdechno-s'dovi Zabolyavaniya / Medical Review - Cardiovascular Diseases
Endophenotypes in Schizophrenia: a Current Review and Some Implications on Their Role as Treatment Targets
2012 · Kaloyan Stoychev, Vladimir V. Nakov, et al.
Efficacy of Low Dose Amitriptilyne in a 37 Years Old Man With Chronic Pelvic Pain Syndrome: a Case Report
2011 · Kaloyan Stoychev, Krasimir M. Ivanov, et al.
P.6.c.007 A comparison of methadone-maintained patients with and without co-occuring personality disorder
2010 · K. Stoychev, K.M. Ivanov, et al. · European Neuropsychopharmacology
P.6.a.008 Personality disorders in patients with alcohol abuse and alcoholism: an exploratory study
2008 · K.M. Ivanov, M.G. Alexandrova, et al. · European Neuropsychopharmacology
P.6.001 Comorbid anxiety and mood disorders in patients with alcohol abuse and alcoholism: a pilot case-control study
2007 · K.R. Stoychev, K.M. Ivanov, et al. · European Neuropsychopharmacology
Works count: 27
Citation count: 86
H-index: 5
I10-index: 3
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