Waszkiewicz, Napoleon

Probiotic Lactobacillus plantarum 299v decreases kynurenine concentration and improves cognitive functions in patients with major depression: a double-blind, randomized, placebo controlled study

Rudzki, L., Ostrowska, L., Pawlak, D., Małus, A., Pawlak, K., Waszkiewicz, N., & Szulc, A. (2019) · Psychoneuroendocrinology

Probiotics and Fermented FoodsTryptophan and brain disorders

Cited by 499

Effect of antidepressant treatment on peripheral inflammation markers – A meta-analysis

Więdłocha, M., Marcinowicz, P., Krupa, R., Janoska-Jaździk, M., Janus, M., Dębowska, W., Mosiołek, A., Waszkiewicz, N., & Szulc, A. (2018) · Progress in Neuro-Psychopharmacology and Biological Psychiatry

Tryptophan and brain disordersTreatment of Major Depression

Cited by 233

Peripheral Markers of Depression

Nobis, A., Zalewski, D., & Waszkiewicz, N. (2020) · Journal of Clinical Medicine

Tryptophan and brain disordersTreatment of Major Depression

Cited by 197

Biomarkers of post-covid depression

Lorkiewicz, P., & Waszkiewicz, N. (2021) · Journal of Clinical Medicine

Tryptophan and brain disordersLong-Term Effects of COVID-19

Cited by 102

Antioxidant Defence, Oxidative Stress and Oxidative Damage in Saliva, Plasma and Erythrocytes of Dementia Patients. Can Salivary AGE be a Marker of Dementia?

Choromańska, M., Klimiuk, A., Kostecka-Sochoń, P., Wilczyńska, K., Kwiatkowski, M., Okuniewska, N., Waszkiewicz, N., Zalewska, A., & Maciejczyk, M. (2017) · International Journal of Molecular Sciences

Dementia and Cognitive Impairment ResearchAntioxidant Activity and Oxidative Stress

Cited by 87

Effect of risperidone and olanzapine on reproductive hormones, psychopathology and sexual functioning in male patients with schizophrenia

Konarzewska, B., Wołczyński, S., Szulc, A., Galińska, B., Popławska, R., & Waszkiewicz, N. (2009) · Psychoneuroendocrinology

Schizophrenia research and treatmentHypothalamic control of reproductive hormones

Cited by 70

Between Dysbiosis, Maternal Immune Activation and Autism: Is There a Common Pathway?

Suprunowicz, M., Tomaszek, N., Urbaniak, A., Zackiewicz, K., Modzelewski, S., & Waszkiewicz, N. (2024) · Nutrients

Gut microbiota and healthAutism Spectrum Disorder Research

Cited by 44

Unraveling the Connections: Eating Issues, Microbiome, and Gastrointestinal Symptoms in Autism Spectrum Disorder

Tomaszek, N., Urbaniak, A. D., Bałdyga, D., Chwesiuk, K., Modzelewski, S., & Waszkiewicz, N. (2025) · Nutrients

Child Nutrition and Feeding IssuesGut microbiota and health

Cited by 30

Are lipids possible markers of suicide behaviors?

Kułak-Bejda, A., Bejda, G., Lech, M., & Waszkiewicz, N. (2021) · Journal of Clinical Medicine

Suicide and Self-Harm StudiesTryptophan and brain disorders

Cited by 25

Disorganization at the stage of schizophrenia clinical outcome: clinical‐biological study

Nestsiarovich, A., Obyedkov, V., Kandratsenka, H., Siniauskaya, M., Goloenko, I., & Waszkiewicz, N. (2017) · European Psychiatry

Schizophrenia research and treatmentMental Health and Psychiatry

Cited by 17

Urine 3-Nitrotyrosine and serum HDL as potential biomarkers of depression

Nobis, A., Zalewski, D., Samaryn, E., Maciejczyk, M., Zalewska, A., & Waszkiewicz, N. (2023) · Journal of Clinical Medicine

Tryptophan and brain disordersTreatment of Major Depression

Cited by 12

Initial Study on COMT and DRD2 Gene Polymorphisms as Well as the Influence of Temperament and Character Trait on the Severity of Alcohol Craving in Alcohol-Dependent Patients

Czarnecki, D., Ziółkowski, M., Chodkiewicz, J., Długosz, A., Feldheim, J., Waszkiewicz, N., Kułak-Bejda, A., Gorzkiewicz, M., Budzyński, J., Junkiert-Czarnecka, A., et al. (2021) · Journal of Clinical Medicine

Neurotransmitter Receptor Influence on BehaviorSubstance Abuse Treatment and Outcomes

Cited by 9

Dissociative identity (multiple personality) disorder in Poland: a clinical case description and diagnostic difficulties

Orlof, W., B. Rozenek, E., Waszkiewicz, N., & Szewczak, B. (2021) · Postępy Psychiatrii i Neurologii

Psychosomatic Disorders and Their TreatmentsPersonality Disorders and Psychopathology

Cited by 6