TitleAssociate Professor
InstitutionBaylor College of Medicine
DepartmentDepartment of Psychiatry & Behavioral Sciences
Houston, TX 77030
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Okusaga OO, Kember RL, Peloso GM, Peterson RE, Vujkovic M, Mitchell BG, Bernard J, Walder A, Bigdeli TB. History of Suicide Attempts and COVID-19 Infection in Veterans with Schizophrenia or Schizoaffective Disorder: Moderating Effects of Age and Body Mass Index. Complex Psychiatry. 2021 Dec 01; 392:1789-1795. PMID: 35128521.
      Citations: 1     
    2. Pinjari OF, Dasgupta SK, Okusaga OO. Plasma Soluble P-selectin, Interleukin-6 and S100B Protein in Patients with Schizophrenia: a Pilot Study. Psychiatr Q. 2022 03; 93(1):335-345. PMID: 34599734.
      Citations:    Fields:    Translation:HumansAnimals
    3. Tizenberg BN, Brenner LA, Lowry CA, Okusaga OO, Benavides DR, Hoisington AJ, Benros ME, Stiller JW, Kessler RC, Postolache TT. Biological and Psychological Factors Determining Neuropsychiatric Outcomes in COVID-19. Curr Psychiatry Rep. 2021 10 01; 23(10):68. PMID: 34648081.
      Citations: 3     Fields:    Translation:HumansCells
    4. Okusaga OO, Mitchell BG, Bernard JD, Walder A. Clozapine Is Associated With Higher COVID-19 Infection Rate in Veterans With Schizophrenia or Schizoaffective Disorder. J Clin Psychiatry. 2021 08 24; 82(5). PMID: 34428355.
      Citations: 2     Fields:    Translation:HumansCells
    5. Monem RG, Okusaga OO. Repetitive Transcranial Magnetic Stimulation: A Potential Treatment for Obesity in Patients with Schizophrenia. Behav Sci (Basel). 2021 Jun 11; 11(6). PMID: 34208079.
    6. Postolache TT, Wadhawan A, Rujescu D, Hoisington AJ, Dagdag A, Baca-Garcia E, Lowry CA, Okusaga OO, Brenner LA. Toxoplasma gondii, Suicidal Behavior, and Intermediate Phenotypes for Suicidal Behavior. Front Psychiatry. 2021; 12:665682. PMID: 34177652.
      Citations: 4     
    7. Bourassa KA, Postolache TT, Dagdag A, Fuchs D, Okusaga OO. Plasma soluble P-selectin correlates with triglycerides and nitrite in overweight/obese patients with schizophrenia. Pteridines. 2020 Jan; 31(1):61-67. PMID: 32982068.
    8. Deng H, Desai PV, Mohite S, Okusaga OO, Zhang XY, Nielsen DA, Kosten TR. Hospital Stay in Synthetic Cannabinoid Users With Bipolar Disorder, Schizophrenia, or Other Psychotic Disorders Compared With Cannabis Users. J Stud Alcohol Drugs. 2019 03; 80(2):230-235. PMID: 31014468.
      Citations: 1     Fields:    Translation:Humans
    9. Boozalis T, Devaraj S, Okusaga OO. Correlations between Body Mass Index, Plasma High-Sensitivity C-Reactive Protein and Lipids in Patients with Schizophrenia. Psychiatr Q. 2019 03; 90(1):101-110. PMID: 30315442.
      Citations: 2     Fields:    Translation:Humans
    10. Wadhawan A, Stiller JW, Potocki E, Okusaga O, Dagdag A, Lowry CA, Benros ME, Postolache TT. Traumatic Brain Injury and Suicidal Behavior: A Review. J Alzheimers Dis. 2019; 68(4):1339-1370. PMID: 30909230.
      Citations: 4     Fields:    Translation:Humans
    11. Hamilton JE, Heads AM, Meyer TD, Desai PV, Okusaga OO, Cho RY. Ethnic differences in the diagnosis of schizophrenia and mood disorders during admission to an academic safety-net psychiatric hospital. Psychiatry Res. 2018 09; 267:160-167. PMID: 29908484.
      Citations: 1     Fields:    Translation:Humans
    12. Deng H, Kahlon RS, Mohite S, Amin PA, Zunta-Soares G, Colpo GD, Stertz L, Fries GR, Walss-Bass C, Soares JC, Okusaga OO. Elevated Plasma S100B, Psychotic Symptoms, and Cognition in Schizophrenia. Psychiatr Q. 2018 03; 89(1):53-60. PMID: 28435992.
      Citations: 7     Fields:    Translation:Humans
    13. Boozalis T, Teixeira AL, Cho RY, Okusaga O. C-Reactive Protein Correlates with Negative Symptoms in Patients with Schizophrenia. Front Public Health. 2017; 5:360. PMID: 29404313.
      Citations: 9     Fields:    
    14. Deng H, Mohite S, Suchting R, Nielsen DA, Okusaga OO. Impact of synthetic cannabinoid use on hospital stay in patients with bipolar disorder versus schizophrenia, or other psychotic disorders. Psychiatry Res. 2018 03; 261:248-252. PMID: 29329043.
      Citations: 2     Fields:    Translation:Humans
    15. Okusaga OO. Trajectory of brain maturation and sex-specific cognitive abnormalities in early-onset psychosis. Braz J Psychiatry. 2017 Oct-Dec; 39(4):381. PMID: 29160529.
      Citations:    Fields:    Translation:Humans
    16. Mohite S, Yang F, Amin PA, Zunta-Soares G, Colpo GD, Stertz L, Sharma AN, Fries GR, Walss-Bass C, Soares JC, Okusaga OO. Plasma soluble L-selectin in medicated patients with schizophrenia and healthy controls. PLoS One. 2017; 12(3):e0174073. PMID: 28334045.
      Citations: 2     Fields:    Translation:Humans
    17. Kimm TS, Okusaga OO, Schulz PE. Delirious Mania in Bipolar Disorder. Prim Care Companion CNS Disord. 2017 Mar 02; 19(2). PMID: 28257173.
      Citations:    Fields:    Translation:Humans
    18. Tangu K, Ifeanyi A, Velusamy M, Dar S, Shah N, Ezeobele IE, Okusaga OO. Knowledge and Attitude Towards Pharmacological Management of Acute Agitation: A Survey of Psychiatrists, Psychiatry Residents, and Psychiatric Nurses. Acad Psychiatry. 2017 Jun; 41(3):333-336. PMID: 27943131.
      Citations: 1     Fields:    Translation:Humans
    19. Babatope T, Chotalia J, Elkhatib R, Mohite S, Shah J, Goddu S, Patel RA, Aimienwanu OR, Patel D, Makanjuola T, Okusaga OO. A Study of the Impact of Cannabis on Doses of Discharge Antipsychotic Medication in Individuals with Schizophrenia or Schizoaffective Disorder. Psychiatr Q. 2016 12; 87(4):729-737. PMID: 26875104.
      Citations: 1     Fields:    Translation:Humans
    20. de Barros JLVM, Barbosa IG, Salem H, Rocha NP, Kummer A, Okusaga OO, Soares JC, Teixeira AL. Is there any association between Toxoplasma gondii infection and bipolar disorder? A systematic review and meta-analysis. J Affect Disord. 2017 Feb; 209:59-65. PMID: 27889597.
      Citations: 22     Fields:    Translation:Humans
    21. Okusaga O, Fuchs D, Reeves G, Giegling I, Hartmann AM, Konte B, Friedl M, Groer M, Cook TB, Stearns-Yoder KA, Pandey JP, Kelly DL, Hoisington AJ, Lowry CA, Eaton WW, Brenner LA, Rujescu D, Postolache TT. Kynurenine and Tryptophan Levels in Patients With Schizophrenia and Elevated Antigliadin Immunoglobulin G Antibodies. Psychosom Med. 2016 10; 78(8):931-939. PMID: 27359171.
      Citations: 12     Fields:    Translation:Humans
    22. Mathai AJ, Kanwar J, Okusaga O, Fuchs D, Lowry CA, Peng X, Giegling I, Hartmann AM, Konte B, Friedl M, Gragnoli C, Reeves GM, Groer MW, Rosenthal RN, Rujescu D, Postolache TT. Blood Levels of Monoamine Precursors and Smoking in Patients with Schizophrenia. Front Public Health. 2016; 4:182. PMID: 27626030.
      Citations: 3     Fields:    
    23. Zhao Z, Okusaga OO, Quevedo J, Soares JC, Teixeira AL. The potential association between obesity and bipolar disorder: A meta-analysis. J Affect Disord. 2016 Sep 15; 202:120-3. PMID: 27262632.
      Citations: 15     Fields:    Translation:Humans
    24. Parsaik AK, Mascarenhas SS, Hashmi A, Prokop LJ, John V, Okusaga O, Singh B. Role of Botulinum Toxin in Depression. J Psychiatr Pract. 2016 03; 22(2):99-110. PMID: 27138078.
      Citations: 11     Fields:    Translation:Humans
    25. Parsaik AK, Mascarenhas SS, Khosh-Chashm D, Hashmi A, John V, Okusaga O, Singh B. Mortality associated with anxiolytic and hypnotic drugs-A systematic review and meta-analysis. Aust N Z J Psychiatry. 2016 Jun; 50(6):520-33. PMID: 26590022.
      Citations: 23     Fields:    Translation:Humans
    26. Okusaga O, Duncan E, Langenberg P, Brundin L, Fuchs D, Groer MW, Giegling I, Stearns-Yoder KA, Hartmann AM, Konte B, Friedl M, Brenner LA, Lowry CA, Rujescu D, Postolache TT. Combined Toxoplasma gondii seropositivity and high blood kynurenine--Linked with nonfatal suicidal self-directed violence in patients with schizophrenia. J Psychiatr Res. 2016 Jan; 72:74-81. PMID: 26594873.
      Citations: 17     Fields:    Translation:Humans
    27. Wu HE, Okusaga OO. Antipsychotic medication-induced dysphoria: its meaning, association with typical vs. atypical medications and impact on adherence. Psychiatr Q. 2015 Jun; 86(2):199-205. PMID: 25164199.
      Citations: 4     Fields:    Translation:Humans
    28. Mohite S, Ngana I, Okusaga OO. Cocaine use in individuals with schizophrenia: impact on doses of discharge antipsychotic medications. J Addict Med. 2015 May-Jun; 9(3):177-80. PMID: 25700142.
      Citations: 1     Fields:    Translation:HumansPHPublic Health
    29. Wu HE, Mohite S, Ngana I, Burns W, Shah N, Schneider L, Schmitz JM, Lane SD, Okusaga OO. Hospital length of stay in individuals with schizophrenia with and without cocaine-positive urine drug screens at hospital admission. J Nerv Ment Dis. 2015 Jan; 203(1):33-6. PMID: 25489749.
      Citations:    Fields:    Translation:HumansPHPublic Health
    30. Zhang XY, Chen DC, Tan YL, Tan SP, Wang ZR, Yang FD, Okusaga OO, Zunta-Soares GB, Soares JC. The interplay between BDNF and oxidative stress in chronic schizophrenia. Psychoneuroendocrinology. 2015 Jan; 51:201-8. PMID: 25462893.
      Citations: 22     Fields:    Translation:Humans
    31. Xiu MH, Yang GG, Tan YL, Chen DC, Tan SP, Wang ZR, Yang FD, Okusaga O, Soares JC, Zhang XY. Decreased interleukin-10 serum levels in first-episode drug-naïve schizophrenia: relationship to psychopathology. Schizophr Res. 2014 Jun; 156(1):9-14. PMID: 24766914.
      Citations: 26     Fields:    Translation:Humans
    32. Okusaga O, Hamilton RG, Can A, Igbide A, Giegling I, Hartmann AM, Konte B, Friedl M, Reeves GM, Rujescu D, Postolache TT. Phadiatop Seropositivity in Schizophrenia Patients and Controls: A Preliminary Study. AIMS Public Health. 2014 Mar 24; 1(2):43-50. PMID: 25346942.
      Citations: 1     
    33. Okusaga O, Muravitskaja O, Fuchs D, Ashraf A, Hinman S, Giegling I, Hartmann AM, Konte B, Friedl M, Schiffman J, Hong E, Reeves G, Groer M, Dantzer R, Rujescu D, Postolache TT. Elevated levels of plasma phenylalanine in schizophrenia: a guanosine triphosphate cyclohydrolase-1 metabolic pathway abnormality? PLoS One. 2014; 9(1):e85945. PMID: 24465804.
      Citations: 6     Fields:    Translation:Humans
    34. Okusaga OO. 6R-l-erythro-5,6,7,8-tetrahydrobiopterin (BH4): a potential treatment for all symptom domains of schizophrenia. Med Hypotheses. 2014 Mar; 82(3):395-7. PMID: 24491428.
      Citations: 2     Fields:    Translation:Humans
    35. Reeves GM, Mazaheri S, Snitker S, Langenberg P, Giegling I, Hartmann AM, Konte B, Friedl M, Okusaga O, Groer MW, Mangge H, Weghuber D, Allison DB, Rujescu D, Postolache TT. A Positive Association between T. gondii Seropositivity and Obesity. Front Public Health. 2013; 1:73. PMID: 24400300.
      Citations: 14     Fields:    
    36. Okusaga OO. Accelerated aging in schizophrenia patients: the potential role of oxidative stress. Aging Dis. 2014 Aug; 5(4):256-62. PMID: 25110609.
      Citations: 21     
    37. Kanwar J, Okusaga O, Giegling I, Konte B, Vaswani D, Sleemi A, Vaswani R, Hartmann AM, Friedl M, Hong LE, Reeves G, Stephens S, Dixon L, Rujescu D, Postolache TT. In patients with schizophrenia, non-fatal suicidal self-directed violence is positively associated with present but not past smoking. Schizophr Res. 2013 Sep; 149(1-3):194-5. PMID: 23810528.
      Citations: 1     Fields:    Translation:Humans
    38. Okusaga O, Stewart MC, Butcher I, Deary I, Fowkes FG, Price JF. Smoking, hypercholesterolaemia and hypertension as risk factors for cognitive impairment in older adults. Age Ageing. 2013 May; 42(3):306-11. PMID: 23302603.
      Citations: 21     Fields:    Translation:Humans
    39. Okusaga O, Yolken RH, Langenberg P, Sleemi A, Kelly DL, Vaswani D, Giegling I, Hartmann AM, Konte B, Friedl M, Mohyuddin F, Groer MW, Rujescu D, Postolache TT. Elevated gliadin antibody levels in individuals with schizophrenia. World J Biol Psychiatry. 2013 Sep; 14(7):509-15. PMID: 23282016.
      Citations: 20     Fields:    Translation:HumansCells
    40. Zhang Y, Träskman-Bendz L, Janelidze S, Langenberg P, Saleh A, Constantine N, Okusaga O, Bay-Richter C, Brundin L, Postolache TT. Toxoplasma gondii immunoglobulin G antibodies and nonfatal suicidal self-directed violence. J Clin Psychiatry. 2012 Aug; 73(8):1069-76. PMID: 22938818.
      Citations: 33     Fields:    Translation:HumansAnimalsPHPublic Health
    41. Woo JM, Okusaga O, Postolache TT. Seasonality of suicidal behavior. Int J Environ Res Public Health. 2012 02; 9(2):531-47. PMID: 22470308.
      Citations: 46     Fields:    Translation:Humans
    42. Sleemi A, Johnson MA, Rohan KJ, Okusaga O, Adediran T, Uzoma H, Walsh C, Reeves G, Postolache TT. Reading increases ocular illuminance during light treatment. Int J Adolesc Med Health. 2012; 24(4):339-42. PMID: 23183735.
      Citations:    Fields:    Translation:Humans
    43. Okusaga O, Langenberg P, Sleemi A, Vaswani D, Giegling I, Hartmann AM, Konte B, Friedl M, Groer MW, Yolken RH, Rujescu D, Postolache TT. Toxoplasma gondii antibody titers and history of suicide attempts in patients with schizophrenia. Schizophr Res. 2011 Dec; 133(1-3):150-5. PMID: 21890329.
      Citations: 42     Fields:    Translation:HumansAnimals
    44. Okusaga O, Yolken RH, Langenberg P, Lapidus M, Arling TA, Dickerson FB, Scrandis DA, Severance E, Cabassa JA, Balis T, Postolache TT. Association of seropositivity for influenza and coronaviruses with history of mood disorders and suicide attempts. J Affect Disord. 2011 Apr; 130(1-2):220-5. PMID: 21030090.
      Citations: 61     Fields:    Translation:HumansCells
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