Peter Jongho Na, MD, MPH

• Angela Haeny
• Elina A. Stefanovics
• Ilan Harpaz-Rotem
• Jack Tsai
• Janitza Montalvo-Ortiz
• Joel Gelernter
• John Krystal
• Keith Hawkins
• Kristin Serowik
• Matthew Girgenti
• Meagan Carr
• Oluwole Jegede
• Robert Pietrzak
• Sheila Nagamatsu

Epidemiology; Psychopharmacology; Suicide; Addiction Medicine; COVID-19

• Social Disconnection as a Global Behavioral Epidemic—A Call to Action About a Major Health Risk FactorNa P, Jeste D, Pietrzak R. Social Disconnection as a Global Behavioral Epidemic—A Call to Action About a Major Health Risk Factor JAMA Psychiatry 2023, 80: 101-102. PMID: 36515940, DOI: 10.1001/jamapsychiatry.2022.4162.
• Durkheim's Theory of Social Integration and Suicide Revisited: Is It Diversity of Social Networks or Perceived Strength of Social Support That Matters?Na P, Bommersbach T, Pietrzak R, Rhee T. Durkheim's Theory of Social Integration and Suicide Revisited: Is It Diversity of Social Networks or Perceived Strength of Social Support That Matters? The Journal Of Clinical Psychiatry 2022, 84 PMID: 36479956, DOI: 10.4088/jcp.22m14477.
• Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden.Nichter B, Koller D, De Angelis F, Wang J, Girgenti M, Na P, Hill M, Norman S, Krystal J, Gelernter J, Polimanti R, Pietrzak R. Genetic liability to suicidal thoughts and behaviors and risk of suicide attempt in US military veterans: moderating effects of cumulative trauma burden. Psychological Medicine 2022, 1-9. PMID: 36444557, DOI: 10.1017/s0033291722003646.
• National trends of suicidal ideation and mental health services use among US adults with opioid use disorder, 2009–2020Na PJ, Bommersbach TJ, Petrakis IL, Rhee TG. National trends of suicidal ideation and mental health services use among US adults with opioid use disorder, 2009–2020 EClinicalMedicine 2022, 54: 101696. PMID: 36267498, PMCID: PMC9576812, DOI: 10.1016/j.eclinm.2022.101696.
• Identifying factors associated with elevated suicidal intent among U.S. military veteransNichter B, Na PJ, Stanley IH, Marx BP, Herzog S, Moynahan V, Hill ML, Norman SB, Pietrzak RH. Identifying factors associated with elevated suicidal intent among U.S. military veterans Journal Of Psychiatric Research 2022, 155: 68-74. PMID: 35988305, DOI: 10.1016/j.jpsychires.2022.08.001.
• Association of Distress Due to Systemic Racism and Racial Disparities With Psychopathology and Suicidal Ideation Among US Veterans During the COVID-19 Pandemic.Jegede O, Na PJ, Haeny AM, Krystal JH, Pietrzak RH. Association of Distress Due to Systemic Racism and Racial Disparities With Psychopathology and Suicidal Ideation Among US Veterans During the COVID-19 Pandemic. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35921504, PMCID: PMC10228546, DOI: 10.4088/jcp.22br14410.
• Moral injury among U.S. combat veterans with and without PTSD and depressionNorman SB, Nichter B, Maguen S, Na PJ, Schnurr PP, Pietrzak RH. Moral injury among U.S. combat veterans with and without PTSD and depression Journal Of Psychiatric Research 2022, 154: 190-197. PMID: 35947898, DOI: 10.1016/j.jpsychires.2022.07.033.
• Association of Symptoms of Posttraumatic Stress Disorder and GrimAge, an Epigenetic Marker of Mortality Risk, in US Military Veterans.Na PJ, Montalvo-Ortiz JL, Nagamatsu ST, Southwick SM, Krystal JH, Gelernter J, Pietrzak RH. Association of Symptoms of Posttraumatic Stress Disorder and GrimAge, an Epigenetic Marker of Mortality Risk, in US Military Veterans. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35802930, DOI: 10.4088/jcp.21br14309.
• Provision of social support and mental health in U.S. military veteransNa P, Tsai J, Southwick S, Pietrzak R. Provision of social support and mental health in U.S. military veterans Npj Mental Health Research 2022, 1: 4. DOI: 10.1038/s44184-022-00004-9.
• Factors Associated With Remission of Suicidal Ideation During the COVID-19 Pandemic: A Population-Based, Longitudinal Study in US Military Veterans.Herzog S, Nichter B, Hill ML, Na PJ, Norman SB, Pietrzak RH. Factors Associated With Remission of Suicidal Ideation During the COVID-19 Pandemic: A Population-Based, Longitudinal Study in US Military Veterans. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35771973, DOI: 10.4088/jcp.21br14341.
• Loneliness in U.S. military veterans during the COVID-19 pandemic: A nationally representative, prospective cohort studyNa PJ, Straus E, Tsai J, Norman SB, Southwick SM, Pietrzak RH. Loneliness in U.S. military veterans during the COVID-19 pandemic: A nationally representative, prospective cohort study Journal Of Psychiatric Research 2022, 151: 546-553. PMID: 35636030, PMCID: PMC9126310, DOI: 10.1016/j.jpsychires.2022.05.042.
• Mental Health Burden in Enlisted and Commissioned U.S. Military Veterans: Importance of Indirect Trauma Exposure in Commissioned VeteransMerians AN, Na PJ, Tsai J, Harpaz-Rotem I, Pietrzak RH. Mental Health Burden in Enlisted and Commissioned U.S. Military Veterans: Importance of Indirect Trauma Exposure in Commissioned Veterans Psychiatry 2022, 85: 418-432. PMID: 35532217, DOI: 10.1080/00332747.2022.2068301.
• P79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military VeteransNagamatsu S, Pietrzak R, Na P, Krystal J, Gelernter J, Montalvo-Ortiz J. P79. Are Positive Psychosocial Traits Linked to Epigenetic Aging? Results From a National Sample of U.S. Military Veterans Biological Psychiatry 2022, 91: s119. DOI: 10.1016/j.biopsych.2022.02.313.
• Co-occurring Depression and Suicidal Ideation in Opioid Use Disorder: Prevalence and Response During Treatment With Buprenorphine-Naloxone and Injection Naltrexone.Na PJ, Scodes J, Fishman M, Rotrosen J, Nunes EV. Co-occurring Depression and Suicidal Ideation in Opioid Use Disorder: Prevalence and Response During Treatment With Buprenorphine-Naloxone and Injection Naltrexone. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35452194, DOI: 10.4088/jcp.21m14140.
• Increased Admissions of Older Adults to Substance Use Treatment Facilities and Associated Changes in Admission Characteristics, 2000-2017.Na PJ, Rosenheck R, Rhee TG. Increased Admissions of Older Adults to Substance Use Treatment Facilities and Associated Changes in Admission Characteristics, 2000-2017. The Journal Of Clinical Psychiatry 2022, 83 PMID: 35377564, DOI: 10.4088/jcp.21m13938.
• Co-occurring alcohol use disorder and obesity in U.S. military veterans: Prevalence, risk factors, and clinical featuresCarr MM, Serowik KL, Na PJ, Potenza MN, Martino S, Masheb RM, Pietrzak RH. Co-occurring alcohol use disorder and obesity in U.S. military veterans: Prevalence, risk factors, and clinical features Journal Of Psychiatric Research 2022, 150: 64-70. PMID: 35358833, DOI: 10.1016/j.jpsychires.2022.03.039.
• Military sexual trauma in the United States: Results from a population-based studyNichter B, Holliday R, Monteith LL, Na PJ, Hill ML, Kline AC, Norman SB, Pietrzak RH. Military sexual trauma in the United States: Results from a population-based study Journal Of Affective Disorders 2022, 306: 19-27. PMID: 35301038, DOI: 10.1016/j.jad.2022.03.016.
• Cannabis use among U.S. military veterans with subthreshold or threshold posttraumatic stress disorder: Psychiatric comorbidities, functioning, and strategies for coping with posttraumatic stress symptomsHill ML, Loflin M, Nichter B, Na PJ, Herzog S, Norman SB, Pietrzak RH. Cannabis use among U.S. military veterans with subthreshold or threshold posttraumatic stress disorder: Psychiatric comorbidities, functioning, and strategies for coping with posttraumatic stress symptoms Journal Of Traumatic Stress 2022, 35: 1154-1166. PMID: 35275431, DOI: 10.1002/jts.22823.
• “Lives of despair” at risk for “deaths of despair”: tracking an under-recognized, vulnerable populationNa PJ, Stefanovics EA, Rhee TG, Rosenheck RA. “Lives of despair” at risk for “deaths of despair”: tracking an under-recognized, vulnerable population Social Psychiatry And Psychiatric Epidemiology 2022, 57: 1123-1134. PMID: 35028698, PMCID: PMC8757395, DOI: 10.1007/s00127-022-02218-w.
• Depression and/or PTSD Comorbidity Affects Response to Antidepressants in Those With Alcohol Use DisorderNa PJ, Ralevski E, Jegede O, Wolfgang A, Petrakis IL. Depression and/or PTSD Comorbidity Affects Response to Antidepressants in Those With Alcohol Use Disorder Frontiers In Psychiatry 2022, 12: 768318. PMID: 35058816, PMCID: PMC8765227, DOI: 10.3389/fpsyt.2021.768318.
• Epidemiology of DSM-5 alcohol use disorder in U.S. military veterans: Results from the National Health and Resilience in Veterans StudyPanza KE, Kline AC, Na PJ, Potenza MN, Norman SB, Pietrzak RH. Epidemiology of DSM-5 alcohol use disorder in U.S. military veterans: Results from the National Health and Resilience in Veterans Study Drug And Alcohol Dependence 2021, 231: 109240. PMID: 34974271, DOI: 10.1016/j.drugalcdep.2021.109240.
• A population‐wide perspective on the reach of substance use disorders: Parental exposure, diagnostic remission, and current disordersNa PJ, Stefanovics EA, Rhee TG, Rosenheck RA. A population‐wide perspective on the reach of substance use disorders: Parental exposure, diagnostic remission, and current disorders American Journal On Addictions 2021, 31: 69-79. PMID: 34921471, DOI: 10.1111/ajad.13246.
• Resilience in the Face of the COVID-19 Pandemic: A National Study of US Military Veterans.Kachadourian L, Tsai J, Na PJ, Krystal JH, Southwick SM, Pietrzak RH. Resilience in the Face of the COVID-19 Pandemic: A National Study of US Military Veterans. The Primary Care Companion For CNS Disorders 2021, 23 PMID: 34763375, DOI: 10.4088/pcc.21br03075.
• Treatment of substance use disorders among black and white adults: rates, correlates, and racial discriminationBommersbach TJ, Jegede O, Na PJ, Stefanovics EA, Rhee TG, Rosenheck RA. Treatment of substance use disorders among black and white adults: rates, correlates, and racial discrimination Journal Of Addictive Diseases 2021, 40: 345-356. PMID: 34747323, DOI: 10.1080/10550887.2021.1997038.
• Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 PandemicNichter B, Hill ML, Na PJ, Kline AC, Norman SB, Krystal JH, Southwick SM, Pietrzak RH. Prevalence and Trends in Suicidal Behavior Among US Military Veterans During the COVID-19 Pandemic JAMA Psychiatry 2021, 78: 1218-1227. PMID: 34431973, PMCID: PMC8387942, DOI: 10.1001/jamapsychiatry.2021.2332.
• Psychiatric and Substance Use Disorders and Related Service Use in the Diverse Black Sub-Populations in the United StatesJegede O, Na PJ, Rhee TG, Stefanovics EA, Rosenheck RA. Psychiatric and Substance Use Disorders and Related Service Use in the Diverse Black Sub-Populations in the United States Journal Of Racial And Ethnic Health Disparities 2021, 9: 2237-2247. PMID: 34590245, DOI: 10.1007/s40615-021-01163-9.
• Factors associated with post-traumatic growth in response to the COVID-19 pandemic: Results from a national sample of U.S. military veteransNa PJ, Tsai J, Southwick SM, Pietrzak RH. Factors associated with post-traumatic growth in response to the COVID-19 pandemic: Results from a national sample of U.S. military veterans Social Science & Medicine 2021, 289: 114409. PMID: 34537394, PMCID: PMC8445520, DOI: 10.1016/j.socscimed.2021.114409.
• New‐onset and exacerbated insomnia symptoms during the COVID‐19 pandemic in US military veterans: A nationally representative, prospective cohort studyMcCarthy E, DeViva JC, Na PJ, Pietrzak RH. New‐onset and exacerbated insomnia symptoms during the COVID‐19 pandemic in US military veterans: A nationally representative, prospective cohort study Journal Of Sleep Research 2021, 31: e13450. PMID: 34327743, PMCID: PMC8420100, DOI: 10.1111/jsr.13450.
• Severity of substance use as an indicator of suicide risk among U.S. military veteransNa PJ, Nichter B, Hill ML, Kim B, Norman SB, Pietrzak RH. Severity of substance use as an indicator of suicide risk among U.S. military veterans Addictive Behaviors 2021, 122: 107035. PMID: 34246987, DOI: 10.1016/j.addbeh.2021.107035.
• Prevalence, risk and protective factors of alcohol use disorder during the COVID-19 pandemic in U.S. military veteransNa PJ, Norman SB, Nichter B, Hill ML, Rosen MI, Petrakis IL, Pietrzak RH. Prevalence, risk and protective factors of alcohol use disorder during the COVID-19 pandemic in U.S. military veterans Drug And Alcohol Dependence 2021, 225: 108818. PMID: 34171825, PMCID: PMC9758576, DOI: 10.1016/j.drugalcdep.2021.108818.
• Mental health impact of the COVID-19 pandemic in U.S. military veterans: a population-based, prospective cohort studyHill ML, Nichter B, Na PJ, Norman SB, Morland LA, Krystal JH, Pietrzak RH. Mental health impact of the COVID-19 pandemic in U.S. military veterans: a population-based, prospective cohort study Psychological Medicine 2021, 53: 945-956. PMID: 34120667, PMCID: PMC8245339, DOI: 10.1017/s0033291721002361.
• Mental health and suicidal ideation in US military veterans with histories of COVID-19 infectionNa P, Tsai J, Harpaz-Rotem I, Pietrzak R. Mental health and suicidal ideation in US military veterans with histories of COVID-19 infection BMJ Military Health 2021, 168: 15-19. PMID: 34035155, PMCID: PMC8154290, DOI: 10.1136/bmjmilitary-2021-001846.
• Call for Action to Address MH Disparities Impacting Asian Americans and Pacific IslandersNa P, Lee-Tauler S, Lee H. Call for Action to Address MH Disparities Impacting Asian Americans and Pacific Islanders Psychiatric News 2021, 56 DOI: 10.1176/appi.pn.2021.5.31.
• Posttraumatic Distress Symptoms and Their Response to Treatment in Adults With Prolonged Grief Disorder.Na PJ, Adhikari S, Szuhany KL, Chen AZ, Suzuki RR, Malgaroli M, Robinaugh DJ, Bui E, Mauro C, Skritskaya NA, Lebowitz BD, Zisook S, Reynolds CF, Shear MK, Simon NM. Posttraumatic Distress Symptoms and Their Response to Treatment in Adults With Prolonged Grief Disorder. The Journal Of Clinical Psychiatry 2021, 82 PMID: 34000119, DOI: 10.4088/jcp.20m13576.
• Prevalence, risk and protective factors associated with suicidal ideation during the COVID-19 pandemic in U.S. military veterans with pre-existing psychiatric conditionsNa PJ, Tsai J, Hill ML, Nichter B, Norman SB, Southwick SM, Pietrzak RH. Prevalence, risk and protective factors associated with suicidal ideation during the COVID-19 pandemic in U.S. military veterans with pre-existing psychiatric conditions Journal Of Psychiatric Research 2021, 137: 351-359. PMID: 33756377, PMCID: PMC8545743, DOI: 10.1016/j.jpsychires.2021.03.021.
• A systematic review of older adults’ request for or attitude toward euthanasia or assisted-suicideDransart D, Lapierre S, Erlangsen A, Canetto S, Heisel M, Draper B, Lindner R, Richard-Devantoy S, Cheung G, Scocco P, Gusmão R, De Leo D, Inoue K, De Techterman V, Fiske A, Hong J, Landry M, Lepage A, Marcoux I, Na P, Neufeld E, Ummel D, Winslov J, Wong C, Wu J, Wyart M. A systematic review of older adults’ request for or attitude toward euthanasia or assisted-suicide Aging & Mental Health 2019, 25: 420-430. PMID: 31818122, DOI: 10.1080/13607863.2019.1697201.
• The PHQ-9 Item 9 based screening for suicide risk: a validation study of the Patient Health Questionnaire (PHQ)−9 Item 9 with the Columbia Suicide Severity Rating Scale (C-SSRS)Na PJ, Yaramala SR, Kim JA, Kim H, Goes FS, Zandi PP, Voort J, Sutor B, Croarkin P, Bobo WV. The PHQ-9 Item 9 based screening for suicide risk: a validation study of the Patient Health Questionnaire (PHQ)−9 Item 9 with the Columbia Suicide Severity Rating Scale (C-SSRS) Journal Of Affective Disorders 2018, 232: 34-40. PMID: 29477096, DOI: 10.1016/j.jad.2018.02.045.
• The relative influence of individual risk factors for attempted suicide in patients with bipolar I versus bipolar II disorderBobo WV, Na PJ, Geske JR, McElroy SL, Frye MA, Biernacka JM. The relative influence of individual risk factors for attempted suicide in patients with bipolar I versus bipolar II disorder Journal Of Affective Disorders 2017, 225: 489-494. PMID: 28865370, DOI: 10.1016/j.jad.2017.08.076.
• Predictors of suicidal ideation in Korean American older adults: analysis of the Memory and Aging Study of Koreans (MASK)Na PJ, Kim KB, Lee‐Tauler S, Han H, Kim MT, Lee HB. Predictors of suicidal ideation in Korean American older adults: analysis of the Memory and Aging Study of Koreans (MASK) International Journal Of Geriatric Psychiatry 2016, 32: 1272-1279. PMID: 27779333, PMCID: PMC5993045, DOI: 10.1002/gps.4608.
• Utility of pretransplant psychological measures to predict posttransplant outcomes in liver transplant patients: a systematic reviewFineberg SK, West A, Na PJ, Oldham M, Schilsky M, Hawkins KA, Lee HB. Utility of pretransplant psychological measures to predict posttransplant outcomes in liver transplant patients: a systematic review General Hospital Psychiatry 2016, 40: 4-11. PMID: 26947255, DOI: 10.1016/j.genhosppsych.2016.01.006.