Christian Hopfer, MD
Professor, Psychiatry-Substance Dependence

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Medical School:
  • MD, Case Western Reserve University School of Medicine (1992)
Undergraduate Schools:
  • BA, Oberlin College (OH) (1985)
  • BS, Case Western Reserve University (OH) (1988)
Languages: English
Department: Psychiatry-Substance Dependence

Professional Titles

  • Professor, Psychiatry-Substance Dependence
  • Professor

Publications

  • Wills AG, Hopfer C. Phenotypic and genetic relationship between BMI and cigarette smoking in a sample of UK adults. Addict Behav. 2019 Feb;89:98-103. PubMed PMID: 30286397
  • Walters RK, Polimanti R, Johnson EC, McClintick JN, Adams MJ, Adkins AE, Aliev F, Bacanu SA, Batzler A, Bertelsen S, Biernacka JM, Bigdeli TB, Chen LS, Clarke TK, Chou YL, Degenhardt F, Docherty AR, Edwards AC, Fontanillas P, Foo JC, Fox L, Frank J, Giegling I, Gordon S, Hack LM, Hartmann AM, Hartz SM, Heilmann-Heimbach S, Herms S, Hodgkinson C, Hoffmann P, Jan Hottenga J, Kennedy MA, Alanne-Kinnunen M, Konte B, Lahti J, Lahti-Pulkkinen M, Lai D, Ligthart L, Loukola A, Maher BS, Mbarek H, McIntosh AM, McQueen MB, Meyers JL, Milaneschi Y, Palviainen T, Pearson JF, Peterson RE, Ripatti S, Ryu E, Saccone NL, Salvatore JE, Sanchez-Roige S, Schwandt M, Sherva R, Streit F, Strohmaier J, Thomas N, Wang JC, Webb BT, Wedow R, Wetherill L, Wills AG, Boardman JD, Chen D, Choi DS, Copeland WE, Culverhouse RC, Dahmen N, Degenhardt L, Domingue BW, Elson SL, Frye MA, Gäbel W, Hayward C, Ising M, Keyes M, Kiefer F, Kramer J, Kuperman S, Lucae S, Lynskey MT, Maier W, Mann K, Männistö S, Müller-Myhsok B, Murray AD, Nurnberger JI, Palotie A, Preuss U, Räikkönen K, Reynolds MD, Ridinger M, Scherbaum N, Schuckit MA, Soyka M, Treutlein J, Witt S, Wodarz N, Zill P, Adkins DE, Boden JM, Boomsma DI, Bierut LJ, Brown SA, Bucholz KK, Cichon S, Costello EJ, de Wit H, Diazgranados N, Dick DM, Eriksson JG, Farrer LA, Foroud TM, Gillespie NA, Goate AM, Goldman D, Grucza RA, Hancock DB, Harris KM, Heath AC, Hesselbrock V, Hewitt JK, Hopfer CJ, Horwood J, Iacono W, Johnson EO, Kaprio JA, Karpyak VM, Kendler KS, Kranzler HR, Krauter K, Lichtenstein P, Lind PA, McGue M, MacKillop J, Madden PAF, Maes HH, Magnusson P, Martin NG, Medland SE, Montgomery GW, Nelson EC, Nöthen MM, Palmer AA, Pedersen NL, Penninx BWJH, Porjesz B, Rice JP, Rietschel M, Riley BP, Rose R, Rujescu D, Shen PH, Silberg J, Stallings MC, Tarter RE, Vanyukov MM, Vrieze S, Wall TL, Whitfield JB, Zhao H, Neale BM, Gelernter J, Edenberg HJ, Agrawal A. Transancestral GWAS of alcohol dependence reveals common genetic underpinnings with psychiatric disorders. Nat Neurosci. 2018 Dec;21(12):1656-1669. PubMed PMID: 30482948
  • Calcaterra SL, Hopfer CJ, Keniston A, Hull ML. Changes in Healthcare Encounter Rates Possibly Related to Cannabis or Alcohol following Legalization of Recreational Marijuana in a Safety-Net Hospital: An Interrupted Time Series Analysis. J Addict Med. 2018 Nov 20. [Epub ahead of print] PubMed PMID: 30475257
  • Carrico JA, Mahoney K, Raymond KM, Mims L, Smith PC, Sakai JT, Mikulich-Gilbertson SK, Hopfer CJ, Bartels K. The Association of Patient Satisfaction-Based Incentives with Primary Care Physician Opioid Prescribing. J Am Board Fam Med. 2018 Nov-Dec;31(6):941-943. PubMed PMID: 30413550
  • Border R, Corley RP, Brown SA, Hewitt JK, Hopfer CJ, Stallings MC, Wall TL, Young SE, Rhee SH. Predictors of adult outcomes in clinically- and legally-ascertained youth with externalizing problems. PLoS One. 2018;13(11):e0206442. PubMed PMID: 30383806
  • Border R, Corley RP, Brown SA, Hewitt JK, Hopfer CJ, McWilliams SK, Rhea SA, Shriver CL, Stallings MC, Wall TL, Woodward KE, Rhee SH. Independent predictors of mortality in adolescents ascertained for conduct disorder and substance use problems, their siblings and community controls. Addiction. 2018 Nov;113(11):2107-2115. PubMed PMID: 30091161
  • Hopfer CJ. Links Between Childhood Traits and Adult Criminal Behaviors. J Am Acad Child Adolesc Psychiatry. 2018 Aug;57(8):542-543. PubMed PMID: 30071973
  • Minica CC, Verweij KJH, van der Most PJ, Mbarek H, Bernard M, van Eijk KR, Lind PA, Liu MZ, Maciejewski DF, Palviainen T, Sánchez-Mora C, Sherva R, Taylor M, Walters RK, Abdellaoui A, Bigdeli TB, Branje SJT, Brown SA, Casas M, Corley RP, Davey-Smith G, Davies GE, Ehli EA, Farrer L, Fedko IO, Garcia-Martínez I, Gordon SD, Hartman CA, Heath AC, Hickie IB, Hickman M, Hopfer CJ, Hottenga JJ, Kahn RS, Kaprio J, Korhonen T, Kranzler HR, Krauter K, van Lier PAC, Madden PAF, Medland SE, Neale MC, Meeus WHJ, Montgomery GW, Nolte IM, Oldehinkel AJ, Pausova Z, Ramos-Quiroga JA, Richarte V, Rose RJ, Shin J, Stallings MC, Wall TL, Ware JJ, Wright MJ, Zhao H, Koot HM, Paus T, Hewitt JK, Ribasés M, Loukola A, Boks MP, Snieder H, Munafò MR, Gelernter J, Boomsma DI, Martin NG, Gillespie NA, Vink JM, Derks EM. Genome-wide association meta-analysis of age at first cannabis use. Addiction. 2018 Nov;113(11):2073-2086. PubMed PMID: 30003630
  • Curry I, Trim RS, Brown SA, Hopfer CJ, Stallings MC, Wall TL. Positive expectancies mediate the association between sensation seeking and marijuana outcomes in at-risk young adults: A test of the acquired preparedness model. Am J Addict. 2018 Jun 6. [Epub ahead of print] PubMed PMID: 29873863
  • Hoffenberg EJ, McWilliams SK, Mikulich-Gilbertson SK, Murphy BV, Lagueux M, Robbins K, Hoffenberg AS, de Zoeten E, Hopfer CJ. Marijuana Use by Adolescents and Young Adults with Inflammatory Bowel Disease. J Pediatr. 2018 Apr 16. [Epub ahead of print] PubMed PMID: 29673723
  • Bartels K, Fernandez-Bustamante A, McWilliams SK, Hopfer CJ, Mikulich-Gilbertson SK. Long-term opioid use after inpatient surgery - A retrospective cohort study. Drug Alcohol Depend. 2018 Jun 1;187:61-65. PubMed PMID: 29627407
  • Kim J, Coors ME, Young SE, Raymond KM, Hopfer CJ, Wall TL, Corley RP, Brown SA, Sakai JT. Cannabis use disorder and male sex predict medical cannabis card status in a sample of high risk adolescents. Drug Alcohol Depend. 2017 Dec 2;183:25-33. [Epub ahead of print] PubMed PMID: 29223914
  • Al-Tayyib A, Riggs P, Mikulich-Gilbertson S, Hopfer C. Prevalence of Nonmedical Use of Prescription Opioids and Association With Co-occurring Substance Use Disorders Among Adolescents in Substance Use Treatment. J Adolesc Health. 2017 Nov 22. [Epub ahead of print] PubMed PMID: 29174697
  • Curry I, Luk JW, Trim RS, Hopfer CJ, Hewitt JK, Stallings MC, Brown SA, Wall TL. Impulsivity Dimensions and Risky Sex Behaviors in an At-Risk Young Adult Sample. Arch Sex Behav. 2017 Sep 7. [Epub ahead of print] PubMed PMID: 28884246
  • Clark DB, Fisher CB, Bookheimer S, Brown SA, Evans JH, Hopfer C, Hudziak J, Montoya I, Murray M, Pfefferbaum A, Yurgelun-Todd D. Biomedical ethics and clinical oversight in multisite observational neuroimaging studies with children and adolescents: The ABCD experience. Dev Cogn Neurosci. 2017 Jun 28. [Epub ahead of print] PubMed PMID: 28716389
  • Kim J, Coors ME, Young SE, Raymond KM, Hopfer CJ, Wall TL, Corley RP, Brown SA, Sakai JT. Cannabis use disorder and male sex predict medical cannabis card status in a sample of high risk adolescents. Drug Alcohol Depend. 2017 Dec 2;183:25-33. [Epub ahead of print] PubMed PMID: 29223914
  • Al-Tayyib A, Riggs P, Mikulich-Gilbertson S, Hopfer C. Prevalence of Nonmedical Use of Prescription Opioids and Association With Co-occurring Substance Use Disorders Among Adolescents in Substance Use Treatment. J Adolesc Health. 2017 Nov 22. [Epub ahead of print] PubMed PMID: 29174697
  • Luk JW, Trim RS, Karyadi KA, Curry I, Hopfer CJ, Hewitt JK, Stallings MC, Brown SA, Wall TL. Unique and interactive effects of impulsivity facets on reckless driving and driving under the influence in a high-risk young adult sample. Pers Individ Dif. 2017 Aug 1;114:42-47. PubMed PMID: 29038610
  • Curry I, Luk JW, Trim RS, Hopfer CJ, Hewitt JK, Stallings MC, Brown SA, Wall TL. Impulsivity Dimensions and Risky Sex Behaviors in an At-Risk Young Adult Sample. Arch Sex Behav. 2017 Sep 7. [Epub ahead of print] PubMed PMID: 28884246
  • Clark DB, Fisher CB, Bookheimer S, Brown SA, Evans JH, Hopfer C, Hudziak J, Montoya I, Murray M, Pfefferbaum A, Yurgelun-Todd D. Biomedical ethics and clinical oversight in multisite observational neuroimaging studies with children and adolescents: The ABCD experience. Dev Cogn Neurosci. 2017 Jun 28. [Epub ahead of print] PubMed PMID: 28716389
  • Klawitter J, Sempio C, Mörlein S, De Bloois E, Klepacki J, Henthorn T, Leehey MA, Hoffenberg EJ, Knupp K, Wang GS, Hopfer C, Kinney G, Bowler R, Foreman N, Galinkin J, Christians U, Klawitter J. An Atmospheric Pressure Ionization MS/MS Assay using Online Extraction for the Analysis of 11 Cannabinoids and Metabolites in Human Plasma and Urine. Ther Drug Monit. 2017 Jun 19. [Epub ahead of print] PubMed PMID: 28640062
  • Wills AG, Evans LM, Hopfer C. Phenotypic and Genetic Relationship Between BMI and Drinking in a Sample of UK Adults. Behav Genet. 2017 May;47(3):290-297. PubMed PMID: 28238197
  • Melroy-Greif WE, Vadasz C, Kamens HM, McQueen MB, Corley RP, Stallings MC, Hopfer CJ, Krauter KS, Brown SA, Hewitt JK, Ehringer MA. Test for association of common variants in GRM7 with alcohol consumption. Alcohol. 2016 Sep;55:43-50. PubMed PMID: 27788777
  • Luk JW, Worley MJ, Winiger E, Trim RS, Hopfer CJ, Hewitt JK, Brown SA, Wall TL. Risky driving and sexual behaviors as developmental outcomes of co-occurring substance use and antisocial behavior. Drug Alcohol Depend. 2016 Dec 1;169:19-25. PubMed PMID: 27750183
  • Hopfer C. Declining Rates of Adolescent Marijuana Use Disorders During the Past Decade May Be Due to Declining Conduct Problems. J Am Acad Child Adolesc Psychiatry. 2016 Jun;55(6):439-40. PubMed PMID: 27238061
  • Choi TK, Worley MJ, Trim RS, Howard D, Brown SA, Hopfer CJ, Hewitt JK, Wall TL. Effect of adolescent substance use and antisocial behavior on the development of early adulthood depression. Psychiatry Res. 2016 Apr 30;238:143-9. PubMed PMID: 27086224
  • Kamens HM, Corley RP, Richmond PA, Darlington TM, Dowell R, Hopfer CJ, Stallings MC, Hewitt JK, Brown SA, Ehringer MA. Evidence for Association Between Low Frequency Variants in CHRNA6/CHRNB3 and Antisocial Drug Dependence. Behav Genet. 2016 Sep;46(5):693-704. PubMed PMID: 27085880
  • Melroy-Greif WE, Vadasz C, Kamens HM, McQueen MB, Corley RP, Stallings MC, Hopfer CJ, Krauter KS, Brown SA, Hewitt JK, Ehringer MA. Test for association of common variants in GRM7 with alcohol consumption. Alcohol. 2016 Sep;55:43-50. PubMed PMID: 27788777
  • Luk JW, Worley MJ, Winiger E, Trim RS, Hopfer CJ, Hewitt JK, Brown SA, Wall TL. Risky driving and sexual behaviors as developmental outcomes of co-occurring substance use and antisocial behavior. Drug Alcohol Depend. 2016 Dec 1;169:19-25. PubMed PMID: 27750183
  • Hopfer C. Declining Rates of Adolescent Marijuana Use Disorders During the Past Decade May Be Due to Declining Conduct Problems. J Am Acad Child Adolesc Psychiatry. 2016 Jun;55(6):439-40. PubMed PMID: 27238061
  • Choi TK, Worley MJ, Trim RS, Howard D, Brown SA, Hopfer CJ, Hewitt JK, Wall TL. Effect of adolescent substance use and antisocial behavior on the development of early adulthood depression. Psychiatry Res. 2016 Apr 30;238:143-9. PubMed PMID: 27086224
  • Kamens HM, Corley RP, Richmond PA, Darlington TM, Dowell R, Hopfer CJ, Stallings MC, Hewitt JK, Brown SA, Ehringer MA. Evidence for Association Between Low Frequency Variants in CHRNA6/CHRNB3 and Antisocial Drug Dependence. Behav Genet. 2016 Sep;46(5):693-704. PubMed PMID: 27085880
  • Bartels K, Binswanger IA, Hopfer CJ. Sources of Prescription Opioids for Nonmedical Use. J Addict Med. 2016 Mar-Apr;10(2):134. PubMed PMID: 26985647
  • Haberstick BC, Boardman JD, Wagner B, Smolen A, Hewitt JK, Killeya-Jones LA, Tabor J, Halpern CT, Brummett BH, Williams RB, Siegler IC, Hopfer CJ, Mullan Harris K. Depression, Stressful Life Events, and the Impact of Variation in the Serotonin Transporter: Findings from the National Longitudinal Study of Adolescent to Adult Health (Add Health). PLoS One. 2016 Mar 3;11(3):e0148373. PubMed PMID: 26938215
  • Bartels K, Mayes LM, Dingmann C, Bullard KJ, Hopfer CJ, Binswanger IA. Opioid Use and Storage Patterns by Patients after Hospital Discharge following Surgery. PLoS One. 2016;11(1):e0147972. PubMed PMID: 26824844
  • Coors ME, Raymond KM, Hopfer CJ, Sakai J, McWilliams SK, Young S, Mikulich-Gilbertson SK. Adolescents with substance use disorder and assent/consent: Empirical data on understanding biobank risks in genomic research. Drug Alcohol Depend. 2015 Dec 21. [Epub ahead of print] PubMed PMID: 26774949
  • Schwantes-An TH, Zhang J, Chen LS, Hartz SM, Culverhouse RC, Chen X, Coon H, Frank J, Kamens HM, Konte B, Kovanen L, Latvala A, Legrand LN, Maher BS, Melroy WE, Nelson EC, Reid MW, Robinson JD, Shen PH, Yang BZ, Andrews JA, Aveyard P, Beltcheva O, Brown SA, Cannon DS, Cichon S, Corley RP, Dahmen N, Degenhardt L, Foroud T, Gaebel W, Giegling I, Glatt SJ, Grucza RA, Hardin J, Hartmann AM, Heath AC, Herms S, Hodgkinson CA, Hoffmann P, Hops H, Huizinga D, Ising M, Johnson EO, Johnstone E, Kaneva RP, Kendler KS, Kiefer F, Kranzler HR, Krauter KS, Levran O, Lucae S, Lynskey MT, Maier W, Mann K, Martin NG, Mattheisen M, Montgomery GW, Müller-Myhsok B, Murphy MF, Neale MC, Nikolov MA, Nishita D, Nöthen MM, Nurnberger J, Partonen T, Pergadia ML, Reynolds M, Ridinger M, Rose RJ, Rouvinen-Lagerström N, Scherbaum N, Schmäl C, Soyka M, Stallings MC, Steffens M, Treutlein J, Tsuang M, Wall TL, Wodarz N, Yuferov V, Zill P, Bergen AW, Chen J, Cinciripini PM, Edenberg HJ, Ehringer MA, Ferrell RE, Gelernter J, Goldman D, Hewitt JK, Hopfer CJ, Iacono WG, Kaprio J, Kreek MJ, Kremensky IM, Madden PA, McGue M, Munafò MR, Philibert RA, Rietschel M, Roy A, Rujescu D, Saarikoski ST, Swan GE, Todorov AA, Vanyukov MM, Weiss RB, Bierut LJ, Saccone NL. Association of the OPRM1 Variant rs1799971 (A118G) with Non-Specific Liability to Substance Dependence in a Collaborative de novo Meta-Analysis of European-Ancestry Cohorts. Behav Genet. 2015 Sep 21. [Epub ahead of print] PubMed PMID: 26392368
  • Derringer J, Corley RP, Haberstick BC, Young SE, Demmitt BA, Howrigan DP, Kirkpatrick RM, Iacono WG, McGue M, Keller MC, Brown S, Tapert S, Hopfer CJ, Stallings MC, Crowley TJ, Rhee SH, Krauter K, Hewitt JK, McQueen MB. Genome-Wide Association Study of Behavioral Disinhibition in a Selected Adolescent Sample. Behav Genet. 2015 Jan 31. [Epub ahead of print] PubMed PMID: 25637581
  • Coors ME, Raymond KM, McWilliams SK, Hopfer CJ, Mikulich-Gilbertson SK. What adolescents enrolled in genomic addiction research want to know about conflicts of interest. Drug Alcohol Depend. 2015 Feb 1;147:272-5. PubMed PMID: 25577477
  • El Omari F, Salomonsen-Sautel S, Hoffenberg A, Anderson T, Hopfer C, Toufiq J. Prevalence of substance use among moroccan adolescents and association with academic achievement. World J Psychiatry. 2015 Dec 22;5(4):425-31. PubMed PMID: 26740934
  • Schwantes-An TH, Zhang J, Chen LS, Hartz SM, Culverhouse RC, Chen X, Coon H, Frank J, Kamens HM, Konte B, Kovanen L, Latvala A, Legrand LN, Maher BS, Melroy WE, Nelson EC, Reid MW, Robinson JD, Shen PH, Yang BZ, Andrews JA, Aveyard P, Beltcheva O, Brown SA, Cannon DS, Cichon S, Corley RP, Dahmen N, Degenhardt L, Foroud T, Gaebel W, Giegling I, Glatt SJ, Grucza RA, Hardin J, Hartmann AM, Heath AC, Herms S, Hodgkinson CA, Hoffmann P, Hops H, Huizinga D, Ising M, Johnson EO, Johnstone E, Kaneva RP, Kendler KS, Kiefer F, Kranzler HR, Krauter KS, Levran O, Lucae S, Lynskey MT, Maier W, Mann K, Martin NG, Mattheisen M, Montgomery GW, Müller-Myhsok B, Murphy MF, Neale MC, Nikolov MA, Nishita D, Nöthen MM, Nurnberger J, Partonen T, Pergadia ML, Reynolds M, Ridinger M, Rose RJ, Rouvinen-Lagerström N, Scherbaum N, Schmäl C, Soyka M, Stallings MC, Steffens M, Treutlein J, Tsuang M, Wall TL, Wodarz N, Yuferov V, Zill P, Bergen AW, Chen J, Cinciripini PM, Edenberg HJ, Ehringer MA, Ferrell RE, Gelernter J, Goldman D, Hewitt JK, Hopfer CJ, Iacono WG, Kaprio J, Kreek MJ, Kremensky IM, Madden PA, McGue M, Munafò MR, Philibert RA, Rietschel M, Roy A, Rujescu D, Saarikoski ST, Swan GE, Todorov AA, Vanyukov MM, Weiss RB, Bierut LJ, Saccone NL. Association of the OPRM1 Variant rs1799971 (A118G) with Non-Specific Liability to Substance Dependence in a Collaborative de novo Meta-Analysis of European-Ancestry Cohorts. Behav Genet. 2015 Sep 21. [Epub ahead of print] PubMed PMID: 26392368
  • Coors ME, Raymond KM, McWilliams SK, Hopfer CJ, Mikulich-Gilbertson SK. Adolescent perspectives on the return of individual results in genomic addiction research. Psychiatr Genet. 2015 Jun;25(3):127-30. PubMed PMID: 25748091
  • Derringer J, Corley RP, Haberstick BC, Young SE, Demmitt BA, Howrigan DP, Kirkpatrick RM, Iacono WG, McGue M, Keller MC, Brown S, Tapert S, Hopfer CJ, Stallings MC, Crowley TJ, Rhee SH, Krauter K, Hewitt JK, McQueen MB. Genome-Wide Association Study of Behavioral Disinhibition in a Selected Adolescent Sample. Behav Genet. 2015 Jan 31. [Epub ahead of print] PubMed PMID: 25637581
  • Coors ME, Raymond KM, McWilliams SK, Hopfer CJ, Mikulich-Gilbertson SK. What adolescents enrolled in genomic addiction research want to know about conflicts of interest. Drug Alcohol Depend. 2015 Feb 1;147:272-5. PubMed PMID: 25577477
  • Trim RS, Worley MJ, Wall TL, Hopfer CJ, Crowley TJ, Hewitt JK, Brown SA. Bivariate Trajectories of Substance Use and Antisocial Behavior: Associations with Emerging Adult Outcomes in a High-Risk Sample. Emerg Adulthood. 2015 Aug 1;3(4):265-276. PubMed PMID: 26889401
  • El Omari F, Salomonsen-Sautel S, Hoffenberg A, Anderson T, Hopfer C, Toufiq J. Prevalence of substance use among moroccan adolescents and association with academic achievement. World J Psychiatry. 2015 Dec 22;5(4):425-31. PubMed PMID: 26740934
  • Hopfer C. Community, siblings, heritability and the risk for drug abuse. Am J Psychiatry. 2014 Feb 1;171(2):140-1. PubMed PMID: 24500456
  • Haberstick BC, Young SE, Zeiger JS, Lessem JM, Hewitt JK, Hopfer CJ. Prevalence and correlates of alcohol and cannabis use disorders in the United States: Results from the national longitudinal study of adolescent health. Drug Alcohol Depend. 2014 Mar 1;136:158-61. PubMed PMID: 24440049
  • Haberstick BC, Lessem JM, Hewitt JK, Smolen A, Hopfer CJ, Halpern CT, Killeya-Jones LA, Boardman JD, Tabor J, Siegler IC, Williams RB, Mullan Harris K. MAOA genotype, childhood maltreatment, and their interaction in the etiology of adult antisocial behaviors. Biol Psychiatry. 2014 Jan 1;75(1):25-30. PubMed PMID: 23726513
  • Hopfer C. Implications of marijuana legalization for adolescent substance use. Subst Abus. 2014;35(4):331-5. PubMed PMID: 25127003
  • Salomonsen-Sautel S, Min SJ, Sakai JT, Thurstone C, Hopfer C. Trends in fatal motor vehicle crashes before and after marijuana commercialization in Colorado. Drug Alcohol Depend. 2014 Jul 1;140:137-44. PubMed PMID: 24831752
  • Melroy WE, Stephens SH, Sakai JT, Kamens HM, McQueen MB, Corley RP, Stallings MC, Hopfer CJ, Krauter KS, Brown SA, Hewitt JK, Ehringer MA. Examination of genetic variation in GABRA2 with conduct disorder and alcohol abuse and dependence in a longitudinal study. Behav Genet. 2014 Jul;44(4):356-67. PubMed PMID: 24687270
  • Hopfer C. Community, siblings, heritability and the risk for drug abuse. Am J Psychiatry. 2014 Feb 1;171(2):140-1. PubMed PMID: 24500456
  • Haberstick BC, Lessem JM, Hewitt JK, Smolen A, Hopfer CJ, Halpern CT, Killeya-Jones LA, Boardman JD, Tabor J, Siegler IC, Williams RB, Mullan Harris K. MAOA genotype, childhood maltreatment, and their interaction in the etiology of adult antisocial behaviors. Biol Psychiatry. 2014 Jan 1;75(1):25-30. PubMed PMID: 23726513
  • Stephens SH, Hartz SM, Hoft NR, Saccone NL, Corley RC, Hewitt JK, Hopfer CJ, Breslau N, Coon H, Chen X, Ducci F, Dueker N, Franceschini N, Frank J, Han Y, Hansel NN, Jiang C, Korhonen T, Lind PA, Liu J, Lyytikäinen LP, Michel M, Shaffer JR, Short SE, Sun J, Teumer A, Thompson JR, Vogelzangs N, Vink JM, Wenzlaff A, Wheeler W, Yang BZ, Aggen SH, Balmforth AJ, Baumeister SE, Beaty TH, Benjamin DJ, Bergen AW, Broms U, Cesarini D, Chatterjee N, Chen J, Cheng YC, Cichon S, Couper D, Cucca F, Dick D, Foroud T, Furberg H, Giegling I, Gillespie NA, Gu F, Hall AS, Hällfors J, Han S, Hartmann AM, Heikkilä K, Hickie IB, Hottenga JJ, Jousilahti P, Kaakinen M, Kähönen M, Koellinger PD, Kittner S, Konte B, Landi MT, Laatikainen T, Leppert M, Levy SM, Mathias RA, McNeil DW, Medland SE, Montgomery GW, Murray T, Nauck M, North KE, Paré PD, Pergadia M, Ruczinski I, Salomaa V, Viikari J, Willemsen G, Barnes KC, Boerwinkle E, Boomsma DI, Caporaso N, Edenberg HJ, Francks C, Gelernter J, Grabe HJ, Hops H, Jarvelin MR, Johannesson M, Kendler KS, Lehtimäki T, Magnusson PK, Marazita ML, Marchini J, Mitchell BD, Nöthen MM, Penninx BW, Raitakari O, Rietschel M, Rujescu D, Samani NJ, Schwartz AG, Shete S, Spitz M, Swan GE, Völzke H, Veijola J, Wei Q, Amos C, Cannon DS, Grucza R, Hatsukami D, Heath A, Johnson EO, Kaprio J, Madden P, Martin NG, Stevens VL, Weiss RB, Kraft P, Bierut LJ, Ehringer MA. Distinct loci in the CHRNA5/CHRNA3/CHRNB4 gene cluster are associated with onset of regular smoking. Genet Epidemiol. 2013 Dec;37(8):846-59. PubMed PMID: 24186853
  • Thurstone C, Salomonsen-Sautel S, Mikulich-Gilbertson SK, Hartman CA, Sakai JT, Hoffenberg AS, McQueen MB, Min SJ, Crowley TJ, Corley RP, Hewitt JK, Hopfer CJ. Prevalence and predictors of injection drug use and risky sexual behaviors among adolescents in substance treatment. Am J Addict. 2013 Nov-Dec;22(6):558-65. PubMed PMID: 24131163
  • Palmer RH, Young SE, Corley RP, Hopfer CJ, Stallings MC, Hewitt JK. Stability and change of genetic and environmental effects on the common liability to alcohol, tobacco, and cannabis DSM-IV dependence symptoms. Behav Genet. 2013 Sep;43(5):374-85. PubMed PMID: 23760788
  • Palmer RH, Knopik VS, Rhee SH, Hopfer CJ, Corley RC, Young SE, Stallings MC, Hewitt JK. Prospective effects of adolescent indicators of behavioral disinhibition on DSM-IV alcohol, tobacco, and illicit drug dependence in young adulthood. Addict Behav. 2013 Sep;38(9):2415-21. PubMed PMID: 23685327
  • Hopfer C, Salomonsen-Sautel S, Mikulich-Gilbertson S, Min SJ, McQueen M, Crowley T, Young S, Corley R, Sakai J, Thurstone C, Hoffenberg A, Hartman C, Hewitt J. Conduct disorder and initiation of substance use: a prospective longitudinal study. J Am Acad Child Adolesc Psychiatry. 2013 May;52(5):511-518.e4. PubMed PMID: 23622852
  • Hartman C, Hopfer C, Corley R, Hewitt J, Stallings M. Using Cloninger's temperament scales to predict substance-related behaviors in adolescents: a prospective longitudinal study. Am J Addict. 2013 May-Jun;22(3):246-51. PubMed PMID: 23617866
  • Kamens HM, Corley RP, McQueen MB, Stallings MC, Hopfer CJ, Crowley TJ, Brown SA, Hewitt JK, Ehringer MA. Nominal association with CHRNA4 variants and nicotine dependence. Genes Brain Behav. 2013 Apr;12(3):297-304. PubMed PMID: 23350800
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Professional Memberships

  • American Academy of Child and Adolescent Psychiatry , Member
  • Colorado Child and Adolescent Psychiatric Society , Member
  • American Psychiatric Association , Member

Practice Locations

Hospital Affiliation
  • University of Colorado Hospital

Specialty Information

Specialties
  • Psychiatry, Board Certification (2009)
  • Addiction Medicine, Board Certification

General Information

Medical Schools:
  • MD, Case Western Reserve University School of Medicine (1992)
Undergraduate Schools:
  • BA, Oberlin College (OH) (1985)
  • BS, Case Western Reserve University (OH) (1988)
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Languages: English
Department: Psychiatry-Substance Dependence
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