Education:
Montana State University
Chemical Engineering, Chemistry and Economics majors, Mathematics minor
B.S.(3), 2017
University of Minnesota
Health Services Research, Policy and Administration Graduate Program
Ph.D, 2024
MSTP Student Governance:
- Student Advisory Committee, 2020-2022
Honors and Awards:
- Ruth L. Kirschstein National Research Service Award for Predoctoral MD/PhD Fellows, National Institute on Drug Abuse, 2023-2027
Thesis Advisor: Tyler Winkelman, M.D.
Thesis Research
Characterizing and assessing factors contributing to increasing methamphetamine and polysubstance use.
Publications (pubmed)
Shearer R, Hagedorn H, Englander H, Siegler T, Kibben R, Fawole A, Patten A, Fitzpatrick A, Laes J, Fernando J, Appleton N, Oot E, Titus H, Krawczyk N, Weinstein Z, McNeely J, Baukol P, Ghitza U, Gustafson D, Bart G, Bazzi A. Barriers and facilitators to implementing treatment for opioid use disorder in community hospitals. J Subst Use Addict Treat. 2024 Dec;167:209520.
Jones C, Ford BR, Shearer RD, Terplan M, Stewart K, Winkelman TNA. Perinatal substance use treatment and criminal legal system referral trends. J Subst Use Addict Treat. 2024 Nov;166:209492.
Shearer R, Englander H, Hagedorn H, Fawole A, Laes J, Titus H, Patten A, Oot E, Appleton N, Fitzpatrick A, Kibben R, Fernando J, McNeely J, Gustafson D, Krawczyk N, Weinstein Z, Baukol P, Ghitza U, Siegler T, Bart G, Bazzi A. Hospital Provider's Perspectives on MOUD Initiation and Continuation After Inpatient Discharge. J Gen Intern Med. 2024 Nov 25. Online ahead of print.
Usset TJ, Baker LD, Griffin BJ, Harris JI, Shearer RD, Munson J, Godzik C, Torrey WC, Bardach SH, Mulley AG Jr, Locke A, Wright HM, Call M, Sexton B, Shanafelt T, Smith AJ. Burnout and turnover risks for healthcare workers in the United States: downstream effects from moral injury exposure. Sci Rep. 2024 Oct 22;14(1):24915. PMCID: PMC11496712
Shearer RD, Hernandez E, Beebe TJ, Virnig BA, Bart G, Winkelman TNA, Bazzi AR, Shippee ND. Providers' Experiences and Perspectives in Treating Patients With Co-Occurring Opioid and Stimulant Use Disorders in the Hospital. Subst Use Addctn J. 2024 Apr;45(2):250-259.
Shearer RD, Segel JE, Howell BA, Jones AA, Khatri UG, Teixeira da Silva D, Vest N, Winkelman TNA. Racial and Ethnic Differences in Heroin, Methamphetamine, and Cocaine Use, Treatment, and Mortality Trends in 3 National Data Sources-United States, 2010-2019. Med Care. 2024 Mar 1;62(3):151-160.
Shearer RD, Shippee ND, Virnig BA, Beebe TJ, Winkelman TNA. Characteristics and co-morbidities associated with hospital discharges for opioid and methamphetamine co-use, United States 2016-2019. Drug Alcohol Depend Rep. 2024 Feb 4;10:100219. PMCID: PMC10864835
Lindsay AR, Winkelman TNA, Bart G, Rhodes MT, Shearer RD. Hospital Addiction Medicine Consultation Service Orders and Outcomes by Patient Race and Ethnicity in an Urban, Safety-Net Hospital. J Gen Intern Med. 2024 Feb;39(2):168-175.
Bunting AM, Shearer R, Linden-Carmichael AN, Williams AR, Comer SD, Cerdá M, Lorvick J. Are you thinking what I'm thinking? Defining what we mean by "polysubstance use.". Am J Drug Alcohol Abuse. 2024 Jan 2;50(1):1-7.
Segel JE, Shearer RD, Jones AA, Khatri UG, Howell BA, Crowley DM, Sterner G, Vest N, Teixeira da Silva D, Winkelman TNA. Understanding Regional Patterns of Overdose Deaths Related to Opioids and Psychostimulants. Subst Use Misuse. 2024;59(4):558-566.
Shearer RD, Rossom R, Christine PJ, Hoover M, Bauch J, Bodurtha P, Rai NK, Clegg M, Westgard BC, Ehresmann KR, Leite Bennett A, Winkelman TNA. Health Aff (Millwood). Minnesota Data Sharing May Be Model For Near-Real-Time Tracking Of Drug Overdose Hospital And ED Trends. 2023 Nov;42(11):1568-1574.
Shearer RD, Howell BA, Khatri UG, Winkelman TNA. Treatment setting among individuals with opioid use and criminal legal involvement, housing instability, or Medicaid insurance, 2015-2021. Drug Alcohol Depend Rep. 2023 Jul 12;8:100179. PMCID: PMC10368753
Shearer RD, Jones A, Howell BA, Segel JE, Winkelman TNA. Associations between prescription and illicit stimulant and opioid use in the United States, 2015-2020. J Subst Abuse Treat. 2022 Dec;143:108894. PMCID: PMC9706463
Shearer RD, Winkelman TNA, Khatri UG. Drug Alcohol Depend. State level variation in substance use treatment admissions among criminal legal-referred individuals. 2022 Nov 1;240:109651.
Shearer RD, Shippee ND, Vickery KD, Stevens MA, Winkelman TNA. A longitudinal cross-sectional analysis of substance use treatment trends for individuals experiencing homelessness, criminal justice involvement, both, or neither - United States, 2006-2018. Lancet Reg Health Am. 2022 Mar;7:100174. PMCID: PMC8979492
Shearer RD, Vickery KD, Bodurtha P, Drawz PE, Johnson S, Jeruzal J, Waring S, Chamberlain AM, Kharbanda AB, Leopold J, Harrison B, Hiler H, Khazanchi R, Rossom R, Margolis KL, Rai NK, Muscoplat MH, Yu Y, Dudley RA, Klyn NAM, Winkelman TNA. COVID-19 Vaccination Of People Experiencing Homelessness And Incarceration In Minnesota. Health Aff (Millwood). 2022 Jun;41(6):846-852.
Moitra E, Tao J, Olsen J, Shearer RD, Wood BR, Busch AM, LaPlante A, Baker JV, Chan PA. Impact of the COVID-19 pandemic on HIV testing rates across four geographically diverse urban centres in the United States: An observational study. Lancet Reg Health Am. 2022 Mar;7:100159. PMCID: PMC8695134
Shearer RD, Lundberg WJ, Baker JV, Vickery KD. Opportunities for Re-Engaging Persons with HIV in Care at a Health Care System in Minneapolis, Minnesota. AIDS Patient Care STDS. 2022 Mar;36(3):83-85. PMCID: PMC8971969
Shearer RD, Bart G, Reznikoff C. Rethinking the Use of "Polysubstance" to Describe Complex Substance Use Patterns. J Gen Intern Med. 2022 Sep;37(12):3174-3175. PMCID: PMC9485401
Lindsay AR, Shearer RD, Bart G, Winkelman TNA. Trends in Substance Use Disorder-related Admissions at a Safety-net Hospital, 2008-2020. J Addict Med. 2022 May-Jun 01;16(3):360-363. PMCID: PMC8828803
Shearer RD, Ford BR, Howell BA. X-Waiver Exemption in the Treatment of Opioid Use Disorder. JAMA. 2021 Aug 3;326(5):441-442. PMCID: PMC9191748
Shearer RD, Shippee ND, Winkelman TNA. Characterizing trends in methamphetamine-related health care use when there is no ICD code for "methamphetamine use disorder". J Subst Abuse Treat. 2021 Aug;127:108369.
Khazanchi R, Winkelman TNA, Pandita D, Jelinek R, Shearer RD, Bodurtha PJ. Patient Characteristics and Subsequent Health Care Use by Location of SARS-CoV-2 Testing Initiation in a Safety-Net Health System. JAMA Netw Open. 2021 Jun 1;4(6):e2112857. PMCID: PMC8188267
Ford BR, Bart G, Grahan B, Shearer RD, Winkelman TNA. Associations Between Polysubstance Use Patterns and Receipt of Medications for Opioid Use Disorder Among Adults in Treatment for Opioid Use Disorder. J Addict Med. 2021 Apr 1;15(2):159-162. PMCID: PMC7969153
Shearer RD. Dedicated to whom? Bias in board preparations. Clin Teach. 2021 Jun;18(3):213-214.
Shearer RD, Howell BA, Bart G, Winkelman TNA. Substance use patterns and health profiles among US adults who use opioids, methamphetamine, or both, 2015-2018. Drug Alcohol Depend. 2020 Sep 1;214:108162. PMCID: PMC8147519
Work prior to the UMN MSTP:
Qazi S, Uchida M, Usselman R, Shearer R, Edwards E, Douglas T. Manganese(III) porphyrins complexed with P22 virus-like particles as T1-enhanced contrast agents for magnetic resonance imaging. J Biol Inorg Chem. 2014 Feb;19(2):237-46. PMCID: PMC4115648
