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Sarah Messmer MD

Sarah Messmer
  • Assistant Professor of Clinical Medicine and Pediatrics
  • University of Illinois Chicago
Gender Pronouns
  • she/her
Contact Information
  • messmer2 [at]
  • (312) 413-0227
  • Institute for Juvenile Research (IJR)
    1747 W. Roosevelt Rd.
    Chicago IL 60612
  • Room #:256

Sarah Messmer, MD is an Assistant Professor of Clinical Medicine and Pediatrics. She is board certified in internal medicine, pediatrics, and addiction medicine. Dr. Messmer provides addiction treatment and primary care for adults and children, including providing low-threshold addiction and primary care treatment at a syringe service program on the west side of Chicago. Her research interests include opioid use disorder treatment, harm reduction, health disparities, implementation science, and LGBTQIA+ health.

  • Substance use disorder, primary care, implementation science, integrating medical care into harm reduction settings

  • Project Name 1 Mobile Medications for Opioid Use Disorder

    Integration of low-threshold buprenorphine treatment into the UIC Community Outreach Intervention Projects (COIP) mobile van-based harm reduction program

  • Project Name 2 Buprenorphine Initiation Study

    Comparing patient and provider experiences with two different buprenorphine initiation protocols (a low-dose protocol vs standard protocol) in a low-threshold mobile setting

  • Cocaine Use Reduction with Buprenorphine (CURB-2)

    Site physician for this NIDA-funded multisite trial to evaluate the safety and efficacy of combined monthly injections of extended-release naltrexone and extended-release buprenorphine for cocaine use disorder treatment

    1. Messmer SE, Elmes AT, Jimenez AD, Murphy AL, Guzman M, Watson DP, Poorman E, Mayer S, Infante AF, Keller EG, Whitfield K, Jarrett JB. Outcomes of a mobile medical unit for low-threshold buprenorphine access targeting opioid overdose hot spots in Chicago. J Subst Use Addict Treat. 2023 Apr 23:209054. doi: 10.1016/j.josat.2023.209054. Epub ahead of print. PMID: 37088399.
    2. Huyck M, Mayer S, Messmer S, Yingling C, Stephenson S. Ultrasound-guided phlebotomy in primary care for people who inject drugs. Harm Reduct J. 2023 Mar 23;20(1):36. doi: 10.1186/s12954-023-00762-5. PMID: 36959607; PMCID: PMC10035178.
    3. Posen A, Keller E, Elmes AT, Messmer S, Gastala N, Neeb C, Jarrett JB. Access to Medication-Assisted Recovery for Opioid Use Disorder: Current Landscape and Limitations. Journal of Family Practice. 2023.
    4. Poorman E, Martin M, Messmer S. Alcohol use disorder. BMJ Best Practice. 2023 Feb 15.
    5. Watson DP, Phalen P, Medcalf S, Messmer S, McGuire A. Evaluation of post-discharge engagement for emergency department patients with opioid use history who received telehealth recovery coaching services. Subst Abuse Treat Prev Policy. 2023 Feb 11;18(1):9. doi: 10.1186/s13011-023-00523-4. PMID: 36774507; PMCID: PMC9922103.
    6. Guzman M, Smith R, Mayer S, Messmer S, Huyck M, Cotler K, Chaisson L, Jimenez A, Guerrero S, Fortson N, Tai R. 1242. Hepatitis C Treatment as a Complement to Syringe Service Programs: Pilot Progress and Pathways Forward. Open Forum Infect Dis. 2022;9(Supplement_2):ofac492.1073. doi:10.1093/ofid/ofac492.1073
    7. Messmer S, Jarrett JB. When Naloxone Isn't Enough. N Engl J Med. 2022;386(21):1967-1969. doi:10.1056/NEJMp2202387.
    8. Shah S, Gartland M, Giri M, Perez M, Ramaiyer M, Avants K, Hussain A, Palacardo F, Messmer S. (2022) Module 6: Pediatrics. In Emery E, DeFries T. (2022). Asylum Medicine Training Initiative: Asylum Medicine Introductory Curriculum. Panopto.
    9. Gastala N, Messmer S, Watson D, Charest T. Practice Pearls: Expand Buprenorphine Treatment via Telehealth. Family Practice Management. May/June 2021.
    10.  Watson D, Swartz J, Robinson-Taylor L, Mackesy-Amiti M, Erwin K, Gastala N, Jimenez A, Staton M, and Messmer S. Syringe service program-based telemedicine linkage to opioid use disorder treatment: protocol for the STAMINA randomized control trial. BMC Public Health. March 2021.
    11. Huyck M., Messmer S, Mayer S, Yingling C. Intrawound injection of heroin as a drug delivery route among a cohort of people who inject drugs. Health Science Reports. January 2021.
    12. Leo, P., Gastala, N., Fleurimont, J., Messmer, S., Maes, P., Richardson, J., Neeb, C., Stackhouse, N., Koruba, S., and Watson, D. A Community Partnership to Improve Access to Buprenorphine in a Homeless Population. The Annals of Family Medicine. January 2021.
    13. Huyck M, Mayer S, Messmer S, Yingling C. Community Wound Care Program within a Syringe Exchange Program, Chicago 2018-2019.  American Journal of Public Health. August 2020.
    14. Reutrakul, S., Genco, M., Salinas, H., Sargis, R., Paul, C., Eisenberg, Y., Fang, J., Caskey, R., Henkle, S., Fatoorehchi, S., Osta, A., Srivastava, P., Johnson, A., Messmer, S., Barnes, M., Pratuangtham, S., Layden, B. Feasibility of Inpatient Continuous Glucose Monitoring During the COVID-19 Pandemic: Early Experience.  Diabetes Care. August 2020.
    15. Gartland, M., Ijadi-Maghsoodi, R., Giri, M., Messmer, S., Peeler, K., Barkoudah, A., Shah, S. Forensic Medical Evaluation of Children Seeking Asylum: A Guide for Pediatricians. Pediatric Annals. 2020.
    16. Austad, K., Chary, A., Mux Xocop, S., Messmer, S., King, N., Carlson, C., Rohloff, P.  Barriers to Cervical Cancer Screening and the Cervical Cancer Care Continuum in Rural Guatemala: A Mixed-Method Analysis. Journal of Global Oncology. June 2018. DOI: 10.1200/JGO.17.00228
    17. Chary, A.N., Messmer, S., Sorenson, E., Henretty, N., Dasgupta, S., and Rohloff, P.J. The Normalization of Childhood Disease: An Ethnographic Study of Child Malnutrition in Rural Guatemala. Human Organization, Vol. 72, No. 2, 2013.
    18. Chary, A.N., Messmer, S., and Rohloff ,P.J. Male Influence on Infant Feeding in Rural Guatemala and Implications for Child Nutrition Interventions. Breastfeeding Medicine. August 2011, 6(4): 227-231. DOI:10.1089/bfm.2011.0015.
    19. Chary, A.N., Dasgupta, S., Messmer, S., and Rohloff, P.J. But One Gets Tired: Breastfeeding, subjugation, and empowerment in rural Guatemala. An Anthropology of Mothering. 2011. Pp 172-182. Toronto: Demeter Press.