Roger W. Sommi, Jr., Pharm.D.

Professor, Pharmacy Practice and Psychiatry, Associate Dean, UMKC School of Pharmacy at MU, Vice Chair, Division of Pharmacy Practice and Administration
Department(s) of Psychiatry
Section: Pharmacology
University of Missouri - Kansas City, Center for Behavorial Medicine
Education and Background

Undergraduate School - B.S., Pharmacy - University of Wisconsin at Madison
Pharm.D. - University of Utah
Residency - Pharmacy - University of Utah Hospital
Fellowship - Psychopharmacy - University of Texas at Austin

Meet Roger Sommi

Specialties and Research/Medical Interests

Pharmacology, psychiatric disorders, schizophrenia

Research Focus

His area of research interest is primarily in outcomes associated with drug treatment of schizophrenia and other psychiatric disorders.  His practice is primarily associated with the ongoing projects in the research program.  He is also a consultant to community mental health centers.  He is also involved with the local Kansas City NAMI as an instructor in the Crisis Intervention Team training program for local law enforcement agencies.

Research Summary

Publications (last 5 years):


Cox S, Brownfield A, Sommi RW.  Implementing a High-Risk Medication Education Introductory Pharmacy Practice Experience.  Currents in Pharmacy Teaching & Learning, 30 Jul 2020, 12(11):1354-1359. DOI: 10.1016/j.cptl.2020.06.001 PMID: 32867934

Sommi R, Rege B, Wehr A, Faldu S, Du Y, Weiden PJ.  Aripiprazole Lauroxil Dosing Regimens: Simplifying the Options for Individual Patients.  Accepted for publication, CNS Spectrums

Stump TA, Nelson LA, Liu Y, Ph.D.2, Kriz CR, Iuppa CA, Diefenderfer LA, Lang SE,Elliott ESR, Sommi RW.  The Effects of Concurrent Oral Paliperidone or Risperidone Use with Paliperidone Long-Acting Injection.  Accepted for Publication, Mental Health Clinician

Burk BG, Iuppa CA, Sommi RW, Kriz CR, Diefenderfer LA, Pharm.D., Elliott ESR, Nelson LA, Dellenbaugh T.  Testing of CYP2D6 genotype: A retrospective review of the impact on psychotropic prescribing in a state psychiatric facility.  Submitted for publication.

Sutera N, Iuppa CA, Nelson LA, Kriz CR, Burns NA, Lang SE,  Elliott ESR, Sommi RW. The Understandability, Actionability, And Quality Of Online Resources For The Self-Management Of Bipolar Disorder.  Submitted for publication.


Gilbert JL, Nelson LA, Kriz CR, Liu Y, Iuppa CA, Diefenderfer LA, Elliott ESR, Sommi RW. Identifying predictors of primary adherence to second-generation long-acting injectable antipsychotics following discharge from an acute inpatient psychiatry unit. Psychopharmacology Bulletin. 2019;49(2):8-16.


Kelsey TL, Diefenderfer TA, Liu Y, Kriz CR, Iuppa CA, Nelson LA, Lang SE, Elliott ESR, Sommi RW. Quantification of intra-individual variation in clozapine plasma concentrations during stable drug therapy.  Submitted for publication.


Naglich AC, Nelson LA, Iuppa C, Diefenderfer LA, Elliott E, Sommi RW.  Plasma Insulin Level Correlation to Metabolic Parameter Shifts in Hospitalized Psychiatric Patients. Prim Care Companion CNS Disord 2017;19(2):16m02086   doi:10.4088/PCC.16m02086.


Gardner KN, Diefenderfer LA, Nelson LA, Iuppa C, Elliott E, Kleinhessilink K, Sass D, Sommi RW.  Cost-avoidance and qualitative analysis of clinical pharmacy interventions by psychiatric pharmacy residents at state psychiatric facilities.  Am J Health Syst Pharm January 1, 2016 73:e46-e53.

Wong KR, Nelson LA, Elliott ESR, Liu Y, Sommi RW, Winans EA.  Utilization of antipsychotic therapeutic drug monitoring at a state psychiatric hospital.  Mental Health Clinician: January 2016-Pharmacokinetics in Psychiatry and Neurology, Vol. 6, No. 1, pp. 1-7.


Green A, Brunette M, Dawson R, Buckley P, Hafez H, Herz M, Narasimhan M, Noordsy D, O’Keefe C, Sommi RW, Wallace A, Weeks M.  Long-acting Injectable vs. Oral Risperidone for Schizophrenia and Co-Occurring Alcohol Disorder: A Randomized Trial.  Journal of Clinical Psychiatry 2015;76(10):1359-1396.