Additional Titles & Roles
- Director, PGY2 Substance Use Disorders Rotation
- Physician-Scientist, NIDA K12 Career Development Award Program in Substance Use and Substance Use Disorders
Education & Training
- NIDA Transdiciplinary Training in Addictions Research (TranSTAR) T32 Program: Washington University, St. Louis, MO, 2023
- Adult Psychiatry Residency: Washington University, St. Louis, MO, 2022
- MD/MPH: Icahn School of Medicine at Mount Sinai, New York, NY, 2018
- BA: Biology, Anthropology: Columbia University, New York, NY, 2014
Major Awards
- American Society for Addiction Medicine (ASAM) Ruth Fox Award; ASAM Most Read Scientific Publications of the Year (2022), 2023
- WUSM Dept. of Psychiatry Excellence in Teaching Award, 2023
- The Eli Robins Award for excellence in research, teaching and clinical psychiatry, WUSM, 2022
- College on Problems of Drug Dependence (CPDD) Travel Award for Early Career Investigators; American Society for Addiction Medicine NIDA Young Investigator Award; American Society of Clinical Psychopharmacology (ASCP) New Investigator Award, The Association for Multidisciplinary Education and Research in Substance use and Addiction (AMERSA) Travel Award, 2022
- APA Psychiatric Research Fellowship Award, APA Research Colloquium for Junior Psychiatrist Investigators, 2022
- Career Development Institute (CDI) for Psychiatry, 2022
- John Renner Award, American Academy of Addiction Psychiatry, 2021
Areas of Clinical Interest
Substance use disorders
Research Interests
1) Examining the comparative effectiveness of medication to treat addiction in birthing people
2) Using real-world data to examine inequities in psychiatric diagnosis
3) Understanding the risks/benefits associated with prescribing controlled substances in people with addiction
4) Evaluating the rational deprescribing and prescribing of psychotropic medications
Key Publications
- Xu KY, Jones HE, Schiff DM, Martin CE, Kelly JC, Carter EB, Bierut LJ, Grucza RA, (2023 Mar). Initiation and Treatment Discontinuation of Medications for Opioid Use Disorder in Pregnant People Compared With Nonpregnant People. Obstet Gynecol.
Read publication »Initiation and Treatment Discontinuation of Medications for Opioid Use Disorder in Pregnant People Compared With Nonpregnant People. - Martin CE, Patel H, Dzierewski JM, Moeller FG, Bierut LJ, Grucza RA, Xu KY, (2023 Mar). Benzodiazepine, Z-Drug and Sleep Medication Prescriptions in Male and Female People with Opioid Use Disorder on Buprenorphine and Comorbid Insomnia: An Analysis of Multi-State Insurance Claims. Sleep.
Read publication »Benzodiazepine, Z-drug, and sleep medication prescriptions in male and female people with opioid use disorder on buprenorphine and comorbid insomnia: an analysis of multistate insurance claims. - Xu KY, Mintz CM, Presnall N, Bierut LJ, Grucza RA, (2022 May). Comparative Effectiveness Associated With Buprenorphine and Naltrexone in Opioid Use Disorder and Cooccurring Polysubstance Use. JAMA Netw Open. 5(5): e2211363.
Read publication »Comparative Effectiveness Associated With Buprenorphine and Naltrexone in Opioid Use Disorder and Cooccurring Polysubstance Use. - Xu KY, Borodovsky JT, Presnall N, Mintz CM, Hartz SM, Bierut LJ, Grucza RA, (2021 Jul). Association Between Benzodiazepine or Z-Drug Prescriptions and Drug-Related Poisonings Among Patients Receiving Buprenorphine Maintenance: A Case-Crossover Analysis. Am J Psychiatry. 178(7): 651-659.
Read publication »Association Between Benzodiazepine or Z-Drug Prescriptions and Drug-Related Poisonings Among Patients Receiving Buprenorphine Maintenance: A Case-Crossover Analysis. - Brown TR, Xu KY, Glowinski AL, (2021 08). Cognitive Behavioral Therapy and the Implementation of Antiracism. JAMA Psychiatry. 78(8): 819-820.
Read publication »Cognitive Behavioral Therapy and the Implementation of Antiracism. - Ellis MS*, Xu KY*, Tardelli VS, Fidalgo TM, Buttram ME, Grucza RA, (2023 Sep). Gabapentin Use Among Individuals Initiating Buprenorphine Treatment for Opioid Use Disorder. JAMA Psychiatry. *=co-first author
Read publication »Gabapentin Use Among Individuals Initiating Buprenorphine Treatment for Opioid Use Disorder.
Funded Research Projects
7/1/2023-present, K12 DA041449 Career Development Award Program in Substance Use and Substance Use Disorders (K12 scholar)
7/1/2024-6/30/2025, WU Here and Now Award (Co-I)
6/1/2024-5/30/2025, Center for Perioperative Mental Health R03 Pilot and Feasibility Grant (PI)
4/17/2023-4/17/2024, WU ICTS Collaborative Administrative Data Research Award (Co-PI)
7/1/2022-6/30/2024, American Psychiatric Association (APA) Psychiatric Research Award (PI)