CompletedNot Applicable

Stimulant Overdose in the Medicaid Population: Who is at Risk, and When Are They at Risk

United States634,939 participantsStarted 2021-09-30

Plain-language summary

This project addresses Objective 2 of RFA-CE-21-002: to assess risk and protective factors for illicit stimulant use, use disorder, or overdose that can contribute to the development or adaptation of intervention strategies. The study will 1) develop and validate a model using both person-level and area-level characteristics to identify, among Medicaid enrollees age 15 and older, who is at highest risk of an inpatient hospitalization or emergency department (ED) encounter for overdose from cocaine or other stimulants; 2) develop and validate a model to identify, among those Medicaid enrollees age 15 and older at highest risk of an inpatient hospitalization or ED encounter for stimulant overdose, when they are at highest risk; and 3) among those Medicaid enrollees age 15 and above with a prior inpatient hospitalization or ED encounter for stimulant overdose, to measure the rate of and identify risk and protective factors for a subsequent inpatient hospitalization or ED encounter for overdose from stimulants and/or opioids.

Who can participate

Age range18 Years

SexALL

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Inclusion Criteria: * Cases: Medicaid enrollees who (1) had an inpatient hospitalization or emergency department encounter indicating a stimulant overdose during 2016-2020, (2) had been continuously enrolled in Medicaid from January 1st of the year preceding the year in which the stimulant overdose occurred, and (3) were 15 years old or older as of January 1 of the year of the overdose. * Random subcohort: Medicaid enrollees who (1) had been continuously enrolled in Medicaid for at least one calendar year during 2015-2019, and (2) were 15 years old or older as of January 1 of one year following the last year of continuous enrollment. Exclusion Criteria: * Medicaid enrollees whose data were in the format of Medicaid Analytic eXtract (MAX) in 2015 * Medicaid enrollees whose residence zip code is missing or in Puerto Rico or Virgin Islands * Medicaid enrollees whose residence zip code does not correspond to any ZIP Code Tabulation Area (ZCTA) in the American Community Survey 5-year data

What they're measuring

Rate of stimulant overdose

Timeframe: 2016-2020

Trial details

NCT IDNCT05976984

SponsorUniversity of Pennsylvania

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2022-11-16