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The U.S. Food and Drug Administration (FDA) initiated this study in the Sentinel System to evaluate utilization of Schedule-II (C-II) stimulant drugs labeled to treat attention-deficit/hyperactivity disorder (ADHD), in light of increasing C-II stimulant use in adults since 2000, which accelerated during the COVID-19 pandemic.1 FDA also sought to gain a clearer understanding of utilization patterns and characteristics of patients starting C-II stimulant therapy, having seen reports of concomitant prescribing of ADHD stimulants with sedative/hypnotic medications or with other psychoactive medications.2
This study assessed baseline characteristics and use patterns of adults starting C-II stimulants from January 2017 to March 2023. Results found the average cumulative treatment duration was approximately six months. A substantial number of patients had observed cumulative treatment duration less than one year. The average daily dose, calculated over all dispensings of each commonly prescribed C-II stimulant, was generally typical of routine clinical practice. Use patterns and baseline diagnoses did not meaningfully differ in the pandemic and pre-pandemic periods. The results of this study provided descriptive information that informed the design of studies assessing risks associated with ADHD stimulant use.
- 1 IQVIA Government Solutions, Inc. (2023). Stimulant Prescription Trends in the United States From 2012-2022
- 2 Moore TJ, Wirtz PW, Curran JN, Alexander GC. Medical use and combination drug therapy among US adult users of central nervous system stimulants: a cross-sectional analysis. BMJ Open. 2023 Apr 24;13(4):e069668. doi: 10.1136/bmjopen-2022-069668. PMID: 37094897; PMCID: PMC10186433.