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Article History

Received: 3 August 2022

Accepted: 28 September 2022

First Online: 6 October 2022

Declarations

:

: The Research Triangle Institute (RTI) International Institutional Review Board (IRB) reviewed the study protocol (Study ID 21086) and determined that this study met the criteria for exemption from IRB review. The RTI International IRB granted a waiver from requiring written informed consent. The study protocol was also reviewed by the Centers for Medicare and Medicaid Services’ (CMS) Privacy Board, which approved the use of the Medicare Research Identifiable Files (including the master beneficiary summary base file, MedPAR file, outpatient file, carrier [professional/physician] file, part D drug event file, durable medical equipment file, home health agency file) for use in this study under a data use agreement with RTI Health Solutions (DUA RSCH-2020–55942). The study was conducted in accordance with the Declaration of Helsinki.

: Not applicable.

: MET and CD are employees of Acadia Pharmaceuticals, which produces an antipsychotic treatment. GD was an employee of Acadia Pharmaceuticals at the time this work was conducted. JF, HED, LJM, MSA and JBL are employees of RTI Health Solutions. This study was conducted by RTI Health Solutions with funding from Acadia Pharmaceuticals under a contract that included independent publication rights.