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Disclaimer In an effort to expedite the publication of articles, AJHP is posting manuscripts online as soon as possible after acceptance. Accepted manuscripts have been peer-reviewed and copyedited, but are posted online before technical formatting and author proofing. These manuscripts are not the final version of record and will be replaced with the final article (formatted per AJHP style and proofed by the authors) at a later time. Purpose This descriptive review aims to describe the impact of controlled substance prescriptive authority (CSPA) among Drug Enforcement Administration (DEA)–registered clinical pharmacist practitioners (pharmacists) within the Veterans Health Administration (VA). The practice perspectives of pharmacists with CSPA are also reviewed. A 3-part methodology included identification and query of DEA-registered pharmacists, practice impact data analysis, and time and motion prescribing analysis. Summary Between quarter 1 of fiscal year 2018 and quarter 2 of fiscal year 2022, the number of DEA-registered pharmacists in the VA grew by 314%, from 21 to 87 pharmacists. Pharmacists in pain management and mental health reported benefits of CSPA, with the most common being practice autonomy (93%), increased efficiency (92%), and reduced burden on other prescribers (89%). Initial challenges to pharmacists obtaining DEA registration included a lack of incentive (46%) and concern about increased liability (37%). A time and motion analysis demonstrated that pharmacists with CSPA saved a median of 12 minutes for prescription writing compared to those without CSPA. Conclusion There is an opportunity for DEA-registered pharmacists to meet patient care needs to fill gaps in care from physician shortages, improve health equity, and provide quality healthcare for vulnerable, underserved populations, especially in areas where controlled substance prescribing is common. To fully optimize the role of the pharmacist, it is imperative that state practice acts be expanded to include pharmacist DEA authority as part of collaborative practice and that fair and equitable payment models be established for pharmacist comprehensive medication management.

Background:The US Department of Health and Human Services' 5-point strategy to combat the opioid overdose public health crisis includes improved pain management. There is a shortage of adequately trained health care providers in pain management. Advanced practice pharmacists may be able to help fill that void. The objective of this project was to identify the impact of an advanced practice pharmacist with controlled substance prescriptive authority on morphine milligram equivalent dose (MME) and compliance with opioid risk mitigation.Methods: In March 2020, a single-site retrospective chart review was conducted of patients who were prescribed controlled substances from July 1, 2018 to January 31, 2020. Patients received care through the outpatient Pharmacy Pain Clinic in-person or via telephone who were enrolled at the Harry S. Truman Memorial Veterans' Hospital in Columbia, Missouri, or associated outlying outpatient clinics. Patients were included if they were referred to the Pharmacy Pain Clinic and prescribed a Schedule II or III opioid medication. A 2-sided t test was conducted to compare MME, and a Fisher exact test was used to compare adherence to opioid risk mitigation.Results: Patients seen in Pharmacy Pain Clinic had a statistically significant reduction in MME from consult (93 MME) to discharge (31 MME) (P < .01). There was also a statistically significant (P < .01) improvement in use of opioid risk mitigation strategies, including urine drug screen, informed consent, naloxone, prescription drug monitoring program checks, and stratification tool for opioid risk mitigation dashboard reviews. Conclusions: An advanced practice pharmacist with controlled substance prescriptive authority improved patient care with demonstrated statistically significant differences in MME and adherence with opioid risk mitigation from consult to discharge. Health care teams should look to add advanced practice pharmacists to their team as medication experts to deliver comprehensive medication management, which can include controlled substance prescribing and management.

The narrow therapeutic index associated with most analgesic opioids creates a high degree of risk, obliging caution in patient selection; this chapter describes screening practices. More attention is due to the use of opioid therapy for chronic non-cancer pain as episodes of respiratory arrest increase. Universal precautions are recommended for all patients. Before and throughout treatment, selected tools assessing risk and misuse should be employed. Increased access to the opioid antagonist naloxone has followed the increase in opioid poisoning deaths; the Risk Index for Overdose or Serious Opioid-induced Respiratory Depression (RIOSORD) helps determine the likelihood of an opioid overdose, serving to select candidates for at-home naloxone access. Urine drug testing aids treatment plan adherence. Tables include: a comparison of screening tools for risk stratification; a comparison of tools for assessment of opioid misuse; the scoring procedure for the RIOSORD; and a list of risk classes with predicted probabilities.