Patients moving between health care settings or providers are at increased risk of complications, including unplanned hospital readmissions and medication errors. Several actions must occur in concert with members of the health care team and across settings to ensure coordinated and continuous care for patients undergoing these transitions of care (TOC). Clinical pharmacists support patients during care transitions by providing interventions and services designed to improve medication outcomes. Clinical pharmacists and team members who support clinical pharmacist activities (eg, pharmacy students, technicians, and residents) are located throughout the care continuum, from acute care to care in the community, with each contributing to improved TOC outcomes. This article provides information on evidence of high‐impact clinical pharmacist TOC practices to serve as a practical guide for practitioners interested in starting or improving TOC activities. This article also addresses current and emerging best practices and offers suggestions for improving clinical pharmacist involvement in care transition activities.
BACKGROUND: Rituximab is a top-selling biologic that was first approved by the FDA in 1997 for a non-Hodgkin lymphoma orphan indication. It has since been approved for additional orphan indications, with rheumatoid arthritis as the only FDA-approved, nonorphan indication. Evidence suggests that rituximab is frequently used off-label, but information on its use over time and indications for use in the United States is limited. OBJECTIVE: To assess incident rituximab use over time in an integrated health care delivery system. METHODS: This was a cross-sectional, retrospective study. Data were collected from administrative databases and manual chart reviews. Patients who received their first rituximab infusion between October 1, 2009, and December 31, 2017, and who were not a part of a clinical trial were included. Indication for use (FDA-approved orphan/nonorphan, off-label) was determined. Proportions of use were assessed over time. Multivariable logistic regression modeling was performed to assess factors associated with receiving rituximab for an FDA-approved indication.RESULTS: A total of 1,674 patients were included. The majority (66.4%) of patients had an FDA-approved indication, with lymphoma being the most common approved indication (66.4%). The most common indication for off-label use was neurologic conditions (72.7%), predominantly demyelinating diseases. Off-label indication use increased from 1.2% in 2009 to 55.6% in 2017. Factors associated with rituximab use for an FDA-approved indication included increased age (adjusted odds ratio [AOR] = 1.05, 95% CI = 1.04-1.07) and increased burden of chronic disease (chronic disease score: AOR = 1.07, 95% CI = 1.02-1.12; Charlson Comorbidity Index score: AOR = 3.52, 95% CI = 3.03-4.10).CONCLUSIONS: Off-label use of rituximab grew dramatically over the course of the study. With the recent FDA approval of the rituximab biosimilar and its expected lower price, off-label use will likely continue to rise. Opportunities for cost savings and to ensure appropriate use of these medications should be evaluated.
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