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Understanding CancelRx: Results of End-to-End Functional Testing, Proactive Risk Assessment, and Pilot

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CancelRx electronic cancellations can reduce medication errors but require system enhancements for optimal safety and usability. Further research is needed to fully evaluate its impact on patient safety.

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Area of Science:

  • Health Informatics
  • Medication Safety
  • Clinical Workflow Optimization

Background:

  • Electronic cancellation (CancelRx) allows prescribers to electronically notify pharmacies of discontinued medications.
  • Limited understanding exists regarding CancelRx's functionality and its effects on clinical workflows and medication safety.

Purpose of the Study:

  • To investigate CancelRx functionality and its impact on clinical workflows.
  • To identify medication safety risks associated with CancelRx implementation.
  • To develop strategies for mitigating identified risks.

Main Methods:

  • Utilized direct observations and semi-structured interviews to define CancelRx use cases.
  • Assessed CancelRx through end-to-end testing, proactive risk assessment, and pilot implementation.
  • Conducted pilot implementation from April 16 to July 15, 2018.

Main Results:

  • CancelRx facilitated e-cancellations for e-prescriptions but not other medication types.
  • Risk assessment identified new risks, including failures in sending/acting on cancellations and manual matching errors.
  • Pilot implementation showed high pharmacy approval rates (92.4%) for e-cancellations, with a small percentage requiring manual matching (1.7%).

Conclusions:

  • CancelRx holds potential for reducing adverse events related to medication errors.
  • Enhancements to EHR, pharmacy software, and the CancelRx standard are necessary for improved safety and usability.
  • Further studies are required to comprehensively assess the impact of electronic cancellations on medication safety.