Adjuvant bisphosphonate use in patients with early stage breast cancer: Patient perspectives on treatment acceptability and potential de-escalation Journal Articles uri icon

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abstract

  • BACKGROUND: Despite the increasing use of adjuvant bisphosphonates for early stage breast cancer (EBC), little is known about the patient experience with such treatments. A patient survey was performed to identify current prescribing practices, perceptions around the role of treatment, the impact of treatment on patients' quality of life, and future trial designs. METHODS: EBC patients who had either completed or were currently receiving adjuvant bisphosphonates were sent an anonymized survey. The survey collected information on patient and disease characteristics, bisphosphonate scheduling, compliance, and tolerance. Questions also assessed patient interest in trials of de-escalated bisphosphonate therapy. RESULTS: A total of 255 patients were contacted, with 164 eligible respondents (eligible response rate 164/255, 64.3%). Median patient age was 52 years (range 28 to 82 years). The majority (111/163, 68.1%) were postmenopausal at the time of diagnosis, 23.3% (38/163) were premenopausal, and 7.4% (12/163) were perimenopausal. Most patients (78%) had received chemotherapy. Zoledronate was the most commonly used bisphosphonate (92%), with the majority receiving treatment every 6 months for 3 years (73%). While 66% (107/161) of respondents had experienced side effects with treatment, most had, or expected to, complete treatment (154/163, 94%). Provided there was no detriment in breast cancer outcomes, there was strong interest in future studies of de-escalating adjuvant bisphosphonate therapy. CONCLUSION: While most patients tolerate their treatment, there is interest in performing trials of de-escalation of these agents.

authors

  • McGee, Sharon
  • AlZahrani, Mashari
  • Stober, Carol
  • Ng, Terry L
  • Cole, Katherine
  • Larocque, Gail
  • Awan, Arif
  • Sehdev, Sandeep
  • Hilton, John
  • Vandermeer, Lisa
  • Hutton, Brian
  • Pond, Gregory
  • Saunders, Deanna
  • Clemons, Mark

publication date

  • April 2021