A pilot trial assessing the efficacy of paroxetine hydrochloride (Paxil®) in controlling hot flashes in breast cancer survivors

V. Stearns, C. Isaacs, J. Rowland, J. Crawford, M. J. Ellis, R. Kramer, W. Lawrence, J. J. Hanfelt, D. F. Hayes

Research output: Contribution to journalArticle

Abstract

Background: Many breast cancer survivors suffer debilitating hot flashes. Estrogen, the drug of choice in perimenopausal women, is generally not recommenced to breast cancer survivors. Nonhormonal treatments are mostly disappointing. Anecdotal reports in our institution suggested that the selective serotonin-reuptake inhibitor, paroxetine hydrochloride, might be efficacious in alleviating hot flashes. Patients and methods: Thirty women with prior breast cancer who were suffering at least two hot flashes a day entered a single institution pilot trial to evaluate paroxetine's efficacy in reducing the frequency and severity of hot flashes. After completing daily diaries for one week on no therapy, the women received open-label paroxetine, 10 mg daily for one week, followed by four weeks of paroxetine, 20 mg daily. The women completed hot-flash daily diaries throughout the study period, and a health-related symptom-assessment questionnaire and a quality-of-life rating scale in the first and sixth week of the study. Results: Twenty-seven women completed the six-week study period. The mean reduction of hot flash frequency was 67% (95% confidence interval (95% CI): 56%-79%). The mean reduction in hot flash severity score was 75% (95% CI: 66%85%). There was a statistically significant improvement in depression, sleep, anxiety, and quality of life scores. Furthermore, 25 (83%) of the study participants chose to continue paroxetine therapy at the end of study. The most common adverse effect was somnolence, resulting in drug discontinuation in two women, and dose reduction in two women. One woman discontinued drug due to anxiety. Conclusions: Paroxetine hydrochloride is a promising new treatment for hot flashes in breast cancer survivors, and warrants further evaluation in a double-blind randomized placebo-controlled trial.

Original languageEnglish (US)
Pages (from-to)17-22
Number of pages6
JournalAnnals of Oncology
Volume11
Issue number1
DOIs
StatePublished - Feb 17 2000
Externally publishedYes

Keywords

  • Breast cancer
  • Hot flashes
  • Paroxetine
  • Serotonin uptake inhibitors
  • Survivors

ASJC Scopus subject areas

  • Hematology
  • Oncology

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    Stearns, V., Isaacs, C., Rowland, J., Crawford, J., Ellis, M. J., Kramer, R., Lawrence, W., Hanfelt, J. J., & Hayes, D. F. (2000). A pilot trial assessing the efficacy of paroxetine hydrochloride (Paxil®) in controlling hot flashes in breast cancer survivors. Annals of Oncology, 11(1), 17-22. https://doi.org/10.1023/A:1008382706068