- The Arimidex, Tamoxifen, Alone or in Combination trial (ATAC):
- Found hot flashes are a frequent side effect of anti-estrogen therapy:
- However:
- Anastrozole was associated with significantly fewer hot flashes than tamoxifen:
- 34% vs 40%:
- p<0.0001
- 34% vs 40%:
- Anastrozole was associated with significantly fewer hot flashes than tamoxifen:
- However:
- Because of their negative influence on overall quality of life:
- Hot flashes:
- May decrease medication compliance
- Hot flashes:
- Hot flashes may be decreased or alleviated:
- With non-hormonal therapies:
- A recent systematic review of 13 randomized controlled trials compared possible non-hormonal agents for hot flash treatments:
- Hot flash reduction was equivalent regardless of patient use of tamoxifen or aromatase inhibitor
- Citalopram 10 mg, 20 mg, and 30 mg daily:
- Had comparable outcomes
- Venlafaxine 75 mg daily:
- Improved hot flashes and alleviated hot flash symptoms:
- Faster than clonidine
- Improved hot flashes and alleviated hot flash symptoms:
- Gabapentin 900 mg daily was more effective than 300 mg
- Paroxetine 10 mg daily had fewer side effects than 20 mg
- Interestingly:
- Acupuncture had similar efficacy to venlafaxine and gabapentin and:
- Was suggested to have longer durability with fewer side effects
- Acupuncture had similar efficacy to venlafaxine and gabapentin and:
- Vitamin E has been found to have modest effectiveness:
- At best in small clinical trials
- A recent systematic review of 13 randomized controlled trials compared possible non-hormonal agents for hot flash treatments:
- With non-hormonal therapies:
- Found hot flashes are a frequent side effect of anti-estrogen therapy:
REFERENCES
- Baum M, Budzar AU, Cuzick J, et al. Anastrozole alone or in combination with tamoxifen versus tamoxifen alone for adjuvant treatment of postmenopausal women with early breast cancer: first results of the ATAC randomised trial. Lancet. 2002;359(9324):2131-2139.
- Johns C, Seav SM, Dominick SA, et al. Informing hot flash treatment decisions for breast cancer survivors: a systematic review of randomized trials comparing active interventions. Breast Cancer Res Treat. 2016;156(3):415-426.
- Bordeleau L, Pritchard K, Goodwin P, Loprinzi C. Therapeutic options for the management of hot flashes in breast cancer survivors: an evidence-based review. Clin Ther. 2007;29(2):230-241.
- Loprinzi CL, Wolf SL, Barton DL, Laack NN. Symptom management in premenopausal patients with breast cancer. Lancet Oncol. 2008;9(10):993-1001.
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