2012
DOI: 10.1007/s00404-011-2181-6
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Vaginal estrogen therapy in postmenopausal breast cancer patients treated with aromatase inhibitors

Abstract: Vaginal administration of estradiol is a well known and safe alternative to systemic estrogen therapy, but studies demonstrated significant increases in plasma concentrations of estradiol. Such observations have also been reported in postmenopausal breast cancer patients treated with AIs. Further studies are needed to explore risk of breast cancer recurrence after vaginal estrogen application for patients on adjuvant endocrine therapy with AIs.

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Cited by 59 publications
(30 citation statements)
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References 54 publications
(44 reference statements)
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“…However, it is absorbed systemically to some extent and has been shown to increase serum estradiol levels to variable degrees [86,87]. This raises some concerns about the safety of vaginal estrogens in patients with breast cancer, particularly in patients on AI though the clinical implications of this increase in estrogen on breast cancer outcomes is unclear [82,86]. No increased risk of breast cancer recurrence was observed in a small cohort study (n=69) of women with breast cancer receiving topical vaginal estrogen [88].…”
Section: Vulvovaginal Symptomsmentioning
confidence: 93%
See 1 more Smart Citation
“…However, it is absorbed systemically to some extent and has been shown to increase serum estradiol levels to variable degrees [86,87]. This raises some concerns about the safety of vaginal estrogens in patients with breast cancer, particularly in patients on AI though the clinical implications of this increase in estrogen on breast cancer outcomes is unclear [82,86]. No increased risk of breast cancer recurrence was observed in a small cohort study (n=69) of women with breast cancer receiving topical vaginal estrogen [88].…”
Section: Vulvovaginal Symptomsmentioning
confidence: 93%
“…Potential vaginal irritants such as scented toilet paper, soaps and fabric softeners, as well as synthetic garments should be avoided [59,82]. Regular sexual activity may help promote blood flow to the area improving vaginal atrophy [83].…”
Section: Vulvovaginal Symptomsmentioning
confidence: 99%
“…Le Ray et al n'ont pas rapporté d'augmentation du risque de récidive de cancer mammaire chez les patientes ménopausées ou non, sous Tamoxifène ou anti-aromatase, avec des sécheresses vaginales traitées par OL par rapport au groupe témoin (sans OL) (RR = 0,78 ; IC95 % : 0,48-1,25) [43], mais il s'agissait d'une étude de cohorte rétrospec-tive de faible niveau de preuve. Cependant, aucune donnée de sécurité de niveau de preuve élevé ne peut actuellement autoriser la prescription d'Estradiol ou d'Estrone sous forme locale chez les patientes ayant un antécédent de carcinome mammaire [44,45]. Chez ces dernières, l'utilisation des traitements locaux hormonaux, y compris à faible dose, constitue une contre indication relative et devra être discutés en concertation pluridisciplinaire.…”
Section: Seinunclassified
“…A few small studies have demonstrated significant increases in plasma estradiol concentrations in postmenopausal breast cancer patients on AIs treated with local vaginal estrogen therapy (LVET). However, no studies to date have revealed an increased risk of breast cancer recurrence with LVET use [49] . It is becoming increasingly evident that severe VVA can have a negative impact on quality of life and may result in medication noncompliance.…”
Section: Management Of Vulvovaginal Atrophy In the Breast Cancer Survmentioning
confidence: 99%