Can vaginal estrogen be safe for breast cancer survivors? new study investigates
NCT ID NCT00984399
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether a low-dose vaginal estrogen tablet (Vagifem) is safe for women who have had breast cancer and are taking aromatase inhibitors. 31 postmenopausal women with a history of breast cancer used the tablet for vaginal dryness. Researchers measured their blood estrogen levels to see if the estrogen gets absorbed into the bloodstream, which could potentially raise cancer risk.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Memorial Sloan Kettering Cancer Center
Basking Ridge, New Jersey, United States
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Memorial Sloan Kettering Cancer Center
New York, New York, 10065, United States
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Memorial Sloan Kettering Cancer Center @ Suffolk
Commack, New York, 11725, United States
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Memorial Sloan Kettering Cancer Center@Phelps Memorial Hospital
Sleepy Hollow, New York, United States
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Memorial Sloan Kettering at Mercy Medical Center
Rockville Centre, New York, United States