- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00984399
Serum Estradiol Levels In Postmenopausal Women With Breast Cancer Receiving Adjuvant Aromatase Inhibitors and Vaginal Estrogen
October 18, 2023 updated by: Memorial Sloan Kettering Cancer Center
The purpose of this study is to see if Vagifem® 10mcg is safe for women who have had breast cancer.
Vagifem is an estrogen product.
It is a tiny tablet that is inserted into the vagina.
It relieves vaginal dryness.
Women who have had breast cancer are usually told not to take estrogen.
This is because estrogen use can lead to a breast cancer recurrence or a new primary breast cancer.
It is unclear if the estrogen in Vagifem is only absorbed in the vagina.
It may be absorbed into the blood stream for a short time and may cause a brief rise in your estrogen level.
However, there is no clear evidence that this would cause any bad effects in patients with breast cancer.
How much, if any, of these topical estrogens are absorbed through the vagina is not known.
We also do not know what the impact is of low dose estrogen absorption on breast cancer outcomes.
Also, the absorption should decrease as the mucus membranes are restored after estrogen exposure.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
30
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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New Jersey
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Basking Ridge, New Jersey, United States
- Memorial Sloan Kettering Cancer Center
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New York
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Commack, New York, United States, 11725
- Memorial Sloan Kettering Cancer Center @ Suffolk
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New York, New York, United States, 10065
- Memorial Sloan Kettering Cancer Center
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Rockville Centre, New York, United States
- Memorial Sloan Kettering at Mercy Medical Center
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Sleepy Hollow, New York, United States
- Memorial Sloan Kettering Cancer Center@Phelps Memorial Hospital
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- History of breast cancer, stages I-III with pathology confirmed at MSKCC
- Women who have completed all of their primary treatment (surgery, radiation therapy, adjuvant chemotherapy) with the exception of endocrine therapy and currently have no clinical evidence of disease.
- Women who are currently on aromatase inhibitors for at least three months--either letrozole or anastrozole
- Women with symptomatic urogenital atrophy: vaginal dryness, irritation, pruritus, dyspareunia, urinary frequency and/or urinary incontinence
Menopausal at study entry defined as:
- Bilateral salpingo-oophorectomy independent of age
- If natural menopause, age ≥ 50 with cessation of menses for at least 12 months
- If menopause induced by chemotherapy, age ≥ 50 with no menstrual period at least 12 months after chemotherapy finished
- At least 18 years of age
- Able to participate in the informed consent process
- Gynecology examination within six months
- Able to read/speak English
Exclusion Criteria:
- Inability to give informed consent
- Vaginal bleeding of unknown etiology within 12 months of study entry
- History of prior vaginal 17-β estradiol or other topical estrogen use within the past six months
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: vaginal 17β-estradiol, questionnaire , symptom checklist
This is a prospective longitudinal pilot study, and the targeted patient population is postmenopausal women with breast cancer being treated with adjuvant aromatase inhibitors who are initiated on vaginal 17β-estradiol to relieve symptoms of atrophic vaginitis.
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The goal is to have 30 patients on letrozole and 30 on anastrozole who are initiated on vaginal estrogen for symptoms of urogenital atrophy.
All subjects will receive 10mcg vaginal 17-β estradiol tablets.
Each subject will serve as her own control.
We will monitor serum estradiol and follicle stimulating hormone (FSH) levels closely from 0-24 weeks.
We will measure serum estradiol and FSH levels at baseline, and subsequently at weeks 2, 7, 12, 18 and 24 after commencing therapy with 10mcg vaginal 17-β estradiol.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
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To determine the change in estradiol and follicle stimulating hormone (FSH) from baseline to twelve weeks in postmenopausal women receiving adjuvant aromatase inhibitors during treatment with low dose vaginal 10 µg 17- β estradiol.
Time Frame: 2 years
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2 years
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
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To compare the rise in estradiol in women on letrozole vs. anastrozole during treatment with low dose vaginal 10 µg 17- β estradiol to see if there are differences between aromatase inhibitors.
Time Frame: 2 years
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2 years
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To describe patterns of estradiol and FSH levels over the twenty-four week study period.
Time Frame: 24 weeks
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24 weeks
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To compare the patient's Female Sexual Function Index (FSFI) scores and menopause quality of life questionnaire at baseline, week 12 and week 24.
Time Frame: Week 12 and week 24
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Week 12 and week 24
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Shari Goldfarb, MD, Memorial Sloan Kettering Cancer Center
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
September 1, 2009
Primary Completion (Estimated)
September 1, 2024
Study Completion (Estimated)
September 1, 2024
Study Registration Dates
First Submitted
September 24, 2009
First Submitted That Met QC Criteria
September 24, 2009
First Posted (Estimated)
September 25, 2009
Study Record Updates
Last Update Posted (Actual)
October 19, 2023
Last Update Submitted That Met QC Criteria
October 18, 2023
Last Verified
October 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Skin Diseases
- Neoplasms
- Neoplasms by Site
- Breast Diseases
- Vaginal Diseases
- Female Urogenital Diseases
- Female Urogenital Diseases and Pregnancy Complications
- Urogenital Diseases
- Genital Diseases
- Genital Diseases, Female
- Breast Neoplasms
- Vaginitis
- Atrophic Vaginitis
- Physiological Effects of Drugs
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Estrogens
- Contraceptive Agents, Hormonal
- Contraceptive Agents
- Reproductive Control Agents
- Contraceptive Agents, Female
- Estradiol
- Estradiol 17 beta-cypionate
- Estradiol 3-benzoate
- Polyestradiol phosphate
Other Study ID Numbers
- 09-110
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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