THEBES: Tibolone Endometrium Study (Study 32972)(P06470)
Study Details
Study Description
Brief Summary
Tibolone has been registered for the treatment of climacteric symptoms and for the prevention of postmenopausal osteoporosis. This is a 2-year study to further confirm the endometrial safety of tibolone in comparison with CE/MPA.
Condition or Disease | Intervention/Treatment | Phase |
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Phase 3 |
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Experimental: Tibolone 1.25 mg
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Drug: tibolone
oral 1.25 mg tablet, once daily, for 2 years
|
Experimental: Tibolone 2.5 mg
|
Drug: Tibolone 2.5 mg
oral 2.5 mg tablet, once daily, for 2 years
Other Names:
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Active Comparator: CE/MPA
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Drug: CE/MPA
oral, 0.625 mg tablet conjugated equine estrogen and 2.5 mg medroxyprogesterone acetate tablet placed together in a single capsule, once daily, for 2 years
Other Names:
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Outcome Measures
Primary Outcome Measures
- Endometrial biopsy and histological examination [At 1 year and 2 year.]
Secondary Outcome Measures
- Double-layer endometrial thickness by transvaginal ultrasonography (TVUS), vaginal bleeding from a Bleeding Episode Log. [TVUS: at 1 year and 2 year; Vaginal bleeding: daily recording]
Eligibility Criteria
Criteria
Inclusion Criteria:
- Healthy postmenopausal women, 45 to 65 years of age with an intact uterus. Women must have been postmenopausal for less than 15 years, have an atrophic or inactive endometrium, and a body mass index of 18 - 32 kg/ m2 (inclusive).
Exclusion Criteria:
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Final diagnosis of the endometrial biopsy as 'no tissue' or 'tissue insufficient for diagnosis'.
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Double layer endometrial thickness > 6 mm as assessed by transvaginal ultrasonography (TVUS).
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Any previous or current unopposed estrogen administration or tamoxifen citrate.
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Any unexplained vaginal bleeding following the menopause.
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Women with abnormal Pap smear test results (PAP IIb and higher)
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Previous use of raloxifene hydrochloride for longer than one month.
Contacts and Locations
Locations
No locations specified.Sponsors and Collaborators
- Organon and Co
Investigators
None specified.Study Documents (Full-Text)
None provided.More Information
Publications
- P06470
- 32972