Endometrial Safety Study
- Conditions
- Postmenopause
- Interventions
- Drug: 0.25mg DRSP / 0.5mg E2 (BAY86-4891)Drug: 0.5mg NETA / 1.0mg E2 (Activella)
- Registration Number
- NCT00522873
- Lead Sponsor
- Bayer
- Brief Summary
The study is designed to investigate the safety of the investigational product for the lining of the uterus (endometrium).
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- Female
- Target Recruitment
- 662
- Postmenopausal women between 40 and 65 years of age with hormone therapy indication (symptoms and need for treatment)
- Non-hysterectomized women.
- Usual exclusion criteria for hormone therapy apply.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description 0.25mg DRSP / 0.5mg E2 (BAY86-4891) 0.25mg DRSP / 0.5mg E2 (BAY86-4891) One capsule \[0.25mg drospirenone/0.5mg 17β-estradiol (DRSP/E2)\] per day taken orally for 13 cycles (28 days per cycle). 0.5mg NETA / 1.0mg E2 (Activella) 0.5mg NETA / 1.0mg E2 (Activella) One capsule \[0.5mg norethisterone acetate/1.0mg 17β-estradiol (NETA/E2)\] per day taken orally for 13 cycles (28 days per cycle).
- Primary Outcome Measures
Name Time Method Number of Participants in the DRSP/E2 Group With an Assessment of Endometrial Hyperplasia or Worse at End of Study (EoS) (1 Year of Treatment) Up to one year The number of women who had a biopsy classified as 'hyperplasia or worse' at any time during the study. According to the protocol this endpoint was defined as primary for the DRSP/E2 group only.
- Secondary Outcome Measures
Name Time Method Number of Participants With Amenorrhea During Month 1 to 3 of Treatment Month 1 to Month 3 The women were to record daily in a diary, indicating 'no bleeding', 'spotting', 'light bleeding', 'normal bleeding' or 'heavy bleeding'. Women were considered to have amenorrhea if they had no bleeding and no spotting day within the given time interval.
Number of Participants With Amenorrhea During Month 10 to 12 of Treatment Month 10 to Month 12 The women were to record any bleeding daily in a diary, indicating 'no bleeding', 'spotting', 'light bleeding', 'normal bleeding' or 'heavy bleeding'. Women were considered to have amenorrhea if they had no bleeding and no spotting day within the given time interval.