Contraception Clinical Trial
Official title:
Multi-center, Open, Randomized, Dose Finding Phase II Study to Investigate Ultra Low Dose Levonorgestrel Contraceptive Intrauterine Systems (LCS) Releasing Different Amounts of Levonorgestrel Compared to MIRENA in Nulliparous and Parous Women in Need of Contraception.
The purpose of this study is to investigate if drug doses lower than the one released from Mirena® would be as effective for contraception as Mirena®. Subjects participating in the study will be randomly assigned to be inserted with any of the three different intrauterine systems (IUSs). The IUSs are nearly alike except that the amount of hormone released from them is different.
The study has previously been posted by Schering AG, Germany. Schering AG, Germany has been
renamed to Bayer Schering Pharma AG, Germany.
Bayer Schering Pharma AG, Germany is the sponsor of the trial.
Although the title of the study describes "open", it was in fact single-blinded.
Issues on side effects are addressed in the Adverse Event section.
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Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Prevention
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