Abstract
Kyleena™ is a levonorgestrel (LNG) intrauterine system (IUS) that releases 12 μg of LNG daily during the first year of use (LNG-IUS 12). It is the first low-dose LNG IUS approved for use for up to 5 years. Clinical trials in nulliparous and parous women demonstrated that LNG-IUS 12 is highly effective in preventing pregnancy and generally well tolerated for periods of up to 5 years. Kyleena™ has a smaller hormone reservoir and T-frame than some other LNG IUSs, including Mirena®, and, thus, has a smaller placement tube. Bleeding experienced by women using LNG-IUS 12 in clinical trials became less frequent over time, as did the overall incidence of treatment-related adverse events. LNG-IUS 12 was associated with high levels of user satisfaction.
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Acknowledgements
This article was reviewed by: D. Apter, VL-Medi Clinical Research Center, Helsinki, Finland; L. Bahamondes, Department of Obstetrics and Gynecology, Faculty of Medical Sciences, University of Campinas, Campinas, Brazil; K.J. Bühling, Department of Gynecological Endocrinology, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany; S.M. Dermout, Gynaecologisch Centrum Dermout & Albicher, Alkmaar, the Netherlands; O. Heikinheimo, Department of Obstetrics and Gynaecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. During the peer review process, the manufacturer of Kyleena™ was offered an opportunity to review this article. Changes resulting from comments received were made on the basis of scientific and editorial merit.
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The preparation of this review was not supported by any external funding.
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K McKeage and K.A. Lyseng-Williamson are employees of Adis/Springer, are responsible for the article content and declare no conflicts of interest.
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McKeage, K., Lyseng-Williamson, K.A. Kyleena™ (levonorgestrel-releasing intrauterine system) in contraception: a profile of its use. Drugs Ther Perspect 33, 202–207 (2017). https://doi.org/10.1007/s40267-017-0395-9
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DOI: https://doi.org/10.1007/s40267-017-0395-9