Ota I, Taniguchi F, Ota Y, Nagata H, Wada I, Nakaso T, Ikebuchi A, Sato E, Azuma Y, Harada T. A controlled clinical trial comparing potent progestins, LNG-IUS and dienogest, for the treatment of women with adenomyosis.
Reprod Med Biol 2021;
20:427-434. [PMID:
34646070 PMCID:
PMC8499603 DOI:
10.1002/rmb2.12408]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/23/2021] [Accepted: 08/12/2021] [Indexed: 11/15/2022] Open
Abstract
PURPOSE
To evaluate the efficacy of two progestins, levonorgestrel intrauterine system (LNG-IUS) and dienogest (DNG), for adenomyosis.
METHODS
This study enrolled 157 women with adenomyosis, randomized to either LNG-IUS (n = 76) or DNG (n = 81) groups as a controlled clinical trial for 72 months. Participants were classified by three different localizations of adenomyosis: diffuse, focal, and extrinsic. VAS (Visual analog scale) score, days, and amount of uterine bleeding were assessed. Uterine volume or bone mineral density (BMD) were measured by three-dimensional ultrasonography or dual-energy X-ray absorptiometry.
RESULTS
LNG-IUS and DNG comparably reduced pain scores in patients with adenomyosis. With regard to pain control, DNG offered greater efficacy than LNG-IUS in 3 months of treatment. In all types of adenomyosis, the days of bleeding after 12 months with DNG were significantly decreased compared to those with LNG-IUS. The decrease of whole uterine body was transient in any subtypes. A comparable decrease in BMD due to age-related changes in both groups was observed.
CONCLUSIONS
LNG-IUS and DNG could be useful for long-term management of adenomyosis. In terms of durations of uterine bleeding, DNG was superior to LNG-IUS for 6 years.
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