Double-blind, randomized, placebo-controlled study on the effect of misoprostol on ease of consecutive insertion of the levonorgestrel-releasing intrauterine system
- PMID: 20472114
- DOI: 10.1016/j.contraception.2010.01.020
Double-blind, randomized, placebo-controlled study on the effect of misoprostol on ease of consecutive insertion of the levonorgestrel-releasing intrauterine system
Erratum in
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Corrigendum to "Double-blind, randomized, placebo-controlled study on the effect of misoprostol on ease of consecutive insertion of the levonorgestrel-releasing intrauterine system".Contraception. 2023 Mar;119:109926. doi: 10.1016/j.contraception.2022.109926. Epub 2022 Dec 29. Contraception. 2023. PMID: 36586781 No abstract available.
Abstract
Background: Misoprostol has been studied intensively to produce cervical dilatation. To date, no studies have evaluated the effectiveness, safety or acceptability of this treatment for repeat intrauterine device insertions.
Study design: This study was a randomized, double-blind, placebo-controlled trial on the consecutive use of the levonorgestrel-releasing intrauterine system (LNG-IUS). Women who had used their first LNG-IUS for 4 years and 3 to 9 months and opted for an immediate replacement with a second LNG-IUS received a single sublingual dose of 400 mcg misoprostol or placebo 3 h prior to the LNG-IUS insertion.
Results: The proportion of easy insertions as judged by the investigator was 93% (40/43) in subjects randomized to misoprostol and 91% (42/46) in the placebo group (p=1.0 for the difference of proportions). No or mild pain at insertion was reported by 37% and 35% of subjects in the misoprostol and placebo groups, respectively. However, adverse events related to the study drug were more common in the misoprostol group.
Conclusion: Sublingual misoprostol did not have a significant effect on the ease of insertion in subjects having a repeat insertion of the LNG-IUS.
Trial registration: ClinicalTrials.gov NCT00393198.
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