Abstract:
PURPOSE:To demonstrate how the Intensive Medicines Monitoring Programme (IMMP) can be used to monitor adverse events associated with an intrauterine device, using the levonorgestrel-releasing intrauterine device (Mirena) as an example. METHODS:A long-term prospective observational cohort study using Prescription Event Monitoring (PEM) is currently being undertaken in women using Mirena in New Zealand. This report describes the method used and reports the early results for those women who used the device between March 1998 and March 2001. Adverse events were recorded by inserting doctors and general practitioners on registration forms and systematic follow-up questionnaires. RESULTS:Between March 1998 and March 2001, the IMMP received 3519 registration forms for insertions in 3452 women. 'Difficult insertion' was the most frequently reported event (3.6% of all insertions). Approximately, 2% of the Mirena insertions were carried out under GA and there were three uterine perforations (0.9 per 1000 insertions) in the total cohort. To date, follow-up questionnaires have been processed for 495 patients. The response rate for these was 83%. CONCLUSION:As adapted in the IMMP, PEM is an effective tool for the early post-marketing surveillance of an intrauterine device in real life clinical practice.
journal_name
Pharmacoepidemiol Drug Safjournal_title
Pharmacoepidemiology and drug safetyauthors
Zhou L,Harrison-Woolrych M,Coulter DMdoi
10.1002/pds.875keywords:
subject
Has Abstractpub_date
2003-07-01 00:00:00pages
371-7issue
5eissn
1053-8569issn
1099-1557journal_volume
12pub_type
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