Comparison · NCT00360490-sae
Levonorgestrel Intrauterine System (LNG IUS) 20µg Per 24 Hours vs Medroxyprogesterone Acetate (MPA): serious adverse events
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. Levonorgestrel Intrauterine System (LNG IUS) 20µg Per 24 Hours vs Medroxyprogesterone Acetate (MPA): serious adverse events. Trial comparisons, record NCT00360490-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00360490-sae
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.0122 | 0.00216 | 0.0659 | wilson | |
| Risk in group 2 | 0 | 0.00000000000000000347 | 0.0442 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0122 | -0.0332 | 0.0659 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | log | a group has no participants with the outcome | |||
| Odds ratio, group 1 over group 2 | log | a cell of the two-by-two table is zero | |||
| Number needed to harm, for one more participant with a serious adverse event on Levonorgestrel Intrauterine System (LNG IUS) 20µg Per 24 Hours than on Medroxyprogesterone Acetate (MPA) | 82 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Levonorgestrel Intrauterine System (LNG IUS) 20µg Per 24 Hours | Initial release rate of 20µg Levonorgestrel IUS (Mirena, BAY86-5028) per day for 6 cycles. | 1 | 82 | EG000 |
| Group 2 | Medroxyprogesterone Acetate (MPA) | Medroxyprogesterone acetate (MPA, Provera), oral, 10mg per tablet on 10 consecutive days of each cycle for 6 cycles. | 0 | 83 | EG001 |
Source ClinicalTrials.gov
Harm
- What it counts
- Total, serious adverse events
- Time frame
Source ClinicalTrials.gov
Trial
- Title
- Study in Women With Idiopathic Menorrhagia to Determine the Reduction in Menstrual Blood Loss (MBL) After Treatment With the Levonorgestrel-releasing Intrauterine System (IUS)
- NCT number
- NCT00360490
- Phases
- PHASE3
- Conditions
- Menorrhagia
- Interventions
- Levonorgestrel IUS (Mirena, BAY86-5028), Medroxyprogesterone acetate
- Lead sponsor
- Bayer
- Results first posted
- 2009-11-19
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00360490?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
Sources 2
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
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