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NCT01555931 · ClinicalTrials.gov registry record · Phase 4
Postpartum Levonorgestrel-releasing Intrauterine System and Breastfeeding
A Phase 4 study, sponsored by University of North Carolina, Chapel Hill.
- Completed
- Registry status
- Phase 4
- Development phase
- 61
- Enrollment target
NCT01555931: Completed Phase 4 study, sponsored by University of North Carolina, Chapel Hill.
NCT01555931 is a Phase 4 study that has completed, run by University of North Carolina, Chapel Hill. The registered enrollment target is 61 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (88% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT01555931, a Phase 4 study, has completed, sponsored by University of North Carolina, Chapel Hill.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 61 participants
- Enrollment target
Study Summary
This will be a randomized clinical trial of 190 women aged 18-45 who plan to breastfeed their infant for at least 6 months and desire to use the LNG-IUS as their primary contraceptive method postpartum. The investigators will compare the frequency of breastfeeding among women receiving the levonorgestrel-releasing intrauterine system (LNG-IUS) immediately after vaginal delivery compared to 4-8 weeks later. The investigators hypothesize there will be no difference in breastfeeding prevalence between the two groups.
Primary Outcome
Reported any breastfeeding at the final 6 month visit
Interventions
- DRUG Levonorgestrel-releasing intrauterine system
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 61 participants |
| Start Date | 2012-03 |
| Est. Completion | 2013-06 |
| Phase | Phase 4 |
What the finished NCT01555931 record still lists
NCT01555931 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 61 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (88% lower).
The record links to 0 conditions, and to 1 intervention - of which Levonorgestrel-releasing intrauterine system is the first listed.
NCT01555931 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT01555931 about?
NCT01555931 is a clinical study titled "Postpartum Levonorgestrel-releasing Intrauterine System and Breastfeeding". This will be a randomized clinical trial of 190 women aged 18-45 who plan to breastfeed their infant for at least 6 months and desire to use the LNG-IUS as their primary contraceptive method postpartum. The investigators will compare the frequency of breastfeeding among women receiving the levonorge...
What is the current status of trial NCT01555931?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 61 participants. The study started on 2012-03. Estimated completion is 2013-06.
What interventions are being tested in trial NCT01555931?
The interventions under investigation include: Levonorgestrel-releasing intrauterine system (DRUG).
Who is sponsoring clinical trial NCT01555931?
This trial is sponsored by University of North Carolina, Chapel Hill, which has 1,109 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT01555931's enrollment target sits among peer trials
61 1119th of 2000 higher than 876 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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