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Home › Medications › levonorgestrel

levonorgestrel

2 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials of levonorgestrel

10 trials tracked of levonorgestrel: 3 in phase 3 or 4 and 1 with published results. The most-cited published study has 525 citations.

10Trials tracked
3Phase 3 & 4
0Recruiting
1With published results
Phase distribution
Phase 4 1 Phase 3 2 Phase 2 3 Phase 1 2 Other / NA 2
  1. Phase 3 Safety and Efficacy of CDB-2914 in Comparison to Levonorgestrel for Emergency Contraception Completed · 525 cited
  2. Phase 4 Effects of St. John's Wort on the Oral Contraceptive Hormone Levonorgestrel Completed
  3. Phase 3 Pericoital Oral Contraception With Levonorgestrel Completed
  4. Phase 2 Levonorgestrel in Preventing Ovarian Cancer in Patients at High Risk for Ovarian Cancer Completed
  5. Phase 2 Bay98-7196, Dose Finding / POC Study Completed
  6. Phase 2 Study to Evaluate Pharmacokinetics Profile, Wearability, and Safety of 2 Progestin-Only Patches Completed
Show 4 more trials
  1. Phase 1 Drug-drug Interaction of Empagliflozin (BI 10773) and Microgynon Completed
  2. Phase 1 Drug-drug Interaction of BI 201335 and Microgynon Completed
  3. N/A European Active Surveillance Study (EURAS) Completed
  4. N/A Copper T380 IUD Versus Oral Levonorgestrel for Emergency Contraception vs. Plan B for Emergency Contraception Completed

Showing the 10 most-cited and recently-updated of 10 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
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Systematic review finds no progestogen class effect in oral contraception, with varying safety profiles
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