About Pricing FAQs Blog

Loading clinical trials...

Your health journey, clearly organized.

Find Clinical Trials →

Legal

Privacy Policy
Terms of Service

© 2026 Clareo Health. All rights reserved.

Back to clinical trial search

COMPLETEDPhase 4NCT01569113

Assessment of Effects on Ovarian Activity of a Combined Oral Contraceptive Pill When Preceded by the Intake of ellaOne® or Placebo.

The purposes of this study are to compare the effects on ovarian activity of quick starting a Combined Oral Contraceptive Pill (COCP) after ellaOne® or placebo intake.

Lead sponsor: HRA Pharma•3 locations•View source on ClinicalTrials.gov

Clareo plain-language summary

What this study is about

Generating AI summary...

Save this trial guide to your notes

Keep your clinical trial research organized — questions to ask, what to expect, and key details.

Sponsors

Lead Sponsor

HRA Pharma

Age

18 - 35 years

Sex

FEMALE

Healthy Volunteers

Yes

Inclusion Criteria

•Healthy women aged 18-35 years old
•BMI \< 30 Kg/m2
•Not at risk of pregnancy
•No use of progesterone-only-pill for 3 months before start of treatment cycle
•No use of implant hormonal contraception for 3 months before start of treatment cycle
•No use of levonorgestrel intrauterine system for 3 months before start of treatment cycle
•No use of depo provera for 12 months before start of treatment cycle
•Able to give informed consent.

Related studies

RECRUITINGPhase 4

Etonogestrel (ENG) Implant Insertion for Emergency Contraception With Oral Levonorgestrel (LNG) vs Placebo

NCT06162611 · Emergency Contraception

COMPLETEDPhase 2/3

Piroxicam and Levonorgestrel Co-treatment for Emergency Contraception

NCT03614494 · Emergency Contraception

Continued Use of Effective Contraception After Use of Emergency Contraception

NCT02078414 · Emergency Contraception, Contraception, and more

COMPLETEDPhase 3

A Study of Use of Ella®, an Emergency Contraceptive, Under Simulated OTC Conditions

NCT03208985 · Emergency Contraception

COMPLETEDEARLY Phase 1

Depot Medroxyprogesterone Acetate as Emergency Contraception

NCT03395756 · Emergency Contraception, Contraception

View all related studies →

Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: June 13, 2013Terms

Trial snapshot

StatusCOMPLETED

PhasePHASE4

Enrollment76

Start dateMar 2012

Last updatedJun 13, 2013

Condition

Emergency Contraception

Locations shown

Dinox

Groningen

Karolinska University Hospital Solna

Stockholm

Chalmers Sexual Health Clinic

Edinburgh, Scotland

For caregivers

Use Clareo to keep notes, questions, trial details, and next steps organized before and after appointments.

Start free trial →

Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: June 13, 2013Data synced to Clareo: May 25, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

View ClinicalTrials.gov Terms and Conditions