Ethinyl Estradiol clinical trials
Ethinyl Estradiol is named as an intervention in 2 current clinical trials in our USA, France, Spain and Italy registers. 2 are recruiting patients now. All registered phases are Phase 1. The sponsor with the most trials is Eli Lilly and Company (1). The most-studied condition is Healthy.
Where Ethinyl Estradiol is approved
All regulators →Of the three regulators tracked here, the first to approve Ethinyl Estradiol was the US, on 25 Jun 1943.
From the regulators' own registers: FDA Drugs@FDA, the EMA medicines list and Health Canada's Notice of Compliance database. Dates are the first listed approval of a product containing only this substance; combination products and nationally authorised EU medicines are not counted.
Patient leaflets for Ethinyl Estradiol
The package leaflet is the official guide for patients that comes with every medicine. These links go to the regulators that publish it.
- UKUnited Kingdom: Search MHRA ProductsPatient information leaflets and SmPCs for UK-licensed products.
- USUnited States: Search DailyMedFDA-approved labels, including patient and medication guides.
Leaflets differ between brands and countries; always read the one that comes with your own medicine. This is regulatory information, not medical advice.
Trials by status
Trials by phase
Clinical trials of Ethinyl Estradiol
2 trials| Study | Phase | Status | Lead sponsor | Registers |
|---|---|---|---|---|
|
A Study of LY4515100 in Healthy Participants
NCT07339722 · Healthy
|
Phase 1 | Recruiting | Eli Lilly and Company | USA |
|
A Drug-drug Interaction Study to Evaluate the Effects of Pelabresib on the Pharmacokinetics of Repaglinide, Midazolam, and Combined Oral Contraceptive in Patients With Advanced Malignancies
NCT07340190 · ClinicalTrials.gov ↗ · Advanced Malignancies
|
Phase 1 | Recruiting | Novartis Pharmaceuticals | France, Spain, Italy |
Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.
Conditions studied with Ethinyl Estradiol
2 conditionsSponsors
lead sponsor per trial| Lead sponsor | Trials |
|---|---|
| Eli Lilly and Company | 1 |
| Novartis Pharmaceuticals | 1 |
By country register
| Register | Trials | Recruiting |
|---|---|---|
| Clinical trials in USA | 1 | 1 |
| Clinical trials in France | 1 | 1 |
| Clinical trials in Spain | 1 | 1 |
| Clinical trials in Italy | 1 | 1 |
A trial with sites in more than one country appears in each of those registers.
Related compounds
Questions about Ethinyl Estradiol trials
How many clinical trials are testing Ethinyl Estradiol?
2 current trials in our USA, France, Spain and Italy registers name Ethinyl Estradiol as a drug or biological intervention, as of the registry sync on 9 November 2026. Completed and withdrawn studies are not counted.
Are Ethinyl Estradiol trials recruiting patients?
Yes. 2 of the 2 trials are recruiting: 1 with sites in USA, 1 with sites in France, 1 with sites in Spain and 1 with sites in Italy. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.
Who sponsors Ethinyl Estradiol clinical trials?
Eli Lilly and Company (1) and Novartis Pharmaceuticals (1). The number in brackets is how many trials each organisation leads.
Where does this information come from?
Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how Ethinyl Estradiol works or whether it is effective, and it is not medical advice.
How this page is built
Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how Ethinyl Estradiol works or whether it is effective. Each trial links to its own record so you can check it yourself.
- ClinicalTrials.gov (U.S. National Library of Medicine) ↗ Trial IDs, titles, intervention names and synonyms, phase, overall status, lead sponsor and conditions for every trial on this page
This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists Ethinyl Estradiol (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 9 Nov 2026. How every register is built: methodology · fixes we have made: corrections log.