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Could a simple implant replace the morning-after pill?

NCT ID NCT06162611

Prevention Sponsor: Lori Gawron Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a contraceptive implant placed on the same day as unprotected sex can prevent pregnancy as effectively as the implant plus an emergency contraception pill. About 790 women aged 18-35 will be randomly assigned to get either the implant alone or the implant with a levonorgestrel pill (like Plan B). The goal is to see if the implant alone is a reliable option for emergency contraception while also providing long-term birth control.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
etonogestrel implant and levonorgestrel pill
What this could lead to
If successful, this could provide a new, long-acting emergency contraception option that works immediately and lasts for years.
What could go wrong
This is a Phase 4 trial, but it's still testing whether the implant alone is effective enough. Results may vary by body weight, and the implant does not protect against sexually transmitted infections.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 790 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2023

Expected to finish

May 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 35 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Between 18-35 years old * Unprotected intercourse within 72 hours * Biologically capable of pregnancy (intact uterus without prior sterilization surgery * Fluent in English and/or Spanish * Have a regular menstrual cycle (21-35 days) * Known last menstrual period (+/- 3 days) * Working (cell) phone number * Willing to comply with the study requirements * Willing to abstain from any CYP3A4 inducer for 5 days Exclusion Criteria: * Current pregnancy (+urine pregnancy test in clinic) * Breastfeeding * Contraindication to ENG or LNG based on CDC MEC/SPR * Sterilization, hysterectomy, or has an IUD or contraceptive implant in place * Vaginal bleeding of unknown etiology * Previous use of EC in same cycle * Allergy to LNG or ENG * History of intolerance/ side effects with ENG Implant * Current (past 7 days) use of any CYP3A4 inducer * Plan to use any other steroid hormone in the next 4 weeks (testosterone, estrogen, progesterone) * Ended a pregnancy at or under 20 weeks gestational age within last 2 weeks * Ended a pregnancy over 20 weeks gestational age in last 6 weeks * Use of any injectable hormonal contraceptive (Depo-Provera) in the last 15 weeks * Use of any oral EC, contraceptive pills, patches, vaginal rings, or an IUD or Implant in the last 2 weeks

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Emergency contraception

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Planned Parenthood Association of Utah

    RECRUITING

    Salt Lake City, Utah, 84102, United States

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