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NCT04423055 · ClinicalTrials.gov registry record · Phase 4

Nexplanon Use in Women Primarily Choosing a Combined Oral Contraceptive

A Phase 4 study, sponsored by University of California, Davis.

Completed
Registry status
Phase 4
Development phase
120
Enrollment target

NCT04423055: Completed Phase 4 study, sponsored by University of California, Davis.

NCT04423055 is a Phase 4 study that has completed, run by University of California, Davis. The registered enrollment target is 120 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (77% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04423055, a Phase 4 study, has completed, sponsored by University of California, Davis.

COMPLETED
Registry status
Phase 4
Development phase
120 participants
Enrollment target

Study Summary

Women currently using or starting a combined oral contraceptive (COC) will be offered study enrollment. Study subjects will have a Nexplanon placed and followed for approximately 12 months to evaluate if they continue the implant, the COC, or both, and to assess bleeding patterns and adverse events.

Primary Outcome

Evaluate the acceptability (continuation of the implant throughout the study) of concomitant etonogestrel (ENG) implant use in women choosing a combined oral contraceptive (COC) for contraception

Interventions

  • DRUG Etonogestrel contraceptive implant

Trial Details

FieldValue
Enrollment Target 120 participants
Start Date 2020-08-13
Est. Completion 2024-04-09
Phase Phase 4
University of California, Davis

657 total trials

What the finished NCT04423055 record still lists

NCT04423055 is an interventional study that assigns participants to a tested intervention. The registered 120 participants enrollment target is mid-sized for trials with a published cap, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (77% lower).

The record links to 0 conditions, and to 1 intervention - of which Etonogestrel contraceptive implant is the first listed.

NCT04423055 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04423055 about?

NCT04423055 is a clinical study titled "Nexplanon Use in Women Primarily Choosing a Combined Oral Contraceptive". Women currently using or starting a combined oral contraceptive (COC) will be offered study enrollment. Study subjects will have a Nexplanon placed and followed for approximately 12 months to evaluate if they continue the implant, the COC, or both, and to assess bleeding patterns and adverse events.

What is the current status of trial NCT04423055?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 120 participants. The study started on 2020-08-13. Estimated completion is 2024-04-09.

What interventions are being tested in trial NCT04423055?

The interventions under investigation include: Etonogestrel contraceptive implant (DRUG).

Who is sponsoring clinical trial NCT04423055?

This trial is sponsored by University of California, Davis, which has 657 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04423055's enrollment target sits among peer trials

120 673rd of 2000 higher than 1,289 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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Source: ClinicalTrials.gov NCT04423055, the US trial registry maintained by the National Library of Medicine. NCT04423055 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.