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ClinicalTrials.gov public records Last synced Sep 30, 2026, 1:27 PM EDT

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Showing 1–24 of 61 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Etonogestrel implant Clear all
Completed No phase listed Observational Accepts healthy volunteers Results available

The Effect of Isotretinoin on the Etonogestrel Contraceptive Implant

NCT02967055
View directory record Official record
Conditions
Contraception
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Sep 30, 2026, 1:27 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

LARC Forward Contraceptive Counseling at MHCC

NCT02735551
View directory record Official record
Conditions
Contraception
Interventions
Long Acting Reversible Contraception (LARC), Referral for Long Acting Reversible Contraception (LARC), Prescription for Short-Acting Hormonal Contraception
Drug · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
17 Years to 30 Years · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Gresham, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced Sep 30, 2026, 1:27 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Assessing Adolescent Use of Nexplanon Over Time

NCT04889079
View directory record Official record
Conditions
Contraception
Interventions
Contraceptive use (continuation/switching/discontinuation)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
15 Years to 24 Years · Female only
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Sep 30, 2026, 1:27 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Vapocoolant Spray to Reduce Pain With Nexplanon Insertion

NCT06933381
View directory record Official record
Conditions
Reducing Pain With Nexplanon Implant Insertion
Interventions
Vapocoolant spray, Placebo
Device · Other
Lead sponsor
Queen's Medical Center
Other
Eligibility
14 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
3
States / cities
Honolulu, Hawaii • Waimea, Hawaii
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 3 Interventional Results available

Management of Etonogestrel Subdermal Implant-related Bleeding

NCT01658995
View directory record Official record
Conditions
ESI-related Bleeding
Interventions
Doxycycline, Placebo
Drug
Lead sponsor
Petra M. Casey
Other
Eligibility
18 Years to 51 Years · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Sep 30, 2026, 1:27 PM EDT
Completed No phase listed Observational

Same-day Long-acting Reversible Contraception for Medication Abortion

NCT01356927
View directory record Official record
Conditions
Abortion; Induced
Interventions
DMPA, Etonogestrel implant
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Sep 30, 2026, 1:27 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Keep Contraceptive Arm Long Acting-iMplant (CALM) and Carry On

NCT04725643
View directory record Official record
Conditions
Contraception, Contraceptive Usage, Family Planning
Interventions
Track bleeding patterns before and after implant
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 3 Interventional

A Study to Assess Contraceptive Efficacy and Safety of Etonogestrel (ENG) Implant Beyond 3 Years of Use (MK-8415-060)

NCT04626596
View directory record Official record
Conditions
Contraception
Interventions
Radiopaque Etonogestrel (ENG) Implant
Combination Product
Lead sponsor
Organon and Co
Industry
Eligibility
Up to 35 Years · Female only
Enrollment
498 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
64
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Effect of Topiramate on Etonogestrel Concentrations in Contraceptive Implant Users

NCT03335163
View directory record Official record
Conditions
Migraine, Migraine;Menstrual, Contraception
Interventions
Topiramate
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Not applicable Interventional Results available

Nexplanon Application Post-Abortion (NAPA)

NCT02037919
View directory record Official record
Conditions
Contraception, Abortion, Therapeutic
Interventions
Immediate Nexplanon Insertion, Post-op Nexplanon Insertion
Other
Lead sponsor
Family Planning Associates Medical Group, LTD
Other
Eligibility
18 Years and older · Female only
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Chicago, Illinois • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Sep 30, 2026, 1:27 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Antepartum Etonogestrel Contraceptive Implant Insertion at Term

NCT03656289
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel 68Mg Implant
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 34 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 30, 2026, 1:27 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Endometrial Biopsy in Progestin Contraceptive Users

NCT05760144
View directory record Official record
Conditions
Contraception
Interventions
DMPA, Etonogestrel implant
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Does Concomitant Use of Combined Oral Hormonal Steroids Stop Bleeding in Women Using Etonogestrel Implants (Implanon/Nexplanon®)?: A Randomized Controlled Study

NCT01968135
View directory record Official record
Conditions
Uterine Hemorrhage, Contraception
Interventions
Combined Oral Contraceptive Pill, Placebo Sugar Pill
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 5, 2016 · Synced Sep 30, 2026, 1:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pharmacokinetics of Implanon in Obese Women

NCT00724438
View directory record Official record
Conditions
Contraception, Obesity
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 5, 2013 · Synced Sep 30, 2026, 1:27 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Etonogestrel Implant as Emergency Contraception

NCT05237141
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel implant
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Shoulder Contraceptive Implant Study

NCT04463693
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel implant
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immediate vs. Delayed Postpartum Etonogestrel Implant

NCT01767285
View directory record Official record
Conditions
Continuation Rate of Contraceptive Implant
Interventions
Etonogestrel implant
Drug
Lead sponsor
Duke University
Other
Eligibility
12 Years to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of Contraception on Postpartum Weight Loss

NCT02144259
View directory record Official record
Conditions
Weight
Interventions
DMPA immediately postpartum, Implanon immediately postpartum
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 17, 2017 · Synced Sep 30, 2026, 1:27 PM EDT
Terminated Not applicable Interventional

Family Planning Counseling for Women With Chronic Medical Conditions in an Inpatient Setting

NCT05859087
View directory record Official record
Conditions
Chronic Disease
Interventions
Counseling, Flyer
Behavioral
Lead sponsor
Sutter Health
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Prolonged Use of IUD/Implant for Contraception

NCT02267616
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel Implant
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,076 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
2
States / cities
Indianapolis, Indiana • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 15, 2021 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Impact of Contraceptives on Cervico-Vaginal Mucosa

NCT04814927
View directory record Official record
Conditions
Mucosal Inflammation, Contraceptive; Complications, Intrauterine
Interventions
Copper IUD, Etonogestrel implant, Levonorgestrel IUS, DMPA Sub-cutaneous
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2023 · Synced Sep 30, 2026, 1:27 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Pharmacokinetics and Pharmacodynamics of the Etonogestrel Contraceptive Implant When Co-administered With Efavirenz

NCT01980342
View directory record Official record
Conditions
Drug Interaction
Interventions
Efavirenz
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 11, 2018 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Long-Acting Reversible Contraception

NCT01299116
View directory record Official record
Conditions
Contraception
Interventions
DMPA, oral contraceptives, Implanon®, ParaGard®, Mirena®
Drug
Lead sponsor
FHI 360
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
916 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Sep 30, 2026, 1:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Nexplanon Use in Women Primarily Choosing a Combined Oral Contraceptive

NCT04423055
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel contraceptive implant
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
3
States / cities
Sacramento, California • Denver, Colorado • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Sep 30, 2026, 1:27 PM EDT