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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Contraceptive Implant Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Breastfeeding Etonogestrel Implant Study

NCT03978598
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel, Nexplanon
Drug · Device
Lead sponsor
University of New Mexico
Other
Eligibility
13 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
2
States / cities
Albuquerque, New Mexico • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Innovative Model of Patient-Centered ConTraception

NCT02364037
View directory record Official record
Conditions
Contraception, Unintended Pregnancy
Interventions
CHOICE Project Structured Contraceptive Counseling, Contraceptive Education Session, Cost Support for IUDs and implants
Behavioral · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
14 Years to 45 Years · Female only
Enrollment
1,008 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
3
States / cities
St Louis, Missouri • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced Jul 22, 2026, 6:03 PM EDT
Terminated Not applicable Interventional

Preliminary Evaluation of a "Clip" Device for Contraceptive Implant Removal

NCT04919395
View directory record Official record
Conditions
Contraception
Interventions
Clip device for Nexplanon Removal, Standard of Care procedure
Device · Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 21, 2024 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Results available

Intrauterine Contraceptive Device (IUD) Placement at Time of C-Section

NCT00733278
View directory record Official record
Conditions
Contraception
Interventions
Copper IUD ( ParaGard Intrauterine Contraceptive Device)
Device
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2014 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Identification and Removal of the Non Palpable Etonogestrel Contraceptive Implant

NCT02986204
View directory record Official record
Conditions
Women With an ENG Contraceptive Implant
Interventions
removal of ENG implant, continuation of ING implant
Procedure
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Jul 22, 2026, 6:03 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 12, 2022 · Synced Jul 22, 2026, 6:03 PM EDT
Completed No phase listed Observational

Quick Start of Highly Effective Contraception

NCT02076217
View directory record Official record
Conditions
IUD, Contraceptive Implant, Contraception, Birth Control, Emergency Contraception
Interventions
Copper T-380 IUD, LNG IUD, Contraceptive implant Nexplanon, Depo-Provera
Drug · Device
Lead sponsor
University of Utah
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

LNG-IUS at 2 Weeks Postpartum

NCT02121067
View directory record Official record
Conditions
Contraception, Malposition of Intrauterine Contraceptive Device
Interventions
Levonorgestrel Intrauterine System (LNG-IUS)
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 23, 2017 · Synced Jul 22, 2026, 6:03 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Patient-centered Information on Permanent Contraception

NCT06296797
View directory record Official record
Conditions
Contraception, Reproductive Behavior, Contraception Behavior
Interventions
Control arm: Existing educational website, Advancing Access Website
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 22, 2026, 6:03 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Postplacental Insertion of Levonorgestrel-releasing Intrauterine System (LNG-IUS) After Cesarean vs. Interval Insertion

NCT00635362
View directory record Official record
Conditions
Healthy
Interventions
Levonorgestrel-releasing intrauterine system (LNG-IUS)
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Early Phase 1 Interventional Results available

Ovarian Function With ENG Implant and UPA Use

NCT04291001
View directory record Official record
Conditions
Contraception
Interventions
ENG implant, oral ulipristal acetate
Device · Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Jul 22, 2026, 6:03 PM EDT
Withdrawn Not applicable Interventional

Levonorgestrel-Intrauterine System (LNG-IUS) Insertion in the Postpartum Period

NCT01088178
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel Intrauterine System (LNG-IUS: Mirena, Bayer)
Device
Lead sponsor
United States Naval Medical Center, Portsmouth
Federal
Eligibility
16 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Portsmouth, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Video Intervention on Postabortal Uptake of Long Acting Reversible Contraception (LARC)

NCT01945385
View directory record Official record
Conditions
Abortion
Interventions
Video intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
193 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Jul 22, 2026, 6:03 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 21, 2024 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Use of Curcumin to Treat Unfavorable Bleeding Patterns in Contraceptive Implant Users

NCT04205929
View directory record Official record
Conditions
Bleeding, Implants, Breakthrough Bleeding
Interventions
Placebo, Curcumin
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Early Versus Standard Postpartum Insertion of the Etonogestrel Contraceptive Implant

NCT00847587
View directory record Official record
Conditions
Complications; Contraceptive, Female Lactation
Interventions
Etonogestrel contraceptive implant
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 17, 2016 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Rifampin and the Contraceptive Implant

NCT04463680
View directory record Official record
Conditions
Contraception, Tuberculosis
Interventions
Rifampin 600 MG
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study of Immediate Start of Progestin Contraceptives in Medical Abortion

NCT01902485
View directory record Official record
Conditions
Contraception
Interventions
Timing of Contraceptive Initiation in Medical Abortion
Other
Lead sponsor
Gynuity Health Projects
Other
Eligibility
Female only
Enrollment
937 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
6
States / cities
Chula Vista, California • Eureka, California • Stamford, Connecticut + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2016 · Synced Jul 22, 2026, 6:03 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 8, 2026 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Labor and Delivery Implant Insertion: A Randomized Controlled Trial

NCT02866643
View directory record Official record
Conditions
Postpartum Contraception, Family Planning
Interventions
Etonogestrel-Immediate, Etonogestrel-Delayed
Drug
Lead sponsor
Stanford University
Other
Eligibility
Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Jul 22, 2026, 6:03 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 10, 2018 · Synced Jul 22, 2026, 6:03 PM EDT
Completed Phase 4 Interventional Results available

Tamoxifen for the Treatment of Unfavorable Bleeding in Contraceptive Implant Users

NCT02070692
View directory record Official record
Conditions
Menstruation Disturbances
Interventions
Tamoxifen, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 6:03 PM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Nitrous Oxide for Pain Management During IUD Insertion in Nulliparous Adolescent Women

NCT04089852
View directory record Official record
Conditions
Contraceptive Devices, Long-Acting Reversible Contraception, Analgesia, Adolescent Health, Gynecology
Interventions
Nitrous oxide gas for inhalation, Oxygen Gas for Inhalation
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
14 Years to 24 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Jul 22, 2026, 6:03 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effect of Body Mass Index on Etonogestrel Hormone Levels in Women Using the Single-rod Contraceptive Implant

NCT01855620
View directory record Official record
Conditions
Contraception, Obesity
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2014 · Synced Jul 22, 2026, 6:03 PM EDT