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ClinicalTrials.gov public records Last synced Sep 27, 2026, 10:48 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Contraceptive implant Clear all
Completed No phase listed Observational Results available

Same Day Oral EC and Implant Initiation

NCT04678817
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel contraceptive implant with oral levonorgestrel, Levonorgestrel intrauterine device, Copper T380A intrauterine device
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 27, 2026, 10:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Real World Effectiveness and Safety of Hysteroscopic (Essure®) Compared to Laparoscopic Sterilization

NCT03438682
View directory record Official record
Conditions
Sterility, Female, Contraception, Contraceptive Device; Complications
Interventions
Essure, Laparoscopic sterilization, Intrauterine Device (IUD)
Device · Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
89,203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 27, 2026, 10:48 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Application for the Etonogestrel/Ethinyl Estradiol Ring

NCT03120728
View directory record Official record
Conditions
Emergency Contraception, Healthy, Reproductive Age Women
Interventions
Etonogestrel/ethinyl estradiol contraceptive vaginal ring
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2017 · Synced Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM EDT
Completed Phase 4 Interventional Results available

Immediate Versus Delayed Insertion of the Copper Intrauterine Device (IUD) After Medication Abortion

NCT00737178
View directory record Official record
Conditions
Contraception
Interventions
CuT380A
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2014 · Synced Sep 27, 2026, 10:48 AM 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 4, 2016 · Synced Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM 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 10, 2026 · Synced Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Premature Discontinuation of Contraceptive Implants

NCT04828824
View directory record Official record
Conditions
Contraception Behavior
Interventions
Ethinyl Estradiol / Norgestimate Oral Tablet
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 23 Years · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 27, 2026, 10:48 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Postpartum Etonogestrel Implant for Adolescents

NCT01666912
View directory record Official record
Conditions
Adolescence, Contraception, Postpartum
Interventions
Contraceptive implant
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
14 Years to 24 Years · Female only
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2017 · Synced Sep 27, 2026, 10:48 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

RCT Evaluating Standardized Counseling on Early Discontinuation for Irregular Bleeding in Nexplanon Users

NCT04558229
View directory record Official record
Conditions
Birth Control, Contraception, Contraceptive Usage, Family Planning
Interventions
Additional Standardized Counseling
Other
Lead sponsor
Planned Parenthood of the St. Louis Region and Southwest Missouri
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
348 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Sep 27, 2026, 10:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Does Skyla Insertion Timing Impact Bleeding?

NCT03074903
View directory record Official record
Conditions
Vaginal Bleeding
Interventions
Intrauterine system
Device
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
3
States / cities
Morristown, New Jersey • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 12, 2018 · Synced Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM EDT
Completed Not applicable Interventional Results available

Use of Norethindrone Acetate for Management of Bleeding Associated With the Etonogestrel Contraceptive Implant

NCT02353247
View directory record Official record
Conditions
Etonogestrel Contraceptive Implant, Bothersome Bleeding
Interventions
Norethindrone acetate
Drug
Lead sponsor
Norton Healthcare
Other
Eligibility
Female only
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 15, 2022 · Synced Sep 27, 2026, 10:48 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Etonogestrel (ENG) Implant Insertion for Emergency Contraception With Oral Levonorgestrel (LNG) vs Placebo

NCT06162611
View directory record Official record
Conditions
Emergency Contraception
Interventions
Etonogestrel implant with Oral Levonorgestrel emergency contraception 1.5mg, Etonogestrel implant with oral placebo
Drug · Device
Lead sponsor
Lori Gawron
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
790 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM EDT
Completed No phase listed Observational

Duration of Use of Highly Effective Reversible Contraception

NCT02414919
View directory record Official record
Conditions
Pregnancy
Interventions
Mirena (Levonorgestrel IUS, BAY86-5028), ParaGard, Implanon/Nexplanon
Drug
Lead sponsor
Bayer
Industry
Eligibility
15 Years to 44 Years · Female only
Enrollment
13,880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Sep 27, 2026, 10:48 AM 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 Sep 27, 2026, 10:48 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Pharmacokinetic Study of Antiretroviral Drugs and Related Drugs During and After Pregnancy

NCT00042289
View directory record Official record
Conditions
HIV Infections
Interventions
atazanavir/cobicistat, darunavir/ritonavir dosage #1, darunavir/ritonavir dosage #2, darunavir/ritonavir dosage #3, elvitegravir/cobicistat, dolutegravir, tenofovir alafenamide fumarate (TAF), TAF w/cobicistat, TAF w/cobicistat or ritonavir, efavirenz, darunavir/cobicistat, lopinavir/ritonavir dosage #1, atazanavir/ritonavir/tenofovir dosage #1, rifampicin, ethambutol, isoniazid, pyrazinamide, kanamycin, amikacin, capreomycin, moxifloxacin, levoflaxacin, ofloxacin, ethionamide/prothionamide, terizidone/cycloserine, para-aminosalicylic acid (PAS), high dose INH, bedaquiline, clofazamine, delamanid, linezolid, pretomanid, ethinyl estradiol, etonogestrel implant, nevirapine, amprenavir, abacavir, lopinavir/ritonavir dosage #2, indinavir/ritonavir dosage #1, fosamprenavir/ritonavir, lopinavir/ritonavir dosage #3, atazanavir/ritonavir dosage #1, didanosine delayed release (Videx® EC), emtricitabine, tenofovir, nelfinavir dosage #1, tipranavir/ritonavir, lopinavir/ritonavir dosage #4, raltegravir, etravirine, maraviroc, atazanavir/ritonavir dosage #2, tenofovir/atazanavir/ritonavir dosage #2, nelfinavir dosage #2, indinavir/ritonavir dosage #2, rilpivirine, darunavir/ritonavir dosage #4
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
1,578 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2020
U.S. locations
39
States / cities
Birmingham, Alabama • La Jolla, California • Long Beach, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 27, 2026, 10:48 AM EDT