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ClinicalTrials.gov public records Last synced Oct 18, 2026, 6:24 AM EDT

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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Etonogestrel contraceptive implant Clear all
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 2, 2026 · Synced Oct 18, 2026, 6:24 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 2, 2025 · Synced Oct 18, 2026, 6:24 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 16, 2022 · Synced Oct 18, 2026, 6:24 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immediate Versus Delayed Insertion of Implanon in Postpartum Adolescents

NCT03585504
View directory record Official record
Conditions
Contraceptive Usage
Interventions
Etonogestrel contraceptive implant
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
15 Years to 21 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 4, 2018 · Synced Oct 18, 2026, 6:24 AM EDT
Completed Early Phase 1 Interventional

Inpatient Adolescent Contraception

NCT04423068
View directory record Official record
Conditions
Pregnancy Related, Contraception, Contraceptive Usage, Contraception Behavior, Pregnancy
Interventions
SexHealth II, Contraceptive
Behavioral · Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Oct 18, 2026, 6:24 AM EDT
Completed No phase listed Observational

Immediate Postpartum Nexplanon Placement in Opioid Dependent Women

NCT02657148
View directory record Official record
Conditions
Opiate Addiction, Pregnancy, Contraceptive Behavior, Sexual Behavior
Interventions
Nexplanon (etonogestrel contraceptive implant), Standard postpartum contraceptive care
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 31, 2018 · Synced Oct 18, 2026, 6:24 AM EDT
Completed No phase listed Observational

Hormonal Influences on Inflammatory Bowel Diseases

NCT05610527
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Contraception, Menstrual Problem
Interventions
Proposed study design and randomization scenarios, Repeated measures of validated Inflammatory Bowel Disease Patient Reported Outcome Instruments, Inflammatory marker collection and assessment for correlation with PRO responses and menstrual timing
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 18, 2026, 6:24 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 18, 2017 · Synced Oct 18, 2026, 6:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Quantification of Immune Cells in Women Using Contraception (CHIC II)

NCT01873170
View directory record Official record
Conditions
HIV, Immune Cells (Mucosal and Systemic), Contraception
Interventions
levonorgestrel exposure, DMPA exposure, etonogestrel exposure, IUD insertion, subdermal contraceptive implant insertion
Drug · Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 27, 2021 · Synced Oct 18, 2026, 6:24 AM 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 Oct 18, 2026, 6:24 AM 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 6, 2026 · Synced Oct 18, 2026, 6:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Immediate Postpartum Contraceptive Implant Placement and Breastfeeding Success in Women at Risk for Low Milk Supply: A Non-inferiority Trial

NCT02866279
View directory record Official record
Conditions
Contraception, Breastfeeding, Postpartum Contraception
Interventions
Etonogestrel Contraceptive Implant
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
17 Years to 45 Years · Female only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 18, 2026, 6:24 AM 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 Oct 18, 2026, 6:24 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 4, 2025 · Synced Oct 18, 2026, 6:24 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Hormonal Contraception on HIV Acquisition and Transmission Risk

NCT02357368
View directory record Official record
Conditions
HIV, Contraception
Interventions
Depot medroxyprogesterone acetate (DMPA), Etonogestrel implant (Eng-Implant), Levonorgestrel intrauterine device (Lng-IUD), ParaGard® T 380A Intrauterine Copper Contraceptive
Drug · Device
Lead sponsor
Lisa Haddad
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
4
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Oct 18, 2026, 6:24 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 May 1, 2017 · Synced Oct 18, 2026, 6:24 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 11, 2018 · Synced Oct 18, 2026, 6:24 AM EDT
Completed 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
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 18, 2026, 6:24 AM 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 Oct 18, 2026, 6:24 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 25, 2022 · Synced Oct 18, 2026, 6:24 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 5, 2016 · Synced Oct 18, 2026, 6:24 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Nexplanon and Combined Oral Contraceptive (COC) Combined Use Study

NCT02852265
View directory record Official record
Conditions
Contraception
Interventions
Etonogestrel contraceptive implant
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
16 Years to 35 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2018 · Synced Oct 18, 2026, 6:24 AM 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 Oct 18, 2026, 6:24 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 22, 2024 · Synced Oct 18, 2026, 6:24 AM EDT