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Showing 1–24 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: LNG IUD Clear all
Recruiting Phase 4 Interventional

Levonorgestrel 52 mg IUD for Emergency Contraception and Same-Day Start

NCT05444582
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel 52 MG Intrauterine System
Drug
Lead sponsor
University of Utah
Other
Eligibility
16 Years to 35 Years · Female only
Enrollment
1,404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
8
States / cities
San Jose, California • Denver, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 5, 2026, 10:54 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 24, 2023 · Synced Sep 5, 2026, 10:54 PM 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 17, 2020 · Synced Sep 5, 2026, 10:54 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 Sep 5, 2026, 10:54 PM EDT
Withdrawn Phase 2 Interventional

IUD and Norethindrone Acetate for Treatment of Endometriosis

NCT04948489
View directory record Official record
Conditions
Endometriosis
Interventions
norethindrone acetate (NETA), Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 24 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 5, 2026, 10:54 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 Sep 5, 2026, 10:54 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Maintaining Intrauterine Devices (IUDs) in Teens (MINT): A Randomization Trial

NCT00653159
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel-releasing intrauterine device (LNG-IUS), Copper T380A intrauterine device (CuT380A)
Device
Lead sponsor
University of Chicago
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Sep 5, 2026, 10:54 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Tamoxifen to Reduce Unscheduled Bleeding in New Users of the Levonorgestrel-releasing Intrauterine System (LNG-IUS)

NCT02824224
View directory record Official record
Conditions
Menorrhagia, Metrorrhagia, Medicated Intrauterine Devices
Interventions
Tamoxifen, Placebo (for Tamoxifen)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 3, 2019 · Synced Sep 5, 2026, 10:54 PM EDT
Recruiting Phase 2 Interventional

Uterine Preservation Via Lifestyle Transformation

NCT05903131
View directory record Official record
Conditions
Endometrial Hyperplasia, Grade 1 Endometrial Cancer
Interventions
Telemedicine behavioral weight intervention, Progestin, Enhanced usual care, Levonorgestrel-releasing IUD.
Behavioral · Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
3
States / cities
St Louis, Missouri • Albuquerque, New Mexico • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 5, 2026, 10:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Contraceptive Hormones, Immunity, and Microbiome Evaluation

NCT03660046
View directory record Official record
Conditions
Hormonal Contraception
Interventions
Depot medroxyprogesterone acetate (DMPA), Etonogestrel implant (Eng-Implant), Levonorgestrel IUD (Lng-IUD)
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 45 Years · Female only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 28, 2024 · Synced Sep 5, 2026, 10:54 PM EDT
Completed Phase 3 Interventional Results available

LCS12 vs Combined Oral Contraceptive (COC) User Satisfaction Study

NCT01254292
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel IUD (LCS, BAY86-5028), Yasmin (EE30/DRSP, BAY86-5131)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 29 Years · Female only
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
24
States / cities
Tucson, Arizona • La Mesa, California • San Diego, California + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced Sep 5, 2026, 10:54 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 14, 2021 · Synced Sep 5, 2026, 10:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamics and Pharmacokinetics Study of Existing DMPA Contraceptive Methods

NCT02456584
View directory record Official record
Conditions
Contraception
Interventions
DMPA 150, DMPA 300, DMPA 104
Drug
Lead sponsor
FHI 360
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 17, 2018 · Synced Sep 5, 2026, 10:54 PM EDT
Recruiting Phase 2 Interventional

A Study to Estimate Early Clinical Efficacy Signals of GLP-1 Agonist Administration in Conjunction With Levonorgestrel Intrauterine Device in Obese Patients With Endometrioid Intraepithelial Neoplasia

NCT07107334
View directory record Official record
Conditions
Endometrioid Endometrial Adenocarcinoma
Interventions
Glucagon-like peptide 1 receptor agonist
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 5, 2026, 10:54 PM EDT
Not yet recruiting Phase 2 Interventional

A Study of Weight Loss Intervention With Tirzepatide and Progestin Intrauterine Device to Treat Endometrial Hyperplasia and Grade 1 Endometrial Cancer

NCT07349641
View directory record Official record
Conditions
Endometrial Atypical Hyperplasia/Endometrioid Intraepithelial Neoplasia, FIGO Grade 1 Endometrial Endometrioid Adenocarcinoma
Interventions
Medical Device Usage and Evaluation, Tirzepatide
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
3
States / cities
Chicago, Illinois • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 5, 2026, 10:54 PM EDT
Completed Phase 4 Interventional Results available

A Pilot Study of Early Postpartum Intrauterine Contraception

NCT00997932
View directory record Official record
Conditions
Unplanned Pregnancy
Interventions
Levonorgestrel-Releasing Intrauterine Contraceptive System (LNG-IUS), 52 Mg, 5 Year Duration
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Sep 5, 2026, 10:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Immune Cell Changes in the Genital Tract 2 Months After Initiation of an IUD for Contraception

NCT01240811
View directory record Official record
Conditions
Genital Tract Mucosal Immunity, Genital Tract Microflora
Interventions
IUD placement, Levonorgestrel IUD, Copper T380A IUD
Drug
Lead sponsor
Sharon Achilles
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 25, 2017 · Synced Sep 5, 2026, 10:54 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Postplacental LNG-IUD Ultrasound Use Study

NCT04474548
View directory record Official record
Conditions
IUD Insertion Complication
Interventions
Ultrasound use
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
Female only
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 5, 2026, 10:54 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 Sep 5, 2026, 10:54 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Levonorgestrel Contraceptive Intrauterine Systems (LCS) Pearl Index Study

NCT00528112
View directory record Official record
Conditions
Contraception
Interventions
LCS12, LCS16
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
2,885 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
57
States / cities
Mobile, Alabama • Glendale, Arizona • Phoenix, Arizona + 47 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2017 · Synced Sep 5, 2026, 10:54 PM EDT
Recruiting No phase listed Observational

Heavy Menstrual Bleeding Progestin Treatment in Bleeding Disorders Study

NCT05916469
View directory record Official record
Conditions
Heavy Menstrual Bleeding, Bleeding Disorder, Von Willebrand Diseases
Interventions
Levonorgestrel Intrauterine System, Norethindrone Acetate
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
10 Years to 24 Years · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
9
States / cities
Palo Alto, California • Aurora, Colorado • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 5, 2026, 10:54 PM 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 26, 2021 · Synced Sep 5, 2026, 10:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Comparison of the Levonorgestrel IUD and the Copper IUD Placed in the Immediate Postplacental Period: A Prospective Cohort Study

NCT02067663
View directory record Official record
Conditions
Contraception
Interventions
Paragard, Mirena
Device · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 5, 2026, 10:54 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

A Multicenter Analysis of Levonorgestrel-Intrauterine System (LNG-IUS) Use in the Postpartum Period

NCT01161095
View directory record Official record
Conditions
Contraception, Postpartum Period
Interventions
LNG-IUS
Device
Lead sponsor
United States Naval Medical Center, Portsmouth
Federal
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Little Rock, Arkansas • Portsmouth, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Sep 5, 2026, 10:54 PM EDT