Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 5, 2026, 8:27 PM EDT

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Showing 1–24 of 163 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Pregnancy, Ectopic
Interventions
No intervention
Other
Lead sponsor
Bayer
Industry
Eligibility
15 Years to 44 Years · Female only
Enrollment
3,922,877 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
San Francisco, California
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
Completed Phase 4 Interventional Results available

BLIS - Breastfeeding Levonorgestrel IUD Study

NCT01990703
Conditions
Contraception
Interventions
Levonorgestrel IUD
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Albuquerque, New Mexico • Salt Lake City, Utah
Completed Phase 4 Interventional Accepts healthy volunteers

Impact of Contraceptives on Cervico-Vaginal Mucosa

NCT04814927
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
Conditions
Atypical Endometrial Hyperplasia, FIGO Grade 1 Endometrial Endometrioid Adenocarcinoma, FIGO Grade 2 Endometrial Endometrioid Adenocarcinoma
Interventions
Everolimus, Laboratory Biomarker Analysis, Levonorgestrel-Releasing Intrauterine System
Drug · Other · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
18
States / cities
Greeley, Colorado • Loveland, Colorado • Honolulu, Hawaii + 11 more
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
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

LARC Forward Contraceptive Counseling at MHCC

NCT02735551
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
Conditions
Atypical Endometrial Hyperplasia, Stage I Uterine Corpus Cancer AJCC v7, Stage IA Uterine Corpus Cancer AJCC v7, Stage IB Uterine Corpus Cancer AJCC v7, Stage II Uterine Corpus Cancer AJCC v7
Interventions
Laboratory Biomarker Analysis, Levonorgestrel-Releasing Intrauterine System, Quality-of-Life Assessment
Other · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2027
U.S. locations
7
States / cities
Houston, Texas • Nassau Bay, Texas • Sugar Land, Texas + 1 more
Conditions
Intrauterine Devices, Cesarean Section
Interventions
Immediate Postplacental Placement of an IUD during cesarean delivery
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
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
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
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
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Early Postpartum Intrauterine Device (IUD) Placement

NCT01594476
Conditions
Contraception
Interventions
Levonorgestrel IUS
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Portland, Oregon
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Copper IUD Treatment Observation Study

NCT02519231
Conditions
Menorrhagia
Interventions
Naproxen, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
5
States / cities
Chicago, Illinois • Seattle, Washington
Conditions
Blood Coagulation Disorders
Interventions
Levonorgestrel-containing IUD (Mirena®), Copper-containing IUD (Paraguard®)
Device
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
IUD Insertion Complication, Pain Control
Interventions
Lidocaine, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrous Oxide for Pain Management of Intrauterine Device (IUD) Insertion

NCT02391714
Conditions
Contraception
Interventions
IUD insertion, Povidone-Iodine, Chlorhexidine, Oxygen, Nitrous oxide
Procedure · Drug · Other
Lead sponsor
University of New Mexico
Other
Eligibility
12 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Albuquerque, New Mexico
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
Conditions
Pain
Interventions
Transcutaneous Electrical Nerve Stimulation (TENS)
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
New Haven, Connecticut
Completed Phase 4 Interventional Accepts healthy volunteers Results available

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

NCT00653159
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
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

A Randomized Controlled Trial of No Strings Intrauterine Device (IUD) Removal Techniques

NCT05702242
Conditions
IUD Threads Not Visible, IUD Removal Complication
Interventions
IUD removal with no visible strings, Alligator forceps, Manual Vacuum Aspirator
Procedure · Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Recruiting Not applicable Interventional

Placental Imaging Techniques

NCT06861309
Conditions
Fetal Growth Restriction (FGR), Placental Insufficiency, Preeclampsia, Still Births, Pregnancy, Pregnancy Complications, Pregnancy Outcomes, Ultrasound
Interventions
ultrafast power Doppler imaging (uPDI) / quantitative ultrasound (QUS)
Device
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Roanoke, Virginia
Conditions
Pain
Interventions
High frequency transcutaneous electrical nerve stimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older · Female only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina