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ClinicalTrials.gov public records Last synced Sep 25, 2026, 3:41 PM EDT

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Showing 1–24 of 85 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Plan B (Levonorgestrel) Clear all
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 25, 2026, 3:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Elenestinib in Healthy Adult Female Participants

NCT07388511
View directory record Official record
Conditions
Healthy Participants
Interventions
Elenestinib, Midazolam, Levonorgestrel/Ethinyl Estradiol
Drug
Lead sponsor
Blueprint Medicines Corporation
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 25, 2026, 3:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Copper T380 IUD Versus Oral Levonorgestrel for Emergency Contraception vs. Plan B for Emergency Contraception

NCT00669396
View directory record Official record
Conditions
Pregnancy
Interventions
Copper T380 IUD, levonorgestrel
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 21, 2014 · Synced Sep 25, 2026, 3:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Michigan Contraceptive Access, Research, and Evaluation Study Children: Phase 1

NCT04371900
View directory record Official record
Conditions
Pregnancy
Interventions
Mother receives voucher valued at 100% of cost of name-brand IUD (March 4, 2019-March 31, 2023), Mother receives voucher valued at 50% of cost of name-brand IUD (August 26, 2018-March 3, 2019)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
0 Years to 17 Years
Enrollment
4,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2049
U.S. locations
9
States / cities
Ann Arbor, Michigan • Detroit, Michigan • Ferndale, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 25, 2026, 3:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety, Tolerability, PK, ECG Effects, Food Effect, and Drug-drug Interaction (DDI) of Hormonal Contraceptives of PTI-428 in Healthy Female Volunteers

NCT02846142
View directory record Official record
Conditions
Healthy Volunteer
Interventions
PTI-428, Placebo, ethinyl estradiol and levonorgestrel
Drug · Other
Lead sponsor
Proteostasis Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Sep 25, 2026, 3:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Early vs. Interval Postpartum IUD Insertion

NCT03462758
View directory record Official record
Conditions
Contraception
Interventions
IUD
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
404 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
4
States / cities
La Jolla, California • San Diego, California • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 25, 2026, 3:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Copper T380A IUD vs. Oral Levonorgestrel for Emergency Contraception

NCT00966771
View directory record Official record
Conditions
Pregnancy
Interventions
Copper T380 IUD, Oral levonorgestrel
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Salt Lake City, Utah • West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced Sep 25, 2026, 3:41 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 25, 2026, 3:41 PM EDT
Completed Phase 4 Interventional Results available

Treatment of Heavy Menstrual Bleeding in Women With Uterine Fibroids

NCT03317795
View directory record Official record
Conditions
Heavy Menstrual Bleeding, Menorrhagia, Uterine Fibroids
Interventions
Levonorgestrel IUS, Tranexamic Acid
Drug
Lead sponsor
Shannon K. Laughlin-Tommaso
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Sep 25, 2026, 3:41 PM EDT
Active, not recruiting Phase 2 Interventional

Levonorgestrel-Releasing Intrauterine System With or Without Everolimus in Treating Patients With Atypical Hyperplasia or Stage IA Grade 1 Endometrial Cancer

NCT02397083
View directory record Official record
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 – 2028
U.S. locations
18
States / cities
Greeley, Colorado • Loveland, Colorado • Honolulu, Hawaii + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Sep 25, 2026, 3:41 PM EDT
Completed No phase listed Observational

The Influence of the Menstrual Cycle on Lithium and Sertraline Blood Levels

NCT01385709
View directory record Official record
Conditions
Bipolar Affective Disorders, Cyclothymic Disorder, Schizoaffective Disorder, Major Depressive Disorder, Dysthymic Disorder, Obsessive-Compulsive Disorder, Panic Disorder, Posttraumatic Stress Disorder, Premenstrual Dysphoric Disorder, Social Anxiety Disorder
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2017 · Synced Sep 25, 2026, 3:41 PM EDT
Completed Phase 3 Interventional Results available

Mirena Extension Trial

NCT02985541
View directory record Official record
Conditions
Contraception
Interventions
Levonorgestrel IUS (Mirena, BAY86-5028)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
364 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
49
States / cities
Mobile, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 44 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2022 · Synced Sep 25, 2026, 3:41 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 25, 2026, 3:41 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 25, 2026, 3:41 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 25, 2026, 3:41 PM EDT
Active, not recruiting Not applicable Interventional

Role of Dietary Habits in Efficacy of Bariatric Surgery - Study C

NCT03482986
View directory record Official record
Conditions
Bariatric Surgery, Sleeve Gastrectomy, Obesity
Interventions
Dietary habits plan
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
22 Years to 62 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 25, 2026, 3:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stress Hormones and IUDs

NCT03499379
View directory record Official record
Conditions
Contraception, Mood Change
Interventions
Mirena, Paraguard
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 6, 2020 · Synced Sep 25, 2026, 3:41 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 25, 2026, 3:41 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 25, 2026, 3:41 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Modulation of Mucosal and Systemic Immunity by Hormonal Contraceptives

NCT01750476
View directory record Official record
Conditions
Initiation of Oral Contraception (OC), Initiation of Depo-Provera (DMPA), Initiation of Mirena (LNG-IUD)
Interventions
Mirena, Oral contraception, Depo-Provera
Drug
Lead sponsor
Thomas Cherpes, DVM, MD
Other
Eligibility
15 Years to 25 Years · Female only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced Sep 25, 2026, 3:41 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Advance Supply of Emergency Contraception Compared to Routine Postpartum Care in Teens

NCT00433004
View directory record Official record
Conditions
Post Partum
Interventions
Plan B (Levonorgestrel)
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
14 Years to 19 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Sep 25, 2026, 3:41 PM EDT
Recruiting Phase 2 Interventional

A Study of a New Way to Treat Children and Young Adults With a Brain Tumor Called NGGCT

NCT04684368
View directory record Official record
Conditions
Central Nervous System Nongerminomatous Germ Cell Tumor, Choriocarcinoma, Embryonal Carcinoma, Immature Teratoma, Malignant Teratoma, Mixed Germ Cell Tumor, Pineal Region Germ Cell Tumor, Pineal Region Immature Teratoma, Pineal Region Yolk Sac Tumor, Suprasellar Germ Cell Tumor
Interventions
Biospecimen Collection, Carboplatin, Etoposide, Filgrastim, Ifosfamide, Magnetic Resonance Imaging, Mesna, Pegfilgrastim, Peripheral Blood Stem Cell Transplantation, Questionnaire Administration, Radiation Therapy, Second-Look Surgery, Thiotepa
Procedure · Drug · Biological + 2 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
3 Years to 29 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
152
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 120 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 25, 2026, 3:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quick Start Insertion of Mirena and ParaGard

NCT01730911
View directory record Official record
Conditions
Bleeding, Cramping, Pregnancy With IUD in Place, IUD Expulsion, IUD Removal
Interventions
Text message
Other
Lead sponsor
Columbia University
Other
Eligibility
Female only
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2014 · Synced Sep 25, 2026, 3:41 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Long-Acting Reversible Contraception

NCT01299116
View directory record Official record
Conditions
Contraception
Interventions
DMPA, oral contraceptives, Implanon®, ParaGard®, Mirena®
Drug
Lead sponsor
FHI 360
Other
Eligibility
18 Years to 29 Years · Female only
Enrollment
916 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 27, 2018 · Synced Sep 25, 2026, 3:41 PM EDT