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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Paragard Clear all
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 2, 2026, 2:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT02391714
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Sep 2, 2026, 2:48 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 2, 2026, 2:48 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 2, 2026, 2:48 PM EDT
Completed No phase listed Observational Results available

Patient Factors Associated With Fragmentation of Copper Intrauterine Device (IUD) Requiring Hysteroscopic Removal

NCT07351084
View directory record Official record
Conditions
Intrauterine Device Complications, Contraceptive Device Failure, IUD Fragmentation, Retained Intrauterine Device, Female Contraception, Women's Health, Reproductive Health
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
44 participants
Timeline
2025
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 2, 2026, 2:48 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 2, 2026, 2:48 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 2, 2026, 2:48 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 2, 2026, 2:48 PM EDT
Terminated Not applicable Interventional Results available

Immediate Postplacental IUD Insertion

NCT02169869
View directory record Official record
Conditions
Contraception
Interventions
Mirena, Paragard
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 2, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Results available

RAPID EC - Rct Assessing Pregnancy With Intrauterine Devices for EC

NCT02175030
View directory record Official record
Conditions
Contraception
Interventions
Copper IUD, Levonorgestrel IUD
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
711 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
6
States / cities
Logan, Utah • Ogden, Utah • Orem, Utah + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Sep 2, 2026, 2:48 PM 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 2, 2026, 2:48 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 2, 2026, 2:48 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Compare Two Copper IUDs: Mona Lisa NT Cu380 Mini and ParaGard

NCT03124160
View directory record Official record
Conditions
Healthy Women, Female Contraception
Interventions
Mona Lisa® NT Cu380 Mini, ParaGard® TCu380A
Drug
Lead sponsor
FHI 360
Other
Eligibility
16 Years to 40 Years · Female only
Enrollment
1,105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
16
States / cities
Los Angeles, California • Sacramento, California • San Francisco, California + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 2, 2026, 2:48 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 2, 2026, 2:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Study on Medical Records of Women Using an Intrauterine Device (IUD) to Analyze the Risks That the IUD Will be Expelled or Perforates the Womb in Relation to Breastfeeding, the Point in Time When the IUD Was Inserted After Childbirth and in Relation to Different Types of IUDs

NCT03754556
View directory record Official record
Conditions
Intrauterine Devices
Interventions
Intrauterine device
Device
Lead sponsor
Bayer
Industry
Eligibility
Up to 50 Years · Female only
Enrollment
326,658 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
4
States / cities
Oakland, California • Pasadena, California • Indianapolis, Indiana + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Sep 2, 2026, 2:48 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 2, 2026, 2:48 PM EDT
Completed Not applicable Interventional Results available

Tracking IUD Bleeding Experiences: An Evaluation of Bleeding Profiles in New Intrauterine Device Users

NCT02311478
View directory record Official record
Conditions
Intrauterine Devices, Copper, Metrorrhagia, Menstruation, Menstrual Cycle
Interventions
T380A Intrauterine Copper Contraceptive
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Sep 2, 2026, 2:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pain Control for Intrauterine Device Placement: A Trial of Ketorolac Prior to Intrauterine Device Placement

NCT01664559
View directory record Official record
Conditions
Pain Control With IUD Insertion
Interventions
Ketorolac, Normal Saline
Drug
Lead sponsor
Lynn Ngo
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 22, 2015 · Synced Sep 2, 2026, 2:48 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 2, 2026, 2:48 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Early Postpartum Intrauterine Device (IUD) Placement

NCT01594476
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 10, 2019 · Synced Sep 2, 2026, 2:48 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Assess the Safety of a New Inserter Device for Paragard® (Intrauterine Copper Contraceptive)

NCT05309694
View directory record Official record
Conditions
Contraception
Interventions
Paragard® T380A Intrauterine Copper Contraceptive with New Inserter
Combination Product
Lead sponsor
CooperSurgical Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
8
States / cities
Denver, Colorado • South Miami, Florida • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 2, 2026, 2:48 PM EDT
Completed No phase listed Observational

Postpartum Glucose Tolerance With Levonorgesterel IUD Use in Women With Recent Gestational Diabetes

NCT01022645
View directory record Official record
Conditions
Gestational Diabetes, Glucose Intolerance, Type 2 Diabetes, Intrauterine Contraception
Interventions
Mirena (Levonorgestrel IUD), Paragard (Copper IUD ) or Tubal Ligation
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 19, 2014 · Synced Sep 2, 2026, 2:48 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 2, 2026, 2:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Weight Change Among Users of Three Progestin-Only Methods of Contraception Over a 12-Month Time Period

NCT01592058
View directory record Official record
Conditions
Weight Change
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
427 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Sep 2, 2026, 2:48 PM EDT