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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Abortion; Induced Clear all
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Second Trimester Labor Induction

NCT00592215
View directory record Official record
Conditions
Second Trimester Labor Induction
Interventions
Experimental (mifepristone and misoprostol)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 7, 2017 · Synced Jul 21, 2026, 9:58 AM EDT
Terminated No phase listed Observational

Abo Follow-up Study

NCT03243513
View directory record Official record
Conditions
Pregnancy Termination
Interventions
Retrospective Chart Review
Other
Lead sponsor
University of New Mexico
Other
Eligibility
Female only
Enrollment
1,600 participants
Timeline
2017 – 2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MA-ASAP at Independent Abortion Clinics: A Demonstration Project

NCT05781061
View directory record Official record
Conditions
Abortion Early
Interventions
Screening for Eligibility
Other
Lead sponsor
Gynuity Health Projects
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Whitefish, Montana
Source: ClinicalTrials.gov public record
Updated Jan 26, 2025 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Results available

Insertion of an Intrauterine Device (IUD) After Medical Abortion

NCT00621543
View directory record Official record
Conditions
Intrauterine Device Expulsion, Medical Abortion, Induced Abortion
Interventions
IUD insertion [Copper T-380A or Levonorgestrel (intrauterine system) IUS]
Device
Lead sponsor
Boston University
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Boston, Massachusetts • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 13, 2011 · Synced Jul 21, 2026, 9:58 AM EDT
Terminated No phase listed Observational

Serum Concentrations of Pregnancy-associated Proteins for Assessment of Gestational Age Before Abortion

NCT04232189
View directory record Official record
Conditions
Pregnancy
Interventions
no intervention
Other
Lead sponsor
Gynuity Health Projects
Other
Eligibility
Female only
Enrollment
275 participants
Timeline
2019 – 2020
U.S. locations
3
States / cities
West Palm Beach, Florida • Chicago, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Jul 21, 2026, 9:58 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Efficacy Study of Preconception Treatment of an Asymptomatic Bacterial Infection in an Infertility Population

NCT01322971
View directory record Official record
Conditions
Vaginosis, Bacterial, Infertility, Miscarriage
Interventions
Metronidazole, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2021 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Results available

Hydrocodone For Pain Control in First Trimester Surgical Abortion

NCT01330459
View directory record Official record
Conditions
Pain
Interventions
Hydrocodone/acetaminophen, Placebo, Ibuprofen, Lorazepam, Lidocaine
Drug
Lead sponsor
Elizabeth Micks
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Jul 21, 2026, 9:58 AM EDT
Not yet recruiting Phase 4 Interventional

Azithromycin for Cerclage Prophylaxis

NCT07608562
View directory record Official record
Conditions
Cervical Insufficiency
Interventions
Azithromycin Prophylaxis, Azithromycin Placebo, Cefazolin
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Oak Lawn, Illinois • Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Mifepristone at Same Time Multicenter Study

NCT00269568
View directory record Official record
Conditions
Abortion Seekers
Interventions
mifepristone and misoprostol
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
1,128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
4
States / cities
Los Angeles, California • Chicago, Illinois • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Jul 21, 2026, 9:58 AM EDT
Recruiting Phase 3 Interventional

APPLE: Aspirin to Prevent Pregnancy Loss and Preeclampsia

NCT06408181
View directory record Official record
Conditions
Pre-Eclampsia, Pregnancy Loss
Interventions
Aspirin 162 mg, Aspirin 81mg
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Jul 21, 2026, 9:58 AM EDT
Completed No phase listed Observational

International NaProTechnology Evaluation and Surveillance of Treatment for Infertility and Miscarriage (iNEST)

NCT01363596
View directory record Official record
Conditions
Infertility, Miscarriage
Interventions
Creighton Model System in conjunction with Natural Procreative Technology (NPT)
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 50 Years
Enrollment
834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2020
U.S. locations
5
States / cities
Baton Rouge, Louisiana • Gardner, Massachusetts • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Jul 21, 2026, 9:58 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Trial Comparing Intravenous and Oral Moderate Sedation for First Trimester Surgical Abortions

NCT01011634
View directory record Official record
Conditions
Undesired Intrauterine Pregnancy, First Trimester Pregnancy
Interventions
Intravenous moderate sedation versus oral medication
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years to 55 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 15, 2013 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

RCT: Can a Single Counseling Phone Call Improve Contraception After an Abortion?

NCT01199952
View directory record Official record
Conditions
Contraception
Interventions
Treatment group: receives counseling phone call intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
15 Years and older · Female only
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Jul 21, 2026, 9:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Amniotic Fluid Sludge in Cerclage Patients as an Indicator for Increased Risk of Preterm Delivery and Neonatal Outcome.

NCT00722085
View directory record Official record
Conditions
High Risk Pregnancy, Incompetent Cervix, Cerclage, Amniotic Fluid Sludge, Gestation Age at Delivery.
Interventions
Not listed
Lead sponsor
Center For Maternal Fetal Medicine
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 24, 2008 · Synced Jul 21, 2026, 9:58 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Patient Attitudes Toward Ultrasound Measurement of Cervical Length

NCT01482039
View directory record Official record
Conditions
Cervical Insufficiency
Interventions
Sequential ultrasound, Transvaginal ultrasound
Procedure
Lead sponsor
Intermountain Women and Children's Research
Other
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 29, 2011 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Folic Acid and Zinc Supplementation Trial (FAZST)

NCT01857310
View directory record Official record
Conditions
Pregnancy, Live Birth, Spontaneous Abortion
Interventions
5 mg folic acid and 30 mg elemental zinc, Placebo Comparator: Placebo
Dietary Supplement · Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 45 Years
Enrollment
2,370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
4
States / cities
Chicago, Illinois • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Virtual Reality Experience in First Trimester D&C

NCT03533036
View directory record Official record
Conditions
First Trimester Abortion, Virtual Reality
Interventions
applied VR headset
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Aspirin in Gestation and Reproduction

NCT00467363
View directory record Official record
Conditions
Birth, Spontaneous Abortion
Interventions
acetylsalicylic-acid (aspirin), Folic acid
Drug · Dietary Supplement
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
1,228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
4
States / cities
Denver, Colorado • Buffalo, New York • Scranton, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Refining Paracervical Block Techniques for Pain Control in First Trimester Surgical Abortion

NCT01466491
View directory record Official record
Conditions
Pain
Interventions
Paracervical block technique with lidocaine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
332 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Results available

Value of Mifepristone in Cervical Preparation Prior to Dilation and Evacuation 19-24 Weeks

NCT01615731
View directory record Official record
Conditions
Abortion, Induced
Interventions
Mifepristone, Hygroscopic cervical dilators, Misoprostol, Intra-amniotic digoxin
Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
2
States / cities
San Jose, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Transabdominal and Transvaginal Sonography in Medical Abortion

NCT03047551
View directory record Official record
Conditions
Abortion Early
Interventions
Transabdominal sonography, Transvaginal sonography
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
634 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Morristown, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2019 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Paracervical Versus Intracervical Lidocaine

NCT00816751
View directory record Official record
Conditions
Abortion, Induced, Pain
Interventions
Paracervical block, Intracervical, Buffered Lidocaine, vasopressin, sodium bicarbonate
Procedure · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Misoprostol Versus Dilapan-S for Cervical Preparation

NCT00835731
View directory record Official record
Conditions
Cervical Ripening
Interventions
misoprostol, Dilapan-S, vitamin B-12
Drug · Device
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2017 · Synced Jul 21, 2026, 9:58 AM EDT
Completed Phase 2 Interventional Results available

Gabapentin as an Adjunct to Perioperative Pain Management Regimens for Uterine Aspiration

NCT02725710
View directory record Official record
Conditions
Other Abortion, Spontaneous Abortion
Interventions
Gabapentin, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2019 · Synced Jul 21, 2026, 9:58 AM EDT