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ClinicalTrials.gov public records Last synced May 21, 2026, 10:56 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Abortion, First Trimester Clear all
Completed No phase listed Observational
View directory record Official record
Conditions
Preeclampsia, Pregnancy Loss
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
684 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced May 21, 2026, 10:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Pharmacist Provision of Medication Abortion
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Sep 22, 2024 · Synced May 21, 2026, 10:56 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
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 May 21, 2026, 10:56 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Pregnancy Trimester, First, Abortion, Threatened
Interventions
Thromboelastometry testing
Diagnostic Test
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2020 · Synced May 21, 2026, 10:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available
View directory record Official record
Conditions
Contraception
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
13 Years to 45 Years · Female only
Enrollment
321 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2013 · Synced May 21, 2026, 10:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy Termination in First Trimester
Interventions
Not listed
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 30, 2023 · Synced May 21, 2026, 10:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
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 May 21, 2026, 10:56 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Dextromethorphan Hydrobromide, Avicel PH101 (Microcrystalline Cellulose NF) for Compounding, Oxycodone
Drug
Lead sponsor
Study Investigator-Sponsor
Other
Eligibility
18 Years and older · Female only
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced May 21, 2026, 10:56 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Abortion in First Trimester, Pain
Interventions
Transcutaneous electrical nerve stimulation (TENS), Sham
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2025 · Synced May 21, 2026, 10:56 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Legal Abortion With Complication, Pain
Interventions
Paracervical Block, Sham Paracervical Block
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 26, 2019 · Synced May 21, 2026, 10:56 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cervical Preparation
Interventions
Mifepristone, Misoprostol
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced May 21, 2026, 10:56 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Electric Vacuum Aspiration, Manual Vacuum Aspiration
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced May 21, 2026, 10:56 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Abortion, Spontaneous, Abortion in First Trimester, Pain Uterus, Abortion Early, Abortion, Missed
Interventions
40cc buffered 0.5% lidocaine with 2 units of vasopressin paracervical block, 20cc 1% lidocaine with 2 units of vasopressin paracervical block
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced May 21, 2026, 10:56 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Early Pregnancy Loss, Miscarriage in First Trimester, Miscarriage
Interventions
Letrozole, Misoprostol
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced May 21, 2026, 10:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Nitrous oxide administration
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced May 21, 2026, 10:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
First Trimester Abortion
Interventions
Azithromycin, Doxycycline, Metronidazole, Placebo
Drug
Lead sponsor
Medstar Health Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 10, 2022 · Synced May 21, 2026, 10:56 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Abortion, Therapeutic
Interventions
Misoprostol
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
Female only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2007 · Synced May 21, 2026, 10:56 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Pregnancy Termination, Pain Management
Interventions
Non-pharmacologic pain control adjuncts
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced May 21, 2026, 10:56 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Abortifacient Agents, Nonsteroidal, Abortion, Incomplete, Misoprostol, Pregnancy
Interventions
Misoprostol
Drug
Lead sponsor
Madigan Army Medical Center
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2006
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Feb 7, 2008 · Synced May 21, 2026, 10:56 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Medical Abortion
Interventions
Mifepristone + 2 doses of misoprostol 800 mcg
Drug
Lead sponsor
Gynuity Health Projects
Other
Eligibility
11 Years to 55 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
6
States / cities
Hilo, Hawaii • Honolulu, Hawaii • Saint Paul, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced May 21, 2026, 10:56 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Abortion in First Trimester, Pain, Procedural, Opioid Use
Interventions
Ketamine, Fentanyl
Drug
Lead sponsor
University of Washington
Other
Eligibility
14 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Renton, Washington
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced May 21, 2026, 10:56 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Undesired Pregnancy
Interventions
oxycodone + lorazepam versus fentanyl + midazolam
Drug
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced May 21, 2026, 10:56 PM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Abortion, First Trimester, Pain Management, Pain After Surgery, Satisfaction, Satisfaction With Care, Anxiety After Surgery
Interventions
VR headset, Usual Care
Device · Other
Lead sponsor
Study Investigator
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced May 21, 2026, 10:56 PM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Pain, Medical Abortion
Interventions
Methadone Pill, Ibuprofen
Drug
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 22, 2023 · Synced May 21, 2026, 10:56 PM EDT