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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: TVS Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Heart Rate Variability Modulation on Stress Management Among Physicians

NCT05731856
View directory record Official record
Conditions
Burnout, Professional
Interventions
Apollo Wearable
Device
Lead sponsor
Michelle Thompson
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 14, 2026, 2:57 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Cancer Screening Program for Women at High Risk for Developing Ovarian Cancer

NCT01292733
View directory record Official record
Conditions
Ovarian Diseases, Ovarian Neoplasms
Interventions
Laboratory Tumor Marker Analysis, Transvaginal Ultrasound, Health Status Questionnaire
Other
Lead sponsor
Swedish Medical Center
Other
Eligibility
30 Years and older · Female only
Enrollment
534 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 19, 2016 · Synced Sep 14, 2026, 2:57 AM EDT
Withdrawn Not applicable Interventional

Photoacoustic Imaging in Detecting Ovarian or Fallopian Tube Cancer

NCT02530606
View directory record Official record
Conditions
Fallopian Tube Carcinoma, Ovarian Carcinoma
Interventions
Photoacoustic Imaging
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CONtrolled Focal Fibrous Band Release Method Study

NCT04743635
View directory record Official record
Conditions
Cellulite
Interventions
Avéli device
Device
Lead sponsor
Revelle Aesthetics, Inc
Industry
Eligibility
21 Years to 55 Years · Female only
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
7
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional

Transvaginal Ultrasound: Preterm Birth Prevention in Appalachia

NCT03833284
View directory record Official record
Conditions
Preterm Birth
Interventions
Participant Barriers to TVU Screening, Provider Barriers to TVU Screening
Behavioral
Lead sponsor
Niraj Chavan
Other
Eligibility
18 Years to 49 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Serum Contraceptive Hormone Levels Between Normal Weight and Obese Users of the NuvaRing®

NCT00710606
View directory record Official record
Conditions
Pharmacokinetics
Interventions
NuvaRing
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Sep 14, 2026, 2:57 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

fFN Clinical Evaluation in Asymptomatic Women at High Risk for Preterm Birth

NCT01955148
View directory record Official record
Conditions
Pre-term Birth
Interventions
Not listed
Lead sponsor
Hologic, Inc.
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
1,210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
16
States / cities
Birmingham, Alabama • San Diego, California • Newark, Delaware + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2015 · Synced Sep 14, 2026, 2:57 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Prophylactic Salpingectomy With Delayed Oophorectomy

NCT01907789
View directory record Official record
Conditions
Ovarian Carcinoma
Interventions
Ovarian Cancer Screening, Prophylactic Salpingectomy with Delayed Oophorectomy, Risk-Reducing Salpingo-Oophorectomy, Questionnaire, Transvaginal Ultrasound, Phone Call
Other · Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
30 Years to 47 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2030
U.S. locations
2
States / cities
Evanston, Illinois • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 14, 2026, 2:57 AM EDT
Terminated Not applicable Interventional

The REBALANCE Study - a Prospective, Multicenter, Randomized, Pivotal Study of the May Health System

NCT06206746
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Infertility, Female
Interventions
May Health System
Device
Lead sponsor
May Health
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
19
States / cities
Encino, California • San Francisco, California • Tampa, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2026 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional

A Trial Using Novel Markers to Predict Malignancy in Elevated-Risk Women

NCT01121640
View directory record Official record
Conditions
Epithelial Ovarian Cancer
Interventions
CA125 assay on Abbott Architect i1000SR platform, HE4 assay on Architect i1000SR platform, Transvaginal Ultrasound
Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
25 Years to 80 Years · Female only
Enrollment
854 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
5
States / cities
Duarte, California • Los Angeles, California • Stanford, California + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Depot Medroxyprogesterone Acetate as Emergency Contraception

NCT03395756
View directory record Official record
Conditions
Emergency Contraception, Contraception
Interventions
Depot-Medroxyprogestereone Acetate
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional

Effect of Transcutaneous Vagal Stimulation (TVS) on Endothelial Function and Arterial Stiffness in HFrEF

NCT03380156
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction, Endothelial Dysfunction
Interventions
TVS, Sham TVS
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 13, 2021 · Synced Sep 14, 2026, 2:57 AM EDT
Completed No phase listed Observational

Breast Imaging Studies in Women at High Genetic Risk of Breast Cancer: Menstrual Cycle Study

NCT00006425
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 26, 2020 · Synced Sep 14, 2026, 2:57 AM EDT
Recruiting No phase listed Observational

Non-Invasive Identification of Endometrial Cancer/Endometrial Atypical Hyperplasia With an AI-Based Classifier Applied to Transvaginal Ultrasound in Patients With Post-Menopausal Bleeding

NCT06365905
View directory record Official record
Conditions
Endometrial Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
55 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Efficacy of Recombinant FSH/GnRH Antagonist Protocol With and Without LH Adjunct for Egg Bank Donation

NCT02069808
View directory record Official record
Conditions
Egg Donation
Interventions
Follistim, Ganirelix, Menotropins, Leuprolide, Transvaginal ultrasound guided needle aspiration of oocytes
Drug · Procedure
Lead sponsor
Michigan Reproductive Medicine
Other
Eligibility
18 Years to 28 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Bloomfield Hills, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 22, 2018 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional

Feasibility Study of the AblaCare System in Transvaginal Ablation of Ovarian Tissue Under ULTRAsound Visualization in Women With Infertility Due to Polycystic Ovary Syndrome

NCT05320289
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Infertility, Female
Interventions
AblaCare System
Device
Lead sponsor
May Health
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Early Phase 1 Interventional

What Are we Missing? Diagnosing Uterine Adenomyosis Using Ultrasound Elastography

NCT01992718
View directory record Official record
Conditions
Uterine Bleeding, Uterine Fibroids, Adenomyosis
Interventions
Evaluation of MRI, US for pelvic and uterine conditions, Patient preference between MRI and Ultrasound
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older · Female only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Sep 14, 2026, 2:57 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Sustaining Remission From PTSD Using Tuned Vibroacoustic Stimulation (TVS) Following MDMA-Assisted Psychotherapy

NCT05274230
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Apollo Wearable
Device
Lead sponsor
Apollo Neuroscience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sonograms Enable Looking Forward - Home Examinations Led by Providers Validation Study

NCT04687189
View directory record Official record
Conditions
Fertility Risk
Interventions
Transvaginal ultrasound performed by a woman herself (with HCP supervision via telemedicine)
Device
Lead sponsor
Turtle Health, Inc.
Industry
Eligibility
18 Years to 38 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Wearable Emotion Prosthetics for Post Traumatic Stress Disorder

NCT03529981
View directory record Official record
Conditions
Health Behavior
Interventions
Tuned Vibroacoustic Stimulation (TVS), no active intervention
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 58 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2022 · Synced Sep 14, 2026, 2:57 AM EDT
Completed Phase 3 Interventional Results available

Traditional Clomiphene Citrate Administration vs. Stair-step Approach

NCT01008319
View directory record Official record
Conditions
Ovulatory Dysfunction, Anovulation, Ovulation Induction
Interventions
clomiphene citrate
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 7, 2018 · Synced Sep 14, 2026, 2:57 AM EDT
Completed No phase listed Observational

Transvaginal Pelvic Ultrasound in the ED

NCT02547857
View directory record Official record
Conditions
Abdominal Pain, Pelvic Pain
Interventions
Pelvic US
Other
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 27, 2016 · Synced Sep 14, 2026, 2:57 AM EDT
Recruiting Not applicable Interventional

Ultrasound Microvessel Imaging for the Evaluation of Ovarian and Adnexal Lesions

NCT07280312
View directory record Official record
Conditions
Female Reproductive System Adnexal Neoplasm, Ovarian Carcinoma, Female Reproductive System Neoplasm, Ovarian Neoplasms, Adnexal Lesion, Ovarian Lesion
Interventions
Transvaginal Ultrasound, Ultrasound Microvessel Imaging
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 14, 2026, 2:57 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 Sep 14, 2026, 2:57 AM EDT