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ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:57 PM EDT

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

Showing 409–432 of 1,555 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Method Comparison Clear all
Completed No phase listed Observational Results available

Measuring Cardiovascular Performance and Blood Flow Using Common But Never Compared Methods.

NCT04553484
View directory record Official record
Conditions
D012039, D001775
Interventions
No intervention
Diagnostic Test
Lead sponsor
Semler Scientific
Industry
Eligibility
45 Years and older
Enrollment
657 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Macon, Georgia • Lincoln, Nebraska • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ultrasound Greater Occipital Nerve Block at C2 Level Compared to Landmark-based Greater Occipital Nerve Block

NCT03478735
View directory record Official record
Conditions
Occipital Neuralgia, Cervicogenic Headache, Migraine Without Aura
Interventions
Ultrasound Guided Greater Occipital Nerve Block at C2, Landmark-Based Greater Occipital Nerve Block
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Collaborative Efforts to Increase Flu Vaccination

NCT01403649
View directory record Official record
Conditions
Influenza, Collaboration
Interventions
Private/public collaboration to increase flu vaccination, Usual care
Behavioral · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Months to 18 Years
Enrollment
117,175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
27
States / cities
Aurora, Colorado • Brighton, Colorado • Broomfield, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Oct 21, 2026, 12:57 PM EDT
Terminated No phase listed Observational

Firefighter Cardiorespiratory Fitness (CRF) Pilot Study

NCT03585335
View directory record Official record
Conditions
Cardiorespiratory Fitness
Interventions
Not listed
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Oct 21, 2026, 12:57 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Wound Closure Techniques

NCT00282633
View directory record Official record
Conditions
Wounds, Closure
Interventions
Dermabond
Device
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 31, 2007 · Synced Oct 21, 2026, 12:57 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Therapeutic Epidural Patch Versus Pain Block in the Midface for Headache

NCT03112720
View directory record Official record
Conditions
Postdural Puncture Headache
Interventions
Epidural Blood Patch, Sphenopalatine Ganglion Block
Device · Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
13 Years to 92 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 21, 2026, 12:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Human Microbiome in Immune-Mediated Diseases

NCT02394964
View directory record Official record
Conditions
Autoimmune
Interventions
Sample Collection
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2023
U.S. locations
2
States / cities
New Haven, Connecticut • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Contrast- Enhanced Whole-Heart Coronary MRA at 3.0T (Tesla)

NCT02092428
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Image Quality, Diagnostic Accuracy
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 23, 2018 · Synced Oct 21, 2026, 12:57 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Cerebrovascular Reactivity Assessed With fNIRS as a Biomarker of TCVI After Acute Traumatic Brain Injury in Military

NCT04058132
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Sildenafil Citrate 50Mg Tab, functional Near-infrared Spectroscopy (fNIRS), Carbon Dioxide (CO2) 5%, Neuropsychological Assessments, Gadolinium contrast infusion, Blood sample collection for research purposes, Structural brain Magnetic Resonance Imaging (MRI
Drug · Device · Other + 1 more
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years to 55 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional

A Novel Lung Function Imaging Modality As a Preoperative Evaluation Tool (LIME)

NCT03426306
View directory record Official record
Conditions
Lung Cancer
Interventions
4DCT-Ventilation
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Aurora, Colorado • Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Trial to Compare Clear Aligners' Auxiliaries on Rotational Accuracy

NCT06418984
View directory record Official record
Conditions
Rotation of Tooth
Interventions
auxiliary
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 21, 2026, 12:57 PM EDT
Enrolling by invitation Phase 4 Interventional

Pilot Study on EXPAREL as an Intra-articular Posteromedial Surgeon Administered (IPSA) Block vs. Local Infiltration Analgesia in Knee Replacement Surgery

NCT07584915
View directory record Official record
Conditions
Total Knee Arthroplasty, Total Knee Arthroplasty Recovery
Interventions
Intra-articular Posteromedial Surgeon Administered (IPSA) Block with LIA, Local Infiltration Analgesia (LIA), Bupivacaine liposome injectable suspension (IPSA block), Bupivacaine liposome injectable suspension (LIA)
Procedure · Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 21, 2026, 12:57 PM EDT
Completed No phase listed Observational

Calibration of Urine pH Strips for NCI Case-Control Studies on Bladder Cancer and Comparison of DNA Yields From Buccal Cells Collected Through Two Different Methods

NCT00339443
View directory record Official record
Conditions
Calibration
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improved Breast MRI With SWIFT

NCT01156987
View directory record Official record
Conditions
Breast Cancer
Interventions
Magnetic resonance imaging
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Educational Methods for Teaching Peripheral Blood Smears

NCT02435316
View directory record Official record
Conditions
Hematologic Diseases
Interventions
Case vignette-based teaching of cell recognition, Compare-contrast basic science teaching of cell recognition
Other
Lead sponsor
The Reading Hospital and Medical Center
Other
Eligibility
26 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
West Reading, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2023 · Synced Oct 21, 2026, 12:57 PM EDT
Recruiting Phase 2 Interventional

Testing the Investigational Medication Combination of Daratumumab and Teclistamab Compared to the Usual Treatment (Daratumumab, Pomalidomide, Dexamethasone or Daratumumab, Carfilzomib, Dexamethasone) for Patients With High-risk Multiple Myeloma Refractory or in First Relapse

NCT06948084
View directory record Official record
Conditions
Recurrent Multiple Myeloma, Refractory Multiple Myeloma
Interventions
Biospecimen Collection, Bone Marrow Biopsy, Carfilzomib, Computed Tomography, Daratumumab and Recombinant Human Hyaluronidase, Dexamethasone, FDG-Positron Emission Tomography, Pomalidomide, Teclistamab
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
27
States / cities
Coeur d'Alene, Idaho • Post Falls, Idaho • Sandpoint, Idaho + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 21, 2026, 12:57 PM EDT
Active, not recruiting Phase 3 Interventional

Single Fraction Stereotactic Radiosurgery or Three to Five Fraction Stereotactic Radiosurgery in Treating Patients With Brain Metastasis That Has Been Removed by Surgery

NCT04114981
View directory record Official record
Conditions
Metastatic Malignant Neoplasm in the Brain
Interventions
Single Fraction Stereotactic Radiosurgery, Fractionated Stereotactic Radiosurgery, Quality-of-Life Assessment, Questionnaire Administration
Radiation · Procedure · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
223
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 180 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Results available

Comparison Between Two Methods of Spontaneous Breathing Trial (SBT)

NCT00400881
View directory record Official record
Conditions
Respiratory Failure
Interventions
automatic tube compensation
Other
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2017 · Synced Oct 21, 2026, 12:57 PM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Tethered Capsule Endoscope in Screening Participants for Barrett Esophagus

NCT00903136
View directory record Official record
Conditions
Esophageal Cancer, Precancerous Condition
Interventions
questionnaire administration, comparison of screening methods, diagnostic endoscopic procedure, esophagogastroduodenoscopy, tethered capsule endoscopy
Other · Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 10, 2014 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional

Paravertebral Blocks: Pilot Study to Compare Nerve Stimulation vs. Anatomic Landmarks in Inguinal Hernia Repair

NCT00587704
View directory record Official record
Conditions
Inguinal Hernia
Interventions
PVB using nerve stimulation, PVB using anatomic landmarks
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 23, 2010 · Synced Oct 21, 2026, 12:57 PM EDT
Terminated Not applicable Interventional

Surgical Versus Non-surgical Staging of Lung Cancer

NCT01117714
View directory record Official record
Conditions
Lung Cancer
Interventions
Integrated Staging for Early Detection of Metastases in Lung Cancer
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Jacksonville, Florida • Rochester, Minnesota • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 16, 2018 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Compex Use With Delayed Onset Muscle Soreness: A Comparison to Other Methods

NCT01967121
View directory record Official record
Conditions
Focus of Study is to Determine Efficacy of Compex
Interventions
Compex unit's Active Recovery® program, Ice application
Device · Other
Lead sponsor
Michigan State University
Other
Eligibility
18 Years to 30 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 29, 2014 · Synced Oct 21, 2026, 12:57 PM EDT
Active, not recruiting Phase 3 Interventional

Stereotactic Radiosurgery Compared to Observation in Treating Patients With Brain Metastases

NCT00950001
View directory record Official record
Conditions
Metastatic Malignant Neoplasm in the Brain
Interventions
Stereotactic Radiosurgery
Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
4 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 21, 2026, 12:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating and Improving the Sustainability of State-level Tobacco Control Programs in the United States

NCT03598114
View directory record Official record
Conditions
Program Sustainability, Tobacco Use
Interventions
Program Sustainability Action Planning Model and Training Curricula
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 5, 2023 · Synced Oct 21, 2026, 12:57 PM EDT