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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Terminated No phase listed Observational Accepts healthy volunteers Results available

Calibration Study of a Blood Alcohol Level Smart Watch

NCT03574181
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Smartwatch to measure Blood Alcohol Level (BAL)
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years to 55 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Phase 4 Interventional Results available

POCone-UBiT-IR300 Pediatric Comparison Study

NCT01623154
View directory record Official record
Conditions
Bacterial Infection Due to Helicobacter Pylori (H. Pylori)
Interventions
Pranactin citric solution
Other
Lead sponsor
Otsuka America Pharmaceutical
Industry
Eligibility
3 Years to 18 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Miami, Florida • El Paso, Texas • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2015 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Performance of 13C Mannitol for in Vivo Measurement of Small Intestinal Permeability

NCT02603822
View directory record Official record
Conditions
Impaired Small Intestinal Permeability
Interventions
12C mannitol, Indomethacin, 13C mannitol, Lactulose
Dietary Supplement · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 3, 2019 · Synced Sep 4, 2026, 4:02 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Accuracy of Non-Invasive Blood Pressure Measurement in Adults

NCT01183741
View directory record Official record
Conditions
Hypertension, Hypotension
Interventions
Not listed
Lead sponsor
Sotera Wireless, Inc.
Industry
Eligibility
12 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2011 · Synced Sep 4, 2026, 4:02 PM EDT
Terminated No phase listed Observational

Capillary Refill Index with Rewarming

NCT04366310
View directory record Official record
Conditions
Peripheral Perfusion
Interventions
capillary refill index, rewarming
Device · Procedure
Lead sponsor
Nihon Kohden
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tracking Depression Symptoms With a Health Chatbot

NCT03990389
View directory record Official record
Conditions
Depression, Postpartum, Depression, Unipolar
Interventions
Chatbot Intervention
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Skokie, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2022 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pre-oxygenation With Real Time End-tidal Oxygen Measurements Versus Single Breath Measurements

NCT03840486
View directory record Official record
Conditions
Rapid Sequence Intubation
Interventions
Non-rebreather mask (NRBM), Non-invasive ventilator mask (NIV), Nasal cannula EtO2 sensor, Oxygen (NRBM), Oxygen (NIV)
Device · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Sep 4, 2026, 4:02 PM EDT
Not listed No phase listed Observational

The Diabetic Foot Ulcer Registry

NCT02813161
View directory record Official record
Conditions
Diabetic Foot Ulcer Outcome, Quality of Patient Care
Interventions
cellular and tissue based therapy, negative pressure wound therapy, debridement, advanced wound therapy, Nutritional screening, off-loading, Hyperbaric oxygen Therapy
Biological · Device · Procedure + 1 more
Lead sponsor
U.S. Wound Registry
Other
Eligibility
Not listed
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
The Woodlands, Texas
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutrition Intervention to Measure Metabolic Response in Children

NCT03139773
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Control Breakfast Beverage, Omega-3 Breakfast Beverage
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
8 Years to 12 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated May 7, 2017 · Synced Sep 4, 2026, 4:02 PM EDT
Active, not recruiting Not applicable Interventional

A Randomized Clinical Trial to Measure Efficacy of Music on Cardiac Surgery Patients

NCT04551469
View directory record Official record
Conditions
Cardiac Surgery
Interventions
music
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2025 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Objective Measurements of Prolonged Effects of Restasis on Dry Eye Disease

NCT00567177
View directory record Official record
Conditions
Treatment of Dry Eye Disease
Interventions
Restasis, Refresh Plus
Drug
Lead sponsor
Innovative Medical
Industry
Eligibility
13 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
6400 Fannin Ste 1800, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2010 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Early Phase 1 Interventional

Use of the Napoleon to Improve Polyp Measurement in Gastroenterology Fellows

NCT04858477
View directory record Official record
Conditions
Colonic Polyp
Interventions
Visual estimation of polyp size, Napoleon measurement of polyp size
Other · Device
Lead sponsor
NYU Langone Health
Other
Eligibility
45 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comprehensive and Continuous Status Measurement of Pre- and Post-Deployment Warfighters With Mobile Application

NCT04672811
View directory record Official record
Conditions
Military Operations, Military Activity
Interventions
Study App and Apple Watch
Device
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
595 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Oceanside, California • Fayetteville, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 4, 2026, 4:02 PM EDT
Completed No phase listed Observational

Measurement of Risperidone and 9-Hydroxyrisperidone in Plasma and Saliva

NCT00395499
View directory record Official record
Conditions
Patients Already Taking Risperidone for Clinical Indications
Interventions
Risperidone
Drug
Lead sponsor
Ohio State University
Other
Eligibility
4 Years to 14 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
2
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 22, 2016 · Synced Sep 4, 2026, 4:02 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

MRI in BPD Subjects

NCT03657693
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
NICU MRI, Polysomnography
Diagnostic Test
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 4 Months
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2030
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 4, 2026, 4:02 PM EDT
Terminated Phase 4 Interventional

Safety and Efficacy of Direct Blood Volume Measurement in the Treatment of Heart Failure

NCT01001312
View directory record Official record
Conditions
Heart Failure
Interventions
Daxor Blood Volume Analysis, Clinical volume status assessment
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
9
States / cities
Honolulu, Hawaii • Chicago, Illinois • Baltimore, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Not applicable Interventional

MRI to Measure Liver Fat Content

NCT00594412
View directory record Official record
Conditions
Fatty Liver, Hepatitis
Interventions
Diagnostic Radiology: 1H-MRS of the liver
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 4, 2026, 4:02 PM EDT
Recruiting Not applicable Interventional

The Effects of Endotracheal Suctioning on Pain and Serum Markers

NCT06692400
View directory record Official record
Conditions
Intensive Care Unit ICU, Intubation, Critical Illness, Mechanical Ventilation, Pain Measurement, Pain, Procedural, Oxidative Stress, Hypoxia, Biomarkers / Blood, Adult, Uric Acid, Sepsis, COVID, Influenza, Pneumonia
Interventions
endotracheal tube suctioning
Procedure
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 4, 2026, 4:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Novel Methodology to Measure Protein Accumulation

NCT01505621
View directory record Official record
Conditions
Aging
Interventions
L[ring-13C6]phenylalanine
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 9, 2014 · Synced Sep 4, 2026, 4:02 PM EDT
Enrolling by invitation No phase listed Observational

CTICU Device Study CRUISE

NCT06828432
View directory record Official record
Conditions
Open Heart Surgery
Interventions
CRUISE CTICU CareTaker Vitalstream Device, CRUISE CTICU CNAP Device, CRUISE CTICU Edwards Clearsight Device
Device
Lead sponsor
Hernando Gomez
Other
Eligibility
18 Years to 105 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 4, 2026, 4:02 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Single-Breath Measurement Underestimates Ventilatory Volume According to Emphysema Severity

NCT00528944
View directory record Official record
Conditions
Emphysema
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 81 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2015 · Synced Sep 4, 2026, 4:02 PM EDT
Terminated Not applicable Interventional

Reliability of Central Venous Pressure Measurements

NCT01116973
View directory record Official record
Conditions
Hemodynamics, Central Venous Pressure
Interventions
PICC
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Sep 4, 2026, 4:02 PM EDT
Active, not recruiting No phase listed Observational

Vagus Nerve Response in Gastroparesis Patients

NCT04207996
View directory record Official record
Conditions
Gastroparesis
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Sep 4, 2026, 4:02 PM EDT
Completed Not applicable Interventional Results available

Insulin Detemir Compared to Insulin Glargine: Appetite and Calories Consumed in Type 1 Diabetes

NCT00659165
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Insulin Detemir, Insulin Glargine
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 21, 2018 · Synced Sep 4, 2026, 4:02 PM EDT