Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:51 AM 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 148 matching trials from the live ClinicalTrials.gov search.
Conditions
Rheumatoid Arthritis, Interstitial Lung Disease
Interventions
Research Testing Performed (Laboratory), Information Collected as Standard of Care, Research Testing Performed
Genetic · Diagnostic Test · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
4
States / cities
San Francisco, California • Aurora, Colorado • Kansas City, Kansas + 1 more
Conditions
Anemia, Sickle Cell
Interventions
HBI-002
Drug
Lead sponsor
Hillhurst Biopharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Diego, California
Not listed Phase 1 Interventional Accepts healthy volunteers

Hyperbaric Oxygen, Neutrophil-oxidative Burst, and Cytokines

NCT02563678
Conditions
Infection
Interventions
Hyperbaric Oxygen, Hyperbaric Air/Oxygen, Normobaric oxygen
Drug · Other
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
2
States / cities
Murray, Utah • Salt Lake City, Utah
Withdrawn Not applicable Interventional Accepts healthy volunteers

Equitable Smoking Relapse Prevention

NCT05625685
Conditions
Tobacco Use Disorder, Tobacco Dependence
Interventions
Quitbuddy, Control, SDoH Augmentation, SDoH Control
Other
Lead sponsor
Bryan W. Heckman
Other
Eligibility
21 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

Re-Connect Application for Smoking Cessation

NCT05224154
Conditions
Smoking Cessation, Acceptability of Health Care, Nicotine Dependence, Cigarettes
Interventions
Abstinent Contingent (AC) Re-Connect
Behavioral
Lead sponsor
Rowan University
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Glassboro, New Jersey
Conditions
HIV, AIDS, Nicotine Dependence
Interventions
Bupropion, Brief Counseling, High-magnitude prize contingency management, Monitored support to quit smoking, No additional treatment, Prize contingency management for abstinence, Low intensity prize contingency management
Drug · Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Cigarette Smoking
Interventions
Contingency Management, Brief smoking cessation counseling
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
Liver Cancer
Interventions
CO Testing Pre/Post Hepatic Resection, ABG Testing Pre/Post Hepatic Resection, CT Evaluations
Procedure · Diagnostic Test
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
1
States / cities
Glen Burnie, Maryland
Completed Not applicable Interventional Results available

Contingency Management for Smoking in Substance Abusers

NCT00807742
Conditions
Substance Abuse
Interventions
Nicotine Replacement Treatment (NRT), Brief Advice, Contingency Management, Non-Contingent Reinforcement
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Carbon Monoxide Measurement, Nicotine Lozenge, Oral Nicotine Pouch, Nicotine Patch, Survey Administration, Check-in Phone Calls
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Enrolling by invitation No phase listed Observational

Carbon Monoxide Blood and DNA Biorepository

NCT01758653
Conditions
Carbon Monoxide Poisoning
Interventions
No study intervention
Other
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2032
U.S. locations
2
States / cities
Murray, Utah • Salt Lake City, Utah
Conditions
Smoking, ADHD
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Graphic Cigarette Warnings

NCT02247908
Conditions
Smoking
Interventions
Surgeon General's Warning, Graphic Warning
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
2,149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Oakland, California • Chapel Hill, North Carolina
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Smoking Cessation Intervention During Low Dose CT (LDCT) Screening for Lung Cancer

NCT03059940
Conditions
Smoking Cessation
Interventions
Questionnaires, Low Dose Computed Tomography Scan, Shared Decision Making + Video, Cessation Counseling, Quitline, Pharmacotherapy Discussion, Nicotine Patch, Anti-Smoking Drug, Tobacco Treatment Program, Carbon Monoxide (CO) Level Test
Behavioral · Procedure · Other + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
50 Years and older
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Hodgkin's Disease
Interventions
Pulmonary Function Tests, CAT Scan
Procedure
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
2
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Diaphragm Function and Diver Endurance

NCT04679402
Conditions
Respiratory Muscles
Interventions
Carbon monoxide 200 ppm in air
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Utilizing Exhaled Breathe Condensate Collection to Study Ion Regulation in Cystic Fibrosis

NCT01880723
Conditions
Cystic Fibrosis, Healthy
Interventions
Albuterol, Placebo saline
Drug
Lead sponsor
University of Arizona
Other
Eligibility
15 Years to 55 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Anxiety, Depression, Post Traumatic Stress Disorder, Satisfaction
Interventions
POST Facilitation, Home Safety Evaluation
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
Indianapolis, Indiana
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Get Quit - Stay Quit Study

NCT01980485
Conditions
Nicotine Dependent Cigarette Smoker
Interventions
Lung Age feedback and exhaled carbon monoxide, No Lung Age Feedback
Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
21 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
4
States / cities
Harrisburg, Pennsylvania • Hershey, Pennsylvania • Palmyra, Pennsylvania
Conditions
Carbon Monoxide Poisoning
Interventions
Observational data collection
Device
Lead sponsor
Nonin Medical, Inc
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Malignant Neoplasms of Mesothelial and Soft Tissue, Human Immunodeficiency Virus
Interventions
Screening Interview, Carbon Monoxide Test, Self-Help Materials, Visual Oral Screening Examination, Direct Fluorescent Oral Visualization Examination, Oral Biopsy
Behavioral · Device · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Houston, Texas
Conditions
Cancer
Interventions
Smoking Cessation Intervention, Carbon Monoxide Measurement, Internet-Based Intervention, Survey Administration, Tai Chi
Behavioral · Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Dual Use of Cigarettes and E-cigarettes, Gestational Weight Gain, Birth-weight-for-gestational-age z Score
Interventions
Simultaneous cessation intervention, Stepwise cessation intervention, Behavior counseling only
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 64 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland