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ClinicalTrials.gov public records Last synced Oct 30, 2026, 2:36 PM EDT

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Showing 313–336 of 878 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observation only Clear all
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Uterine Access, Uterine Patency and Intrauterine Adhesions Following Endometrial Ablation

NCT04824430
View directory record Official record
Conditions
Intrauterine Adhesion
Interventions
Not listed
Lead sponsor
Rejoni Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Newburgh, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 16, 2022 · Synced Oct 30, 2026, 2:36 PM EDT
Completed No phase listed Observational

An Observational Study Evaluating the Safety, Tolerability, and Efficacy of Treatment of SM04690 or Placebo Previously Injected in the Target Knee Joint of Subjects With Moderately to Severely Symptomatic Osteoarthritis

NCT02951026
View directory record Official record
Conditions
Osteoarthritis
Interventions
Not applicable (no therapy is administered as part of this study)
Other
Lead sponsor
Biosplice Therapeutics, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
703 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
62
States / cities
Birmingham, Alabama • Oro Valley, Arizona • Phoenix, Arizona + 59 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2020 · Synced Oct 30, 2026, 2:36 PM EDT
Enrolling by invitation No phase listed Observational

Biomarkers of Airway Disease, Barrett's and Underdiagnosed Reflux Noninvasively (BADBURN)

NCT05216133
View directory record Official record
Conditions
Airway Disease, Barrett Esophagus, Gastroesophageal Reflux Disease
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
37 Years to 90 Years · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Trial With Zoledronic Acid for the Treatment of Paget's Disease of Bone, Including an Extended Observation Period

NCT00103740
View directory record Official record
Conditions
Paget's Disease of Bone
Interventions
zoledronic acid, placebo to zoledronic acid, Risedronate, Placebo to risedronate, Calcium and vitamin D supplements
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
30 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
10
States / cities
Tucson, Arizona • Colorado Springs, Colorado • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2012 · Synced Oct 30, 2026, 2:36 PM EDT
Recruiting No phase listed Observational

Registry for Stage 2 Type 1 Diabetes

NCT06481904
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
TZIELD (teplizumab-mzwv)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2037
U.S. locations
37
States / cities
Los Angeles, California • San Francisco, California • Aurora, Colorado + 32 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 3 Interventional Results available

Vincristine, Carboplatin, and Etoposide or Observation Only in Treating Patients Who Have Undergone Surgery for Newly Diagnosed Retinoblastoma

NCT00335738
View directory record Official record
Conditions
Intraocular Retinoblastoma
Interventions
liposomal vincristine sulfate, carboplatin, etoposide
Drug
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 6 Years
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2020
U.S. locations
48
States / cities
Birmingham, Alabama • Tucson, Arizona • Arcadia, California + 40 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 30, 2026, 2:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Learning Study for a Mobile Smoking Cessation Program

NCT04857515
View directory record Official record
Conditions
Smoking Cessation, Smoking Behaviors, Smoking Reduction, Smoking, Cigarette, Smoking, Nicotine Dependence
Interventions
Clickotine®
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 3 Interventional Results available

Chemotherapy Before Autologous Stem Cell Transplantation +/- Rituximab in Relapsed or Refractory Aggressive Non-Hodgkin's Lymphoma

NCT00078949
View directory record Official record
Conditions
Lymphoma
Interventions
rituximab, cisplatin, cytarabine, dexamethasone, gemcitabine hydrochloride
Biological · Drug
Lead sponsor
NCIC Clinical Trials Group
Network
Eligibility
16 Years to 65 Years
Enrollment
849 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
5
States / cities
Chicago, Illinois • Indianapolis, Indiana • Hackensack, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2023 · Synced Oct 30, 2026, 2:36 PM EDT
Active, not recruiting Not applicable Interventional

Micro-UltraSound In Cancer - Active Surveillance

NCT05558241
View directory record Official record
Conditions
Prostate Cancer
Interventions
High-resolution micro-ultrasound
Device
Lead sponsor
University of Alberta
Other
Eligibility
18 Years and older · Male only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2033
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Recruiting Phase 1 Interventional

18F-Fluciclovine PET Amino Acid Evaluation of Brain Metastasis Treated With Stereotactic Radiosurgery

NCT06048094
View directory record Official record
Conditions
Brain Metastases, Brain Metastases, Adult, Brain Cancer
Interventions
18F fluciclovine
Drug
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

An Observational Study of Moderna COVID-19 Bivalent Vaccines (Original and Omicron BA.4/BA.5) and 2023 Updated mRNA COVID-19 Vaccines (XBB.1.5)

NCT05765578
View directory record Official record
Conditions
COVID-19
Interventions
Moderna COVID-19 Vaccine, Moderna mRNA1273.222 Booster, Pfizer COVID-19 Vaccine, Moderna 2023 Updated COVID-19 vaccine (XBB.1.5), Pfizer 2023 Updated COVID-19 vaccine (XBB.1.5)
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,713 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Culver City, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Oct 30, 2026, 2:36 PM EDT
Not listed No phase listed Observational

Impact of Primary Language on Treatment and Outcomes in Inflammatory Bowel Disease

NCT06405503
View directory record Official record
Conditions
Inflammatory Bowel Disease
Interventions
NO INTERVENTION
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 30, 2026, 2:36 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Investigation of Brain Plasticity in Autism Spectrum Disorders

NCT04706364
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Neuropsychological Testing, (Optional) Saliva Collection, Sensory Testing, Electroencephalogram (EEG), Transcranial Magnetic Stimulation
Behavioral · Genetic · Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 30, 2026, 2:36 PM EDT
Terminated No phase listed Observational

PRODIGY Registry in NYHA Class III Heart Failure Patients

NCT03623165
View directory record Official record
Conditions
Heart Failure NYHA Class III
Interventions
Cordella™ Heart Failure System
Device
Lead sponsor
Endotronix, Inc.
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
4
States / cities
Los Angeles, California • San Francisco, California • Lebanon, New Hampshire + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced Oct 30, 2026, 2:36 PM EDT
Terminated Phase 2 Interventional Results available

A Research Study To Assess The Effectiveness And Safety Of Different Doses Of Oral PF-00489791 In The Treatment Of Adult Patients With Pulmonary Arterial Hypertension

NCT00853112
View directory record Official record
Conditions
Hypertension, Pulmonary
Interventions
PF-00489791, placebo, sildenafil
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
8
States / cities
Phoenix, Arizona • Gainesville, Florida • Omaha, Nebraska + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2017 · Synced Oct 30, 2026, 2:36 PM EDT
Active, not recruiting Not applicable Interventional

A Physiologic Analysis of Endoscopic Sleeve Gastroplasty (ESG)

NCT04820036
View directory record Official record
Conditions
Non-alcoholic Steatohepatitis (NASH), Endoscopic Sleeve Gastroplasty, Non-alcoholic Fatty Liver Disease (NAFLD), Endoscopic Ultrasound, Liver Function, Obesity, Liver Fibroses
Interventions
Insulin Resistance, Quality of Life Assessment, Liver Function Test, Radiologic features of NASH, Serologic features of NASH
Diagnostic Test · Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 30, 2026, 2:36 PM EDT
Active, not recruiting Phase 2 Interventional

Laser Ablation of Papillary Thyroid Microcarcinoma

NCT04623801
View directory record Official record
Conditions
Papillary Thyroid Microcarcinoma, Thyroid, Thyroid Cancer
Interventions
Percutaneous Laser Ablation (PLA)
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Recruiting Not applicable Interventional

Biofield Therapy for the Support of Immunotherapy-related Symptoms Among Adult Cancer Patients - A Pilot Study

NCT07581080
View directory record Official record
Conditions
Cancer, Immunotherapy, Fatigue Related to Cancer Treatment, Pain, Stress
Interventions
Usui Reiki Intervention
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Irvine, California • Orange, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Pharmacokinetic Study of Dapivirine Gel (0.05%) Administered Rectally to HIV-1 Seronegative Adults

NCT03239483
View directory record Official record
Conditions
HIV Infections
Interventions
Dapivirine gel, Placebo gel
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 19, 2021 · Synced Oct 30, 2026, 2:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing Choice in the Employer Setting (ACES) Study

NCT00808808
View directory record Official record
Conditions
Healthy
Interventions
Choice of TIV or FluMist with baseline advertisement, Choice of TIV or FluMist with enhanced advertisement and incentives, Control - Usual care offering TIV only with baseline advertisement
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years and older
Enrollment
4,411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
47
States / cities
Chatsworth, California • Novato, California • Sacramento, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2013 · Synced Oct 30, 2026, 2:36 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Cognition and Control in Youths

NCT03393390
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder, Oppositional Defiant Disorder, Conduct Disorder
Interventions
Clinical Assessment Visit, fMRI scan
Diagnostic Test · Other
Lead sponsor
University of Michigan
Other
Eligibility
6 Years to 18 Years
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 14, 2022 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Not applicable Interventional Results available

Preventing Acute Chest Syndrome by Transfusion Feasibility Study

NCT00951808
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Single blood transfusion, Standard care
Biological · Behavioral
Lead sponsor
Carelon Research
Other
Eligibility
2 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
24
States / cities
Oakland, California • Wilmington, Delaware • Washington D.C., District of Columbia + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2013 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Me-GC: A Randomized Controlled Trial of Meditation for Genetic Counselors

NCT03723018
View directory record Official record
Conditions
Genetic Counseling Profession
Interventions
Meditation
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
605 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Oct 30, 2026, 2:36 PM EDT
Completed Not applicable Interventional Results available

Strategy to Avoid Excessive Oxygen Using an Autonomous Oxygen Titration Intervention

NCT06374225
View directory record Official record
Conditions
Critical Illness, Wounds and Injury, Disease Attributes, Pathologic Processes
Interventions
Automated Titration (O2matic)
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
4
States / cities
Aurora, Colorado • Winston-Salem, North Carolina • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 30, 2026, 2:36 PM EDT