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ClinicalTrials.gov public records Last synced Oct 31, 2026, 2:12 PM EDT

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

Showing 97–120 of 258 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observational Protocol Clear all
Completed Not applicable Interventional Results available

Oral Peanut Immunotherapy

NCT01324401
View directory record Official record
Conditions
Peanut Allergy
Interventions
Peanut flour OIT
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 21 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Oct 31, 2026, 2:12 PM EDT
Completed No phase listed Observational

Prospective Evaluation of a Commercially Available Hydrogel Spacer

NCT05323747
View directory record Official record
Conditions
Prostate Cancer
Interventions
Observation
Other
Lead sponsor
BioProtect
Industry
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Campbell, California • Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Oct 31, 2026, 2:12 PM EDT
Enrolling by invitation No phase listed Observational

Operation of Brain Stimulation Equipment Under Remote Viewing Effectiveness Registry

NCT06512324
View directory record Official record
Conditions
Major Depressive Disorder, MDD, Generalized Anxiety Disorder, GAD, Depression, Anxiety
Interventions
Ampa One TMS System
Device
Lead sponsor
Biomedical Discoveries and Neuroscientific Foundations LLC
Industry
Eligibility
12 Years and older
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Encinitas, California • Plano, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2024 · Synced Oct 31, 2026, 2:12 PM EDT
Not listed No phase listed Observational

Beat COVID-19 - Observational Trial

NCT04337762
View directory record Official record
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
Beat COVID LLC
Industry
Eligibility
18 Years to 110 Years
Enrollment
100,000 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 31, 2026, 2:12 PM EDT
Active, not recruiting No phase listed Observational

Advancing Precision Lung Cancer Surveillance and Outcomes in Diverse Populations

NCT07581379
View directory record Official record
Conditions
Lung Neoplasms, Second Primary Lung Cancer (SPLC), Non-Small Cell Lung Cancer (NSCLC), Stage I-IIIA, Lung Cancer (Diagnosis)
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
Not listed
Enrollment
1,826 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 31, 2026, 2:12 PM EDT
Completed No phase listed Observational

A Quality Initiative to Improve Glycemic Control in Diabetic and Non-Diabetic Insulin Study

NCT01916733
View directory record Official record
Conditions
Glycemic Control, Surgical Site Infections, Cardiac Complications, Length of Stay, Cost
Interventions
standard insulin protocol post-op (continuous IV insulin)
Drug
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years to 99 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 25, 2016 · Synced Oct 31, 2026, 2:12 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 31, 2026, 2:12 PM EDT
Completed No phase listed Observational Results available

NAVISTAR® THERMOCOOL® SF Catheter: Observational Study

NCT01585961
View directory record Official record
Conditions
Atrial Fibrillation, Paroxysmal Arrhythmia
Interventions
Catheter Ablation (NAVISTAR® THERMOCOOL® SF Catheter)
Device
Lead sponsor
Biosense Webster, Inc.
Industry
Eligibility
18 Years and older
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
45
States / cities
Huntsville, Alabama • Anchorage, Alaska • Phoenix, Arizona + 40 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2015 · Synced Oct 31, 2026, 2:12 PM EDT
Completed Not applicable Interventional

Does Physical Therapy Prevent Total Knee Arthroplasty in Patients With End Stage Osteoarthritis

NCT02377102
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
Physical Therapy
Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 14, 2017 · Synced Oct 31, 2026, 2:12 PM EDT
Terminated Phase 2 Interventional Results available

Cvac as Maintenance Treatment in Patients With Epithelial Ovarian Cancer in Complete Remission Following First-line Chemotherapy or Second-line Treatment

NCT01521143
View directory record Official record
Conditions
Epithelial Ovarian Cancer
Interventions
Cvac, Placebo
Biological
Lead sponsor
Prima BioMed Ltd
Industry
Eligibility
18 Years and older · Female only
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
6
States / cities
Los Angeles, California • Boynton Beach, Florida • Sarasota, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2016 · Synced Oct 31, 2026, 2:12 PM EDT
Completed No phase listed Observational Results available

Precise Measurement of Pediatric Defibrillation Thresholds

NCT01043562
View directory record Official record
Conditions
Pediatrics, Defibrillators, Implantable
Interventions
Defibrillator threshold testing, Observation of post-shock intrinsic cardiac rhythm
Diagnostic Test · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 31, 2026, 2:12 PM EDT
Terminated Phase 2 Interventional Results available

Early Methicillin-resistant Staphylococcus Aureus (MRSA) Therapy in Cystic Fibrosis (CF)

NCT01349192
View directory record Official record
Conditions
Cystic Fibrosis, Methicillin-resistant Staphylococcus Aureus
Interventions
Rifampin, Trimethoprim/Sulfamethoxazole, Minocycline, Mupirocin, chlorhexidine gluconate oral rinse, 2% Chlorhexidine solution wipes, Environmental Decontamination
Drug · Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
4 Years to 45 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
13
States / cities
Birmingham, Alabama • Aurora, Colorado • Gainesville, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 31, 2026, 2:12 PM EDT
Terminated Phase 2 Interventional Results available

Study of Adrenalectomy Versus Observation for Subclinical Hypercortisolism

NCT02001051
View directory record Official record
Conditions
Subclinical Hypercortisolism, Cushing Syndrome, Adrenal Neoplasm
Interventions
Adrenalectomy, Observation
Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Oct 31, 2026, 2:12 PM EDT
Completed No phase listed Observational

A Study on Patients With Chronic Kidney Disease (CKD) to Assess Treatment Experience and Patterns, Effect of the Treatment, Patient Outcomes and Patient Quality of Life

NCT04034992
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,052 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
11
States / cities
Riverside, California • San Francisco, California • Sanford, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2024 · Synced Oct 31, 2026, 2:12 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Relationship of TV Viewing to Energy Balance in Adults

NCT00622050
View directory record Official record
Conditions
Obesity, Overweight
Interventions
No TV viewing reduction, TV viewing reduction
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
21 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 16, 2008 · Synced Oct 31, 2026, 2:12 PM EDT
Completed No phase listed Observational

Identification of Oxygen Desaturation in Patients Admitted Following Adenotonsillectomy'

NCT06512285
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Continuous Pulse Oximetry
Diagnostic Test
Lead sponsor
Baylor College of Medicine
Other
Eligibility
1 Year and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Oct 31, 2026, 2:12 PM EDT
Withdrawn Phase 4 Interventional

Ertugliflozin Versus Hydrochlorothiazide in Reducing Sympathetic Neural Overactivity in Patients With Hypertension and Recently-diagnosed Type 2 Diabetes.

NCT03640221
View directory record Official record
Conditions
Hypertension, Diabetes Mellitus, Type 2
Interventions
Ertugliflozin, Hydrochlorothiazide 12.5mg, Microneurography, SKNA recordings, Static Handgrip, Post-handgrip forearm vascular occlusion, Testing of the Arterial Baroreflex Function
Drug · Device · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
35 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2020 · Synced Oct 31, 2026, 2:12 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Impact of Endometrial Compaction in Euploid Frozen Embryo Transfers

NCT04330066
View directory record Official record
Conditions
Infertility, Female
Interventions
Abdominal ultrasound measurement of the endometrial lining
Diagnostic Test
Lead sponsor
Boston IVF
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
187 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 31, 2026, 2:12 PM EDT
Completed Not applicable Interventional

Evaluating an Emergency Department Observation Syncope Protocol for Older Adults

NCT01003262
View directory record Official record
Conditions
Syncope
Interventions
Emergency Department Observation Protocol, Unstructured, inpatient evaluation
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
4
States / cities
Los Angeles, California • Boston, Massachusetts • Royal Oaks, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2023 · Synced Oct 31, 2026, 2:12 PM EDT
Not yet recruiting No phase listed Observational

Surgical Critical Care Initiative (SC2i) Tissue and Data Acquisition Protocol (TDAP) in Burn Patients Improving the Robustness and Generalizability of Post-burn Sepsis Prediction With the Post-Burn Sepsis Digital Twin. Group 1

NCT07249762
View directory record Official record
Conditions
Sepsis, Burn Injury, Wound Healing, Critical Illness, Multiple Organ Dysfunction Syndrome
Interventions
Observational Cohort (No Intervention)
Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Tampa, Florida • Atlanta, Georgia • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 31, 2026, 2:12 PM EDT
Recruiting No phase listed Observational

Protocol For Collecting Data On Patients With Childhood Cancer

NCT00684580
View directory record Official record
Conditions
Childhood Cancer
Interventions
Data Collection
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
30,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2045
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 31, 2026, 2:12 PM EDT
Completed Phase 1 Interventional

Effect of Amifampridine on Neuromuscular Transmission in Patients Treated With OnabotulinumtoxinA

NCT05769478
View directory record Official record
Conditions
Botulism, Iatrogenic Botulism
Interventions
Amifampridine
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 31, 2026, 2:12 PM EDT
Not listed No phase listed Observational

TruGraf® Long-term Clinical Outcomes Study

NCT04491552
View directory record Official record
Conditions
Kidney Transplant Rejection
Interventions
Patients monitored with TruGraf and TRAC testing
Diagnostic Test
Lead sponsor
Transplant Genomics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
36
States / cities
Tucson, Arizona • Fresno, California • La Jolla, California + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Oct 31, 2026, 2:12 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Covid-19 Long Haul Preventative and Health Promotion Care Clinical Trial Acceleration Program.

NCT06441955
View directory record Official record
Conditions
COVID-19, Long Haul
Interventions
Ritonavir-Boosted Nirmatrelvir (Paxlovid), Physiological Evaluation, Moderna COVID-19 Vaccine, Biopsychological, Behavioral (e.g., Psychotherapy, Lifestyle Counseling), Genetic (including gene transfer, stem cell and recombinant DNA), Multidisciplinary approach
Drug · Diagnostic Test · Biological + 3 more
Lead sponsor
Well- Konnect Healthcare Services and Research Firm
Network
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Oct 31, 2026, 2:12 PM EDT