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ClinicalTrials.gov public records Last synced Oct 17, 2026, 5:16 PM 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 33 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Methodology Study Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Learning in Traditional Versus "Flipped" Classrooms

NCT03758391
View directory record Official record
Conditions
Medical Education
Interventions
Flipped Classroom education
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Not listed
Enrollment
538 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Oct 17, 2026, 5:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Developing a COPD Case Finding Methodology for Primary Care

NCT01880177
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
40 Years and older
Enrollment
346 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
4
States / cities
Lexington, Kentucky • Ann Arbor, Michigan • Omaha, Nebraska + 1 more
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Oct 17, 2026, 5:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers Serum Collection Methodology Pilot Study

NCT01318707
View directory record Official record
Conditions
Hemophilia A
Interventions
Not listed
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jul 24, 2012 · Synced Oct 17, 2026, 5:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Aricept on Biomarkers (Acetylcholine, sAPP Alpha) In Cerebrospinal Fluid

NCT00987220
View directory record Official record
Conditions
Alzheimer's Disease, Dementia
Interventions
Placebo, donepezil (Aricept)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 14, 2011 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Early Phase 1 Interventional

A Methodology Trial Using the VR647 Inhalation System in Pediatric Subjects Who Have Previously Received Inhaled Therapy

NCT04011709
View directory record Official record
Conditions
Cough, Wheezing
Interventions
VR647 Inhalation System + VR647 Smart Card 3 Secs, VR647 Inhalation System + VR647 Smart Card 2 Secs, VR647 Inhalation System + VR647 Smart Card 4 Secs
Combination Product
Lead sponsor
Vectura Limited
Industry
Eligibility
1 Year to 5 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Mission Viejo, California • Plymouth, Minnesota • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2019 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Phlebotomy Study of Testosterone Undecanoate

NCT02670343
View directory record Official record
Conditions
Hypogonadism
Interventions
Oral Testosterone Undecanoate
Drug
Lead sponsor
Clarus Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2018 · Synced Oct 17, 2026, 5:16 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

A Phase 1b/2, Multicenter, Open-label Study of ACP-196 in Subjects With Recurrent Glioblastoma Multiforme (GBM)

NCT02586857
View directory record Official record
Conditions
Glioblastoma Multiforme
Interventions
ACP-196
Drug
Lead sponsor
Acerta Pharma BV
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
7
States / cities
Los Angeles, California • Palo Alto, California • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 17, 2026, 5:16 PM EDT
Terminated No phase listed Observational

A Methodology Study To Look At Genes In Lung Cells And Tissue From Asthmatic Patients

NCT00331292
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 16, 2008 · Synced Oct 17, 2026, 5:16 PM EDT
Recruiting Not applicable Interventional

Optimizing Research With Diverse Families - Feasibility and Acceptability Study (FAST)

NCT06133231
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder, Emotional Dysfunction, Irritable Mood
Interventions
Multinutrients; a 36-ingredient blend of vitamins, minerals, amino acids, and antioxidants
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
6 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Not applicable Interventional Results available

Study of Count Coughs in Subjects With Acute Upper Respiratory Tract Infections

NCT01062256
View directory record Official record
Conditions
Infection
Interventions
Placebo, Guaifenesin, Buckwheat Honey
Drug · Other
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
2
States / cities
Indianapolis, Indiana • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 25, 2013 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Not applicable Interventional

Study for Evaluating Different Methods of Measuring Depression Treatment Response

NCT00406952
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
electronic diary, Sertraline, Placebo, voice acoustics
Procedure · Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
12
States / cities
Norwich, Connecticut • Aventura, Florida • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2008 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Not applicable Interventional

Hypofractionated Preoperative Radiation for Head and Neck Cancers (HyPR-HN)

NCT05538533
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
46 Gy Radiation Therapy, 40 Gy Radiation Therapy, 35 Gy Radiation Therapy
Radiation
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Phase 1 Interventional Results available

Methodology Study To Examine 6-Week Food Intake With Liraglutide In Obese Subjects

NCT03041792
View directory record Official record
Conditions
Obesity
Interventions
Liraglutide, Placebo
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jul 26, 2019 · Synced Oct 17, 2026, 5:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Methods Study to Evaluate Use of Cardiac Ultrasound to Assess Heart Valve Abnormality in People.

NCT00359489
View directory record Official record
Conditions
Heart Valve Diseases
Interventions
cardiac echosonography
Device
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 17, 2007 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Investigate a Method to Measure Food Occlusion by Denture Adhesives in Denture Wearers

NCT03345108
View directory record Official record
Conditions
Denture Retention
Interventions
Denture Adhesive Cream (Conventional Application), Denture Adhesive (Continuous Strip Application), No Adhesive
Device · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Fort Wayne, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 29, 2019 · Synced Oct 17, 2026, 5:16 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

PET-MRI for Functional Imaging of the Testis: A Feasibility Study

NCT02669108
View directory record Official record
Conditions
Infertility, Non-obstructive Azoospermia, Vasectomy
Interventions
PET/ MRI of the Testis
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Oct 17, 2026, 5:16 PM EDT
Completed No phase listed Observational

Methodology Study of Novel Outcome Measures to Assess Progression of ALS

NCT02611674
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Not listed
Lead sponsor
Biogen
Industry
Eligibility
16 Years to 85 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
8
States / cities
San Diego, California • San Francisco, California • Tampa, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2019 · Synced Oct 17, 2026, 5:16 PM EDT
Terminated Not applicable Interventional Results available

Stem Cell Transplantation for Children Affected With Osteopetrosis

NCT00145587
View directory record Official record
Conditions
Osteopetrosis
Interventions
Stem Cell Transplantation, Miltenyi Biotec CliniMACS, Systemic chemotherapy and antibodies
Procedure · Device · Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Pharmacodynamic Effects of Single Oral Doses of PF-06648671 on β-Amyloid (Aβ) Concentrations in Cerebrospinal Fluid (CSF)

NCT02407353
View directory record Official record
Conditions
Healthy Subjects
Interventions
PF-06648671, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Glendale, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2016 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Phase 1 Interventional

A Pilot Study of Methodology to Rapidly Evaluate Drugs for Bactericidal Activity, Tolerance, and Pharmacokinetics in the Treatment of Pulmonary Tuberculosis Using Isoniazid and Levofloxacin

NCT00000778
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Isoniazid, Pyridoxine hydrochloride, Levofloxacin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Torrance, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2008 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

GI Interlab 2 Study: Measuring the Glycaemic Index (GI) of Foods

NCT00260858
View directory record Official record
Conditions
Healthy
Interventions
Test Meal: Reference food (glucose or white bread), Test Meal: Pirate's Booty, Test Meal: Ceaprove wafer, Test Meal: Stretch Island Strawberry Fruit Leather
Drug
Lead sponsor
Glycaemic Index Testing, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
3
States / cities
Gainsville, Florida • Buffalo, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 9, 2006 · Synced Oct 17, 2026, 5:16 PM EDT
Completed No phase listed Observational

Assessing Treatment Emergent Suicidal Ideation in Patients With Major Depression

NCT00532103
View directory record Official record
Conditions
Depression
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
15
States / cities
Tuscaloosa, Alabama • Harbor City, California • Los Angeles, California + 12 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2008 · Synced Oct 17, 2026, 5:16 PM EDT
Terminated Not applicable Interventional Results available

Acute Effects Of Donepezil On Brain Perfusion And Memory In Subjects With Cognitive Impairment And Mild Alzheimer's Disease

NCT01082965
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Donepezil, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
8
States / cities
San Francisco, California • Baltimore, Maryland • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2013 · Synced Oct 17, 2026, 5:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect Of Treatment With Oral Zolpidem On Polysomnography And Actigraphy Measures In Healthy Volunteers

NCT00716521
View directory record Official record
Conditions
Methodology Study
Interventions
placebo, zolpidem
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 24, 2009 · Synced Oct 17, 2026, 5:16 PM EDT