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Showing 1–24 of 209 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Plasma Sample Clear all
Not listed No phase listed Observational

Biomarkers of Independent Walking Post-Stroke

NCT05004389
View directory record Official record
Conditions
Stroke, Acute, Gait, Hemiplegic
Interventions
MRI, blood draw, Clinical assessments
Diagnostic Test · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Sep 4, 2026, 9:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interactions of Human Gut Microbiota With Intestinal Sweet Taste Receptors

NCT03032640
View directory record Official record
Conditions
Obesity
Interventions
Oral Glucose Tolerance Test (OGTT), Assessment of dietary compliance, Stool sampling, Sodium Saccharin, Placebo, Lactisole
Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Sep 4, 2026, 9:30 AM EDT
Active, not recruiting No phase listed Observational

Detection of Plasma DNA Methylation in Peripheral Blood From Patients With Resectable Liver Cancer

NCT04856046
View directory record Official record
Conditions
Resectable Hepatocellular Carcinoma
Interventions
Biospecimen Collection, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Not listed No phase listed Observational

TR(ACE) Assay Clinical Specimen Study

NCT02934360
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung, Breast Neoplasms
Interventions
TR(ACE) Assay Testing
Device
Lead sponsor
Biological Dynamics
Industry
Eligibility
21 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
16
States / cities
Encinitas, California • Oceanside, California • Santa Monica, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational

Aldosterone Renin Ratio (ARR) Test to Increase Case-detection of Primary Aldosteronism (PA)

NCT05757076
View directory record Official record
Conditions
Primary Aldosteronism
Interventions
Blood test for ARR
Procedure
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Timeline
2023 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Training in Manual Preparation of Platelet Rich Plasma

NCT01553955
View directory record Official record
Conditions
Platelet Rich Plasma Production
Interventions
Venipuncture
Procedure
Lead sponsor
Peterson, Noel, N.D.
Individual
Eligibility
21 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lake Oswego, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 23, 2013 · Synced Sep 4, 2026, 9:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effect of Platelet Rich Plasma (PRP) on Post Operative Pain in Anterior Cruciate Ligament Reconstruction

NCT01765712
View directory record Official record
Conditions
Post Operative Pain
Interventions
Anterior Cruciate ligament reconstruction bone patellar tendon bone autograft, Platelet Rich Plasma
Procedure · Biological
Lead sponsor
Brian Walters
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Sep 4, 2026, 9:30 AM EDT
Completed Phase 2 Interventional Results available

Bevacizumab and Sorafenib in Treating Patients With Recurrent Glioblastoma Multiforme

NCT00621686
View directory record Official record
Conditions
Brain and Central Nervous System Tumors
Interventions
bevacizumab, sorafenib tosylate
Biological · Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
204
States / cities
Scottsdale, Arizona • Fresno, California • Fort Collins, Colorado + 129 more
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Sep 4, 2026, 9:30 AM EDT
Recruiting No phase listed Observational

EXploring Inflammation and Social deTerminants Study in Breast Cancer Patients

NCT07478016
View directory record Official record
Conditions
Breast Cancer, Ductal Carcinoma In Situ
Interventions
Survey Assessments, Diet Recall, Blood Biomarker Collection
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Dietary Amino Acid Profile on Lipoprotein Metabolism, Vascular Reactivity and Inflammatory Markers

NCT00175084
View directory record Official record
Conditions
Hyperlipidemias, Metabolic Syndrome X, Cardiovascular Diseases
Interventions
Comparison of dietary protein amino acid profile
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Sep 4, 2026, 9:30 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability

NCT07564648
View directory record Official record
Conditions
Cigarette Addiction, Tobacco Use Disorder
Interventions
Biospecimen Collection, Questionnaire Administration, Cigarette Purchase Task, Cross-Price Elasticity Task, Daily Diary Surveys, Progressive Ratio Task
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The HIV, Adipose Tissue Immunology, and Metabolism Study

NCT04451980
View directory record Official record
Conditions
Hiv, Diabetes Mellitus, Type 2
Interventions
Subcutaneous adipose tissue biopsy, CT scan, Oral glucose tolerance test, Blood collection
Procedure · Radiation · Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational

Determinants of Age-Related Treatment Effectiveness in Ovarian Cancer

NCT02973750
View directory record Official record
Conditions
Ovarian Cancer, Fallopian Tube Cancer, Peritoneal Cancer, Ovarian Diseases, Fallopian Tube Diseases, Peritoneal Diseases
Interventions
Baseline Biopsy, Tissue Collection, Blood Draws
Procedure
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational

Assessment of Minimal Residual Disease (MRD) After Antineoplastic Treatment in Patients With AL Amyloidosis

NCT02716103
View directory record Official record
Conditions
Amyloidosis
Interventions
blood collection, bone marrow collection
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 9, 2021 · Synced Sep 4, 2026, 9:30 AM EDT
Recruiting Phase 3 Interventional

Comparing Cooling and/or Compression Approaches of Limbs for Prevention of Chemotherapy-Induced Peripheral Neuropathy

NCT05642611
View directory record Official record
Conditions
Malignant Solid Neoplasm
Interventions
Biospecimen Collection, Cryocompression Therapy, Pneumatic Compression Therapy, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
777 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2031
U.S. locations
36
States / cities
Birmingham, Alabama • Martinez, California • Fairfield, Connecticut + 32 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cancer DNA Detection in Blood and Urine

NCT02657863
View directory record Official record
Conditions
Prostate Cancer
Interventions
Urine collection and blood draw
Procedure
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 22, 2025 · Synced Sep 4, 2026, 9:30 AM EDT
Withdrawn No phase listed Observational

Trial of Prostate Cancer Patients Undergoing Active Surveillance With or Without MRI-Guided Management

NCT01838265
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma
Interventions
Transrectal Ultrasound-Guided Biopsy, MRI Ultrasound Biopsy, Expanded Prostate Cancer index Composite Questionnaire, Short-Form 12 of Health Related Quality of Life Questionnaire, Memorial Anxiety Scale for Prostate Cancer, Plasma/Serum Sample for biomarkers, Urine Sample for Biomarkers, Blood Tests for Blood Urea Nitrogen and Creatinine, Blood Test for Serum PSA
Procedure · Behavioral
Lead sponsor
University of Miami
Other
Eligibility
35 Years to 75 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 7, 2014 · Synced Sep 4, 2026, 9:30 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Gut Microbiome Studies in Patients With POEMS Syndrome and Other Plasma Cell Disorders

NCT06252948
View directory record Official record
Conditions
Plasma Cell Disorders
Interventions
Non-interventional study (observational)
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Active, not recruiting No phase listed Observational

Alpha-1 Antitrypsin Deficiency Adult Liver Study

NCT02014415
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency
Interventions
Liver Biopsy (Biopsy Group Only)
Procedure
Lead sponsor
St. Louis University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
3
States / cities
San Diego, California • Boston, Massachusetts • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational

PKUDOS: Phenylketonuria (PKU) Demographic, Outcomes, and Safety Registry

NCT00778206
View directory record Official record
Conditions
Phenylketonuria, Hyperphenylalaninaemia
Interventions
Kuvan
Drug
Lead sponsor
BioMarin Pharmaceutical
Industry
Eligibility
Not listed
Enrollment
1,887 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2021
U.S. locations
45
States / cities
Los Angeles, California • Orange, California • San Diego, California + 38 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2022 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational

Platelets in Pregnancy

NCT06194643
View directory record Official record
Conditions
Hypertensive Disorder of Pregnancy
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
66 participants
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 4, 2026, 9:30 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Pilot Haskap Metabolite Timing Project

NCT06938386
View directory record Official record
Conditions
Microbial Colonization, Metabolic Disease, Digestion
Interventions
Haskap
Dietary Supplement
Lead sponsor
Montana State University
Other
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Sep 4, 2026, 9:30 AM EDT
Completed No phase listed Observational

Prostate Biomarker Study

NCT00574899
View directory record Official record
Conditions
Prostate Cancer
Interventions
Questioners, blood specimens, prostate tissue specimens
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
35 Years and older · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Los Angeles, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Sep 4, 2026, 9:30 AM EDT
Completed Phase 4 Interventional

MP Diagnostics HTLV Blot 2.4 Post-Market Clinical Study

NCT03226119
View directory record Official record
Conditions
HTLV-I Infections, HTLV-II Infections, Human T-lymphotropic Virus 1, Human T-lymphotropic Virus 2, HTLV I Associated T Cell Leukemia Lymphoma, HTLV I Associated Myelopathies
Interventions
MP Diagnostics HTLV Blot 2.4
Diagnostic Test
Lead sponsor
MP Biomedicals, LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • San Antonio, Texas • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Sep 4, 2026, 9:30 AM EDT