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ClinicalTrials.gov public records Last synced Oct 23, 2026, 4:28 AM EDT

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Showing 1–24 of 74 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Plasma/Urine Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetic Drug-Drug Interaction Study to Identify Biomarkers of Kidney Transporters

NCT05365451
View directory record Official record
Conditions
Interaction, Endogenous Biomarkers
Interventions
MetFORMIN Oral Solution, Cimetidine 400 MG, Furosemide Oral Liquid Product, Probenecid 500 MG
Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Aug 8, 2025 · Synced Oct 23, 2026, 4:28 AM EDT
Recruiting No phase listed Observational

Blood and Urine HPVDNA as Minimally Invasive Biomarkers for Cervical Cancer Detection and Surveillance Following Treatment

NCT04743674
View directory record Official record
Conditions
Cervical Cancer
Interventions
Not listed
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 23, 2026, 4:28 AM EDT
Completed No phase listed Observational Results available

Evaluation of Long-term Buprenorphine Plasma Exposure

NCT03752528
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Blood sample collection, Urine sample collection
Diagnostic Test
Lead sponsor
Indivior Inc.
Industry
Eligibility
Not listed
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
11
States / cities
Hamilton, Alabama • Tampa, Florida • Prairie Village, Kansas + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2020 · Synced Oct 23, 2026, 4:28 AM EDT
Completed No phase listed Observational

Proximal Molecular Effects of Concurrent Chemoradiotherapy on Head and Neck Squamous Cell Carcinoma

NCT00620139
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma
Interventions
the arachidonic acid and EGFR signaling pathways and their interaction in HNSCC tumorigenesis,
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 24, 2013 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Phase 2 Interventional Results available

Docetaxel, Thalidomide, Prednisone, and Bevacizumab to Treat Metastatic Prostate Cancer

NCT00089609
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Docetaxel, Thalidomide, Prednisone, bevacizumab, polymorphism analysis, immunoenzyme technique, laboratory biomarker analysis, pharmacological study
Drug · Biological · Genetic + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 20, 2018 · Synced Oct 23, 2026, 4:28 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influence of OCTN2 Variants on Carnitine Status and Plasma Triglycerides

NCT00187733
View directory record Official record
Conditions
Carnitine Transporter Deficiency
Interventions
Fasting blood and urine collection
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2012 · Synced Oct 23, 2026, 4:28 AM EDT
Completed No phase listed Observational

MOM NEST Study: Maternal Opioid Medication: Naltrexone Efficacy Study

NCT03718104
View directory record Official record
Conditions
Opioid-use Disorder, Neonatal Abstinence Syndrome, Pregnancy, High Risk, Alcohol Use Disorder
Interventions
Pharmacokinetic analysis, Safety and Efficacy, Genetic and epigenetic analysis, Breast milk analysis
Other · Genetic
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • Carrboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Oct 23, 2026, 4:28 AM EDT
Recruiting Not applicable Interventional

Effect of Giving Reduced Fluid in Children After Trauma

NCT04201704
View directory record Official record
Conditions
Critical Illness, Pediatrics, General Surgery, Fluid Therapy, Wounds and Injuries
Interventions
Balanced crystalloid solution volume administration, Packed Erythrocytes Units, Blood Product Unit volume, Plasma volume, Platelets volume
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 15 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
4
States / cities
Buffalo, New York • New York, New York • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 23, 2026, 4:28 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Evaluating a Potential Pharmacokinetic Kratom-oxycodone Interaction Concurrent With Clinical Endpoints

NCT05846451
View directory record Official record
Conditions
Herbal Interaction
Interventions
Kratom, Oxycodone
Dietary Supplement · Drug
Lead sponsor
Washington State University
Other
Eligibility
21 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 23, 2026, 4:28 AM EDT
Recruiting Phase 2 Interventional

Therapeutic Plasma Exchange With Enfortumab Vedotin and Pembrolizumab for Treatment of Bladder Cancers

NCT07087860
View directory record Official record
Conditions
Metastatic Bladder Urothelial Carcinoma, Metastatic Renal Pelvis and Ureter Urothelial Carcinoma, Refractory Bladder Urothelial Carcinoma, Refractory Renal Pelvis and Ureter Urothelial Carcinoma, Stage IV Bladder Cancer AJCC v7, Stage IV Renal Pelvis and Ureter Cancer AJCC v7
Interventions
Best Practice, Biospecimen Collection, Central Venous Cannula Insertion, Computed Tomography, Enfortumab Vedotin, Magnetic Resonance Imaging, Pembrolizumab, Plasmapheresis, Positron Emission Tomography, Questionnaire Administration, Antibody-Drug Conjugate Therapy
Other · Procedure · Drug + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Not applicable Interventional

A One Visit Follow Up of Adults With Fabry Disease Who Started Long-term Enzyme Replacement Therapy As Children

NCT04002531
View directory record Official record
Conditions
Quality of Life, Renal Insufficiency, Cardiac Event
Interventions
General and Neurological examination, Vital signs, 12 lead electrocardiogram, Echocardiogram, Blood draw, Urine collection, 2-hour Holter Monitor, Brief Pain Inventory questionnaire, Quality of Life questionnaire
Other · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 23, 2026, 4:28 AM EDT
Completed No phase listed Observational

Metabolomics for Biomarker Discovery in Children With EoE

NCT03107819
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Plasma and urine metabolomics
Diagnostic Test
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
2 Years to 18 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Development of a Urine-Based Point-of-Care Test for Adherence to Antiretroviral Drugs

NCT04302896
View directory record Official record
Conditions
Medication Adherence, HIV
Interventions
dolutegravir oral tablet 50mg, emtricitabine/tenofovir alafenamide oral tablet 200mg/25mg, tenofovir disoproxil fumarate oral tablet 300mg, lamivudine oral tablet 300mg
Drug
Lead sponsor
Rhonda Brand
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 3, 2022 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Amino Acid/Electrolyte-based Beverages on Hydration Status

NCT03559101
View directory record Official record
Conditions
Dehydration
Interventions
Distilled water, Medical Food 1, Medical Food 2, Pedialyte, Gatorade
Other
Lead sponsor
W. Larry Kenney
Other
Eligibility
18 Years to 90 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 15, 2018 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Not applicable Interventional

Aerobic Exercise, Resistance Exercise, or Flexibility and Relaxation Training in Inactive Older Female Breast Cancer Survivors

NCT00662103
View directory record Official record
Conditions
Breast Cancer, Cancer Survivor, Fatigue, Long-term Effects Secondary to Cancer Therapy in Adults, Psychosocial Effects of Cancer and Its Treatment
Interventions
exercise intervention, laboratory biomarker analysis, questionnaire administration, survey administration, assessment of therapy complications, fatigue assessment and management, management of therapy complications, psychosocial assessment and care
Behavioral · Other · Procedure
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
65 Years to 120 Years · Female only
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 15, 2015 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Early Phase 1 Interventional Results available

Clinical Evaluation of the Pharmacokinetic Goldenseal-Metformin Interaction in Diabetic Patients

NCT05081583
View directory record Official record
Conditions
Interaction, Adverse Herb-Drug, Diabetes Mellitus, Type 2
Interventions
Midazolam Hcl 1Mg/Ml Inj, Goldenseal (Hydrastis canadensis)
Drug · Dietary Supplement
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 23, 2026, 4:28 AM EDT
Not yet recruiting Not applicable Interventional

Supporting Health and Empowerment Through Contingency Management and Affect Regulation

NCT07792161
View directory record Official record
Conditions
HIV Risk
Interventions
urine-based self-test, urine-based clinic test
Diagnostic Test
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Lofexidine ADME & Mass Balance in Volunteers

NCT01310296
View directory record Official record
Conditions
Normal Healthy Volunteers Will be Treated With Lofexidine to Understand the Absolute Bioavailability and Mass Balance Recovery of the Product
Interventions
Lofexidine hydrochloride
Drug
Lead sponsor
USWM, LLC (dba US WorldMeds)
Industry
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 23, 2026, 4:28 AM EDT
Terminated Not applicable Interventional Results available

Young Blind Child Melatonin Treatment Study

NCT00688935
View directory record Official record
Conditions
Blindness
Interventions
Melatonin
Biological
Lead sponsor
Oregon Health and Science University
Other
Eligibility
1 Year to 20 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 27, 2019 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Phase 1 Interventional

The Body's Affect on Vitamin C

NCT00001309
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Vitamin C
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 35 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 23, 2026, 4:28 AM EDT
Completed Phase 1 Interventional

Effects of Niacin On Fatty Acid Trapping

NCT01984073
View directory record Official record
Conditions
Dyslipidemia
Interventions
ER Niacin Oral Fat Challenge, IR Niacin Oral Fat Challenge, Placebo Oral Fat Challenge
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
22 Years to 75 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2020 · Synced Oct 23, 2026, 4:28 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Pediatric Vasculitis Initiative

NCT02006134
View directory record Official record
Conditions
Wegeners Granulomatosis (Granulomatosis With Polyangiitis), Microscopic Polyangiitis, Eosinophilic Granulomatosis With Polyangiitis, Polyarteritis Nodosa, Takayasu Arteritis, Primary CNS Vasculitis, Unclassified Vasculitis
Interventions
Not listed
Lead sponsor
University of British Columbia
Other
Eligibility
Up to 20 Years
Enrollment
1,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2025
U.S. locations
10
States / cities
San Francisco, California • Gainesville, Florida • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 23, 2026, 4:28 AM EDT
Not listed No phase listed Observational

The Predictive Capacity of Machine Learning Models for Progressive Kidney Disease in Individuals With Sickle Cell Anemia

NCT05214105
View directory record Official record
Conditions
Sickle Cell Disease, Kidney Diseases, Chronic
Interventions
Biospecimen/DNA collection and analysis
Other
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Chicago, Illinois • Winston-Salem, North Carolina • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Oct 23, 2026, 4:28 AM EDT
Recruiting Not applicable Interventional

Molecular Imaging of Primary Amyloid Cardiomyopathy

NCT02641145
View directory record Official record
Conditions
Amyloidosis, Primary, Cardiomyopathy
Interventions
F-18 florbetapir/C-11 acetate PET, MRI, N-13 ammonia PET
Radiation · Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 99 Years
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 23, 2026, 4:28 AM EDT