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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:27 AM EDT

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Showing 1–24 of 70 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Radiotracer Clear all
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

A Radiotracer ([18F]FluorThanatrace) by PET/CT for the Imaging of Breast Cancer

NCT05226663
View directory record Official record
Conditions
Breast Carcinoma
Interventions
Computed Tomography, Fluorine F 18 Fluorthanatrace, Positron Emission Tomography
Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
3
States / cities
St Louis, Missouri • Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Positron Emission Tomography (PET) Imaging of Cholesterol Trafficking: Clinical Evaluation of [18F]FNP-59 in Normal Human Subjects (Group 1)

NCT04532489
View directory record Official record
Conditions
Radiotracer, Hypertension, Cholesterol
Interventions
FNP-59
Drug
Lead sponsor
Benjamin Viglianti
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determining Lipid Content in Stool After Alpha-cyclodextrin

NCT03002168
View directory record Official record
Conditions
Healthy Participants
Interventions
Alpha-cyclodextrin, Placebo, Triolein radiolabeled with 100 microcuries of 3^Hydrogen, Tripalmitin radiolabeled with 20 microcuries of 14^Carbon
Dietary Supplement · Radiation
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Phase 1 Interventional

Study of 18F-DCFPyL, a Second Generation Low-molecular Weight PSMA-based PET Radiotracer, in Patients With Prostate Cancer

NCT02151760
View directory record Official record
Conditions
Metastatic Prostate Cancer
Interventions
18F-DCFPyL
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 7, 2020 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Radiolabel ADME (Absorption, Distribution, Metabolism, and Excretion) Study Of [14C] PF-00868554 In Healthy Adult Male Subjects

NCT00823745
View directory record Official record
Conditions
HCV
Interventions
[14C]-PF-00868554
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Mar 9, 2009 · Synced Oct 21, 2026, 10:27 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluation of a Novel Positron Emission Tomography (PET Radiotracer for TARP Gamma-8

NCT02108015
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Brain Imaging (PET), Aterial Line, Blood Sampling
Procedure
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Human Proof of Concept Study for [11C]-RO5011232 as Radiotracer and Study of the Binding of RO4917523 to Human mGlu5 Brain Receptor at Steady-State in Healthy Volunteers

NCT01483469
View directory record Official record
Conditions
Healthy Volunteer
Interventions
RO4917523, RO5011232
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Positron Emission Tomography Occupancy Study Using Ligand [11C]AS2471907 and Following Oral Dosing of ASP3662

NCT02194491
View directory record Official record
Conditions
Pharmacokinetics of ASP3662, Displacement of Radiotracer, Healthy Volunteers
Interventions
[11C]AS2471907, Positron Emission Tomography (PET), ASP3662
Other · Radiation · Drug
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Phase 2 Interventional Results available

FET-PET for Evaluation of Response of Recurrent GBM to Avastin

NCT01756352
View directory record Official record
Conditions
Glioblastoma Multiforme, GBM
Interventions
18F-FET
Drug
Lead sponsor
Marcelo F. Di Carli, MD, FACC
Other
Eligibility
18 Years to 85 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2019 · Synced Oct 21, 2026, 10:27 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Imaging Phosphodiesterase 4B (PDE4B) in People With Psychiatric Disorders With Positron Emission Tomography (PET) and the Radiotracer [18F]PF974

NCT07488819
View directory record Official record
Conditions
Post-Traumatic Stress Disorder, PTSD, Alcohol Use Disorder (AUD)
Interventions
PF974
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2032
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Early Phase 1 Interventional

Preliminary Evaluation of Uptake in Bone Metastases and Biodistribution of [68Ga]P15-041

NCT02826382
View directory record Official record
Conditions
Prostate Cancer, Bone Metastases
Interventions
[68Ga]P15-041
Drug
Lead sponsor
Five Eleven Pharma, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Oct 21, 2026, 10:27 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Defining Recurrent Disease With Axumin™

NCT03996993
View directory record Official record
Conditions
Prostate Cancer, Prostate Adenocarcinoma
Interventions
Casodex, Axumin, Salvage Radiation, Axumin
Drug · Radiation
Lead sponsor
Cancer Center of Irvine
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 21, 2026, 10:27 AM EDT
Recruiting Phase 2 Interventional

Characterization of 18F-Fluciclovine PET Amino Acid Radiotracer in Resected Brain Metastasis

NCT05554302
View directory record Official record
Conditions
Brain Metastases, Brain Cancer
Interventions
18F-Fluciclovine
Drug
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Oct 21, 2026, 10:27 AM EDT
Recruiting Phase 1Phase 2 Interventional

64Cu-GRIP B in Patients With Advanced Malignancies

NCT05888532
View directory record Official record
Conditions
Prostate Cancer, Renal Cancer, Urethral Cancer, Advanced Solid Tumor, Metastatic Castration-resistant Prostate Cancer, Solid Tumor, Adult
Interventions
Copper-64 labeled Granzyme B (64Cu-GRIP B), Positron Emission Tomography (PET)
Drug · Procedure
Lead sponsor
Rahul Aggarwal
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Fatty Acid Radiotracer Comparison Study in Heart Failure Patients

NCT01648296
View directory record Official record
Conditions
Heart Failure, Obesity, Type 2 Diabetes Mellitus, Health Normal Volunteer Subjects
Interventions
[18F]FluorbetaOx
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Oct 21, 2026, 10:27 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Evaluation of [18F]GATT-44 for Positron Emission Tomography Imaging of the GABA Transporter-1

NCT07457736
View directory record Official record
Conditions
Healthy Adult Participants
Interventions
[ 18F]GATT-44
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Not yet recruiting Phase 1 Interventional

64Cu-GRIP B in Patients With Acute Myocarditis

NCT07481136
View directory record Official record
Conditions
Acute Myocarditis
Interventions
64Cu-GRIP B is a radiolabeled peptide tracer, a copper-64 isotope bound to a peptide designed to target extracellular Granzyme B
Drug
Lead sponsor
Javid Moslehi, MD
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Completed No phase listed Observational

PET Imaging of Nicotinic Acetylcholine Receptors

NCT01046513
View directory record Official record
Conditions
Healthy Volunteers, Nicotine Dependence, Pharmacokinetics
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 10:27 AM EDT
Active, not recruiting Phase 1 Interventional

Phase I Pilot Study of Biodistribution, Metabolism and Excretion of Novel Radiotracer [18F]Fluorthanatrace (FTT) by PET/CT

NCT02637934
View directory record Official record
Conditions
Suspected Epithelial Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
Interventions
[18F]FluorThanatrace, PET/CT imaging sessions
Drug · Radiation
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Ultralow Dose PET Imaging of SSTR2 Radiotracer Uptake

NCT07284589
View directory record Official record
Conditions
Healthy (Controls), Healthy Volunteers, Neuroendocrine (NE) Tumors
Interventions
68Ga-Dotatate
Drug
Lead sponsor
Akiva Mintz
Other
Eligibility
18 Years to 120 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Englewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

A Study of the Pharmacokinetics, Biodistribution and Dosimetry of Granzyme-B Targeted [Cu-64]-Labeled PET Radiotracers in Adult Healthy Volunteers

NCT07774650
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Granzyme-B targeted [64Cu]-labeled PET radiotracer
Drug
Lead sponsor
Ratio Therapeutics, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Active, not recruiting Not applicable Interventional

Using Advanced Imaging Studies to Develop a Profile of High-grade Serous Ovarian Cancer

NCT04454450
View directory record Official record
Conditions
Ovarian Cancer, High Grade Ovarian Serous
Interventions
PET/MRI, Contrast enhanced CT
Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single-dose Study of [14C]Lorlatinib (PF-06463922) Metabolism In Healthy Male Volunteers

NCT03184168
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[14C]lorlatinib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 21, 2026, 10:27 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Understand How Radiolabelled PF-04449913 Is Taken Up By The Body, Broken Down And Then Removed From The Body

NCT02110342
View directory record Official record
Conditions
Healthy
Interventions
[14C] PF-04449913
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 22, 2014 · Synced Oct 21, 2026, 10:27 AM EDT