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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Radiotracer Clear all
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 8, 2009 · Synced Sep 26, 2026, 5:52 PM 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 27, 2016 · Synced Sep 26, 2026, 5:52 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Novel Positron Emission Tomography (PET) Radiotracer to Image Phosphodiesterase-4B (PDE4B)

NCT03030391
View directory record Official record
Conditions
Healthy
Interventions
PET, MRI
Other
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 26, 2026, 5:52 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

PET Imaging Study of 64Cu-GRIP B for Patients Receiving CD19-directed CAR-T Therapy

NCT06522932
View directory record Official record
Conditions
Non Hodgkin Lymphoma
Interventions
64Cu-GRIP B, Positron Emission Tomography (PET), Optional tumor biopsy
Drug · Procedure
Lead sponsor
Michael Randall
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 28, 2025 · Synced Sep 26, 2026, 5:52 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

A Recovery and Lifespan Study Using INTERCEPT Red Blood Cells Prepared Using the INTERCEPT Blood System for RBCs With AS-1

NCT07015437
View directory record Official record
Conditions
Healthy Subjects
Interventions
INTERCEPT Blood System for RBCs, Infusion of autologous radiolabeled RBCs
Device · Other
Lead sponsor
Cerus Corporation
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Cincinnati, Ohio • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 26, 2026, 5:52 PM 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 Aug 31, 2026 · Synced Sep 26, 2026, 5:52 PM 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 1, 2026 · Synced Sep 26, 2026, 5:52 PM 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 19, 2026 · Synced Sep 26, 2026, 5:52 PM 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 7, 2026 · Synced Sep 26, 2026, 5:52 PM 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 16, 2017 · Synced Sep 26, 2026, 5:52 PM EDT
Terminated Phase 2 Interventional Results available

18F-DCFPyL PET/CT in Hepatocellular Carcinoma

NCT05009979
View directory record Official record
Conditions
Hepatocellular Carcinoma
Interventions
F18-FDG, MRI, CT, F18-DCFPyL, Tumor biopsy
Drug · Device · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Sep 26, 2026, 5:52 PM EDT
Recruiting Phase 1 Interventional

Serial Imaging of the Novel Radiotracer [^18F] FLuorthanatrace ([^18F] FTT) by PET/CTF

NCT03604315
View directory record Official record
Conditions
Breast Carcinoma, Fallopian Tube Carcinoma, Ovarian Carcinoma, Primary Peritoneal Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma, Solid Neoplasm
Interventions
Computed Tomography, Fludeoxyglucose F-18, Fluorine F 18 Fluorthanatrace, Positron Emission Tomography
Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 26, 2026, 5:52 PM 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 29, 2019 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1 Interventional

Evaluation of a Transrectal Scintigraphic Detector(ProxiScanTM) for Detection of Primary Prostate Cancer

NCT01359189
View directory record Official record
Conditions
Suspected Primary Prostate Cancer
Interventions
ProxiScan (scintigraphic rectal probe)
Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 1, 2016 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1 Interventional

Evaluation Comparing Tau PET Radiotracers, [18F]GTP1 and [18F]PI-2620 or [18F]MK-6240 in Subjects With Normal Cognition or Prodromal to Moderate Alzheimer's Disease

NCT04566003
View directory record Official record
Conditions
Alzheimer Disease (AD)
Interventions
[18F]GTP1, [18F]PI-2620, [18F]MK-6240
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Sep 26, 2026, 5:52 PM 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 1, 2017 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Recovery, Excretion, and Pharmacokinetics of 14C -GSK1322322 After an Intravenous and an Oral Dose

NCT01663389
View directory record Official record
Conditions
Infections, Bacterial
Interventions
GSK1322322 1000 mg containing radioactive 14C-GSK1322322, GSK1322322 1200 mg containing radioactive 14C-GSK1322322
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
30 Years to 55 Years · Male only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Sep 26, 2026, 5:52 PM 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 11, 2023 · Synced Sep 26, 2026, 5:52 PM 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 23, 2020 · Synced Sep 26, 2026, 5:52 PM 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 (Groups 2, 3 & 4)

NCT04546126
View directory record Official record
Conditions
Radiotracer, Hypertension, Cholesterol
Interventions
Dexamethasone (Group 2), Cosyntropin (Group 3), PET/CT Scan with FNP-59
Drug · Combination Product
Lead sponsor
Benjamin Viglianti
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan • Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1 Interventional

Part A: Radiolabel Study With GW786034 Part B: Single Dose of GW786034

NCT00478725
View directory record Official record
Conditions
Carcinoma, Renal Cell
Interventions
GW786034, oral, GW786034, IV, GW786034, radiolabeled oral
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Minneapolis, Minnesota • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Sep 26, 2026, 5:52 PM 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 Nov 30, 2025 · Synced Sep 26, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Inactivation of Whole Blood With Mirasol

NCT01907906
View directory record Official record
Conditions
Focus of Study: Radiolabel Recovery and Survival of RBCs
Interventions
Mirasol System for Whole Blood
Device
Lead sponsor
Terumo BCTbio
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
2
States / cities
Cincinnati, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 17, 2015 · Synced Sep 26, 2026, 5:52 PM EDT
Recruiting Phase 1 Interventional

DK222 Study at Hopkins

NCT07140315
View directory record Official record
Conditions
Non-Small Cell Lung Cancer, Urothelial Cancer
Interventions
[18F]DK222 radiotracer
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 26, 2026, 5:52 PM EDT