Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 22, 2026, 8:59 AM 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 201 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: single photon emission computed tomography Clear all
Completed No phase listed Observational

Idiopathic Parkinson's Progression and Dopamine Transporter SPECT

NCT03531086
View directory record Official record
Conditions
Parkinson Disease
Interventions
Ioflupane I 123
Drug
Lead sponsor
Julie Gurwell
Other
Eligibility
40 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Sep 22, 2026, 8:59 AM EDT
Terminated Not applicable Interventional Results available

Simultaneous Assessment of FFR and SPECT

NCT02749045
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
SPECT imaging
Radiation
Lead sponsor
Prem Soman
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Sep 22, 2026, 8:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of a Functional Neuroimaging Battery for the Evaluation of a Meditation Retreat

NCT02443766
View directory record Official record
Conditions
Healthy
Interventions
Meditation Retreat
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Sep 22, 2026, 8:59 AM EDT
Recruiting Phase 2 Interventional

Lutathera for the Treatment of Inoperable, Progressive Meningioma After External Beam Radiation Therapy

NCT04082520
View directory record Official record
Conditions
Grade 1 Meningioma, Grade 2 Meningioma, Grade 3 Meningioma, Recurrent Meningioma, Unresectable Meningioma
Interventions
Gallium Ga 68-DOTATATE, Lutetium Lu 177 Dotatate, Magnetic Resonance Imaging, Positron Emission Tomography, Questionnaire Administration, Computed Tomography, Biospecimen Collection, Single Photon Emission Computed Tomography
Radiation · Drug · Procedure + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2032
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 22, 2026, 8:59 AM EDT
Recruiting Phase 1 Interventional

Evaluating the Use of Dual Imaging Techniques for Detection of Disease in Patients With Head and Neck Cancer

NCT05945875
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Recurrent Head and Neck Squamous Cell Carcinoma
Interventions
Panitumumab-IRDye800, Indium In 111 Panitumumab, Single Photon Emission Computed Tomography, Computed Tomography, Resection, Fluorescence Imaging
Drug · Other · Procedure
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
19 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Sep 22, 2026, 8:59 AM EDT
Completed No phase listed Observational

Rubidium-82 Position Emission Computed Tomography (PET) Versus Gated, Rest / Stress Technetium 99-m SPECT

NCT01179230
View directory record Official record
Conditions
Coronary Artery Disease, Myocardial Ischemia, Heart Disease
Interventions
SPECT imaging, PET imaging
Other
Lead sponsor
Hartford Hospital
Other
Eligibility
50 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
5
States / cities
Huntsville, Alabama • Hartford, Connecticut • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2015 · Synced Sep 22, 2026, 8:59 AM EDT
Not listed Phase 3 Interventional

Two Separate But Identical Studies Evaluating the Safety and Efficacy of ALTROPANE® in the Use of SPECT Imaging for Upper Extremity Tremor

NCT00724906
View directory record Official record
Conditions
Parkinsonian Syndromes
Interventions
123 I - ALTROPANE®
Drug
Lead sponsor
Alseres Pharmaceuticals, Inc
Industry
Eligibility
40 Years to 80 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Hopkinton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 2, 2010 · Synced Sep 22, 2026, 8:59 AM EDT
Completed No phase listed Observational

Single Photon Emission Computed Tomography (SPECT) to Study Paroxysmal Hyperkinetic Movement Disorders

NCT00051337
View directory record Official record
Conditions
Hyperkinesis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 22, 2026, 8:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Analysis of Heart Muscle Function in Patients With Heart Disease and Normal Volunteers

NCT00001459
View directory record Official record
Conditions
Cardiomyopathy, Hypertrophic, Coronary Disease, Healthy, Myocardial Ischemia, Syndrome X
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Spect Analysis of Cardiac Perfusion Changes After Whole Breast/Chest Wall Radiation Therapy With ABC

NCT00321048
View directory record Official record
Conditions
Breast Neoplasms, Carcinoma, Ductal, Adenocarcinoma
Interventions
Active Breathing Coordinator
Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Imaging of Brain Receptors in Healthy Volunteers and in Patients With Schizophrenia

NCT00061789
View directory record Official record
Conditions
Schizophrenia
Interventions
SPECT Imaging of Nicotinic Acetylcholine Receptors in Brain
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 22, 2026, 8:59 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Assessment of the Biodistribution and Safety of 123-I MZINT in Healthy Subjects and Parkinson Disease Patients

NCT00427674
View directory record Official record
Conditions
Parkinson Disease
Interventions
[123I] mZINT injection and serial dynamic SPECT imaging
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 5, 2010 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Phase 1 Interventional

Using Novel Imaging to More Safely Treat Neuroendocrine Tumors

NCT06122610
View directory record Official record
Conditions
Neuroendocrine Tumors, Somatostatin Receptor-positive Neuroendocrine Tumor
Interventions
Single Photon Emission Computed Tomography/ Computed Tomography (SPECT/CT), Photon Emission Tomography / CT (PET/CT), 64Cu-Dotatate, 177Lu-Dotatate
Device · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Non-Contrast 4DCT to Detect Pulmonary Thromboembolic Events

NCT03183063
View directory record Official record
Conditions
Pulmonary Thromboembolisms, Pulmonary Embolism
Interventions
4DCT and SPECT/CT, 4DCT with BiPAP and SPECT/CT, 4DCT with CTA in suspected PE
Device
Lead sponsor
Thomas Guerrero
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Phase 2 Interventional

Development of Imaging, Clinical and Biochemical Bio-Markers for Parkinson's Disease

NCT00315250
View directory record Official record
Conditions
Parkinson's Disease, Parkinsonian Syndrome
Interventions
[123I]β-CIT
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
22 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Development of Cognitive Assessment Tools in Parkinson Disease

NCT00556764
View directory record Official record
Conditions
Parkinson Disease
Interventions
[123I] IBVM and SPECT imaging, Subjects will undergo the 123-I IBVM imaging visit
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
30 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 8, 2012 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Low Dose One-Day Tc99m Protocol With a High-Efficiency Cardiac Dedicated Gamma Camera For Detection of Coronary Disease

NCT01135095
View directory record Official record
Conditions
Chest Pain
Interventions
low-dose imaging
Radiation
Lead sponsor
Spectrum Dynamics
Industry
Eligibility
18 Years to 90 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Los Angeles, California • Springfield, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Phase 2 Interventional

Study of Individuals With Parkinson's Symptoms But in Whom There is Diagnostic Uncertainty

NCT00129675
View directory record Official record
Conditions
Parkinsonian Syndrome
Interventions
[123I]ß CIT
Drug
Lead sponsor
Institute for Neurodegenerative Disorders
Other
Eligibility
21 Years and older
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2014 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Not applicable Interventional

Does Caffeine Affect the Sensitivity of Adenosine Perfusion Scans?

NCT00205166
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Cardiac SPECT imaging Rest and Stress, Caffeine
Procedure · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 28, 2012 · Synced Sep 22, 2026, 8:59 AM EDT
Completed No phase listed Observational Results available

Iodine I 131 Tositumomab or Yttrium Y 90 Ibritumomab Tiuxetan in Treating Patients With Non-Hodgkin's Lymphoma

NCT00416312
View directory record Official record
Conditions
Lymphoma
Interventions
Patient-specific dosimetry, conventional dosimetry
Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced Sep 22, 2026, 8:59 AM EDT
Recruiting Phase 1 Interventional

Comparison of 177Lu-PSMA-617 and 225Ac-PSMA-617

NCT07054346
View directory record Official record
Conditions
Prostate Cancer, Prostate Cancer (Diagnosis), High-risk Prostate Cancer, Localized Prostate Carcinoma, Very High Risk Prostate Carcinoma
Interventions
177 Lutetium Prostate-Specific Membrane Antigen 617, Actinium-225 Prostate-Specific Membrane Antigen 617, Non-investigational, Prostatectomy, Prostate Tissue Collection, Single-photon emission computed tomography (SPECT)/Computerized tomography (CT), Blood Sample Collection
Drug · Procedure
Lead sponsor
Thomas Hope
Other
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 22, 2026, 8:59 AM EDT
Terminated No phase listed Observational

F-18 PSMA for Localization of Parathyroid Adenoma

NCT05299632
View directory record Official record
Conditions
Hyperparathyroidism
Interventions
99mTc-MIBI planar imaging and SPECT/CT., F- 18PSMA PET/CT imaging study
Diagnostic Test
Lead sponsor
Emory University
Other
Eligibility
18 Years to 99 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
3
States / cities
Atlanta, Georgia • Johns Creek, Georgia
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 22, 2026, 8:59 AM EDT
Completed Phase 1 Interventional

Folic Acid-Tubulysin Conjugate EC1456 In Patients With Advanced Solid Tumors

NCT01999738
View directory record Official record
Conditions
Solid Tumors, Non Small Cell Lung Carcinoma
Interventions
EC1456 and EC20
Drug
Lead sponsor
Endocyte
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
16
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2019 · Synced Sep 22, 2026, 8:59 AM EDT
Recruiting Phase 2Phase 3 Interventional

Comparing Sentinel Lymph Node (SLN) Biopsy With Standard Neck Dissection for Patients With Early-Stage Oral Cavity Cancer

NCT04333537
View directory record Official record
Conditions
Buccal Mucosa Squamous Cell Carcinoma, Floor of Mouth Squamous Cell Carcinoma, Gingival Squamous Cell Carcinoma, Hard Palate Squamous Cell Carcinoma, Lip Squamous Cell Carcinoma, Lower Alveolar Ridge Squamous Cell Carcinoma, Oral Cavity Squamous Cell Carcinoma, Retromolar Trigone Squamous Cell Carcinoma, Stage I Lip and Oral Cavity Cancer AJCC v8, Stage II Lip and Oral Cavity Cancer AJCC v8, Tongue Squamous Cell Carcinoma, Upper Alveolar Ridge Squamous Cell Carcinoma
Interventions
Chest Radiography, Computed Tomography, Fludeoxyglucose F-18, Imaging Agent, Neck Dissection, Planar Imaging, Positron Emission Tomography, Questionnaire Administration, Sentinel Lymph Node Biopsy, Single Photon Emission Computed Tomography
Procedure · Other · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
686 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2036
U.S. locations
106
States / cities
Birmingham, Alabama • Gilbert, Arizona • Phoenix, Arizona + 80 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 22, 2026, 8:59 AM EDT