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ClinicalTrials.gov public records Last synced Sep 12, 2026, 1:46 PM EDT

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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: radioactive Tc99M Clear all
Completed Phase 1 Interventional

Safety and Efficacy of FolateScan (Technetium Tc 99m EC20) in Women With Suspected Ovarian or Endometrial Cancer

NCT01686256
View directory record Official record
Conditions
Ovarian Cancer, Endometrial Cancer
Interventions
Tc 99m EC20
Drug
Lead sponsor
Endocyte
Industry
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Radiation Dose in Humans From Orally Administered Tc99m-Heparin

NCT04069429
View directory record Official record
Conditions
Eosinophilic Esophagitis
Interventions
Computerized Tomography scan, Single Photon Emission Computed Tomography scans, Technetium Tc 99M, Planar Images, Esophagogastroduodenoscopy
Radiation · Drug · Procedure
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 70 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced Sep 12, 2026, 1:46 PM EDT
Terminated Phase 1 Interventional

Mapping Draining Lymph Nodes in CNS Malignancies

NCT04096716
View directory record Official record
Conditions
Central Nervous System Neoplasms, Central Nervous System Tumor
Interventions
Tc-99m tilmanocept
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Sep 12, 2026, 1:46 PM EDT
Terminated Phase 3 Interventional Results available

Compare Technegas Ventilation-Perfusion SPECT and Xenon Ventilation-Perfusion Planar Imaging for Pulmonary Embolism

NCT01458639
View directory record Official record
Conditions
Pulmonary Embolism
Interventions
Technegas V SPECT imaging, Xenon-133 Ventilation Planar imaging
Drug
Lead sponsor
Cyclomedica Australia PTY Limited
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
St Louis, Missouri • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 9, 2015 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Effect of Fasting and Exercise on Uptake of Tc-99m Sestamibi in Breast Tissue

NCT01944215
View directory record Official record
Conditions
Molecular Imaging
Interventions
Meal, Exercise, Sestamibi, Caffeine Tablet, External Heating
Dietary Supplement · Other · Radiation + 1 more
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 70 Years · Female only
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Not applicable Interventional

Injection Methods in Finding the Sentinel Lymph Node During Lymphatic Mapping and Sentinel Lymph Node Biopsy in Patients With Invasive Breast Cancer

NCT00438477
View directory record Official record
Conditions
Breast Cancer
Interventions
Isosulfan Blue, Lymphangiography, Technetium Tc 99m sulfur colloid
Drug · Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2012 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Absorptive Clearance in the Cystic Fibrosis Airway

NCT00541190
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Technetium [Tc-99m] sulfur colloid and Indium [In-111] DTPA
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 23, 2017 · Synced Sep 12, 2026, 1:46 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study of 99mTc-p5+14 in Healthy Volunteers and Patients With AL or ATTR Systemic Amyloidosis

NCT05951816
View directory record Official record
Conditions
Systemic Amyloidosis
Interventions
99mTc-p5+14 is an amyloid reactive peptide labeled with technetium-99m., 99mTc-Pyrophosphate
Drug
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 12, 2026, 1:46 PM EDT
Terminated Early Phase 1 Interventional

4D-CT-based Ventilation Imaging for Adaptive Functional Guidance in Radiotherapy

NCT01034514
View directory record Official record
Conditions
Lung Cancer
Interventions
Real-time Position Management system, Discovery ST multislice PET/CT scanner, Infinia Hawkeye SPECT/CT gamma camera, Pinnacle3 treatment planning system, SKYLight nuclear camera, DTPA, TECHNETIUM TC 99M MAA
Device · Drug
Lead sponsor
Billy W. Loo Jr.
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 7, 2017 · Synced Sep 12, 2026, 1:46 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Renal Uptake of Fatty Acids (FFA) in Patients With Idiopathic Uric Acid Nephrolithiasis (IUAN)

NCT02975986
View directory record Official record
Conditions
Uric Acid Nephrolithiasis
Interventions
123I-BMIPP, 99mTc-MAG3
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 99 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
2
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Phase 2 Interventional

Axillary Reverse Mapping

NCT01381315
View directory record Official record
Conditions
Breast Cancer
Interventions
Injection of isotope, Axillary lymph node dissection
Procedure
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2017 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Phase 4 Interventional Results available

SIR-Spheres Study to Calculate the Radiation-Absorbed Dose of 99mTc-MAA

NCT05848947
View directory record Official record
Conditions
Carcinoma, Carcinoma, Hepatocellular, Liver Neoplasm
Interventions
99mTc-Macro Albumin Aggregate
Drug
Lead sponsor
Sirtex Medical
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Sep 12, 2026, 1:46 PM EDT
Recruiting Not applicable Interventional

Comparative Performance of Molecular Breast Imaging (MBI) to Magnetic Resonance Imaging (MRI) of the Breast in Identifying and Excluding Breast Carcinoma in Women at High Risk for Breast Cancer

NCT05042687
View directory record Official record
Conditions
Breast Cancer
Interventions
Tc99m sestamibi
Drug
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
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Not applicable Interventional Results available

Efficacy of Gamma Camera Used Intraoperatively for ID of Sentinel Lymph Nodes w/ Lymphoscintigraphy

NCT01314963
View directory record Official record
Conditions
Multiple Myeloma, Breast Cancer
Interventions
Prototype intraoperative handheld gamma camera (pIHGC), Lymphoscintigraphy with intraoperative gamma probes (GP), radioactive Tc99M
Device · Radiation
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2018 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Phase 3 Interventional Results available

Caffeine's Effect on Regadenoson Administration With Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging (MPI)

NCT00826280
View directory record Official record
Conditions
Coronary Artery Disease (CAD)
Interventions
regadenoson, overencapsulated caffeine, technetium, placebo
Drug · Radiation
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
18 Years and older
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
25
States / cities
Birmingham, Alabama • Huntsville, Alabama • La Mesa, California + 22 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2024 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Phase 3 Interventional Results available

A Study Assessing the Safety and Effectiveness of IC2000 and SPY Fluorescence Imaging Systems (SPY-PHI) in the Visualization of Lymphatic Vessels and Identification of Lymph Nodes During Sentinel Lymph Node Biopsy in Subjects With Breast Cancer

NCT03200704
View directory record Official record
Conditions
Breast Cancer, Lymph Node Mapping, Sentinel Lymph Node Biopsy
Interventions
IC2000 and SPY-PHI, Tc-99m radioactive colloid and Gamma Probe
Combination Product
Lead sponsor
Novadaq Technologies ULC, now a part of Stryker
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
5
States / cities
Scottsdale, Arizona • Washington D.C., District of Columbia • Jacksonville, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 12, 2026, 1:46 PM EDT
Terminated Not applicable Interventional Results available

Half-Dose Radiopharmaceutical in Wide Beam Reconstruction

NCT01499654
View directory record Official record
Conditions
Myocardial Infarction, Ischemic Heart Disease
Interventions
Half-dose of the Tc99-m sestamibi (Cardiolite)
Drug
Lead sponsor
Edwin Wu
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2016 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Not applicable Interventional Results available

Comparison of Use of Indocyanine Green and 99mTc-labeled Radiotracer for Axillary Lymphatic Mapping in Patients With Breast Cancer

NCT02419807
View directory record Official record
Conditions
Stage I Breast Cancer, Stage II Breast Cancer
Interventions
Indocyanine Green Solution, Technetium Tc-99m Sulfur Colloid, Lymphoscintigraphy, Axillary Lymph Node Biopsy
Drug · Radiation · Procedure
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
Female only
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Sep 12, 2026, 1:46 PM EDT
Terminated Phase 1 Interventional

Lymphoseek as Lymphoid Tissue Targeting Agent in Patients With Cancer of the Endometrium

NCT02589366
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Lymphoseek plus Vital Blue Dye
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 12, 2026, 1:46 PM EDT
Terminated Phase 2 Interventional Results available

Concurrent Use Lymphoseek & Indocyanine Green in Sentinel Lymph Node Detection in Endometrial Cancer

NCT04511026
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Lymphoseek, Single Photon Emission Computed Tomography (SPECT), Indocyanine Green (ICG), Neoprobe Gamma Detection System NPB11L(Model1102)
Drug · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Sep 12, 2026, 1:46 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Comparative Analysis of Biotinylated, Irradiated and 51-Chromium Radiolabeled Red Blood Cells for Analysis of Recovery and Survival After Autologous Transfusion

NCT07446647
View directory record Official record
Conditions
Healthy Volunteer Red Blood Cell Labeling Study; Not Disease Focused
Interventions
Biotinylated Red Blood Cells (BioRBC), Irradiated Biotinylated Red Blood Cells (Irradiated BioRBC), 51 Chromium Labeled Red Blood Cells (51Cr RBC), Technetium 99m Labeled Red Blood Cells (99mTc RBC)
Biological
Lead sponsor
Jose Cancelas
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Cincinnati, Ohio • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 12, 2026, 1:46 PM EDT
Completed Phase 4 Interventional Results available

Sentinel Lymph Node Biopsy Findings in Patients With Breast Cancer

NCT02287675
View directory record Official record
Conditions
Breast Cancer
Interventions
Lymphoseek, Sulfur Colloid
Drug
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Kettering, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Sep 12, 2026, 1:46 PM EDT