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ClinicalTrials.gov public records Last synced Oct 19, 2026, 9:15 PM EDT

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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ra-223 dichloride Clear all
Completed Phase 1 Interventional

Phase IB Trial of Radium-223 and Niraparib in Patients With Castrate Resistant Prostate Cancer (NiraRad)

NCT03076203
View directory record Official record
Conditions
Prostate Carcinoma Metastatic to the Bone, Stage IV Prostate Adenocarcinoma, Hormone-refractory Prostate Cancer
Interventions
Niraparib, Radium Ra 223 Dichloride
Drug · Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
6
States / cities
Birmingham, Alabama • Chicago, Illinois • New Orleans, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 19, 2026, 9:15 PM EDT
Terminated Phase 3 Interventional Results available

A Study Comparing ARB With Radium-223 vs ARB Therapy With Placebo and the Effect Upon Survival for mCRPC Patients

NCT04237584
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
Enzalutamide during Lead-in Period, Lead-in Enzalutamide followed by Radium-223/Enzalutamide, Lead-in Enzalutamide followed by Placebo/Enzalutamide, Darolutamide during Lead-in Period, Lead-in Darolutamide followed by Radium-223/Darolutamide, Lead-in Darolutamide followed by Placebo/Darolutamide
Drug
Lead sponsor
MANA RBM
Other
Eligibility
18 Years and older · Male only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Myrtle Beach, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 7, 2022 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional

A Study of Stereotactic Body Radiation Therapy and Radium (Ra-223) Dichloride in Prostate Cancer That Has Spread to the Bones

NCT05133440
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radium dichloride, PET Scan
Drug · Diagnostic Test
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
7
States / cities
Aurora, Colorado • Basking Ridge, New Jersey • Middletown, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Re-treatment Safety of Radium-223 Dichloride in Castration-resistant Prostate Cancer With Bone Metastases

NCT01934790
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
3
States / cities
New Orleans, Louisiana • Omaha, Nebraska • Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Mar 26, 2018 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Trial of Ra-223 Dichloride in Combination With Hormonal Therapy and Denosumab in the Treatment of Patients With Hormone-Positive Bone-Dominant Metastatic Breast Cancer

NCT02366130
View directory record Official record
Conditions
Breast Cancer
Interventions
Ra-223 dichloride, Denosumab, Hormone Therapy
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 7, 2021 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Standard Dose Versus High Dose and Versus Extended Standard Dose Radium-223 Dichloride in Castration-resistant Prostate Cancer Metastatic to the Bone

NCT02023697
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
391 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
12
States / cities
Scottsdale, Arizona • New Haven, Connecticut • Fort Myers, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2019 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Prostate Cancer Intensive, Non-Cross Reactive Therapy (PRINT) for Castration Resistant Prostate Cancer (CRPC)

NCT02903160
View directory record Official record
Conditions
Prostate Cancer
Interventions
Abiraterone acetate, Prednisone, Radium-223 dichloride, cabazitaxel, Carboplatin, Enzalutamide
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 19, 2026, 9:15 PM EDT
Active, not recruiting Phase 1 Interventional

Study of Nivolumab in Combination w Radium-223 in Men w Metastatic Castration Resistant Prostate Cancer

NCT04109729
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
Nivolumab, Radium-223
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Male only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 19, 2026, 9:15 PM EDT
Terminated Phase 1 Interventional Results available

Study to Test the Safety and How Radium-223 Dichloride an Alpha Particle-emitting Radioactive Agent Works in Combination With Pembrolizumab an Immune Checkpoint Inhibitor in Patients With Stage IV Non-small Cell Lung Cancer With Bone Metastases

NCT03996473
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Radium-223 dichloride (Xofigo, BAY 88-8223), Pembrolizumab
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Marcos, California
Source: ClinicalTrials.gov public record
Updated Oct 10, 2024 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Radium-223 and Radiotherapy in Hormone-Naïve Men With Oligometastatic Prostate Cancer to Bone

NCT03304418
View directory record Official record
Conditions
Prostate Cancer Metastatic to Bone
Interventions
Radium Ra 223 Dichloride, Radiation
Drug · Radiation
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 3 Interventional Results available

A Phase III Study of Radium-223 Dichloride in Patients With Symptomatic Hormone Refractory Prostate Cancer With Skeletal Metastases

NCT00699751
View directory record Official record
Conditions
Hormone Refractory Prostate Cancer, Bone Metastases
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Placebo, Best standard of care (BSoC)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
921 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
7
States / cities
Los Angeles, California • Roseville, California • Tampa, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 19, 2026, 9:15 PM EDT
Completed No phase listed Observational

Treatment Patterns in Metastatic Prostate Cancer

NCT02729103
View directory record Official record
Conditions
Prostatic Neoplasm
Interventions
Xofigo (Radium 223 dichloride,BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
45 Years and older · Male only
Enrollment
565 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 25, 2018 · Synced Oct 19, 2026, 9:15 PM EDT
Terminated Phase 1 Interventional

NaF/FDG PET/MRI in Measuring Response to Radium Ra 223 Dichloride in Patients With Metastatic Hormone-Resistant Prostate Cancer

NCT02429804
View directory record Official record
Conditions
Hormone-Resistant Prostate Cancer, Metastatic Malignant Neoplasm in the Bone, Metastatic Prostate Carcinoma
Interventions
Contrast-enhanced Magnetic Resonance Imaging, Fludeoxyglucose F-18, Fluorine F 18 Sodium Fluoride, Magnetic Resonance Imaging, Positron Emission Tomography
Procedure · Drug
Lead sponsor
Stanford University
Other
Eligibility
19 Years and older · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 19, 2026, 9:15 PM EDT
Completed No phase listed Observational

Treatment Patterns in Castrate Resistant Prostate Cancer Patients With Bone Metastases in a Medicare Population

NCT02518698
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
55 Years to 88 Years · Male only
Enrollment
1,163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Radium Ra 223 With Enzalutamide Compared to Enzalutamide Alone in Men With Metastatic Castration Refractory Prostate Cancer

NCT02199197
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radium Ra 223 Dichloride, Enzalutamide
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Male only
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 30, 2020 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional

Open Label Phase Two Study of Enzalutamide With Concurrent Administration of Radium Ra 223 Dichloride in Castration-Resistant (Hormone-Refractory) Prostate Cancer Subjects With Symptomatic Bone Metastasis

NCT02507570
View directory record Official record
Conditions
Prostate Carcinoma Metastatic to the Bone
Interventions
Enzalutamide, Radium ra 223 dichloride
Drug · Radiation
Lead sponsor
Carolina Research Professionals, LLC
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
4
States / cities
Towson, Maryland • Syracuse, New York • Myrtle Beach, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 1 Interventional

Alpharadin™ (Radium-223 Chloride) Safety and Dosimetry With HRPC That Has Metastasized to the Skeleton

NCT00748046
View directory record Official record
Conditions
Prostate Cancer, Metastases, Pharmacokinetics
Interventions
Radium-223 chloride (BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Oct 19, 2026, 9:15 PM EDT
Terminated Phase 2 Interventional Results available

Study of Radium-223 Dichloride Versus Placebo and Hormonal Treatment as Background Therapy in Subjects With Bone Predominant HER2 (Human Epidermal Growth Factor Receptor 2) Negative Hormone Receptor Positive Metastatic Breast Cancer

NCT02258464
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Placebo (saline), Background hormonal therapy
Drug · Other
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Female only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
11
States / cities
Bakersfield, California • La Jolla, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Oct 19, 2026, 9:15 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Testing the Safety of Different Doses of Olaparib Given Radium-223 for Men With Advanced Prostate Cancer With Bone Metastasis

NCT03317392
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Prostate Adenocarcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Biopsy Procedure, Biospecimen Collection, Computed Tomography, Laboratory Biomarker Analysis, Magnetic Resonance Imaging, Olaparib, Quality-of-Life Assessment, Radium Ra 223 Dichloride
Procedure · Other · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
22
States / cities
La Jolla, California • Sacramento, California • New Haven, Connecticut + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

A Biomarker Study of Standard-of-care Radium-223 Chloride for Metastatic Castration-resistant Prostate Cancer

NCT02346526
View directory record Official record
Conditions
Prostate Cancer, Castration-resistant Prostate Cancer, Castration-resistant Prostate Cancer Metastatic to Bone
Interventions
Blood Tests, CT scan, FACBC PET/MRI in a subset of participants, Radium-223 dichloride, bone scan
Procedure · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2022 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Not applicable Interventional Results available

Radium 223 in Castrate Resistant Prostate Cancer Bone Metastases

NCT02135484
View directory record Official record
Conditions
Prostate Cancer
Interventions
Alpharadin
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Oct 19, 2026, 9:15 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Phase 1b/2 Study Testing Radium-223 Dichloride/Bortezomib/Dexamethasone Combination in Relapsed Multiple Myeloma

NCT02605356
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Placebo, Bortezomib, Dexamethasone
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
10
States / cities
Scottsdale, Arizona • Little Rock, Arkansas • Encinitas, California + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2016 · Synced Oct 19, 2026, 9:15 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Study Testing Radium-223 Dichloride in Relapsed Multiple Myeloma

NCT02928029
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Placebo, Bortezomib, Dexamethasone
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
3
States / cities
Encinitas, California • Winston-Salem, North Carolina • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Oct 19, 2026, 9:15 PM EDT
Completed Phase 2 Interventional Results available

Study of Radium-223 Dichloride in Combination With Exemestane and Everolimus Versus Placebo in Combination With Exemestane and Everolimus in Subjects With Bone Predominant HER2 Negative Hormone Receptor Positive Metastatic Breast Cancer

NCT02258451
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Placebo (saline), Exemestane, Everolimus
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Female only
Enrollment
283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
15
States / cities
La Jolla, California • Los Angeles, California • New Haven, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2023 · Synced Oct 19, 2026, 9:15 PM EDT