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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:08 PM EDT

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Showing 1–24 of 66 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: radium-223 Clear all
Active, not recruiting Phase 2 Interventional

Testing the Addition of Radium Therapy (Radium-223 Dichloride) to the Usual Chemotherapy Treatment (Paclitaxel) for Advanced Breast Cancer That Has Spread to the Bones

NCT04090398
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic HER2-Negative Breast Carcinoma, Metastatic Malignant Neoplasm in the Bone
Interventions
Biospecimen Collection, Bone Scan, Computed Tomography, Electronic Health Record Review, Magnetic Resonance Imaging, Paclitaxel, Radium Ra 223 Dichloride, Single Photon Emission Computed Tomography
Procedure · Other · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
30
States / cities
Birmingham, Alabama • Duarte, California • Orange, California + 26 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 21, 2026, 2:08 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 21, 2026, 2:08 PM EDT
Completed No phase listed Observational

Clonal Emergence and Regression During Radium-223 Therapy for Metastatic Prostate Cancer

NCT03677076
View directory record Official record
Conditions
Prostate Cancer
Interventions
Ancillary/Correlative
Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 21, 2026, 2:08 PM EDT
Recruiting No phase listed Observational

SPECT Imaging for Pharmacokinetics and dosimEtry Towards TREATment Optimization

NCT06389097
View directory record Official record
Conditions
Prostate Cancer, Advanced Cancer
Interventions
Radium-223, 177Lu-DOTATATE, 177Lu-PSMA-617
Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years to 100 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 21, 2026, 2:08 PM EDT
Completed Phase 3 Interventional Results available

Radium-223 Dichloride and Abiraterone Acetate Compared to Placebo and Abiraterone Acetate for Men With Cancer of the Prostate When Medical or Surgical Castration Does Not Work and When the Cancer Has Spread to the Bone, Has Not Been Treated With Chemotherapy and is Causing no or Only Mild Symptoms

NCT02043678
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Matching placebo (normal saline), Abiraterone, Prednisone/Prednisolone
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
806 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2024
U.S. locations
29
States / cities
Anchorage, Alaska • Tucson, Arizona • Oceanside, California + 25 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Oct 21, 2026, 2:08 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 21, 2026, 2:08 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 21, 2026, 2:08 PM EDT
Completed No phase listed Observational

Navigant Study- Treatment Patterns in mCRPC (Metastatic Castrate Resistant Prostate Cancer )

NCT02899104
View directory record Official record
Conditions
Prostatic Neoplasms, Castration-Resistant
Interventions
Xofigo (Radium-223 dichloride, BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Oct 21, 2026, 2:08 PM EDT
Withdrawn Phase 1 Interventional

A Study of Radium-223 in Combination With Tasquinimod in Bone-only Metastatic Castration-Resistant Prostate Cancer

NCT02396368
View directory record Official record
Conditions
Prostate Cancer, Bone-only Metastatic Castration-Resistant Prostate Cancer (CRPC)
Interventions
Tasquinimod, Radium 223
Drug · Radiation
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 21, 2026, 2:08 PM EDT
Recruiting No phase listed Observational

Impact of DNA Repair Pathway Alterations on Sensitivity to Radium-223 in Bone Metastatic Castration-resistant Prostate Cancer

NCT04489719
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Malignant Neoplasm in the Bone, Metastatic Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Biospecimen Collection, Questionnaire Administration, Radium Ra 223 Dichloride
Procedure · Other · Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
4
States / cities
Baltimore, Maryland • Bozeman, Montana • Seattle, Washington + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 21, 2026, 2:08 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 21, 2026, 2:08 PM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study of Alpharadin With Docetaxel in Patients With Bone Metastasis From Castration-Resistant Prostate Cancer (CRPC)

NCT01106352
View directory record Official record
Conditions
Bone Metastases, Castration-Resistant Prostate Cancer
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223), Docetaxel
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
6
States / cities
San Francisco, California • Evanston, Illinois • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Oct 21, 2026, 2:08 PM EDT
Terminated Phase 2 Interventional Results available

Androgen Deprivation Therapy +/- Radium-223 Dichloride in Metastatic Prostate Cancer With Bone Metastases

NCT02582749
View directory record Official record
Conditions
Prostate Cancer, Bone Metastases, Prostate Neoplasms
Interventions
LHRH agonist/antagonist, Bicalutamide, Radium-223 dichloride
Drug · Radiation
Lead sponsor
Ajjai Alva, MD
Other
Eligibility
18 Years and older · Male only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
12
States / cities
Phoenix, Arizona • Peoria, Illinois • Indianapolis, Indiana + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced Oct 21, 2026, 2:08 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 21, 2026, 2:08 PM EDT
Active, not recruiting Phase 2 Interventional

Efficacy of Ra-223 in PSMA PET Optimally Selected Patients

NCT05924672
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Metastatic Malignant Neoplasm in the Bone, Stage IVB Prostate Cancer AJCC v8
Interventions
Radium-223, PSMA Positron Emission Tomography (PET) Scan, Technetium Tc 99M Medronate
Drug · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 21, 2026, 2:08 PM EDT
Recruiting Not applicable Interventional

Low-Count Quantitative SPECT for Men Treated With Radium-223

NCT07221825
View directory record Official record
Conditions
Prostate Cancer, Cancer of the Prostate
Interventions
Low-count quantitative single-photon emission computed tomography imaging
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 2:08 PM EDT
Completed Phase 2 Interventional Results available

Study Evaluating the Addition of Pembrolizumab to Radium-223 in mCRPC

NCT03093428
View directory record Official record
Conditions
Prostate Cancer
Interventions
Radium-223, Pembrolizumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 28, 2025 · Synced Oct 21, 2026, 2:08 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 21, 2026, 2:08 PM EDT
Completed No phase listed Observational

EPIX, a Study to Gather More Information About Characteristics of Patients and Other Factors Which May Contribute to Survival Over a Long Period of Time in Patients With Metastatic Castration-resistant Prostate Cancer (mCRPC) Treated With Radium-223 (Xofigo)

NCT04516161
View directory record Official record
Conditions
Metastatic Castration Resistant Prostate Cancer (mCRPC)
Interventions
Radium-223 dichloride (Xofigo, BAY88-8223)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
1,180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 21, 2026, 2:08 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 21, 2026, 2:08 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 21, 2026, 2:08 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 21, 2026, 2:08 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 21, 2026, 2:08 PM EDT
Completed No phase listed Observational

Multi-academic Center Study of Xofigo Patients

NCT03419442
View directory record Official record
Conditions
Prostate Cancer, Castration Resistant
Interventions
Xofigo, Taxotere, Jevtana
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Whippany, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 21, 2026, 2:08 PM EDT