Drugs / Radium-223 dichloride
last change Aug 2026 re-read 2 minutes ago

Radium-223 dichloride

Other / unclassified

Developed for
prostate cancer · prostate neoplasm · castration-resistant prostate carcinoma · metastatic carcinoma in the bone · prostate carcinoma · breast cancer · metastatic neoplasm · metastatic prostate carcinoma
+9 more · hormone-resistant prostate carcinoma · non-small cell lung carcinoma · plasma cell myeloma · clear cell renal carcinoma · neoplasm · prostate adenocarcinoma · renal cell carcinoma · sarcoma · urothelial carcinoma
Investigated by
Bayer · Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins · M.D. Anderson Cancer Center · University of Utah · Bayer Healthcare Pharmaceuticals, Inc./Bayer Schering Pharma · Dana-Farber Cancer Institute
+29 more · Memorial Sloan Kettering Cancer Center · Merck Sharp & Dohme LLC · Ajjai Alva, MD · Angela Taber MD · Association Pour La Recherche des Thérapeutiques Innovantes en Cancérologie · Cancer Trials Ireland · Carolina Research Professionals, LLC · Congressionally Directed Medical Research Programs · Dendreon · GenesisCare USA · Hoffmann-La Roche · Hoosier Cancer Research Network · Icahn School of Medicine at Mount Sinai · Istituto Romagnolo per lo Studio dei Tumori Dino Amadori IRST S.r.l. IRCCS · Janssen Research & Development, LLC · Massachusetts General Hospital · MedSIR · National Cancer Institute (NCI) · New York Presbyterian Hospital · Peter MacCallum Cancer Centre, Australia · Prostate Cancer Foundation · Rhode Island Hospital · Sanofi · Sir Mortimer B. Davis - Jewish General Hospital · The Miriam Hospital · University Hospital Freiburg · University of California, San Francisco · University of Michigan Rogel Cancer Center · University of North Carolina

Regulatory milestones approvals, filings & regulatory actions · 2 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Approved EU (EMA) Xofigo 2013-11-13 europa.eu
Approved US (FDA) XOFIGO 2013-05-15 fda.gov

Trials 56 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT03208712 Nov 2017 → Aug 2018 urothelial carcinoma University of Michigan Rogel Cancer Center Terminated No outcome recorded
Phase 110 trials
Phase 1 NCT04521361 Nov 2020 → Oct 2023 prostate carcinoma Bayer Completed No outcome recorded
Phase 1 NCT04109729 Sep 2020 → Apr 2026 overdue castration-resistant prostate carcinoma University of Utah Active not recruiting No outcome recorded
Phase 1 NCT03996473 Mar 2020 → Apr 2021 non-small cell lung carcinoma Bayer Terminated No outcome recorded
Phase 1 NCT02814669 Sep 2016 → Jul 2019 castration-resistant prostate carcinoma Hoffmann-La Roche Completed No outcome recorded
Phase 1 NCT02442063 Aug 2015 → Oct 2016 disease of bone structure, neoplasm Bayer Completed No outcome recorded
Phase 1 NCT02406521 Apr 2015 → Dec 2017 renal cell carcinoma Dana-Farber Cancer Institute Completed No outcome recorded
Phase 1 NCT02396368 Mar 2015 → Jul 2017 prostate carcinoma Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Withdrawn No outcome recorded
Phase 1 NCT01565746 Mar → Oct 2012 prostate neoplasm Bayer Completed No outcome recorded
Phase 1 NCT00748046 Aug 2008 → Oct 2009 metastatic neoplasm, prostate cancer Bayer Completed No outcome recorded
Phase 1 NCT00667537 Jul 2007 → Dec 2008 prostate neoplasm Bayer Completed No outcome recorded
Phase 1/27 trials
Phase 1/2 NCT05383079 Sep 2022 → Aug 2026 overdue prostate carcinoma Peter MacCallum Cancer Centre, Australia Active not recruiting No outcome recorded
Phase 1/2 NCT02928029 Feb 2017 → Mar 2019 plasma cell myeloma Bayer Terminated No outcome recorded
Phase 1/2 NCT02605356 Oct 2016 → Nov 2019 plasma cell myeloma Bayer Withdrawn No outcome recorded
Phase 1/2 NCT02880943 Oct 2016 → Oct 2020 clear cell renal carcinoma, metastatic carcinoma in the bone Association Pour La Recherche des Thérapeutiques Innovantes en Cancérologie Unknown No outcome recorded
Phase 1/2 NCT01934790 Dec 2013 → Jun 2015 prostate neoplasm Bayer Completed No outcome recorded
Phase 1/2 NCT01833520 Oct 2013 → Apr 2020 sarcoma M.D. Anderson Cancer Center Completed No outcome recorded
Phase 1/2 NCT01106352 Jul 2010 → Jun 2015 castration-resistant prostate carcinoma, metastatic carcinoma in the bone Bayer Completed No outcome recorded
Phase 229 trials
Phase 2 NCT05924672 Aug 2024 → Jan 2026 overdue castration-resistant prostate carcinoma, metastatic carcinoma in the bone University of California, San Francisco Active not recruiting No outcome recorded
Phase 2 NCT04704505 Apr 2022 → Feb 2028 expected castration-resistant prostate carcinoma, prostate adenocarcinoma Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Recruiting No outcome recorded
Phase 2 NCT04206319 Sep 2020 → Feb 2026 overdue prostate carcinoma National Cancer Institute (NCI) Active not recruiting No outcome recorded
Phase 2 NCT04037358 Aug 2019 → Jul 2025 prostate cancer Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Completed No outcome recorded
Phase 2 NCT03062254 Mar 2018 → Jul 2020 prostate cancer Sir Mortimer B. Davis - Jewish General Hospital Completed No outcome recorded
Phase 2 NCT03304418 Feb 2018 → Sep 2022 metastatic prostate carcinoma University of Utah Completed No outcome recorded
Phase 2 NCT03230734 Sep 2017 → Jul 2025 overdue castration-resistant prostate carcinoma Istituto Romagnolo per lo Studio dei Tumori Dino Amadori IRST S.r.l. IRCCS Active not recruiting No outcome recorded
Phase 2 NCT03093428 Jun 2017 → Apr 2020 prostate cancer Dana-Farber Cancer Institute Completed No outcome recorded
Phase 2 NCT02903160 Jan 2017 → Nov 2021 prostate cancer Icahn School of Medicine at Mount Sinai Completed No outcome recorded
Phase 2 NCT03002220 Dec 2016 → May 2020 prostate cancer MedSIR Completed No outcome recorded
Phase 36 trials
Phase 3 NCT05771896 Sep 2023 → Dec 2028 metastatic prostate carcinoma GenesisCare USA Withdrawn No outcome recorded
Phase 3 NCT03574571 Jun 2018 → Apr 2027 expected prostate cancer Memorial Sloan Kettering Cancer Center Active not recruiting No outcome recorded
Phase 3 NCT02043678 Mar 2014 → Feb 2018 prostate neoplasm Bayer Completed No outcome recorded
Phase 3 NCT01810770 Mar 2013 → Sep 2017 prostate neoplasm Bayer Completed No outcome recorded
Phase 3 NCT01618370 Jul 2012 → Aug 2014 prostate neoplasm Bayer Completed No outcome recorded
Phase 3 NCT00699751 Jun 2008 → Jul 2011 hormone-resistant prostate carcinoma, metastatic carcinoma in the bone Bayer Completed No outcome recorded
Phase 41 trial
Phase 4 NCT04597125 Nov 2020 → Nov 2025 overdue prostate carcinoma Bayer Active not recruiting No outcome recorded
Phase not applicable1 trial
NCT02135484 Sep 2014 → Nov 2020 prostate cancer M.D. Anderson Cancer Center Completed No outcome recorded
Phase not stated1 trial
NCT01516762 prostate neoplasm Bayer No longer available No outcome recorded
Also used as a comparator or background therapy in 6 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 01 trial
Phase 0 NCT02204943 Background May 2015 → Jul 2017 castration-resistant prostate carcinoma Duke University Completed No outcome recorded
Phase 34 trials
Phase 3 NCT07611110 Comparator May 2026 → Feb 2029 expected prostate carcinoma AstraZeneca Recruiting No outcome recorded
Phase 3 NCT04237584 Comparator Jun 2020 → Mar 2022 castration-resistant prostate carcinoma MANA RBM Terminated No outcome recorded
Phase 3 NCT03903835 Comparator Feb 2019 → Dec 2026 expected castration-resistant prostate carcinoma, metastatic prostate carcinoma Karolinska Institutet Recruiting No outcome recorded
Phase 3 NCT03458559 Comparator May 2018 → May 2022 metastatic prostate carcinoma Amsterdam UMC, location VUmc Unknown No outcome recorded
Phase 41 trial
Phase 4 NCT03432949 Background Feb 2018 → Sep 2023 metastatic prostate carcinoma University Health Network, Toronto Unknown No outcome recorded

Evidence & citations 16 cited values

Every value below carries the sentence it was read from. 71 sources stand behind the page.

FieldValueCited text
Known as Radium-223 dichloride Radium-223 dichloride is a radiopharmaceutical with structural similarity to calcium, allowing it to be taken up by bone where it emits alpha particles, and therefore might...” PMID 32487038 Jun 2020
28

Radium-223 dichloride, 50 kBq (1.35 microcurie) per kg body weight intravenous (IV bolus) every 28 days for 6 injections” NCT02582749

Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01106352

Radium-223 dichloride (Xofigo, BAY88-8223)” NCT04521361

NCT02258464

NCT02814669

NCT00459654

NCT01565746

NCT02258451

NCT03996473

NCT01516762

NCT02034552

NCT01810770

NCT01929655

NCT02023697

NCT01106352

NCT02605356

NCT02043678

NCT02903160

NCT00699751

NCT01618370

NCT02346526

NCT01934790

NCT04597125

NCT02484339

NCT00667199

NCT02928029

NCT00337155

NCT03062254

Known as 223Ra “Lutetium-177 [177Lu]Lu-PSMA-I&T (177Lu-PSMA-I&T) and the bone-seeking α-emitter radium-223 (223Ra) are established life-extending therapies” PMID 41119954 Oct 2025
2

“²²³Ra-Dichloride (²²³Ra) is a novel bone-seeking alpha-emitter” PMID 23653243 May 2013

“up to six doses of 223Ra (55 kBq/kg of body weight per month)” PMID 35981452 Aug 2022

Known as 223Ra-chloride “Quantitative imaging of 223Ra-chloride (Alpharadin) for targeted alpha-emitting radionuclide therapy of bone metastases.” PMID 22513884 Jul 2012
Known as 223Ra-Dichloride “A Phase 1, Open-Label Study of the Biodistribution, Pharmacokinetics, and Dosimetry of 223Ra-Dichloride in Patients with Hormone-Refractory Prostate Cancer and Skeletal Metastases.” PMID 26182965 Jul 2015
1

“²²³Ra-Dichloride (²²³Ra) is a novel bone-seeking alpha-emitter” PMID 23653243 May 2013

Known as Alpharadin “Radium(223) Dichloride (Alpharadin) in Castration-Resistant (Hormone-Refractory) Prostate Cancer Patients With Bone Metastases” NCT01618370
3

“Quantitative imaging of 223Ra-chloride (Alpharadin) for targeted alpha-emitting radionuclide therapy of bone metastases.” PMID 22513884 Jul 2012

Alpharadin (Radium-223 dichloride) is administered intravenously as a bolus injection.” NCT01106352

“Radium-223, Xofigo (Alpharadin), in treatment of men with prostate cancer” NCT00667199

Known as BAY88-8223 “Pharmacokinetics of single dose radium-223 dichloride (BAY 88-8223) in Japanese patients with castration-resistant prostate cancer and bone metastases.” PMID 27272279 Jun 2016
24

“Radium-223 dichloride (Xofigo, BAY88-8223) Dose group 1” NCT00337155

“Radium-223 chloride (Xofigo®, BAY88-8223) injection” NCT00667537

“Radium Ra 223 dichloride (Xofigo, BAY88-8223)” NCT02442063

“Radium-223 dichloride (Xofigo, BAY 88-8223)” NCT03996473

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02258451

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT04521361

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT00699751

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01106352

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT00459654

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02605356

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01810770

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02043678

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01565746

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02928029

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01934790

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01929655

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02258464

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02023697

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT04597125

“Radium-223 dichloride (BAY88-8223)” NCT00667199

“Radium-223 dichloride (BAY88-8223)” NCT01618370

“Radium-223 dichloride (BAY88-8223)” NCT01516762

“Radium-223 chloride (BAY88-8223)” NCT01070485

“Radium-223 chloride (BAY88-8223)” NCT00748046

Known as Ra-223 Cl2 “This study is a prospective, interventional, open-label, multi-center early access program for the use of Ra-223 Cl2 in HRPC/CRPC (Hormone refractory prostate cancer / Castrate...” NCT01618370
Known as Ra-223 dichloride ClinicalTrials.gov intervention name — accepted as the source's own label NCT02366130
1

NCT01833520

Known as Ra223 “We hypothesized the BM-targeting alpha-emitter radium-223 dichloride (Ra223) could target subclinical bone disease and delay progression.” PMID 40334149 May 2025
Known as Radium Chloride Ra-223 ClinicalTrials.gov intervention name — accepted as the source's own label NCT03903835
Known as Radium Ra 223 dichloride Radium Ra 223 dichloride (Xofigo®, formerly Alpharadin) is one of the representative α-particle-emitting isotopes” PMID 23977665 Aug 2013
5

Radium Ra 223 dichloride, an alpha particle-emitting pharmaceutical, is a radiotherapeutic drug.” NCT02396368

NCT02097303

NCT02442063

NCT02199197

NCT03304418

Known as radium-223 “The goal of this clinical research study is to learn more about how the study drug alpharadin (Radium-223) works in patients who have CPRC that has spread to the bone.” NCT02135484
25

“Radium 223 is supplied as a clear, colorless, isotonic, and sterile solution to be administered intravenously with pH between 6 and 8.” NCT02396368

Radium-223 is an alpha-particle-emitting bone-targeted therapy.” NCT04704505

Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01934790

Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01565746

Radium-223 dichloride (BAY88-8223)” NCT01618370

NCT05924672

NCT02225704

NCT03002220

NCT03230734

NCT04206319

NCT05771896

NCT05383079

NCT07611110

NCT03432949

NCT04037358

NCT02204943

NCT04521361

NCT04237584

NCT02406521

NCT03093428

NCT02463799

NCT04109729

NCT03574571

NCT02278055

NCT03208712

Known as Radium-223 chloride ClinicalTrials.gov intervention name — accepted as the source's own label NCT01070485
3

NCT03458559

NCT00748046

NCT00667537

Known as Xofigo “Radium-223, Xofigo (Alpharadin), in treatment of men with prostate cancer” NCT00667199
21

“Radium-223 dichloride (Xofigo, BAY88-8223) Dose group 1” NCT00337155

“Radium-223 chloride (Xofigo®, BAY88-8223) injection” NCT00667537

“Radium Ra 223 dichloride (Xofigo, BAY88-8223)” NCT02442063

“Radium-223 dichloride (Xofigo, BAY 88-8223)” NCT03996473

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01934790

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT04521361

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT00699751

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT00459654

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01106352

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02605356

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02043678

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01810770

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02258451

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02928029

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02023697

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01565746

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT01929655

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT02258464

“Radium-223 dichloride (Xofigo, BAY88-8223)” NCT04597125

NCT02283749

NCT02880943

Modality Other / unclassified “investigational radioisotope Radium-223, Alpharadin” NCT00337155
Route Other “given as injection” NCT00337155