Radium Ra-223

DB12813InvestigationalSmall molecule

Radium 223 is under investigation in clinical trial NCT02463799 (Ph 2 Study of Sipuleucel-T W/ or W/O Radium-223 in Men With Asymptomatic or Minimally Symptomatic Bone-MCRPC).

Chemical structure of Radium Ra-223
Mechanism
Curator reviewed
Formula / weight
Ra · 223.0185 g/mol (avg)
Also known as
Ra-223 · Radium 223 · Radium-223

Resolves to

Compound
UNII8BR2SOL3L1CAS15623-45-7PubChem6335825
Structure
InChIKeyHCWPIIXVSYCSAN-OIOBTWANSA-NSMILES[223Ra]

What you can answer from here — as of July 07, 2026

1Protein targetEach mapped to UniProt, with action and pharmacological action
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41Clinical trialsPhase, status and sponsor resolved per trial
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1+ReferenceStructured and connected to the statements they support
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Which companies are running trials of Radium Ra-223, in which indications and phases, and which of those programs are still active?

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