CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 921 enrolled
Drug / intervention
Radium-223 dichloride (Xofigo, BAY88-8223) +2 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT00699751
NCT00699751Phase 3Completed

A Double-blind, Randomised, Multiple Dose, Phase III, Multicentre Study of Alpharadin in the Treatment of Patients With Symptomatic Hormone Refractory Prostate Cancer With Skeletal Metastases

Bayer·interventional·Posted Jun 18, 2008·Updated Feb 23, 2026

In Brief

A Phase 3 clinical trial evaluating Radium-223 dichloride (Xofigo, BAY88-8223), Placebo, and 1 other intervention for Hormone Refractory Prostate Cancer and Bone Metastases. Completed, enrolled 921 participants across 134 sites in 19 countries.

Detailed Summary

ALSYMPCA (ALpharadin in SYMPtomatic Prostate CAncer) is an international Phase III clinical study to evaluate the efficacy and safety of Radium-223 dichloride in patients with hormone refractory prostate cancer and skeletal metastases.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesAustralia, Belgium, Brazil, Canada, Czechia, France, Germany, Hong Kong, Israel, Italy, Netherlands, Norway, Poland, Singapore, Slovakia, Spain, Sweden, United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
20082009201020112012201320142015201620172018201920202021202220232024202520262027
First PostedJun 18, 2008
Enrollment StartJun 12, 2008
Primary CompletionJul 15, 2011
Study CompletionFeb 13, 2014
TodayJul 2, 2026
Enrollment to primary: 3.1 yearsPosted 18.0 years ago

Interventions

Radium-223 dichloride (Xofigo, BAY88-8223)drug

Radium-223 dichloride 50 kBq/kg b.w., 6 IV administrations separated by 4 weeks intervals.

Placebodrug

Isotonic saline 6 IV administrations separated by 4 weeks intervals.

Best standard of care (BSoC)drug

Best standard of care is regarded as the routine standard of care at each center, for example local EBRT (External Beam Radiation Therapy), corticosteroids, antiandrogens, estrogens (e.g., stilboestrol), estramustine or ketoconazole.