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Japanese BAY88-8223 Monotherapy Phase II Study

A Single-arm, Open-label, Multicenter, Phase II Study of BAY88-8223 in the Treatment of Japanese Patients With Symptomatic Castration-resistant Prostate Cancer (CRPC) With Bone Metastases

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01929655
Enrollment
49
Registered
2013-08-28
Start date
2013-09-30
Completion date
2017-05-16
Last updated
2018-04-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Prostatic Neoplasms

Keywords

Phase II, symptomatic castration-resistant prostate cancer, bone metastases

Brief summary

To evaluate the efficacy and safety of the best standard of care plus BAY88-8223 in Japanese patients with CRPC and bone metastases after a multiple administration

Interventions

DRUGRadium-223 dichloride (Xofigo, BAY88-8223)

BAY88-8223, 50 kBq/kg will be administered as slow bolus intravenous injection 6 times at intervals of 4 weeks between each administration

Sponsors

Bayer
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
20 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Have received docetaxel or not eligible for the first course of docetaxel, i.e. patients who are not fit enough and willing. * Histologically or cytologically confirmed adenocarcinoma of the prostate * Multiple bone metastases * Either regular (not occasional) analgesic medication use for cancer-related bone pain or treatment with external beam radiotherapy (EBRT) for bone pain. * Best standard of care(BSoC) is regarded as the routine standard of care.

Exclusion criteria

: * Treatment with cytotoxic chemotherapy within previous 4 weeks, or planned during the treatment period * History of visceral metastasis, or presence of visceral metastasis

Design outcomes

Primary

MeasureTime frame
Percentage of change in total alkaline phosphatase from baseline at 12 weeksBaseline and 12 weeks

Secondary

MeasureTime frame
Percentages of change in bone ALP at 12 weeksBaseline and 12 weeks
Percentages of change in bone ALP at the end of treatmentBaseline and 24 weeks
The proportion of subjects who have total alkaline phosphatase normalization at 12 weeks12 weeks
The proportion of subjects who have total alkaline phosphatase normalization at the end of treatment24 weeks
The proportion of subjects who have bone alkaline phosphatase normalization at 12 weeks12 weeks
The proportion of subjects who have bone alkaline phosphatase normalization at the end of treatment24 weeks
Percentage of change in total alkaline phosphatase at the end of treatmentBaseline and 24 weeks
Overall survival3 years
Percentages of change in biomarkers of bone turnover at each time pointBaseline and 36 weeks
Number of participants with drug related adverse events and serious adverse events as a measure of safety and tolerability3 years
Incidence of treatment-emergent adverse events (TEAEs)24 weeks plus 30 days
Number of participants with abnormal laboratory values36 weeks
Time to prostate specific antigen progression24 weeks

Countries

Japan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 2, 2026