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A Phase 3, Randomized, Double-Blind, Multicenter Trial Comparing Orteronel (TAK-700) Plus Prednisone With Placebo Plus Prednisone in Patients With Chemotherapy-Naive Metastatic Castration-Resistant Prostate Cancer

A Phase 3, Randomized, Double-Blind, Multicenter Trial Comparing Orteronel (TAK-700) Plus Prednisone With Placebo Plus Prednisone in Patients With Chemotherapy-Naive Metastatic Castration-Resistant Prostate Cancer

Status
Unknown
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080221695
Enrollment
1454
Registered
2012-01-19
Start date
2012-01-19
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Chemotherapy-naive metastatic castration-resistant prostate cancer

Interventions

Sponsors

Takeda Pharmaceutical Company Limited
Lead Sponsor
Millennium Pharmaceuticals, Inc., U.S.A.
Collaborator

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: - Histologically or cytologically confirmed diagnosis of prostate adenocarcinoma - Radiograph-documented metastatic disease - Progressive disease - Prior surgical castration or concurrent use of an agent for medical castration - Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1

Exclusion criteria

Exclusion criteria: - Received prior chemotherapy for prostate cancer - Documented central nervous system metastases - Current spinal cord compression, bilateral hydronephrosis or current bladder neck outlet obstruction - Uncontrolled cardiovascular condition as specified in study protocol - Uncontrolled nausea, vomiting or diarrhea

Design outcomes

Primary

MeasureTime frame
Radiographic progression-free survival (rPFS), Overall survival (OS)

Secondary

MeasureTime frame
50% prostate specific antigen (PSA) response, Changes in circulating tumor cell (CTC) counts, Time to pain progression

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026