Skip to content

Randomized controlled study of GnRH antagonist monotherapy and CAB with GnRH agonist plus bicalutamide for patients with metastatic prostate cancer.

Randomized controlled study of GnRH antagonist monotherapy and CAB with GnRH agonist plus bicalutamide for patients with metastatic prostate cancer. - Randomized controlled study of GnRH antagonist monotherapy and CAB with GnRH agonist plus bicalutamide for patients with metastatic prostate cancer.(KYUCOG-1401)

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000014243
Enrollment
200
Registered
2014-06-12
Start date
2014-07-01
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

metastatic prostate cancer

Interventions

Degarelix 240mg, sc at day 1. Degarelix 240mg, sc every 4 weeks. Bicalutamide 80mg daily(as deferred CAB therapy in the case of PSA recurrence) Leuprorelin or goserelin: subcutaneous injection (acc

Sponsors

Clinical Research Support Center Kyushu
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1. Histopathological confirmed prostate cancer patients. 2. Patients with metastatic prostate cancer (Stage D1,D2). 3. Patients' survival is expected more than six months. 4. Patients with written informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients with history of treatment or under treatment on prostate cancer. 2. Patients with active double cancer. Patients with history of malignant tumor within the past 5 years are regarded as having active double cancer. The basal cell carcinoma that radical treatment was taken or superficial squamous cell carcinoma are not included in active double cancer.) 3. Patients with less than 20 years of age on the enrollment day. 4. Any other patients who are regarded as unsuitable for this study by the investigators.

Design outcomes

Primary

MeasureTime frame
PSA Progression Free Survival

Secondary

MeasureTime frame
1. Time to CAB Treatment Failure (TTF in the case of deferred CAB therapy in antagonist monotherapy group) 2. Overall Survival 3. Progression Free Survival in image diagnosis 4. Radiographic Progression Free Survival 5. Change of PSA 6. Effect on hormone dynamics 7. Change of bone metabolic markers 8. Effect on lipid metabolism 9. Adverse event

Countries

Japan

Contacts

Public ContactAkira Yokomizo

HARASANSHIN Hospital Urology

yokoa@harasanshin.or.jp092-291-3434

Outcome results

None listed

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