Skip to content

The phaseII study of the efficacy of Abirateron acetate and Dutasteride therapy for castration resistant prostate cancer.

The phaseII study of the efficacy of Abirateron acetate and Dutasteride therapy for castration resistant prostate cancer. - The efficacy of Abirateron and Dutasteride for CRPC.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000027795
Enrollment
20
Registered
2017-07-01
Start date
2017-08-01
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

castration resistant prostate cancer

Interventions

Patients is treated with abiraterone (1,000 mg daily) and prednisone (5 mg daily) for two 4-week cycles. After this time, dutasteride (0.5 mg daily) is added for 12 weeks. Patients continue on the thr

Sponsors

Department od Urology, Yamaguchi Graduate School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1)advanced prostate cancer (>stage III) with androgen deprivation therapy 2)a serum total testosterone <50 ng/dL 3)PSA progression as defined by the Prostate Cancer Clinical Trials Working Group 4)patients with benign prostate hyperplasia (IPSS>9) 5) Hematologic and laboratory criteria including White blood cell >3,000/mm3 Hemoglobin>8.0 g/dL Platelet count>100000/mm3 aspartate aminotransferase (AST) <100 IU/L alanine aminotransferase (ALT) <100 IU/L Serum creatinine <1.5 mg/dL patients provide written informed consent

Exclusion criteria

Exclusion criteria: 1)Patients took 5alpha-reductase inhibitors previously 2)AST >101 IU/L or ALT>101 IU/L or Child-Pugh score C 3)HbA1c > 10% 4)serum potassium < 3.5 mEq/l

Design outcomes

Primary

MeasureTime frame
the rate of patients with over fifty percent reduction in PSA

Secondary

MeasureTime frame
Time-to-treatment failure

Countries

Japan

Contacts

Public ContactKeita Kobayashi

Yamaguchi Graduate School of Medicine Urology

kkoba@yamaguchi-u.ac.jp0836-22-2275

Outcome results

None listed

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