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A study of apalutamide in metastatic castration-resistant prostate cancer patients

A multicenter single-arm study assessing efficacy and safety of apalutamide in metastatic castration-resistant prostate cancer patients - GENESIS

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs051220077
Enrollment
110
Registered
2022-08-16
Start date
2022-09-05
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 Castration-resistant Prostate Cancer

Interventions

The dose of apalutamide is 240 mg administered orally once daily.

Sponsors

Miyake Hideaki
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: (1) Patients who have histologically significant adenocarcinoma (2) Patients who have 1 or more distant metastases (3) Patients who received any one of the following treatments for hormone-sensitive cancer -Androgen ablative therapy including combined androgen blockade therapy -Combination therapy with androgen ablative therapy and abiraterone -Combination therapy with androgen ablative therapy and docetaxel (4) Patients who were diagnosed as mCRPC, based on at least 1 of the following criteria, in castrate level of blood testosterone = 1 ng/mL that has increased on 2 successive occasions at least 1 week apart -Appearance of 2 or more new lesions in bone -Nodal or visceral metastases as defined by RECIST 1.1 with PCGW3 modifications (5) Laboratory requirements within 2 months before enrollment AST <= 100 U/L, ALT <= 100 U/L, Serum creatinine <= 2.00 mg/dL (6) ECOG Performance Status 0-2 (7) 20 years or over patients (8) Patients who provided informed consent for participation in this study

Exclusion criteria

Exclusion criteria: (1) Patients who have histologically significant neuroendocrine differentiation or small cell (2) Patients who have received apalutamide, enzalutamide or darolutamide for metastatic prostate cancer or non-mCRPC (3) Patients who received local therapy (total prostatectomy or definitive radiotherapy) within 1 year before enrollement (4) Patients with serious viral active infection (5) Patients who have a history of malignant tumors considered not cured other than prostate cancer (6) Patients suffering from other severe acute or chronic diseases (7) Patients complicated with psychiatric disordersor symptoms and considered difficult to participate in this study (8) Patients found to be intolerable to components of test drug (or excipients) (9) For other reasons, patients who are cosidered inappropriate for participation in this study at physician's discretion

Design outcomes

Primary

MeasureTime frame
PSA response rate, defined as >= 50% decline in PSA from baseline at 12 weeks

Secondary

MeasureTime frame
(1) Time to PSA progression (2) Progression free survival (PFS) (3) Overall survival (OS) (4) Progression free survival during second therapy (PFS2) (5) >= 50% decline in PSA from baseline at 24 and 48 weeks (6) >= 90% decline in PSA from baseline at 12, 24 and 48 weeks or the achievement below detection limit after the initial dose (7) PSA maximal changes (8) Accumulated PSA response from the screening to 24 and 48 weeks (9) Grade 3 or grater adverse events graded with CTCAE (v4)

Contacts

Public ContactHideaki Miyake

Kobe University Hospital

hmiyake@med.kobe-u.ac.jp+81-78-382-6155

Outcome results

None listed

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