Nationwide Japanese prostate cancer outcome study of permanent Iodine-125 seed implantation (J-POPS): Medical record-based longevity survey

Nationwide Japanese prostate cancer outcome study of permanent Iodine-125 seed implantation (J-POPS): Paper questionnaire sent by mail-based longevity survey - J-POPS: Paper questionnaire sent by mail-based longevity survey

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040809

Enrollment

500

Registered

2020-06-17

Start date

2020-07-01

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

prostate cancer

Interventions

None listed

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Patients enrolled in Nationwide Japanese Prostate Cancer Outcome Study of Permanent Iodine-125 Seed Implantation

Exclusion criteria

Exclusion criteria: Patients without informed consent

Design outcomes

Primary

Measure	Time frame
Overall survival	—

Secondary

Measure	Time frame
biochemical progression-free survival, clinical progression-free survival, freedom from treatment failure, time to biochemical progression, time to clinical progression, disease-specific survival, metastasis-free survival,time to castration resistant prostate cancer	—

Countries

Japan

Contacts

Public ContactNakai Yasushi

Nara Medical University Department of Urology

nakaiyasushi@naramed-u.ac.jp0744-22-3051

Outcome results