Image evaluation of renal tumor after cryoablation: a prospective study

Image evaluation of renal tumor after cryoablation: a prospective study - Image evaluation of renal tumor after cryoablation: a prospective study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000007902

Enrollment

Registered

2012-05-09

Start date

2012-05-01

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

Renal cell carcinoma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Patients with typical RCC diagnosed by histological or clinical examinations. 2)Patients who received cryoablation for the tratment of RCC, and RCC tumor was completely covered by ice-. 3)Patients with hypervascular RCC measuring 7cm or less on contrast-enhanced CT or MR imaging obtained within 2 month before cryoablation. 4)CT or MR imaging evaluations are possible. 5)Patients aged 20 years or over. 6)ECOG performance status of 0-1. 7)Patients who are expected to live more than 3 months. 8)Patients who signed the informed consent to participate in this study.

Exclusion criteria

Exclusion criteria: 1)Patients who are pregnant or suspected to be pregnant. 2)Patients who are concluded to be inappropriate to participate in this study by their physicians.

Design outcomes

Primary

Measure	Time frame
Frequency of residual enhancement on CT and MR imaging after cryoablation	—

Secondary

Measure	Time frame
Changes in ablative zone size, local tumor progression, survival, and complication	—

Countries

Japan

Contacts

Public ContactHaruyuki Takaki

Mie University School of Medicine Division of Interventional Radiology

takaki-h@clin.medic.mie-u.ac.jp059-232-1111

Outcome results