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Study of Cryotherapy for Renal Tumors

This study has been withdrawn prior to enrollment.
Information provided by:
National Taiwan University Hospital Identifier:
First received: March 9, 2009
Last updated: August 12, 2013
Last verified: December 2012
The purpose of this study is to study the change of tumor size and serum cytokine in the patients who received cryotherapy for the renal tumors.

Condition Intervention
Renal Tumors
Procedure: cryotherapy

Study Type: Interventional
Study Design: Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Study of Cryotherapy for Renal Tumors

Resource links provided by NLM:

Further study details as provided by National Taiwan University Hospital:

Primary Outcome Measures:
  • Tumor size [ Time Frame: 3 months ]

Enrollment: 0
Study Start Date: October 2007
Estimated Study Completion Date: December 2012
Estimated Primary Completion Date: December 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Cryotherapy
The patients who receive cryotherapy for their renal tumors
Procedure: cryotherapy
Placing 4-6 cryotherapy probes into the renal tumors and conducting two cycles of freezing and thawing


Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • The patients who have renal tumor less than 7 cm and receive cryotherapy

Exclusion Criteria:

  • The tumor size is larger than 7 cm
  • The patients do not approve the surgery
  Contacts and Locations
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Please refer to this study by its identifier: NCT00858975

National Taiwan University Hospital
Taipei, Taiwan, 100
Sponsors and Collaborators
National Taiwan University Hospital
  More Information

Responsible Party: Yeong-Shiau Pu, Department of Urology / National Taiwan University Hospital Identifier: NCT00858975     History of Changes
Other Study ID Numbers: 200709063R
Study First Received: March 9, 2009
Last Updated: August 12, 2013

Keywords provided by National Taiwan University Hospital:
renal tumor

Additional relevant MeSH terms:
Kidney Neoplasms
Urologic Neoplasms
Urogenital Neoplasms
Neoplasms by Site
Kidney Diseases
Urologic Diseases processed this record on May 25, 2017