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Laser Based Focal Ablation of Low Grade Prostate Cancer

A Pilot Study to Evaluate Magnetic Resonance Thermal Image-guided Laser-Induced Interstitial Thermal Therapy for Focal Ablation of Prostate Cancer

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01192438
Enrollment
9
Registered
2010-09-01
Start date
2010-01-31
Completion date
2011-09-30
Last updated
2014-03-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Low Grade Prostate Cancer

Keywords

prostate, cancer, ablation, laser-induced, focal therapy

Brief summary

The purpose of this study is to evaluate the safety of MRI-guided laser-induced thermal therapy of biopsy confirmed low-risk prostate cancer.

Interventions

PROCEDURELaser-based thermotherapy

MRI-guided transperineal placement of a laser probe into the prostate

Sponsors

Visualase, Inc.
CollaboratorINDUSTRY
University of Chicago
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
MALE
Age
45 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Male, 45 years of age or older * Diagnosis of prostate adenocarcinoma * Clinical stage T1c or T2a * Gleason score of 7 or less * A minimum of 12 biopsy cores sampled during diagnostic biopsy * Three or fewer biopsy cores with prostate cancer * No single biopsy core with greater than 50% of tumor involvement * A radiographically visible prostate lesion on MRI with concordance to biopsy sextant * A documented Karnofsky performance status of at least 70 * Estimated survival of 20 years or greater, as determined by treating physician * Ability to give informed consent

Exclusion criteria

* Previous surgery, radiation, or androgen deprivation therapy for prostate cancer * Presence of any condition (e.g., metal implant, shrapnel) not compatible with MRI * History of previous pelvic radiation * Severe lower urinary tract symptoms as measured by an International Prostate Symptom Score (IPSS) of 20 or greater. (See Appendix A) * History of other primary non-skin malignancy within previous three years

Design outcomes

Primary

MeasureTime frame
Number of patients with adverse eventsWithin 6 months of the procedure

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026