NCT03503643

Brief Summary

This is a prospective data collection of men who are electing to undergo prostate hemi-gland cryoablation. The purpose of this observational research study is to investigate the localized treatment of prostate cancer using hemi-gland cryoablation. UCLA patients undergoing hemi-gland cryoablation are a unique cohort compared to prior research because all patients at UCLA have had a pre-treatment multi-parametric MRI and Ultrasound fusion targeted biopsy; they will be followed in a similar fashion. This results in more precise assessment of a target region of cancer for ablation which may, in turn, result in improved clinical outcomes.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for all trials

Timeline
8mo left

Started Sep 2017

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
enrolling by invitation

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress93%
Sep 2017Dec 2026

Study Start

First participant enrolled

September 14, 2017

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

March 29, 2018

Completed
22 days until next milestone

First Posted

Study publicly available on registry

April 20, 2018

Completed
6.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2024

Completed
2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2026

Expected
Last Updated

May 13, 2025

Status Verified

May 1, 2025

Enrollment Period

7.3 years

First QC Date

March 29, 2018

Last Update Submit

May 9, 2025

Conditions

Keywords

prostate cancercryoablation

Outcome Measures

Primary Outcomes (1)

  • Clinical Response to Cancer Treatment

    Our primary endpoint will be a patient's clinical response to cancer treatment, specifically, the degree of prostate cancer on a post-treatment fusion biopsy compared to pre-treatment.

    6 months

Secondary Outcomes (1)

  • Quality of Life Assessment - Urinary Function

    6 months

Other Outcomes (1)

  • Quality of Life Assessment - Erectile Function

    6 months

Interventions

Hemigland cryoablation for the treatment of prostate cancer

Also known as: cryotherapy

Eligibility Criteria

Sexmale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients who are candidates for hemi-gland cryoablation, and elect this treatment option as a standard of care procedure, will be considered for our clinical study and analysis of their outcomes. Subjects will provide informed consent to participate in this study during standard of care clinical visits at the Clark Urology Center at UCLA. Subjects will provide informed consent to allow study staff to abstract data from their medical records.

You may qualify if:

  • Patient has undergone or has elected to undergo hemi-gland cryoablation at UCLA
  • Low or intermediate risk prostate cancer (Gleason ≤ 7) or select high-risk patients (Gleason 8 prostate cancer).
  • Prostate volume of ≤ 70 cc
  • Ability to complete informed consent form

You may not qualify if:

  • Medical contraindication to follow-up multi-parametric magnetic resonance imaging (mpMRI) or prostate biopsy
  • Patients unable to tolerate general or regional anesthesia.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of California, Los Angeles

Los Angeles, California, 90095, United States

Location

Related Publications (1)

  • Weiner AB, Proudfoot JA, Aker M, Cardenas M, Gonzalez S, Kelly E, Davicioni E, Sisk AE Jr, Brisbane WG, Marks LS. Genomic Biomarker for Prostate Cancer Focal Therapy: Post Hoc Assessment of a Phase II Clinical Trial. JCO Precis Oncol. 2025 Sep;9:e2500535. doi: 10.1200/PO-25-00535. Epub 2025 Sep 17.

MeSH Terms

Conditions

Prostatic NeoplasmsProstatic Diseases

Interventions

Cryotherapy

Condition Hierarchy (Ancestors)

Genital Neoplasms, MaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsGenital Diseases, MaleGenital DiseasesUrogenital DiseasesMale Urogenital Diseases

Intervention Hierarchy (Ancestors)

Therapeutics

Study Officials

  • Leonard S Marks, MD

    University of California, Los Angeles

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 29, 2018

First Posted

April 20, 2018

Study Start

September 14, 2017

Primary Completion

December 31, 2024

Study Completion (Estimated)

December 31, 2026

Last Updated

May 13, 2025

Record last verified: 2025-05

Data Sharing

IPD Sharing
Will not share

Locations