NCT02799303

Brief Summary

In this open randomized controlled trial, we seek to study whether prostate cancer screening using multiparametric prostate magnetic resonance imaging (mpMRI) improves the detection rate of clinically-significant prostate cancer (defined as Gleason score ≥7 on prostate biopsy) compared with prostate cancer screening using prostate-specific antigen (PSA). The current paradigm of prostate cancer screening relies upon an initial PSA blood test, with subsequent investigations driven by the serum PSA level. This model has proven highly controversial due to the inability of PSA level to discern between indolent and aggressive forms of prostate cancer. As a result, numerous government-sponsored bodies have recommended against PSA screening. Evidence suggests that prostate cancer screening has led to an increased proportion of men being diagnosed with potentially curable prostate cancer. However, due to the inability of the PSA level to accurately distinguish patients with indolent and lethal forms of prostate cancer, it has led to a significant rate of over-diagnosis of indolent disease. Magnetic resonance imaging has been gaining an increasingly large role in the management of patients with clinically-localized prostate cancer including diagnosis in patients with abnormal PSA levels, monitoring of patients on active surveillance and staging prior to definitive interventions. MRI-based prostate cancer risk assessment has been shown to better distinguish between clinically-significant and insignificant tumors than PSA test. Therefore, a randomized controlled trial of MRI-based prostate cancer screening and PSA-based prostate cancer screening is warranted.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
1,010

participants targeted

Target at P75+ for not_applicable prostate-cancer

Timeline
Completed

Started Jun 2016

Typical duration for not_applicable prostate-cancer

Geographic Reach
1 country

1 active site

Status
unknown

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 Start

First participant enrolled

June 1, 2016

Completed
9 days until next milestone

First Submitted

Initial submission to the registry

June 10, 2016

Completed
4 days until next milestone

First Posted

Study publicly available on registry

June 14, 2016

Completed
4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2020

Completed
Last Updated

October 1, 2019

Status Verified

September 1, 2019

Enrollment Period

4 years

First QC Date

June 10, 2016

Last Update Submit

September 27, 2019

Conditions

Keywords

screeningbiopsymagnetic resonance imagingprostate specific antigen

Outcome Measures

Primary Outcomes (1)

  • Clinically-significant prostate cancer

    Gleason score greater than or equal to 7 on TRUS prostate biopsy

    Within 3 years of randomization

Secondary Outcomes (1)

  • Clinically-insignificant prostate cancer

    Within 3 years of randomizations

Study Arms (2)

Multi-parametric MRI

EXPERIMENTAL

Patients from the general population without history of previous prostate biopsy will be allocated to receive mpMRI in order to evaluate for risk of prostate cancer.

Device: Multi-parametric MRI

PSA Only

ACTIVE COMPARATOR

Patients from the general population without history of previous prostate biopsy will be allocated to receive serum PSA testing in order to evaluate for risk of prostate cancer. Patients with a serum PSA level less than 4.0 ng/mL will be managed expectantly with results provided to their primary care physician.

Other: PSA testing

Interventions

Non contrast magnetic resonance imaging using T1/T2 weighting, DWI and ADC will be performed. MRI images will be reviewed by a single uro-radiologist and assessed using the PiRADs standards.

Multi-parametric MRI

Serum prostate specific antigen (PSA) testing will be performed using a standardized laboratory assay.

PSA Only

Eligibility Criteria

Age50 Years+
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • age greater than or equal to 50 years old
  • life expectancy greater than or equal to 10 years, according to the clinical judgement of study investigators

You may not qualify if:

  • history of previous prostate biopsy
  • PSA level measurement within 3 years of recruitment date
  • abnormal digital rectal examination of the prostate consistent with prostate cancer
  • history of prostate cancer in one or more first-degree relatives diagnosed at less than 50 years of age
  • lower urinary tract voiding symptoms (IPSS greater than or equal to 8)
  • prior or current use of 5-alpha reductase inhibitor medications (finasteride or dutasteride)
  • patient unable to communicate in English in order to give proper informed consent
  • claustrophobia or other medical indication which would preclude MRI
  • any medical condition which, in the opinion of the investigator, might interfere with the evaluation of the study objectives

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Sunnybrook Health Sciences Centre

Toronto, Ontario, M4N3M5, Canada

RECRUITING

Related Publications (28)

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MeSH Terms

Conditions

Prostatic Neoplasms

Interventions

Multiparametric Magnetic Resonance Imaging

Condition Hierarchy (Ancestors)

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

Intervention Hierarchy (Ancestors)

Magnetic Resonance ImagingTomographyDiagnostic ImagingDiagnostic Techniques and ProceduresDiagnosis

Study Officials

  • Robert Nam, MD

    Sunnybrook Health Sciences Centre

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
SCREENING
Intervention Model
PARALLEL
Model Details: Intervention not a drug/biologic.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of Surgery

Study Record Dates

First Submitted

June 10, 2016

First Posted

June 14, 2016

Study Start

June 1, 2016

Primary Completion

June 1, 2020

Study Completion

June 1, 2020

Last Updated

October 1, 2019

Record last verified: 2019-09

Locations