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VA Cooperative Studies Program (CSP)

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CSP #719-B: Early Stage Prostate Cancer Cohort Study


Investigator Access

What's Available

Check with the study contact and publications for information on a public dataset, data archive, data enclave, or website where data might be available

Available Documentation

Dates Data are Available

Access Criteria

Study Characteristics


To establish an observational cohort of patients with early stage prostate cancer who elect not to undergo radical prostatectomy or radiation therapy to evaluate risk factors which predict the transformation of early stage to clinically aggressive disease.

Era of Service



Men diagnosed with early-stage prostate cancer within two and a half years prior to enrollment

Study Design 

Prospective cohort

Time Period 

January 2001 - January 2006




1,037 participants (Source: Farewell, et al., 2011)

Response Rate


Recruitment Method    

Participants were identified at 16 sites throughout the VA Healthcare System.



Data Collected

  • Demographics
  • Height and weight
  • Medical history
  • Potential risk factors for prostate cancer progression such as smoking history and family history of prostate cancer
  • Reasons prostate cancer had been suspected prior to a diagnosis
  • Prostate cancer mortality data
  • Biopsy Gleason score

Data Collection Methods

  • Questionnaire
  • Electronic medical records

Funding Source

VA Cooperative Studies Program (CSP)


Study Chair: Michael J. Gaziano, MD


Selected Publication 

Farwell WR, Lourenco C, Holmberg E, Hall RB, D'Avolio L, Lawler EV, Michael Gaziano J. The association between height and prostate cancer grade in the Early Stage Prostate Cancer Cohort Study. Cancer Causes Control. 2011 Oct;22(10):1453-9.

More Information

  • Study site
  • Identifier: NCT00011349
  • Dimensions for VA summary (Requires an account to access outside the VA network. Dimensions for VA is a database that connects publications, grants, patents, clinical trials, and policy documents)