The Predictive Value of Coexisting TMPRSS2-ERG Gene Fusion and PTEN Deletion in Prostate Cancer Patients With Biochemical Failure Status Post Salvage or Radical Radiation Therapy

Official Title

The Predictive Value of Coexisting TMPRSS2-ERG Gene Fusion and PTEN Deletion in Prostate Cancer Patients With Biochemical Failure Status Post Salvage or Radical Radiation Therapy

Summary:

The objective of the study is to evaluate the predictive value of TMPRSS2-ERG gene fusion and PTEN in patients with high risk prostate cancer treated with first line LHRH agonist after biochemical failure.

Trial Description

Primary Outcome:

  • Number of patients with biochemical failure showing coexistence of PTEN and TMPRSS2-ERG gene fusion.
The objective of the study is to evaluate the predictive value of TMPRSS2-ERG gene fusion and PTEN in patients with high risk prostate cancer treated with first line LHRH agonist after biochemical failure. Patients in this study will be treated with standard hormonal treatment. Patients will remain on treatment regardless of rising PSA. PSA, other systemic therapy maybe added and the patients with oligometastasis could be treated with radiation therapy; this would be at the discretion of the treating oncologist. The primary endpoint of this study is to determine the predictive value of TMPRSS2-ERG gene fusion and PTEN in hormonal refractory free survival and clinical progression rate in three years. The secondary endpoints are to evaluate the relation between Gleason score and TMPRSS2-ERG gene fusion and PTEN independently and together, the relation between T stage and TMPRSS2-ERG gene fusion and PTEN independently and together, and to determine the association of these markers with overall survival.

View this trial on ClinicalTrials.gov

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Resources

Canadian Cancer Society

These resources are provided in partnership with the Canadian Cancer Society