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Clinical Trials (PDQ®)

Radiation Therapy After Prostatectomy in Treating Patients With Stage III Prostate Cancer

Basic Trial Information
Trial Description
     Summary
     Further Trial Information
     Eligibility Criteria
Trial Contact Information

Basic Trial Information

PhaseTypeStatusAgeSponsorProtocol IDs
Phase IIITreatmentCompletedAny ageNCINCI-2012-02483
SWOG-8794, CAN-NCIC-PR2, CLB-9493, EST-9887, NCCTG-895251, RTOG-9019, INT-0086, CDR0000075112, PR2, NCT00394511

Trial Description

Summary

Randomized phase III trial to compare treatment with or without adjuvant radiation therapy in men with stage III prostate cancer who have had radical prostatectomy and lymphadenectomy recently. Radiation therapy uses high-energy x-rays to damage tumor cells and may be an effective treatment for prostate cancer.

Further Study Information

OBJECTIVES:

I. Compare disease-free survival rates of patients randomly assigned to adjuvant external-beam radiotherapy vs. no adjuvant therapy following radical prostatectomy and pelvic lymphadenectomy for surgical Stage C (T3 N0 M0) adenocarcinoma of the prostate.

II. Determine the qualitative and quantitative toxicities associated with this adjuvant therapy.

OUTLINE: Randomized study. Randomization takes place when the patient is physically able to begin treatment, any time within 16 weeks after surgery.

Arm I: Radiotherapy. Irradiation of the prostatic bed using megavoltage equipment with effective photon energies of greater than 4 MV.

Arm II: No further treatment.

Eligibility Criteria

PROTOCOL ENTRY CRITERIA:

--Disease Characteristics--

  • Pathologically documented Stage C (T3 N0 M0) adenocarcinoma of the prostate following radical prostatectomy and pelvic lymphadenectomy for clinical Stage A/B disease
  • Ineligible for SWOG protocols of higher priority
  • At least 1 of the following on pathologic examination:
  • Presence of cancer in the seminal vesicles
  • Evidence of cancer at the inked surgical margin of the prostate
  • Extension of tumor beyond the prostatic capsule
  • Negative preoperative metastatic survey within 6 months prior to registration, including the following:
  • Normal bone scan
  • No palpable evidence of extraprostatic tumor extension
  • Bilateral lymph node dissection histologically negative for cancer
  • Nodal sampling not required with the following stage/biopsy specimen Gleason score/preoperative PSA:
  • Stage T1a/2-6/<10 ng/ml
  • Stage T1b-c/2-5/<10 ng/ml
  • Stage T2a/2-6/<10 ng/ml
  • Stage T2b/2-6/<6 ng/ml
  • Stage T2c/2-6/<4 ng/ml
  • Free from the following postoperative complications:
  • Total urinary incontinence
  • Intraoperative rectal injury
  • persistent urinary extravasation
  • Pelvic infection
  • Concurrent registration on protocol SWOG-9205 (serum repository protocol) optional
  • Concurrent registration on protocol SWOG-8994 (quality-of-life study) required of English-speaking and Spanish-speaking patients enrolled by SWOG

--Patient Characteristics--

  • Age: Any age
  • Performance status: SWOG 0-2
  • Life expectancy: At least 2 years
  • Hematopoietic:
  • WBC at least institutional LLN
  • Platelets at least institutional LLN
  • Hepatic: SGOT no more than 2 x ULN
  • Other: No second malignancy within 5 years except adequately treated nonmelanomatous skin cancer

--Prior Concurrent Therapy--

  • Chemotherapy: No prior chemotherapy for prostate cancer
  • Endocrine therapy: No more than 3 months of hormonal therapy prior to prostatectomy allowed
  • Radiotherapy: No prior radiotherapy for prostate cancer
  • Surgery: Radical prostatectomy and pelvic lymphadenectomy within 16 weeks prior to registration required

Trial Contact Information

Trial Lead Organizations/Sponsors

National Cancer Institute

Southwest Oncology Group

NCIC-Clinical Trials Group

Cancer and Leukemia Group B

Eastern Cooperative Oncology Group

North Central Cancer Treatment Group

Radiation Therapy Oncology Group

Link to the current ClinicalTrials.gov record.
NLM Identifer NCT00394511
ClinicalTrials.gov processed this data on October 17, 2013

Note: Information about this trial is from the ClinicalTrials.gov database. The versions designated for health professionals and patients contain the same text. Minor changes may be made to the ClinicalTrials.gov record to standardize the names of study sponsors, sites, and contacts. Cancer.gov only lists sites that are recruiting patients for active trials, whereas ClinicalTrials.gov lists all sites for all trials. Questions and comments regarding the presented information should be directed to ClinicalTrials.gov.

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