Percentage of Participants Free From Progression (FFP) at 5 Years
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 70.3 |
| PBRT + STAD | 81.3 |
| PLNRT + PBRT + STAD | 87.4 |
Trial · Interventional
Status unknownPhase 3Results postedRegistry dataUnited States, Canada, China, Israel
1 trial · 1 with posted results
Prostate Radiation Therapy or Short-Term Androgen Deprivation Therapy and Pelvic Lymph Node Radiation Therapy With or Without Prostate Radiation Therapy in Treating Patients With a Rising Prostate Specific Antigen (PSA) After Surgery for Prostate Cancer
NCT00567580Feb 2008 to 12 Jul 2018 (primary)
Text and fields below are the sponsor's entries at ClinicalTrials.gov, shown as posted.
RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Androgens can cause the growth of prostate cancer cells. Antihormone therapy, such as flutamide, bicalutamide, and luteinizing hormone-releasing hormone agonist, may lessen the amount of androgens made by the body. It is not yet known which regimen of radiation therapy with or without androgen-deprivation therapy is more effective for prostate cancer. PURPOSE: This randomized phase III trial is studying prostate radiation therapy to see how well it works compared with short-term androgen deprivation therapy given together with pelvic lymph node radiation therapy with or without prostate radiation therapy in treating patients with a rising PSA after surgery for prostate cancer.
Active comparator
PBRT Alone
Prostate bed radiotherapy (PBRT) begins within 6 weeks (+/- 2 weeks) after registration.
Experimental
PBRT + STAD
Prostate bed radiotherapy (PBRT) and short term androgen deprivation therapy (STAD) consisting of antiandrogen (AA) and luteinizing hormone-releasing hormone (LHRH) agonist therapy begins within 6 weeks (+/- 2 weeks) after registration. STAD starts first, 2 months (+/- 2 weeks) before radiotherapy (RT), and lasts for 4-6 months. LHRH can last 4-6 months. AA starts at the same time as LHRH (or up to 2 weeks prior ), lasts approximately 4 months, and should end on the last day of RT (+/- 2 weeks).
Experimental
PLNRT + PBRT + STADT
Pelvic lymph node radiotherapy (PLNRT), prostate bed radiotherapy (PBRT), and short term androgen deprivation therapy (STAD) consisting of antiandrogen (AA) and luteinizing hormone-releasing hormone (LHRH) agonist therapy begins within 6 weeks (+/- 2 weeks) after registration. STAD starts first, 2 months (+/- 2 weeks) before RT, and lasts for 4-6 months. LHRH can last 4-6 months. AA starts at the same time as LHRH (or up to 2 weeks prior ), lasts approximately 4 months, and should end on the last day of RT (+/- 2 weeks).
Outcomes the sponsor listed as primary.
Percentage of Participants Free From Progression (FFP) at 5 Years
Time frame · From randomization to five years.
Progression is defined as the first occurrence of the following events: biochemical failure by the Phoenix definition (prostate-specific antigen \[PSA\] ≥ 2 ng/ml over the nadir PSA), clinical failure (local, regional or distant), or death from any cause. The initiation of second salvage therapy before progression was a protocol violation and resulted in censoring. Progression time is defined as time from randomization to the date of progression, second salvage therapy (censored), or last known follow-up (censored). Freedom from progression rates are estimated using the Kaplan-Meier method. The study was designed for the final analysis to occur after all participants had been on study for at least 5 years, but results were reported early. See Limitations and Caveats section.
Percentage of Participants With Secondary Biochemical Failure (Alternative Biochemical Failure)
Time frame · From randomization to last follow-up. Maximum follow-up at time of analysis was 10.5 years.
Secondary biochemical (failure) is defined as either of two occurrences: 1. For detectable post-baseline PSA values (≥ 0.1), the first occurrence of a PSA value that is both ≥ 0.4 and a second rise above nadir; 2.The start of second salvage therapy. Failure time is defined as time from randomization to the date of failure, death (competing risk), or last known follow-up (censored). Failure rates for data summary are estimated using the cumulative incidence method, with 5-year rates provided here. Pairwise comparisons of the distributions of failure times, reported in the statistical analysis section, use cause-specific hazard rates for which deaths are censored. The study was designed for the final analysis to occur after all participants had been on study for at least 5 years, but results were reported early. See Limitations and Caveats section.
Percentage of Participants Free From Hormone-refractory Disease (Castrate-resistant Disease)
Time frame · From randomization to last follow-up. Maximum follow-up at time of analysis was 10.5 years.
Hormone-refractory disease (failure) is defined as three rises in PSA after the start of second salvage androgen deprivation therapy. Failure time is defined as time from randomization to the date of failure, death (competing risk), or last known follow-up (censored). Failure rates for data summary are estimated using the cumulative incidence method, with 5-year rates provided here. Pairwise comparisons of the distributions of failure times, reported in the statistical analysis section, use cause-specific hazard rates for which deaths are censored. The study was designed for the final analysis to occur after all participants had been on study for at least 5 years, but the data monitoring committee decided to release results after the third interim analysis.
Percentage of Participants With Local Failure
Time frame · From randomization to last follow-up. Maximum follow-up at time of analysis was 10.5 years.
Local failure is defined as first occurrence of local clinical progression. Failure time is defined as time from randomization to the date of failure, death (competing risk), or last known follow-up (censored). Failure rates for data summary are estimated using the cumulative incidence method, with 5-year rates provided here. Pairwise comparisons of the distributions of failure times, reported in the statistical analysis section, use cause-specific hazard rates for which deaths are censored. The study was designed for the final analysis to occur after all participants had been on study for at least 5 years, but the data monitoring committee decided to release results after the third interim analysis.
Percentage of Participants With Distant Metastasis
Time frame · From randomization to last follow-up. Maximum follow-up at time of analysis was 10.5 years.
Distant metastasis (failure) is defined as the occurrence of distant metastasis determined by imaging. Failure time is defined as time from randomization to the date of failure, death (competing risk), or last known follow-up (censored). Failure rates for data summary are estimated using the cumulative incidence method, with 5-year rates provided here. Pairwise comparisons of the distributions of failure times, reported in the statistical analysis section, use cause-specific hazard rates for which deaths are censored. The study was designed for the final analysis to occur after all participants had been on study for at least 5 years, but the data monitoring committee decided to release results after the third interim analysis.
Percentage of Participants Who Died Due to Prostate Cancer (Cause-specific Mortality)
Time frame · From randomization to last follow-up. Maximum follow-up at time of analysis was 10.5 years.
Cause-specific mortality (failure) is defined as death due to prostate cancer or complications of protocol treatment (centrally reviewed), or death following disease progression (clinical or biochemical) in the absence of or after the initiation of any salvage therapy. \[Biochemical progression is indicated by any rise in PSA.\] Failure time is defined as time from randomization to the date of failure, death (competing risk), or last known follow-up (censored). Failure rates for data summary are estimated using the cumulative incidence method, with 5-year rates provided here. Pairwise comparisons of the distributions of failure times, reported in the statistical analysis section, use cause-specific hazard rates for which deaths are censored. The study was designed for the final analysis to occur after all participants had been on study for at least 5 years, but the data monitoring committee decided to release results after the third interim analysis.
Percentage of Participants Alive (Overall Mortality)
Time frame · From randomization to last follow-up. Maximum follow-up at time of analysis was 10.5 years.
Survival time is defined as time from randomization to the date of death from any cause or last known follow-up (censored). Survival rates are estimated by the Kaplan-Meier method. Pairwise comparisons of the overall distributions of failure times are reported in statistical analysis section, with five-year rates reported here. The study was designed for the final analysis to occur after all participants had been on study for at least 5 years, but the data monitoring committee decided to release results after the third interim analysis.
Percentage of Participants Experiencing Grade 2+ and 3+ Adverse Events ≤ 90 Days of the Completion of Radiotherapy (RT)
Time frame · From randomization to 90 days after completion of radiotherapy (approximately 7-8 weeks).
Common Terminology Criteria for Adverse Events (version 3.0) grades adverse event severity from 1=mild to 5=death. Summary data is provided in this outcome measure; see Adverse Events Module for specific adverse event data. Pairwise comparisons of Arm 2 vs Arm 1 and Arm 3 vs. Arm 2 are reported in the statistical analysis.
Percentage of Participants Experiencing Late Grade 2+ and 3+ Adverse Events > 90 Days From the Completion of Radiotherapy (RT)
Time frame · AE: from 91 days after completion of RT (approximately 7-8 weeks) to last follow-up. Vital status: from randomization to last follow-up. Maximum follow-up at time of analysis was 10.5 years.
Common Terminology Criteria for Adverse Events (version 3.0) grades adverse event severity from 1=mild to 5=death. Late adverse events (AE) are defined as occurring \> 90 days from the completion of RT. Failure time is defined as time from randomization to the date of first late grade 2 or grade 3 adverse event, death (competing risk), or last known follow-up (censored). Failure rates for data summary are estimated using the cumulative incidence method, with 5-year rates provided here. Pairwise comparisons of the distributions of failure times between Arm 2 and Arm 1 and between Arm 3 and Arm 2, reported in the statistical analysis section, use cause-specific hazard rates for which deaths are censored.
Comparison of Disease-specific Health Related Quality of Life (HRQOL) Change by the Expanded Prostate Cancer Index Composite (EPIC), Hopkins Verbal Learning Test Revised (HVLT-R), Trail Making Test A & B, and Controlled Oral Word Association Test (COWAT)
Time frame · From the 6th week of radiation therapy to 5 years post radiation therapy.
Assessment of Mood and Depression Change Using QOL Measured by the Hopkins Symptom Checklist (HSCL-25)
Time frame · From the 6th week of radiation therapy to 5 years post radiation therapy.
Assessment and Comparison of Quality Adjusted Life Year (QALY) and Quality Adjusted FFP Year (QAFFPY)
Time frame · From the 6th week of radiation therapy to 5 years post radiation therapy.
Evaluation and Comparison of the Cost-utility Using EuroQoL - 5 Dimensions (EQ-5D)
Time frame · From the 6th week of radiation therapy to 5 years post radiation therapy.
Prognostic Value of Genomic and Proteomic Markers for the Primary and Secondary Clinical Endpoints
Time frame · Date of randomization to timepoint of the respective primary or secondary endpoint.
Assessment of the Relationship(s) Between the American Urological Association Symptom Index (AUA SI) and Urinary Morbidity (Adverse Event Terms: Urinary Frequency/Urgency) Using the CTCAE v. 3.0 Grading System
Time frame · From the 6th week of radiation therapy to 5 years post radiation therapy.
Values are shown as posted at ClinicalTrials.gov, with their units. PepBank has not converted, pooled or compared them.
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 70.3 |
| PBRT + STAD | 81.3 |
| PLNRT + PBRT + STAD | 87.4 |
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 35.7 |
| PBRT + STAD | 22.3 |
| PLNRT + PBRT + STAD | 14.5 |
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 2.9 |
| PBRT + STAD | 2.4 |
| PLNRT + PBRT + STAD | 1.2 |
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 3.1 |
| PBRT + STAD | 1.2 |
| PLNRT + PBRT + STAD | 0.4 |
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 8.3 |
| PBRT + STAD | 5.9 |
| PLNRT + PBRT + STAD | 4.7 |
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 2.7 |
| PBRT + STAD | 1.1 |
| PLNRT + PBRT + STAD | 0.8 |
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 93.9 |
| PBRT + STAD | 96.1 |
| PLNRT + PBRT + STAD | 95.7 |
| Group | Value (percentage of participants) |
|---|---|
| PBRT Alone | 18.8 |
| PBRT + STAD | 36.3 |
| PLNRT + PBRT + STAD | 43.6 |
| Group | Deaths | Serious events | Other events |
|---|---|---|---|
| PBRT AloneProstate bed radiotherapy (PBRT) begins within 6 weeks (+/- 2 weeks) after registration. | 48 / 547 | 18 / 547 | 433 / 547 |
| PBRT + STADTProstate bed radiotherapy (PBRT) and short term androgen deprivation therapy (STADT) consisting of antiandrogen (AA) and luteinizing hormone-releasing hormone (LHRH) agonist therapy begins within 6 weeks (+/- 2 weeks) after registration. STADT starts first, 2 months (+/- 2 weeks) before radiotherapy (RT), and lasts for 4-6 months. LHRH can last 4-6 months. AA starts at the same time as LHRH (or up to 2 weeks prior ), lasts approximately 4 months, and should end on the last day of RT (+/- 2 weeks). | 43 / 563 | 29 / 563 | 492 / 563 |
| PLNRT + PBRT + STADTPelvic lymph node radiotherapy (PLNRT), prostate bed radiotherapy (PBRT), and short term androgen deprivation therapy (STADT) consisting of antiandrogen (AA) and luteinizing hormone-releasing hormone (LHRH) agonist therapy begins within 6 weeks (+/- 2 weeks) after registration. STADT starts first, 2 months (+/- 2 weeks) before RT, and lasts for 4-6 months. LHRH can last 4-6 months. AA starts at the same time as LHRH (or up to 2 weeks prior ), lasts approximately 4 months, and should end on the last day of RT (+/- 2 weeks). | 43 / 563 | 23 / 563 | 509 / 563 |
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