Skip to content

Study · Non-randomized trial · n = 945 · 2001

8 results

Updated results of the phase III Radiation Therapy Oncology Group (RTOG) trial 85-31 evaluating the potential benefit of androgen suppression following standard radiation therapy for unfavorable prognosis carcinoma of the prostate.

Lawton CA, Winter K, Murray K, Machtay M, Mesic JB, Hanks GE, Coughlin CT, Pilepich MV

International journal of radiation oncology, biology, physics1 Mar 2001Cited by 233 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study8

8 results from studies that gave the peptide. 8 results from people.

  1. 01HumanNon-randomized trialEfficacy outcome

    After prostate cancer radiation, local failure at 8 years was 23% with immediate goserelin versus 37% with hormones at relapse (p < 0.0001).

    In plain wordsAfter prostate cancer radiation, local failure was lower with immediate goserelin than with hormones at relapse.

    Peptide
    Goserelin
    Outcome
    DecreaseLocal failure at 8 years
    Study

    n = 945

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Measurements

    Local failure
    23%
    Arm I
    Local failure
    37%
    Arm II

    Source sentences

    Summary
    With a median follow up of 5.6 years for all patients and 6.0 years for living patients local failure at 8 years was 23% for Arm I and 37% for Arm II (p < 0.0001).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.
  2. 02HumanNon-randomized trialEfficacy outcome

    After prostate cancer radiation, distant metastasis occurred in 27% with immediate goserelin versus 37% with hormones at relapse (p < 0.0001).

    In plain wordsAfter prostate cancer radiation, distant metastasis was lower with immediate goserelin than with hormones at relapse.

    Peptide
    Goserelin
    Outcome
    DecreaseDistant metastasis
    Study

    n = 945

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Measurements

    Distant metastasis
    27%
    Arm I
    Distant metastasis
    37%
    Arm II

    Source sentences

    Summary
    Distant metastasis was likewise favorably impacted with the immediate use of hormonal manipulation with a distant metastasis rate in Arm I of 27% and 37% in Arm II (p < 0.0001).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.
  3. 03HumanNon-randomized trialEfficacy outcome

    After prostate cancer radiation, immediate goserelin improved disease-free survival versus hormones at relapse (p < 0.0001).

    In plain wordsAfter prostate cancer radiation, immediate goserelin improved disease-free survival versus hormones at relapse.

    Peptide
    Goserelin
    Outcome
    IncreaseDisease-free survival
    Study

    n = 945

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Source sentences

    Summary
    Disease-free survival (NED survival) and NED survival with PSA of 1.5 ng/mL (bNED) or less were both statistically significant in favor of the immediate hormone arm (both p < 0.0001).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.
  4. 04HumanNon-randomized trialEfficacy outcome

    After prostate cancer radiation, immediate goserelin improved NED survival with PSA at or below 1.5 ng/mL versus hormones at relapse (p < 0.0001).

    In plain wordsAfter prostate cancer radiation, immediate goserelin improved biochemical disease-free survival versus hormones at relapse.

    Peptide
    Goserelin
    Outcome
    IncreaseBiochemical disease-free survival
    Study

    n = 945

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Tumor growth · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Source sentences

    Summary
    Disease-free survival (NED survival) and NED survival with PSA of 1.5 ng/mL (bNED) or less were both statistically significant in favor of the immediate hormone arm (both p < 0.0001).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.
  5. 05HumanNon-randomized trialEfficacy outcome

    After prostate cancer radiation, cause-specific failure was 16% with immediate goserelin versus 21% with hormones at relapse (p = 0.23).

    In plain wordsAfter prostate cancer radiation, cause-specific failure did not differ significantly between immediate goserelin and hormones at relapse.

    Peptide
    Goserelin
    Outcome
    No significant changeCause-specific failure
    Study

    n = 945

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Mortality · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Measurements

    Cause-specific failure
    16%
    Arm I
    Cause-specific failure
    21%
    Arm II

    Source sentences

    Summary
    Cause-specific failure was not statistically different with a cause-specific failure of 16% for Arm I and 21% in Arm II (p = 0.23).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.
  6. 06HumanNon-randomized trialEfficacy outcome

    After prostate cancer radiation, overall survival at 8 years was 49% with immediate goserelin versus 47% with hormones at relapse (p = 0.36).

    In plain wordsAfter prostate cancer radiation, overall survival did not differ significantly between immediate goserelin and hormones at relapse.

    Peptide
    Goserelin
    Outcome
    No significant changeOverall survival at 8 years
    Study

    n = 945

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Mortality · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Measurements

    Overall survival
    49%
    Arm I
    Overall survival
    47%
    Arm II

    Source sentences

    Summary
    Overall survival was likewise not statistically different between two arms, with a 49% overall survival at 8 years in Arm I and 47% in Arm II (p = 0.36).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.
  7. 07HumanNon-randomized trialEfficacy outcome

    In centrally reviewed Gleason 8-10 patients without prostatectomy, immediate goserelin after radiation improved absolute survival versus hormones at relapse (p = 0.036).

    In plain wordsIn Gleason 8-10 patients without prostatectomy, immediate goserelin after radiation improved absolute survival versus hormones at relapse.

    Peptide
    Goserelin
    Outcome
    IncreaseAbsolute survival in Gleason 8-10 subgroup
    Study

    n: not reported in source

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Mortality · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Source sentences

    Summary
    Subset analysis of centrally reviewed Gleason 8-10 patients who did not undergo prostatectomy showed that for patients receiving radiation therapy plus adjuvant hormones there was a statistically significant improvement in both absolute (p = 0.036) and cause-specific survival (p = 0.019).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.
  8. 08HumanNon-randomized trialEfficacy outcome

    In centrally reviewed Gleason 8-10 patients without prostatectomy, immediate goserelin after radiation improved cause-specific survival versus hormones at relapse (p = 0.019).

    In plain wordsIn Gleason 8-10 patients without prostatectomy, immediate goserelin after radiation improved cause-specific survival versus hormones at relapse.

    Peptide
    Goserelin
    Outcome
    IncreaseCause-specific survival in Gleason 8-10 subgroup
    Study

    n: not reported in source

    Comparator
    radiation alone with hormones at relapse
    Outcome group
    Mortality · Cancer
    Studied dose
    Dose not stated · long-termAs given in this study (human).

    Source sentences

    Summary
    Subset analysis of centrally reviewed Gleason 8-10 patients who did not undergo prostatectomy showed that for patients receiving radiation therapy plus adjuvant hormones there was a statistically significant improvement in both absolute (p = 0.036) and cause-specific survival (p = 0.019).
    2 context sentences
    Summary · context
    In 1987 the RTOG initiated a Phase III trial of long-term adjuvant goserelin in definitively irradiated patients with carcinoma of the prostate.
    Summary · context
    A total of 977 patients were accrued to the study of which 945 remain analyzable: 477 on the adjuvant hormone arm (Arm I); and 468 on the radiation only arm (Arm II) with hormones initiated at relapse.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    28 Oct 2026, 02:03 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:35 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.