Skip to content

Study · Randomized controlled trial · n = 90 · 2018

6 results

A Phase II, Randomized, Multicenter Study Comparing 10 Months versus 4 Months of Degarelix Therapy in Prolonging the Off Treatment Interval in Men with Localized Prostate Cancer Receiving Intermittent Androgen Deprivation Therapy for Biochemical Recurrence following Radical Local Therapy.

Klotz L, Loblaw A, Siemens R, Ouellette P, Kapoor A, Kebabdjian M, Zhang L, Saad F

The Journal of urology11 Mar 2018Cited by 7 (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 study6

6 results from studies that gave the peptide. 6 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In men with recurrent prostate cancer, time off treatment did not differ after 10 versus 4 months of degarelix.

    In plain wordsIn men with recurrent prostate cancer, time off treatment did not differ after 10 versus 4 months of degarelix.

    Peptide
    Degarelix
    Outcome
    No significant changeTime off treatment
    Study

    n = 90

    Comparator
    4 months of degarelix
    Outcome group
    Treatment-free interval · Cancer
    Studied dose
    240 mg initially, then 80 mg per month · 4 months versus 10 months of monthly degarelixAs given in this study (human).

    Measurements

    Hazard ratio
    1.51 ratio
    95% CI 0.60-3.84; p=0.38

    Source sentences

    Summary
    There was no difference between the 2 treatment groups in time off treatment (HR 1.51, 95% CI 0.60-3.84, p = 0.38).
    4 context sentences
    Summary · context
    This was a prospective, randomized, open label study.
    Summary · context
    Men with biochemical recurrence after local therapy for prostate cancer and a negative bone scan were randomized to 4 and 10 months of monthly degarelix.
    Summary · context
    The first dose was 240 mg and subsequent doses were 80 mg per month.
    Summary · context
    A total of 90 patients were randomized, including 43 to 4 months and 47 to 10 months of treatment.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In men with recurrent prostate cancer, testosterone recovery time did not differ significantly after 10 versus 4 months of degarelix.

    In plain wordsIn men with recurrent prostate cancer, testosterone recovery time did not differ significantly after 10 versus 4 months of degarelix.

    Peptide
    Degarelix
    Outcome
    No significant changeTime to testosterone recovery
    Study

    n = 90

    Comparator
    4 months of degarelix
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    240 mg initially, then 80 mg per month · 4 months versus 10 months of monthly degarelixAs given in this study (human).

    Measurements

    Median recovery time
    8.05 months
    10-month arm; 95% CI 4.34-39.89; threshold 8.0 nmol/l
    Median recovery time
    6.24 months
    4-month arm; 95% CI 5.45-15.90
    P value
    0.8392 NA
    log rank test

    Source sentences

    Summary
    Actuarial median time to testosterone recovery to 8.0 nmol/l or greater was 8.05 months (95% CI 4.34-39.89) in the 10-month treatment arm and 6.24 months (95% CI 5.45-15.90) in the 4-month treatment arm.
    5 context sentences
    Summary · context
    The log rank test showed no statistical significance between the 2 treatment groups in time to testosterone recovery (p = 0.8392).
    Summary · context
    This was a prospective, randomized, open label study.
    Summary · context
    Men with biochemical recurrence after local therapy for prostate cancer and a negative bone scan were randomized to 4 and 10 months of monthly degarelix.
    Summary · context
    The first dose was 240 mg and subsequent doses were 80 mg per month.
    Summary · context
    A total of 90 patients were randomized, including 43 to 4 months and 47 to 10 months of treatment.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In men with recurrent prostate cancer, testosterone recovery rates did not differ after 10 versus 4 months of degarelix.

    In plain wordsIn men with recurrent prostate cancer, testosterone recovery rates did not differ after 10 versus 4 months of degarelix.

    Peptide
    Degarelix
    Outcome
    No significant changeTestosterone recovery rate
    Study

    n = 90

    Comparator
    4 months of degarelix
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    240 mg initially, then 80 mg per month · 4 months versus 10 months of monthly degarelixAs given in this study (human).

    Source sentences

    Summary
    There was no difference in the testosterone recovery rate between the 2 arms.
    4 context sentences
    Summary · context
    This was a prospective, randomized, open label study.
    Summary · context
    Men with biochemical recurrence after local therapy for prostate cancer and a negative bone scan were randomized to 4 and 10 months of monthly degarelix.
    Summary · context
    The first dose was 240 mg and subsequent doses were 80 mg per month.
    Summary · context
    A total of 90 patients were randomized, including 43 to 4 months and 47 to 10 months of treatment.
  4. 04HumanRandomized controlled trialSafety outcome

    In men with recurrent prostate cancer, quality of life suffered less after 4 than 10 months of degarelix.

    In plain wordsIn men with recurrent prostate cancer, quality of life suffered less after 4 than 10 months of degarelix.

    Peptide
    Degarelix
    Outcome
    DecreaseQuality of life at treatment end
    Study

    n = 90

    Comparator
    10 months of degarelix
    Outcome group
    Quality of life · Whole body
    Studied dose
    240 mg initially, then 80 mg per month · 4 months versus 10 months of monthly degarelixAs given in this study (human).

    Source sentences

    Summary
    There was a lesser adverse effect on quality of life at the end of treatment in the 4-month than in the 10-month arm.
    4 context sentences
    Summary · context
    This was a prospective, randomized, open label study.
    Summary · context
    Men with biochemical recurrence after local therapy for prostate cancer and a negative bone scan were randomized to 4 and 10 months of monthly degarelix.
    Summary · context
    The first dose was 240 mg and subsequent doses were 80 mg per month.
    Summary · context
    A total of 90 patients were randomized, including 43 to 4 months and 47 to 10 months of treatment.
  5. 05HumanObservational studyEfficacy outcome

    Among men receiving intermittent degarelix for recurrent prostate cancer, those younger than 65 years had a shorter off-treatment interval.

    In plain wordsAmong men receiving degarelix for recurrent prostate cancer, age below 65 was linked to a shorter off-treatment interval.

    Peptide
    Degarelix
    Outcome
    DecreaseOff-treatment interval by age
    Study

    n: not reported in source

    Comparator
    Men aged 65 years or older receiving degarelix
    Outcome group
    Treatment-free interval · Cancer
    Studied dose
    240 mg initially, then 80 mg per monthAs given in this study (human).

    Source sentences

    Summary
    Men younger than 65 years had a considerably shorter interval off treatment and time to testosterone recovery.
    4 context sentences
    Summary · context
    This was a prospective, randomized, open label study.
    Summary · context
    Men with biochemical recurrence after local therapy for prostate cancer and a negative bone scan were randomized to 4 and 10 months of monthly degarelix.
    Summary · context
    The first dose was 240 mg and subsequent doses were 80 mg per month.
    Summary · context
    A total of 90 patients were randomized, including 43 to 4 months and 47 to 10 months of treatment.
  6. 06HumanObservational studyEfficacy outcome

    Among men receiving intermittent degarelix for recurrent prostate cancer, those younger than 65 years had a shorter time to testosterone recovery.

    In plain wordsAmong men receiving degarelix for recurrent prostate cancer, age below 65 was linked to faster testosterone recovery.

    Peptide
    Degarelix
    Outcome
    DecreaseTestosterone recovery time by age
    Study

    n: not reported in source

    Comparator
    Men aged 65 years or older receiving degarelix
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    240 mg initially, then 80 mg per monthAs given in this study (human).

    Source sentences

    Summary
    Men younger than 65 years had a considerably shorter interval off treatment and time to testosterone recovery.
    4 context sentences
    Summary · context
    This was a prospective, randomized, open label study.
    Summary · context
    Men with biochemical recurrence after local therapy for prostate cancer and a negative bone scan were randomized to 4 and 10 months of monthly degarelix.
    Summary · context
    The first dose was 240 mg and subsequent doses were 80 mg per month.
    Summary · context
    A total of 90 patients were randomized, including 43 to 4 months and 47 to 10 months of treatment.

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, 16:34 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.