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Study · Observational study · n = 920 · 2017

7 results

Efficacy of Testosterone Suppression with Sustained-Release Triptorelin in Advanced Prostate Cancer.

Breul J, Lundström E, Purcea D, Venetz WP, Cabri P, Dutailly P, Goldfischer ER

Advances in therapy27 Dec 2016Cited by 15 (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: CC BY-NC. Results still quote short attributed sentences.

Results from this study7

7 results from studies that gave the peptide. 7 results from people.

  1. 01HumanObservational studyEfficacy outcome

    In men with prostate cancer, triptorelin achieved testosterone below 20 ng/dl in 79%, 92%, 93%, 90%, and 91% at successive assessments.

    In plain wordsIn men with prostate cancer, most triptorelin recipients reached testosterone below the study threshold.

    Outcome
    Not applicableTestosterone below 20 ng/dl over time
    Study

    n = 920

    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · 2-12 monthsAs given in this study (human).

    Measurements

    Success rate
    79%
    1 month
    Success rate
    92%
    3 months
    Success rate
    93%
    6 months
    Success rate
    90%
    9 months
    Success rate
    91%
    12 months

    Source sentences

    Summary
    After 1, 3, 6, 9, and 12 months of treatment, 79%, 92%, 93%, 90%, and 91% of patients reached testosterone levels <20 ng/dl, respectively.
    3 context sentences
    Summary · context
    Therefore, we undertook a pooled retrospective analysis on the efficacy of 1-, 3-, and 6-month sustained-release (SR) formulations of the gonadotropin-releasing hormone (GnRH) agonist triptorelin to suppress serum testosterone concentrations beyond current standards.
    Summary · context
    Data of 920 male patients with PC enrolled in 9 prospective studies using testosterone serum concentrations as primary endpoint were pooled.
    Summary · context
    Patients were treated with triptorelin SR formulations for 2-12 months.
  2. 02HumanObservational studyEfficacy outcome

    In men with prostate cancer, the monthly triptorelin formulation achieved testosterone suppression success rates of 80-92%.

    In plain wordsIn men with prostate cancer, the monthly triptorelin formulation reached the testosterone target in most patients.

    Outcome
    Not applicableTestosterone suppression success with monthly formulation
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · 2-12 monthsAs given in this study (human).

    Measurements

    Success rate
    80 to 92%
    1-month formulation

    Source sentences

    Summary
    For the 1-, 3-, and 6-month formulations success rates ranged from 80-92%, from 83-93%, and from 65-97% with median (interquartile range) serum testosterone values of 2.9 (2.9-6.5), 5.0 (2.9-8.7), and 8.7 (5.8-14.1) ng/dl at study end, respectively.
    3 context sentences
    Summary · context
    Therefore, we undertook a pooled retrospective analysis on the efficacy of 1-, 3-, and 6-month sustained-release (SR) formulations of the gonadotropin-releasing hormone (GnRH) agonist triptorelin to suppress serum testosterone concentrations beyond current standards.
    Summary · context
    Data of 920 male patients with PC enrolled in 9 prospective studies using testosterone serum concentrations as primary endpoint were pooled.
    Summary · context
    Patients were treated with triptorelin SR formulations for 2-12 months.
  3. 03HumanObservational studyEfficacy outcome

    In men with prostate cancer, the three-month triptorelin formulation achieved success rates of 83-93%.

    In plain wordsIn men with prostate cancer, the three-month triptorelin formulation reached the testosterone target in most patients.

    Outcome
    Not applicableTestosterone suppression success with three-month formulation
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · 2-12 monthsAs given in this study (human).

    Measurements

    Success rate
    83 to 93%
    3-month formulation

    Source sentences

    Summary
    For the 1-, 3-, and 6-month formulations success rates ranged from 80-92%, from 83-93%, and from 65-97% with median (interquartile range) serum testosterone values of 2.9 (2.9-6.5), 5.0 (2.9-8.7), and 8.7 (5.8-14.1) ng/dl at study end, respectively.
    3 context sentences
    Summary · context
    Therefore, we undertook a pooled retrospective analysis on the efficacy of 1-, 3-, and 6-month sustained-release (SR) formulations of the gonadotropin-releasing hormone (GnRH) agonist triptorelin to suppress serum testosterone concentrations beyond current standards.
    Summary · context
    Data of 920 male patients with PC enrolled in 9 prospective studies using testosterone serum concentrations as primary endpoint were pooled.
    Summary · context
    Patients were treated with triptorelin SR formulations for 2-12 months.
  4. 04HumanObservational studyEfficacy outcome

    In men with prostate cancer, the six-month triptorelin formulation achieved success rates of 65-97%.

    In plain wordsIn men with prostate cancer, the six-month triptorelin formulation reached the testosterone target in most patients.

    Outcome
    Not applicableTestosterone suppression success with six-month formulation
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · 2-12 monthsAs given in this study (human).

    Measurements

    Success rate
    65 to 97%
    6-month formulation

    Source sentences

    Summary
    For the 1-, 3-, and 6-month formulations success rates ranged from 80-92%, from 83-93%, and from 65-97% with median (interquartile range) serum testosterone values of 2.9 (2.9-6.5), 5.0 (2.9-8.7), and 8.7 (5.8-14.1) ng/dl at study end, respectively.
    3 context sentences
    Summary · context
    Therefore, we undertook a pooled retrospective analysis on the efficacy of 1-, 3-, and 6-month sustained-release (SR) formulations of the gonadotropin-releasing hormone (GnRH) agonist triptorelin to suppress serum testosterone concentrations beyond current standards.
    Summary · context
    Data of 920 male patients with PC enrolled in 9 prospective studies using testosterone serum concentrations as primary endpoint were pooled.
    Summary · context
    Patients were treated with triptorelin SR formulations for 2-12 months.
  5. 05HumanObservational studyEfficacy outcome

    In men with prostate cancer, median study-end testosterone was 2.9 ng/dl with monthly triptorelin.

    In plain wordsIn men with prostate cancer, monthly triptorelin produced a low median testosterone level at study end.

    Outcome
    Not applicableStudy-end testosterone with monthly formulation
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · 2-12 monthsAs given in this study (human).

    Measurements

    Median testosterone
    2.9 ng/dl
    1-month formulation
    Testosterone interquartile range
    2.9 to 6.5 ng/dl
    1-month formulation

    Source sentences

    Summary
    For the 1-, 3-, and 6-month formulations success rates ranged from 80-92%, from 83-93%, and from 65-97% with median (interquartile range) serum testosterone values of 2.9 (2.9-6.5), 5.0 (2.9-8.7), and 8.7 (5.8-14.1) ng/dl at study end, respectively.
    3 context sentences
    Summary · context
    Therefore, we undertook a pooled retrospective analysis on the efficacy of 1-, 3-, and 6-month sustained-release (SR) formulations of the gonadotropin-releasing hormone (GnRH) agonist triptorelin to suppress serum testosterone concentrations beyond current standards.
    Summary · context
    Data of 920 male patients with PC enrolled in 9 prospective studies using testosterone serum concentrations as primary endpoint were pooled.
    Summary · context
    Patients were treated with triptorelin SR formulations for 2-12 months.
  6. 06HumanObservational studyEfficacy outcome

    In men with prostate cancer, median study-end testosterone was 5.0 ng/dl with the three-month triptorelin formulation.

    In plain wordsIn men with prostate cancer, the three-month triptorelin formulation produced a low median testosterone level at study end.

    Outcome
    Not applicableStudy-end testosterone with three-month formulation
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · 2-12 monthsAs given in this study (human).

    Measurements

    Median testosterone
    5 ng/dl
    3-month formulation
    Testosterone interquartile range
    2.9 to 8.7 ng/dl
    3-month formulation

    Source sentences

    Summary
    For the 1-, 3-, and 6-month formulations success rates ranged from 80-92%, from 83-93%, and from 65-97% with median (interquartile range) serum testosterone values of 2.9 (2.9-6.5), 5.0 (2.9-8.7), and 8.7 (5.8-14.1) ng/dl at study end, respectively.
    3 context sentences
    Summary · context
    Therefore, we undertook a pooled retrospective analysis on the efficacy of 1-, 3-, and 6-month sustained-release (SR) formulations of the gonadotropin-releasing hormone (GnRH) agonist triptorelin to suppress serum testosterone concentrations beyond current standards.
    Summary · context
    Data of 920 male patients with PC enrolled in 9 prospective studies using testosterone serum concentrations as primary endpoint were pooled.
    Summary · context
    Patients were treated with triptorelin SR formulations for 2-12 months.
  7. 07HumanObservational studyEfficacy outcome

    In men with prostate cancer, median study-end testosterone was 8.7 ng/dl with the six-month triptorelin formulation.

    In plain wordsIn men with prostate cancer, the six-month triptorelin formulation produced a low median testosterone level at study end.

    Outcome
    Not applicableStudy-end testosterone with six-month formulation
    Study

    n: not reported in source

    Analysis
    Primary
    Outcome group
    Sex hormones and fertility · Endocrine and hormones
    Studied dose
    Dose not stated · 2-12 monthsAs given in this study (human).

    Measurements

    Median testosterone
    8.7 ng/dl
    6-month formulation
    Testosterone interquartile range
    5.8 to 14.1 ng/dl
    6-month formulation

    Source sentences

    Summary
    For the 1-, 3-, and 6-month formulations success rates ranged from 80-92%, from 83-93%, and from 65-97% with median (interquartile range) serum testosterone values of 2.9 (2.9-6.5), 5.0 (2.9-8.7), and 8.7 (5.8-14.1) ng/dl at study end, respectively.
    3 context sentences
    Summary · context
    Therefore, we undertook a pooled retrospective analysis on the efficacy of 1-, 3-, and 6-month sustained-release (SR) formulations of the gonadotropin-releasing hormone (GnRH) agonist triptorelin to suppress serum testosterone concentrations beyond current standards.
    Summary · context
    Data of 920 male patients with PC enrolled in 9 prospective studies using testosterone serum concentrations as primary endpoint were pooled.
    Summary · context
    Patients were treated with triptorelin SR formulations for 2-12 months.

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

    22 Oct 2026, 02:26 UTC

    Study results updated

  2. Version 1

    21 Oct 2026, 18:59 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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