Skip to content

Study · Randomized controlled trial · n = 40 · 2009

7 results

[Long GnRH agonist vs. GnRH antagonist protocol in randomized controlled trial in unselected patients--hormonal and cycle characteristics--pilot study].

Streda R, Mardesic T, Sobotka V, Tosner J

Ceska gynekologie1 Apr 2009Cited by 3 (Europe PMC)

PMID19514651 (opens in a new tab)PepBankPUB-19514651

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 study7

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

  1. 01HumanRandomized controlled trialEfficacy outcome

    In unselected patients, day 5 estradiol was 385 +/- 293 pg/ml with cetrorelix versus 269 +/- 243 with triptorelin.

    In plain wordsIn unselected patients, day 5 estradiol was higher with cetrorelix than triptorelin; significance was not stated.

    Peptide
    Cetrorelix
    Outcome
    IncreaseEstradiol on day 5
    Study

    n = 40

    Comparator
    Triptorelin 0.1 mg
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.25 mgAs given in this study (human).

    Measurements

    Estradiol on day 5, mean
    385 pg/ml
    cetrorelix group; SD 293
    Estradiol on day 5, mean
    269 pg/ml
    triptorelin group; SD 243

    Source sentences

    Summary
    We proved E2 on day 5 (pg/ml) 269 +/- 243 vs. 385 +/- 293
    4 context sentences
    Summary · context
    Randomized prospective pilot study.
    Summary · context
    From January 2006 to June 2006 we randomized 40 unselected patients into GnRH agonist (triptorelin 0.1 mg) and GnRH antagonist (cetrorelix 0.25 mg) group.
    Summary · context
    We randomized 21 patients in GnRH agonist and 19 patients in GnRH antagonist group.
    Summary · context
    in GnRH agonist vs. GnRH antagonist group, resp.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In unselected patients, day 5 LH was 2.8 +/- 1.4 IU/l with cetrorelix versus 1.7 +/- 1.2 with triptorelin.

    In plain wordsIn unselected patients, day 5 LH was higher with cetrorelix than triptorelin; significance was not stated.

    Peptide
    Cetrorelix
    Outcome
    IncreaseLH on day 5
    Study

    n = 40

    Comparator
    Triptorelin 0.1 mg
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.25 mgAs given in this study (human).

    Measurements

    LH on day 5, mean
    2.8 IU/l
    cetrorelix group; SD 1.4
    LH on day 5, mean
    1.7 IU/l
    triptorelin group; SD 1.2

    Source sentences

    Summary
    LH on day 5 (IU/l) 1.7 +/- 1.2 vs. 2.8 +/- 1.4
    4 context sentences
    Summary · context
    Randomized prospective pilot study.
    Summary · context
    From January 2006 to June 2006 we randomized 40 unselected patients into GnRH agonist (triptorelin 0.1 mg) and GnRH antagonist (cetrorelix 0.25 mg) group.
    Summary · context
    We randomized 21 patients in GnRH agonist and 19 patients in GnRH antagonist group.
    Summary · context
    in GnRH agonist vs. GnRH antagonist group, resp.
  3. 03HumanRandomized controlled trialEfficacy outcome

    In unselected patients, hCG-day estradiol was lower with cetrorelix: 1397 +/- 1076 versus 1548 +/- 1167 pg/ml (p < 0.05).

    In plain wordsIn unselected patients, estradiol on the hCG day was lower with cetrorelix than triptorelin.

    Peptide
    Cetrorelix
    Outcome
    DecreaseEstradiol on hCG day
    Study

    n = 40

    Comparator
    Triptorelin 0.1 mg
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.25 mgAs given in this study (human).

    Measurements

    Estradiol on hCG day, mean
    1397 pg/ml
    cetrorelix group; SD 1076
    Estradiol on hCG day, mean
    1548 pg/ml
    triptorelin group; SD 1167

    Source sentences

    Summary
    E2 on the day of hCG administration (pg/ml) 1548 +/- 1167 vs. 1397 +/- 1076 (p < 0.05)
    4 context sentences
    Summary · context
    Randomized prospective pilot study.
    Summary · context
    From January 2006 to June 2006 we randomized 40 unselected patients into GnRH agonist (triptorelin 0.1 mg) and GnRH antagonist (cetrorelix 0.25 mg) group.
    Summary · context
    We randomized 21 patients in GnRH agonist and 19 patients in GnRH antagonist group.
    Summary · context
    in GnRH agonist vs. GnRH antagonist group, resp.
  4. 04HumanRandomized controlled trialEfficacy outcome

    In unselected patients, hCG-day LH did not differ significantly: 1.4 +/- 1.1 IU/l with cetrorelix versus 2.2 +/- 1.9 with triptorelin.

    In plain wordsIn unselected patients, LH on the hCG day did not differ significantly between cetrorelix and triptorelin.

    Peptide
    Cetrorelix
    Outcome
    No significant changeLH on hCG day
    Study

    n = 40

    Comparator
    Triptorelin 0.1 mg
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.25 mgAs given in this study (human).

    Measurements

    LH on hCG day, mean
    1.4 IU/l
    cetrorelix group; SD 1.1
    LH on hCG day, mean
    2.2 IU/l
    triptorelin group; SD 1.9

    Source sentences

    Summary
    LH on the day of hCG administration (IU/l) 2.2 +/- 1.9 vs. 1.4 +/- 1.1 (ns)
    4 context sentences
    Summary · context
    Randomized prospective pilot study.
    Summary · context
    From January 2006 to June 2006 we randomized 40 unselected patients into GnRH agonist (triptorelin 0.1 mg) and GnRH antagonist (cetrorelix 0.25 mg) group.
    Summary · context
    We randomized 21 patients in GnRH agonist and 19 patients in GnRH antagonist group.
    Summary · context
    in GnRH agonist vs. GnRH antagonist group, resp.
  5. 05HumanRandomized controlled trialEfficacy outcome

    In unselected patients, endometrial thickness did not differ significantly: 9.2 +/- 0.9 mm with cetrorelix versus 10.6 +/- 1.8 with triptorelin.

    In plain wordsIn unselected patients, uterine lining thickness did not differ significantly between cetrorelix and triptorelin.

    Peptide
    Cetrorelix
    Outcome
    No significant changeEndometrial thickness
    Study

    n = 40

    Comparator
    Triptorelin 0.1 mg
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.25 mgAs given in this study (human).

    Measurements

    Endometrial thickness, mean
    9.2 mm
    cetrorelix group; SD 0.9
    Endometrial thickness, mean
    10.6 mm
    triptorelin group; SD 1.8

    Source sentences

    Summary
    endometrial thickness (mm) 10.6 +/- 1.8 vs. 9.2 +/- 0.9 (ns)
    4 context sentences
    Summary · context
    Randomized prospective pilot study.
    Summary · context
    From January 2006 to June 2006 we randomized 40 unselected patients into GnRH agonist (triptorelin 0.1 mg) and GnRH antagonist (cetrorelix 0.25 mg) group.
    Summary · context
    We randomized 21 patients in GnRH agonist and 19 patients in GnRH antagonist group.
    Summary · context
    in GnRH agonist vs. GnRH antagonist group, resp.
  6. 06HumanRandomized controlled trialEfficacy outcome

    In unselected patients, total FSH dose was lower with cetrorelix: 1513 +/- 357 versus 1865 +/- 517 IU (p < 0.001).

    In plain wordsIn unselected patients, total FSH dose was lower with cetrorelix than triptorelin.

    Peptide
    Cetrorelix
    Outcome
    DecreaseTotal FSH dose
    Study

    n = 40

    Comparator
    Triptorelin 0.1 mg
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.25 mgAs given in this study (human).

    Measurements

    Total FSH dose, mean
    1513 IU
    cetrorelix group; SD 357
    Total FSH dose, mean
    1865 IU
    triptorelin group; SD 517

    Source sentences

    Summary
    total dose of FSH (IU) 1865 +/- 517 vs. 1513 +/- 357 (p < 0.001)
    4 context sentences
    Summary · context
    Randomized prospective pilot study.
    Summary · context
    From January 2006 to June 2006 we randomized 40 unselected patients into GnRH agonist (triptorelin 0.1 mg) and GnRH antagonist (cetrorelix 0.25 mg) group.
    Summary · context
    We randomized 21 patients in GnRH agonist and 19 patients in GnRH antagonist group.
    Summary · context
    in GnRH agonist vs. GnRH antagonist group, resp.
  7. 07HumanRandomized controlled trialEfficacy outcome

    In unselected patients, FSH stimulation was shorter with cetrorelix: 7.8 +/- 1.2 versus 9.3 +/- 1.6 days (p < 0.001).

    In plain wordsIn unselected patients, FSH stimulation was shorter with cetrorelix than triptorelin.

    Peptide
    Cetrorelix
    Outcome
    DecreaseFSH stimulation duration
    Study

    n = 40

    Comparator
    Triptorelin 0.1 mg
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health
    Studied dose
    0.25 mgAs given in this study (human).

    Measurements

    Duration of FSH stimulation, mean
    7.8 days
    cetrorelix group; SD 1.2
    Duration of FSH stimulation, mean
    9.3 days
    triptorelin group; SD 1.6

    Source sentences

    Summary
    duration of FSH stimulation (days) 9.3 +/- 1.6 vs. 7.8 +/- 1.2 (p < 0.001) in GnRH agonist vs. GnRH antagonist group, resp.
    3 context sentences
    Summary · context
    Randomized prospective pilot study.
    Summary · context
    From January 2006 to June 2006 we randomized 40 unselected patients into GnRH agonist (triptorelin 0.1 mg) and GnRH antagonist (cetrorelix 0.25 mg) group.
    Summary · context
    We randomized 21 patients in GnRH agonist and 19 patients in GnRH antagonist group.

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.