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Study · Not a test of the peptide alone · 2013

7 results

Concomitant intramuscular human chorionic gonadotropin preserves spermatogenesis in men undergoing testosterone replacement therapy.

Hsieh TC, Pastuszak AW, Hwang K, Lipshultz LI

The Journal of urology20 Dec 2012Cited by 69 (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 study7

No result from this study comes from a test of the peptide.

Studies that did not test the peptide alone7

In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. These results are not evidence about taking hCG (human chorionic gonadotropin).

  1. 01HumanNot a test of hCG (human chorionic gonadotropin) aloneObservational studyEfficacy outcome

    In hypogonadal men receiving testosterone replacement with hCG, mean serum testosterone rose from 207.2 to 1,055.5 ng/dl.

    In plain wordsIn hypogonadal men, testosterone replacement with hCG was linked to blood testosterone rising from 207.2 to 1,055.5 ng/dl.

    Outcome
    IncreaseTotal testosterone
    Study

    n = 26

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Mean serum testosterone
    207.2 ng/dl
    Before testosterone replacement with hCG
    Mean serum testosterone
    1055.5 ng/dl
    During testosterone replacement with hCG
    p value for mean serum testosterone before versus during treatment
    < 0.0001 p value
    Before versus during testosterone replacement with hCG

    Source sentences

    Summary
    Mean serum hormone levels before vs during treatment were testosterone 207.2 vs 1,055.5 ng/dl (p <0.0001), free testosterone 8.1 vs 20.4 pg/ml (p = 0.02) and estradiol 2.2 vs 3.7 pg/ml (p = 0.11).
    4 context sentences
    Summary · context
    We retrospectively reviewed the records of hypogonadal men treated with testosterone replacement therapy and concomitant low dose human chorionic gonadotropin.
    Summary · context
    Testosterone replacement consisted of daily topical gel or weekly intramuscular injection with intramuscular human chorionic gonadotropin (500 IU) every other day.
    Summary · context
    A total of 26 men with a mean age of 35.9 years were included in the study.
    Summary · context
    Mean followup was 6.2 months.

    In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking hCG (human chorionic gonadotropin).

  2. 02HumanNot a test of hCG (human chorionic gonadotropin) aloneObservational studyEfficacy outcome

    In hypogonadal men receiving testosterone replacement with hCG, mean free testosterone rose from 8.1 to 20.4 pg/ml.

    In plain wordsIn hypogonadal men, testosterone replacement with hCG was linked to free testosterone rising from 8.1 to 20.4 pg/ml.

    Outcome
    IncreaseFree testosterone
    Study

    n = 26

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Mean free testosterone
    8.1 pg/ml
    Before testosterone replacement with hCG
    Mean free testosterone
    20.4 pg/ml
    During testosterone replacement with hCG
    p value for mean free testosterone before versus during treatment
    0.02 p value
    Before versus during testosterone replacement with hCG

    Source sentences

    Summary
    Mean serum hormone levels before vs during treatment were testosterone 207.2 vs 1,055.5 ng/dl (p <0.0001), free testosterone 8.1 vs 20.4 pg/ml (p = 0.02) and estradiol 2.2 vs 3.7 pg/ml (p = 0.11).
    4 context sentences
    Summary · context
    We retrospectively reviewed the records of hypogonadal men treated with testosterone replacement therapy and concomitant low dose human chorionic gonadotropin.
    Summary · context
    Testosterone replacement consisted of daily topical gel or weekly intramuscular injection with intramuscular human chorionic gonadotropin (500 IU) every other day.
    Summary · context
    A total of 26 men with a mean age of 35.9 years were included in the study.
    Summary · context
    Mean followup was 6.2 months.

    In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking hCG (human chorionic gonadotropin).

  3. 03HumanNot a test of hCG (human chorionic gonadotropin) aloneObservational studyEfficacy outcome

    In hypogonadal men, testosterone replacement with hCG did not significantly change estradiol (2.2 versus 3.7 pg/ml, p = 0.11).

    In plain wordsIn hypogonadal men, testosterone replacement with hCG did not significantly change estradiol compared with baseline.

    Outcome
    No significant changeEstradiol
    Study

    n = 26

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Mean estradiol
    2.2 pg/ml
    Before testosterone replacement with hCG
    Mean estradiol
    3.7 pg/ml
    During testosterone replacement with hCG
    p value for mean estradiol before versus during treatment
    0.11 p value
    Before versus during testosterone replacement with hCG

    Source sentences

    Summary
    Mean serum hormone levels before vs during treatment were testosterone 207.2 vs 1,055.5 ng/dl (p <0.0001), free testosterone 8.1 vs 20.4 pg/ml (p = 0.02) and estradiol 2.2 vs 3.7 pg/ml (p = 0.11).
    4 context sentences
    Summary · context
    We retrospectively reviewed the records of hypogonadal men treated with testosterone replacement therapy and concomitant low dose human chorionic gonadotropin.
    Summary · context
    Testosterone replacement consisted of daily topical gel or weekly intramuscular injection with intramuscular human chorionic gonadotropin (500 IU) every other day.
    Summary · context
    A total of 26 men with a mean age of 35.9 years were included in the study.
    Summary · context
    Mean followup was 6.2 months.

    In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking hCG (human chorionic gonadotropin).

  4. 04HumanNot a test of hCG (human chorionic gonadotropin) aloneObservational studyEfficacy outcome

    In hypogonadal men receiving testosterone replacement with hCG, testosterone formulation had no observed impact on semen parameters.

    In plain wordsIn hypogonadal men receiving testosterone with hCG, semen measures did not differ by testosterone formulation.

    Outcome
    No significant changeSemen parameters by testosterone formulation
    Study

    n = 26

    Comparator
    Other testosterone formulation
    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Men treated with injectable testosterone
    19 men
    Testosterone formulation comparison, concomitant hCG
    Men treated with transdermal testosterone gel
    7 men
    Testosterone formulation comparison, concomitant hCG

    Source sentences

    Summary
    No impact on semen parameters was observed as a function of testosterone formulation.
    Summary
    Of the men 19 were treated with injectable testosterone and 7 were treated with transdermal gel.
    4 context sentences
    Summary · context
    We retrospectively reviewed the records of hypogonadal men treated with testosterone replacement therapy and concomitant low dose human chorionic gonadotropin.
    Summary · context
    Testosterone replacement consisted of daily topical gel or weekly intramuscular injection with intramuscular human chorionic gonadotropin (500 IU) every other day.
    Summary · context
    A total of 26 men with a mean age of 35.9 years were included in the study.
    Summary · context
    Mean followup was 6.2 months.

    In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking hCG (human chorionic gonadotropin).

  5. 05HumanNot a test of hCG (human chorionic gonadotropin) aloneObservational studyEfficacy outcome

    No hypogonadal man developed azoospermia during testosterone replacement with hCG.

    In plain wordsNo hypogonadal man lost all sperm in his semen during testosterone replacement with hCG.

    Outcome
    No significant changeAzoospermia
    Study

    n = 26

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Source sentences

    Summary
    No patient became azoospermic during concomitant testosterone replacement and human chorionic gonadotropin therapy.
    4 context sentences
    Summary · context
    We retrospectively reviewed the records of hypogonadal men treated with testosterone replacement therapy and concomitant low dose human chorionic gonadotropin.
    Summary · context
    Testosterone replacement consisted of daily topical gel or weekly intramuscular injection with intramuscular human chorionic gonadotropin (500 IU) every other day.
    Summary · context
    A total of 26 men with a mean age of 35.9 years were included in the study.
    Summary · context
    Mean followup was 6.2 months.

    In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking hCG (human chorionic gonadotropin).

  6. 06HumanNot a test of hCG (human chorionic gonadotropin) aloneObservational studyEfficacy outcome

    During testosterone replacement with hCG, nine of 26 men contributed to pregnancy with their partner.

    In plain wordsDuring testosterone replacement with hCG, nine of 26 men contributed to a pregnancy with their partner.

    Outcome
    Not applicablePartner pregnancy
    Study

    n = 26

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Men contributing to pregnancy with their partner
    9 men
    During testosterone replacement with hCG, followup

    Source sentences

    Summary
    Nine of 26 men contributed to pregnancy with the partner during followup.
    4 context sentences
    Summary · context
    We retrospectively reviewed the records of hypogonadal men treated with testosterone replacement therapy and concomitant low dose human chorionic gonadotropin.
    Summary · context
    Testosterone replacement consisted of daily topical gel or weekly intramuscular injection with intramuscular human chorionic gonadotropin (500 IU) every other day.
    Summary · context
    A total of 26 men with a mean age of 35.9 years were included in the study.
    Summary · context
    Mean followup was 6.2 months.

    In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking hCG (human chorionic gonadotropin).

  7. 07HumanNot a test of hCG (human chorionic gonadotropin) aloneObservational studyEfficacy outcome

    In hypogonadal men, semen parameters did not differ during testosterone replacement with hCG over greater than 1 year of followup.

    In plain wordsIn hypogonadal men, semen measures did not differ from baseline during testosterone replacement with hCG.

    Outcome
    No significant changeSemen parameters over follow-up
    Study

    n: not reported in source

    Outcome group
    Sex hormones and fertility · Reproductive and sexual health

    Measurements

    Semen volume before treatment
    2.9 ml
    Before testosterone replacement with hCG, comparison with during followup
    Sperm density before treatment
    35.2 million per ml
    Before testosterone replacement with hCG, comparison with during followup
    Sperm motility before treatment
    49%
    Before testosterone replacement with hCG, comparison with during followup
    Sperm forward progression before treatment
    2.3 not stated
    Before testosterone replacement with hCG, comparison with during followup

    Source sentences

    Summary
    No differences in semen parameters were observed during greater than 1 year of followup.
    5 context sentences
    Summary · context
    Pretreatment semen parameters were volume 2.9 ml, density 35.2 million per ml, motility 49.0% and forward progression 2.3.
    Summary · context
    We retrospectively reviewed the records of hypogonadal men treated with testosterone replacement therapy and concomitant low dose human chorionic gonadotropin.
    Summary · context
    Testosterone replacement consisted of daily topical gel or weekly intramuscular injection with intramuscular human chorionic gonadotropin (500 IU) every other day.
    Summary · context
    A total of 26 men with a mean age of 35.9 years were included in the study.
    Summary · context
    Mean followup was 6.2 months.

    In this study, hCG (human chorionic gonadotropin) was a lab tool or a carrier, part of a mix, or the subject of a lab method. This result is not evidence about taking hCG (human chorionic gonadotropin).

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

    14 Oct 2026, 05:02 UTC

    Study results updated

  2. Version 1

    14 Oct 2026, 01:46 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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