Effect of Short Term Growth Hormone Releasing Hormone in Healthy Men

NCT ID: NCT00850564

Last Updated: 2011-04-19

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

15 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-02-28

Study Completion Date

2010-04-30

Brief Summary

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The purpose of this trial is to examine the short-term effects of Growth Hormone Releasing Hormone (GHRH, tesamorelin) administration in healthy men. We hypothesize that GHRH will increase GH pulse height and will not affect insulin sensitivity.

Detailed Description

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The primary objective of this study is to determine the effects of growth hormone releasing hormone (Tesamorelin) on endogenous overnight growth hormone secretion and pulsatility, as well as insulin-stimulated glucose uptake. Healthy male subjects will receive 2mg Tesamorelin, subcutaneously, daily for two weeks. At baseline and after two weeks of treatment, we will assess overnight growth hormone by frequent sampling as well as insulin stimulated glucose uptake by clamp. Subjects will then stop the Tesamorelin and will return for an identical assessment after a 2 week withdrawal period.

Conditions

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Healthy Volunteers

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Growth Hormone Releasing Hormone

Growth Hormone Releasing Hormone (Tesamorelin) 2mg by subcutaneous injection once daily

Group Type EXPERIMENTAL

Growth Hormone Releasing Hormone (Tesamorelin)

Intervention Type DRUG

Tesamorelin 2mg subcutaneous daily x 2 weeks

Interventions

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Growth Hormone Releasing Hormone (Tesamorelin)

Tesamorelin 2mg subcutaneous daily x 2 weeks

Intervention Type DRUG

Other Intervention Names

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Tesamorelin

Eligibility Criteria

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Inclusion Criteria

* Men aged 18-60 years
* BMI \> 20kg/m2 and \<35kg/m2

Exclusion Criteria

* Use of anti-diabetic agents, Megace, testosterone or any steroid use within 6 months of the study
* Use of GH or growth hormone stimulating peptides within six months of starting the study
* Change in lipid lowering or antihypertensive regimen within 3 months of screening
* Fasting blood sugar \> 126 mg/dL, SGOT \> 2.5 times ULN, Hgb \< 12.0 g/dL, creatinine \> 1.4 mg/dL
* Carpal tunnel syndrome
* Severe chronic illness or active malignancy or history of pituitary malignancy or history of colon cancer
* For men, history of prostate cancer or evidence of prostate malignancy by PSA \> 5 ng/mL
* Prior history of hypopituitarism, head irradiation or any other condition known to affect the GH axis
* Weight \< 110 lbs.
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

NIH

Sponsor Role collaborator

Massachusetts General Hospital

OTHER

Sponsor Role lead

Responsible Party

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Massachusetts General Hospital

Principal Investigators

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Steven K Grinspoon, M.D.

Role: PRINCIPAL_INVESTIGATOR

Massachusetts General Hospital

Locations

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MGH

Boston, Massachusetts, United States

Site Status

Countries

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United States

References

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Stanley TL, Chen CY, Branch KL, Makimura H, Grinspoon SK. Effects of a growth hormone-releasing hormone analog on endogenous GH pulsatility and insulin sensitivity in healthy men. J Clin Endocrinol Metab. 2011 Jan;96(1):150-8. doi: 10.1210/jc.2010-1587. Epub 2010 Oct 13.

Reference Type RESULT
PMID: 20943777 (View on PubMed)

Makimura H, Stanley TL, Chen CY, Branch KL, Grinspoon SK. Relationship of adiponectin to endogenous GH pulse secretion parameters in response to stimulation with a growth hormone releasing factor. Growth Horm IGF Res. 2011 Jun;21(3):155-9. doi: 10.1016/j.ghir.2011.03.009. Epub 2011 Apr 30.

Reference Type DERIVED
PMID: 21531600 (View on PubMed)

Other Identifiers

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R01DK063639

Identifier Type: NIH

Identifier Source: secondary_id

View Link

DK63639B

Identifier Type: -

Identifier Source: org_study_id

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