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Steady-State Feedback Actions of Testosterone on Luteinizing Hormone Secretion in Young and Older Men

NCT00431197 · Status: COMPLETED · Phase: PHASE1 · Type: INTERVENTIONAL · Enrollment: 40

Last updated 2010-01-28

No results posted yet for this study

Summary

This study is being done to learn how the male hormone , testosterone, affects pituitary hormones in younger and older men. The pituitary is a gland in the brain that secretes hormones, some of which normally control growth and fertility.

Conditions

  • Hypogonadism

Interventions

DRUG

Ketoconazole, Dexamethesone, Androgel,GnRH

Sponsors & Collaborators

  • National Institutes of Health (NIH)

    collaborator NIH

  • Mayo Clinic

    lead OTHER

Principal Investigators

  • Johannes D. Veldhuis, M.D. · Mayo Clinic

Study Design

Allocation
RANDOMIZED
Masking
DOUBLE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
MALE
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2004-02-29
Primary Completion
2007-12-31
Completion
2007-12-31

Countries

  • United States

Study Locations

More Related Trials

Entities

Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00431197 on ClinicalTrials.gov