NCT00812396

Brief Summary

This study will evaluate the ability of comparative proteomics to identify early biomarkers of muscle anabolism.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
30

participants targeted

Target at P25-P50 for phase_1

Timeline
Completed

Started Nov 2007

Shorter than P25 for phase_1

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2007

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2008

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2008

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

December 19, 2008

Completed
3 days until next milestone

First Posted

Study publicly available on registry

December 22, 2008

Completed
Last Updated

January 30, 2015

Status Verified

January 1, 2015

Enrollment Period

3 months

First QC Date

December 19, 2008

Last Update Submit

January 29, 2015

Conditions

Keywords

Biomarkers of muscle anabolism

Outcome Measures

Primary Outcomes (1)

  • comparative proteomics on proteins present in the vastus lateralis or plasma

    1 week

Secondary Outcomes (1)

  • mRNA or miRNA expression in the vastus lateralis or in peripheral blood

    1 week

Study Arms (3)

1

ACTIVE COMPARATOR

Low dose testosterone

Drug: Comparator: low dose testosterone

2

ACTIVE COMPARATOR

High dose testosterone

Drug: Comparator: high dose testosterone

3

PLACEBO COMPARATOR

Placebo

Drug: Comparator: placebo

Interventions

Subjects will receive two muscle biopsies, the first at baseline, and the second a week after a single intramuscular dose of 200 mg (0.8 mL) testosterone.

1

Subjects will receive two muscle biopsies, the first at baseline, and the second a week after a single intramuscular dose of 600 mg (2.4 mL) testosterone.

2

Subjects will receive two muscle biopsies, the first at baseline, and the second a week after a single intramuscular dose of 0.8 mL placebo saline solution.

3

Eligibility Criteria

Age18 Years - 40 Years
Sexmale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • subject is a healthy male between 18 and 40 years old
  • subject's weight is stable over the past 3 months
  • subject agrees to refrain from consuming alcohol during study
  • subject agrees to consume no caffeine while in the CRU
  • subject agrees to follow meat-free diet
  • subject is willing to avoid strenuous activity
  • subject has been a nonsmoker for at least 6 months

You may not qualify if:

  • subject is a regular user of illicit drugs
  • subject has taken androgenic steroids in the past 12 months
  • subject has participated in sports events, resistance training, or moderate to heavy endurance training in the past month
  • subject has prostate cancer
  • subject has HIV and/or hepatitis B or C

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Chen F, Lam R, Shaywitz D, Hendrickson RC, Opiteck GJ, Wishengrad D, Liaw A, Song Q, Stewart AJ, Cummings CE, Beals C, Yarasheski KE, Reicin A, Ruddy M, Hu X, Yates NA, Menetski J, Herman GA. Evaluation of early biomarkers of muscle anabolic response to testosterone. J Cachexia Sarcopenia Muscle. 2011 Mar;2(1):45-56. doi: 10.1007/s13539-011-0021-y. Epub 2011 Feb 26.

MeSH Terms

Interventions

Testosterone

Intervention Hierarchy (Ancestors)

AndrostenolsAndrostenesAndrostanesSteroidsFused-Ring CompoundsPolycyclic CompoundsTestosterone CongenersGonadal Steroid HormonesGonadal HormonesHormonesHormones, Hormone Substitutes, and Hormone Antagonists

Study Officials

  • Medical Monitor

    Merck Sharp & Dohme LLC

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
DIAGNOSTIC
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 19, 2008

First Posted

December 22, 2008

Study Start

November 1, 2007

Primary Completion

February 1, 2008

Study Completion

February 1, 2008

Last Updated

January 30, 2015

Record last verified: 2015-01