Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT01962454 · ClinicalTrials.gov registry record · Phase 1

A Study to Evaluate a Skeletal-muscle Microbiopsy Technique With Dynamic Proteomic Measurement in Healthy Male Volunteers

A Phase 1 study, sponsored by GlaxoSmithKline.

Completed
Registry status
Phase 1
Development phase
20
Enrollment target

NCT01962454: Completed Phase 1 study, sponsored by GlaxoSmithKline.

NCT01962454 is a Phase 1 study that has completed, run by GlaxoSmithKline. The registered enrollment target is 20 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (67% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT01962454, a Phase 1 study, has completed, sponsored by GlaxoSmithKline.

COMPLETED
Registry status
Phase 1
Development phase
20 participants
Enrollment target

Study Summary

This is a single-blind, randomized placebo-controlled, parallel study, where the study volunteers will be blinded to testosterone/placebo treatment. This study will test a relatively new, less invasive method for collecting muscle tissue to determine if this method is appropriate for collecting muscle samples for the assessment of the fractional synthetic rates (FSR) of muscle-derived proteins. This study will also investigate whether the FSR of proteins may serve as early biomarkers for muscle anabolism, a known anabolic agent (testosterone) will be administered to healthy, elderly male subjects over a 3 week period. The fractional synthetic rate of several muscle-derived proteins will be analyzed at Baseline and during the period of testosterone treatment using deuterium labelling of these proteins by the incorporation of deuterium from deuterated water (D2O).

Primary Outcome

Muscle protein synthesis will be assessed by measuring the fractional synthetic rate of muscle-derived proteins in both muscle biopsy samples and in blood after subjects have ingested deuterated water. The FSR of several muscle-derived proteins will be analyzed at baseline and during the period of testosterone treatment using deuterium labelling of these proteins by the incorporation of deuterium from D2O.

Interventions

  • DRUG Testosterone enanthate
  • DRUG Deuterated Water
  • DRUG Placebo to match testosterone enanthate

Trial Details

FieldValue
Enrollment Target 20 participants
Start Date 2014-05-05
Est. Completion 2015-03-20
Phase Phase 1
GlaxoSmithKline

1,345 total trials

What the finished NCT01962454 record still lists

NCT01962454 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 20 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (67% lower).

The record links to 0 conditions, and to 3 interventions - of which Testosterone enanthate is the first listed.

NCT01962454 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01962454 about?

NCT01962454 is a clinical study titled "A Study to Evaluate a Skeletal-muscle Microbiopsy Technique With Dynamic Proteomic Measurement in Healthy Male Volunteers". This is a single-blind, randomized placebo-controlled, parallel study, where the study volunteers will be blinded to testosterone/placebo treatment. This study will test a relatively new, less invasive method for collecting muscle tissue to determine if this method is appropriate for collecting musc...

What is the current status of trial NCT01962454?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 20 participants. The study started on 2014-05-05. Estimated completion is 2015-03-20.

What interventions are being tested in trial NCT01962454?

The interventions under investigation include: Testosterone enanthate (DRUG), Deuterated Water (DRUG), Placebo to match testosterone enanthate (DRUG).

Who is sponsoring clinical trial NCT01962454?

This trial is sponsored by GlaxoSmithKline, which has 1,345 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01962454's enrollment target sits among peer trials

20 1629th of 2000 higher than 285 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT00573339 · 20 participants

    Cardiac Magnetic Resonance Imaging (MRI) Normal Reference Control Group Testing

  • NCT00692939 · 20 participants · Phase 1

    Autologous Stem Cell Transplantation for Crohn's Disease

  • NCT00967785 · 20 participants · Phase 1

    A Phase I Study of Mozobil in the Treatment of Patients With WHIMS

  • NCT01406691 · 20 participants · Phase 4

    Light Flashes to Treat Delayed Sleep Phase Disorder (DSPD)

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT01962454, the US trial registry maintained by the National Library of Medicine. NCT01962454 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.