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

NCT02221596 · ClinicalTrials.gov registry record · NA

Vitamin D and Muscle Metabolic Function

A NA study, sponsored by David Travis Thomas.

Completed
Registry status
NA
Development phase
50
Enrollment target

NCT02221596: Completed NA study, sponsored by David Travis Thomas.

NCT02221596 is a NA study that has completed, run by David Travis Thomas. The registered enrollment target is 50 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT02221596, a NA study, has completed, sponsored by David Travis Thomas.

COMPLETED
Registry status
NA
Development phase
50 participants
Enrollment target

Study Summary

The purpose of this study is to identify the magnitude of muscle lipid redistribution and muscle oxygen use in individuals 60 years old or older following combined treatment of vitamin D repletion and aerobic training compared to vitamin D repletion alone, aerobic training alone, or no treatment.

Primary Outcome

vitamin D

Interventions

  • DIETARY_SUPPLEMENT vitamin D
  • OTHER aerobic training

Trial Details

FieldValue
Enrollment Target 50 participants
Start Date 2014-09
Est. Completion 2018-03-01
Phase NA
David Travis Thomas

5 total trials

What the finished NCT02221596 record still lists

NCT02221596 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 50 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower).

The record links to 0 conditions, and to 2 interventions - of which vitamin D is the first listed.

NCT02221596 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT02221596 about?

NCT02221596 is a clinical study titled "Vitamin D and Muscle Metabolic Function". The purpose of this study is to identify the magnitude of muscle lipid redistribution and muscle oxygen use in individuals 60 years old or older following combined treatment of vitamin D repletion and aerobic training compared to vitamin D repletion alone, aerobic training alone, or no treatment.

What is the current status of trial NCT02221596?

This trial is currently completed. It is a NA study. The enrollment target is 50 participants. The study started on 2014-09. Estimated completion is 2018-03-01.

What interventions are being tested in trial NCT02221596?

The interventions under investigation include: vitamin D (DIETARY_SUPPLEMENT), aerobic training (OTHER).

Who is sponsoring clinical trial NCT02221596?

This trial is sponsored by David Travis Thomas, which has 5 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT02221596's enrollment target sits among peer trials

50 1279th of 2000 higher than 622 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA 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

  • NCT00200889 · 50 participants · Early Phase 1

    Mapping Auricular Vagus Nerve Circuitry

  • NCT00409435 · 50 participants · Phase 2

    A Study of Pyridostigmine in Postural Tachycardia Syndrome

  • NCT01202305 · 50 participants

    The Use of Lymph Node Biopsies to Support HIV Pathogenesis Studies

  • NCT01225913 · 50 participants · Phase 4

    Mechanism(s) of Airflow Limitation During Exacerbation of Asthma

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT02221596, the US trial registry maintained by the National Library of Medicine. NCT02221596 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.