The study will explore multiple mobility function tests as well as functional and neuropsychological tests in elderly subjects at risk for falls and disability, before and after 4-month exercise and/or Vitamin D intervention.
The study was terminated on 10Jan2008. This was a strategic decision not related to safety, efficacy, or feasibility of trial.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
64
1000 IU per day of Vitamin D + Sham (equivalent to placebo) Exercise
Vitamin D placebo + Exercise
Vitamin D placebo + Sham (equivalent to placebo) Exercise
Pfizer Investigational Site
Farmington, Connecticut, United States
Pfizer Investigational Site
Hyattsville, Maryland, United States
Pfizer Investigational Site
Roslindale, Massachusetts, United States
Pfizer Investigational Site
New York, New York, United States
Characterization of effect of 4-month exercise and/or Vitamin D intervention on mobility function and strength in frail elderly subjects.
Time frame: Throughout trial
Evaluation of utility and variability of mobility function tests and biomarkers, as well as explore the predictors for the exercise and/or Vitamin D intervention response in frail elderly subjects.
Time frame: throughout trial
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1000 IU per day of Vitamin D + Exercise