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Note: This record shows only the 20 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: Netherlands Trial Register
Last refreshed on: 28 April 2013
Main ID:  NTR918
Date of registration: 26/02/2007
Primary sponsor: Erasmus Medical Center, Department of Geriatrics
Public title: Effects of high dose vitamin D suppletion on muscle mass and muscle strength in frail elderly peolple.
Scientific title: Effects of high dose vitamin D suppletion on muscle strength in frail elderly peolple. -
Date of first enrolment: 1/4/2007
Target sample size: 300
Recruitment status: pending
URL:  http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=918
Study type:  intervention
Study design:  Randomised: Yes; Masking: Double; Control: Placebo; Group: Parallel; Type: -  
Countries of recruitment
The Netherlands
Contacts
Name: C.   Oudshoorn
Address:  Erasmus MC PO box 2040 Room D442 3000 CA Rotterdam The Netherlands
Telephone: 010-4635037
Email: c.oudshoorn@erasmusmc.nl
Affiliation: 
Name: C.   Oudshoorn
Address:  Erasmus MC PO box 2040 Room D442 3000 CA Rotterdam The Netherlands
Telephone: 010-4635037
Email: c.oudshoorn@erasmusmc.nl
Affiliation: 
Key inclusion & exclusion criteria
Inclusion criteria: 1. Frail elderly people, age > 65;
2. Living in homes for the elderly;
3. Serum vitamin D level < 50 nmol/l

Exclusion criteria: 1. Not able to perform muscle strength measurements;
2. History of kidney stones, renal insufficiency (<40%);
3. Primary hyperparathyroidism;
4. Dementia (mini mental state examination < 20/30 points;
5. Life expectancy < 6 months;
6. Neurodegenerative disorders (M. Parkinson, ALS);
7. Use of the following medications: vitamin D, bisphosphonates, steroids.



Age minimum:
Age maximum:
Gender:
Health Condition(s) or Problem(s) studied
Sarcopenia, Frailty, Hypovitaminosis D

Intervention(s)
Individuals are randomized to recieve either 1200IU vitamin D/day and 1000mg calcium/day or placebo medications and 1000mg calcium/day.
Medications will be used for a period of 6 months.
Primary Outcome(s)
Differences in muscle strength (handgrip strength and m. quadriceps strength) between treatment and control group
Secondary Outcome(s)
1. Changes in mobility
a. Timed up & go test
b. Walking distance
2. Quality of life
a. Health assessment questionnaire
3. Falls
Secondary ID(s)
ISRCTN33988275
Source(s) of Monetary Support
Erasmus Medical Center, Department of Geriatrics
Secondary Sponsor(s)
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