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NCT00357643 · ClinicalTrials.gov registry record · Phase 3
Effect of Calcium and Vitamin D on Bone Loss From the Hip
A Phase 3 study of Osteoporosis, sponsored by Tufts University.
- Completed
- Registry status
- Phase 3
- Development phase
- 450
- Enrollment target
- 1
- Study location
NCT00357643: Completed Phase 3 study of Osteoporosis, sponsored by Tufts University.
NCT00357643 is a Phase 3 study of Osteoporosis that has completed, run by Tufts University. The registered enrollment target is 450 participants, below the 1,541-participant average among 84 other Osteoporosis trials with a reported enrollment target (71% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00357643, a Phase 3 study of Osteoporosis, has completed, sponsored by Tufts University.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 450 participants
- Enrollment target
- 1
- Study location
Study Summary
The primary aim of this study is to determine the effects of supplementation with both calcium and vitamin D on changes in bone density of the hip in men and women age 65 and older.
Conditions Studied
Interventions
- DRUG Calcium 500 mg/day and vitamin D 700 IU/day
Study Locations (1)
Massachusetts
- Human Nutrition Research Center on Aging at Tufts U - Boston
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 450 participants |
| Start Date | 1992-10 |
| Est. Completion | 1996-02 |
| Phase | Phase 3 |
What the finished NCT00357643 record still lists
NCT00357643 is an interventional study that assigns participants to a tested intervention. The registered 450 participants enrollment target is mid-sized for trials with a published cap, below the 1,541-participant average among 84 other Osteoporosis trials with a reported enrollment target (71% lower).
The record links to 1 condition, with Osteoporosis appearing as the primary indexed condition, and to 1 intervention - of which Calcium 500 mg/day and vitamin D 700 IU/day is the first listed.
NCT00357643 reports a single indexed study location in Massachusetts.
Frequently Asked Questions
What is clinical trial NCT00357643 about?
NCT00357643 is a clinical study titled "Effect of Calcium and Vitamin D on Bone Loss From the Hip". The primary aim of this study is to determine the effects of supplementation with both calcium and vitamin D on changes in bone density of the hip in men and women age 65 and older.
What is the current status of trial NCT00357643?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 450 participants. The study started on 1992-10. Estimated completion is 1996-02.
What conditions does trial NCT00357643 study?
This clinical trial studies the following conditions: Osteoporosis.
What interventions are being tested in trial NCT00357643?
The interventions under investigation include: Calcium 500 mg/day and vitamin D 700 IU/day (DRUG).
Who is sponsoring clinical trial NCT00357643?
This trial is sponsored by Tufts University, which has 163 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00357643 being conducted?
This trial has 1 study location across Massachusetts. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Osteoporosis
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00357643's enrollment target sits among peer trials
450 20th of 84 higher than 64 of 84 other Osteoporosis trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Osteoporosis 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
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