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NCT00416715 · ClinicalTrials.gov registry record · Phase 2
Vitamin D Deficiency, Muscle Pain, Joint Pain, and Joint Stiffness in Postmenopausal Women Receiving Letrozole For Stage I-III Breast Cancer
A Phase 2 study, sponsored by University of Washington.
- Completed
- Registry status
- Phase 2
- Development phase
- 100
- Enrollment target
NCT00416715: Completed Phase 2 study, sponsored by University of Washington.
NCT00416715 is a Phase 2 study that has completed, run by University of Washington. The registered enrollment target is 100 participants, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (25% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00416715, a Phase 2 study, has completed, sponsored by University of Washington.
- COMPLETED
- Registry status
- Phase 2
- Development phase
- 100 participants
- Enrollment target
Study Summary
This phase II trial is studying vitamin D deficiency, muscle pain, joint pain, and joint stiffness in postmenopausal women receiving letrozole for stage I-III breast cancer. Learning about vitamin D deficiency and muscle pain, joint pain, and joint stiffness in patients receiving letrozole for breast cancer may help doctors plan treatment and may help patients live more comfortably
Primary Outcome
Count of early breast cancer patients prescribed adjuvant letrozole that are vitamin D deficient and who experience myalgias, arthralgias and/or joint stiffness, assessed at baseline and 1 month after vitamin D repletion.
Interventions
- OTHER laboratory biomarker analysis
- DRUG letrozole
- DIETARY_SUPPLEMENT calcium carbonate
- DIETARY_SUPPLEMENT calcium citrate
- DIETARY_SUPPLEMENT calcium glucarate
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 100 participants |
| Start Date | 2006-10 |
| Est. Completion | 2010-05 |
| Phase | Phase 2 |
What the finished NCT00416715 record still lists
NCT00416715 is an interventional study that assigns participants to a tested intervention. The registered 100 participants enrollment target is mid-sized for trials with a published cap, below the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (25% lower).
The record links to 0 conditions, and to 5 interventions - of which laboratory biomarker analysis is the first listed.
NCT00416715 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00416715 about?
NCT00416715 is a clinical study titled "Vitamin D Deficiency, Muscle Pain, Joint Pain, and Joint Stiffness in Postmenopausal Women Receiving Letrozole For Stage I-III Breast Cancer". This phase II trial is studying vitamin D deficiency, muscle pain, joint pain, and joint stiffness in postmenopausal women receiving letrozole for stage I-III breast cancer. Learning about vitamin D deficiency and muscle pain, joint pain, and joint stiffness in patients receiving letrozole for breas...
What is the current status of trial NCT00416715?
This trial is currently completed. It is a Phase 2 study. The enrollment target is 100 participants. The study started on 2006-10. Estimated completion is 2010-05.
What interventions are being tested in trial NCT00416715?
The interventions under investigation include: laboratory biomarker analysis (OTHER), letrozole (DRUG), calcium carbonate (DIETARY_SUPPLEMENT), calcium citrate (DIETARY_SUPPLEMENT), calcium glucarate (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT00416715?
This trial is sponsored by University of Washington, which has 1,048 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00416715's enrollment target sits among peer trials
100 672nd of 2000 higher than 1,263 of 2,000 other Phase 2 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 2 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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