Clinical trial registry record

Vitamin D and Osteoporosis Prevention in Elderly African American Women

A registered PHASE3 study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Completed.
Evidence
Registered phase 3 study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated October 3, 2018.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT01153568
Last registry update
October 3, 2018
Status
Completed
Phase
Phase 3
Sponsor
Winthrop University Hospital
Enrollment
260
Countries
United States
Match confidence
80%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered PHASE3 study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase 3
Study design
RANDOMIZED · PARALLEL · PREVENTION · QUADRUPLE
Evidence population
Human clinical study registration
Participants
260
Population
FEMALE · 60 Years
Duration
2010-08-01 to 2016-10-01
Intervention
Vitamin D 3; placebo
Comparator
Placebo
Outcomes measured
1. To determine if vitamin D supplementation sufficient to raise serum 25(OH)D levels above 75 nmol/L (30 ng/mL) for fo…; To evaluate the harms of vitamin D intakes that raise 25(OH)D levels above 75 nmol/L for four years in a calcium suffic…
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase 3A trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 80% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Bone ageing · 80%Title contains controlled term: osteoporosis. Title supplies longevity context: elderly. Study type is explicitly identified as INTERVENTIONAL.

Automated source check 100% · update recency 50%. These figures help sort records; they are not medical ratings.

bone aging
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