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A New Active Vitamin D, ED-71 for Osteoporosis

A Prospective, Randomized, Double-blind Study to Compare the Effect of ED-71 With That of Alfacalcidol on Fracture Incidence in Osteoporotic Patients

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00144456
Enrollment
1056
Registered
2005-09-05
Start date
2004-09-30
Completion date
2008-10-31
Last updated
2013-08-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoporosis

Brief summary

A prospective, randomized, double-blind study to compare the effect of ED-71 with that of alfacalcidol on fracture incidence

Interventions

DRUGED-71

0.75μg/day(p.o.)for 144 weeks

1.0μg/day(p.o.)for 144 weeks

DRUGED-71 placebo

0 μg/day(p.o.)for 144 weeks

DRUGAlfacalcidol placebo

0 μg/day(p.o.)for 144 weeks

Sponsors

Chugai Pharmaceutical
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Osteoporotic patients who meet any of the following condition: 1. with at least one fragility fracture, 2. above 70 year-old with bone mineral density below 70% young adult mean, 3. with bone mineral density below 60% young adult mean * Women three years or more after menopause or men

Exclusion criteria

* Current disorders such as primary hyperparathyroidism, Cushing's syndrome,gonadal insufficiency, poorly controlled diabetes mellitus or other causes of secondary osteoporosis * A history or suspicion of active urolithiasis at any time * Use of bisphosphonates in the past 12 months * Use of medications known to affect bone in the past 2 months * Abnormal serum calcium, urinary calcium, serum creatinine or liver function tests

Design outcomes

Primary

MeasureTime frame
Incidences of vertebral fracturethroughout study

Secondary

MeasureTime frame
Changes of Lumbar Spine and total hip bone mineral densitythroughout study

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 28, 2026