Influence of Alfacalcidol on Falls in Osteopenic/Osteoporotic Postmenopausal Women (ALFA Study)

NCT ID: NCT00168909

Last Updated: 2008-05-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

282 participants

Study Classification

INTERVENTIONAL

Study Start Date

2003-06-30

Study Completion Date

2008-05-31

Brief Summary

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The purpose of this study is to evaluate the effect of alfacalcidol 1 µg daily on the number of fallers in postmenopausal, alendronate-treated, osteopenic or osteoporotic women.

primary outcome = number of fallers (patients with at least one locomotor fall incl.mixed falls)

Detailed Description

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Conditions

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Osteoporosis, Postmenopausal Osteopenia Falls

Keywords

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osteoporosis frailty falls

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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1

alfacalcidol 1µg/d

Group Type EXPERIMENTAL

alfacalcidol

Intervention Type DRUG

alfacalcidol 1 µg once daily, oral, for 3 years

2

placebo

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DRUG

placebo once daily, oral, for 3 years

Interventions

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alfacalcidol

alfacalcidol 1 µg once daily, oral, for 3 years

Intervention Type DRUG

placebo

placebo once daily, oral, for 3 years

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* age \> 65 years
* postmenopausal women
* osteopenia/osteoporosis as defined by WHO criteria

Exclusion Criteria

* Neoplasm or other severe diseases with life expectancy less than one year or expectation of rapid worsening within one year
* Chronic inflammatory rheumatoid disease
* Arthritis with continuous pain and influence on locomotion
* Inflammatory or metabolic bone disease, excluding osteoporosis.
* Subjects with antiosteoporotic medications who are not willing to switch over to alendronate treatment. Estrogen treatment can be continued
* 25-OH-Vitamin D3 \< 12 ng/ml (12 ng/ml = 30 mmol/L)
* Systemic corticosteroid treatments of more than one month within previous 12 months
* Intolerability for alfacalcidol
* Hypercalcaemia (\>2,7 mmol/l)
* Milk alkali syndrome
* Uncorrected, severe visual impairments
* Creatinin \> 2.5 mg/dl (\>220 µmol/L)
Minimum Eligible Age

65 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Charite University, Berlin, Germany

OTHER

Sponsor Role lead

Responsible Party

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Charité - Campus Benjamin Franklin, Centre for Muscle and Bone Research, Hindenburgdamm 30, 12200 Berlin, Germany

Principal Investigators

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Dieter Felsenberg, Prof. Dr.

Role: STUDY_CHAIR

Centre for Muscle and Bone Research, Charité - Campus Benjamin Franklin, Berlin, Germany

Locations

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Centre for Muscle and Bone Research, Charité - Campus Benjamin Franklin

Berlin, , Germany

Site Status

Centre for Muscle and Bone Research, Aerpah-Kliniken Esslingen

Stuttgart, , Germany

Site Status

Countries

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Germany

Other Identifiers

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ek.213-07 (IRB)

Identifier Type: -

Identifier Source: org_study_id