Influence of Alfacalcidol on Falls in Osteopenic/Osteoporotic Postmenopausal Women (ALFA Study)
1 other identifier
interventional
282
1 country
2
Brief Summary
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)
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Jun 2003
Longer than P75 for phase_4
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2003
CompletedFirst Submitted
Initial submission to the registry
September 9, 2005
CompletedFirst Posted
Study publicly available on registry
September 15, 2005
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2007
CompletedStudy Completion
Last participant's last visit for all outcomes
May 1, 2008
CompletedMay 9, 2008
May 1, 2008
4.1 years
September 9, 2005
May 8, 2008
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
primary outcome: number of fallers (patients with at least one locomotor fall incl.mixed falls)
3 years
Secondary Outcomes (1)
secondary outcome: number of falls (locomotor falls, incl.mixed falls), all falls/fallers, neuromuscular parameters, BMD, biochemical parameters of calcium and bone metabolism; cognition and moods; muscle biopsies
3 years
Study Arms (2)
1
EXPERIMENTALalfacalcidol 1µg/d
2
PLACEBO COMPARATORplacebo
Interventions
Eligibility Criteria
You may qualify if:
- age \> 65 years
- postmenopausal women
- osteopenia/osteoporosis as defined by WHO criteria
You may not qualify if:
- 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
- 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)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Centre for Muscle and Bone Research, Charité - Campus Benjamin Franklin
Berlin, 12200, Germany
Centre for Muscle and Bone Research, Aerpah-Kliniken Esslingen
Stuttgart, 73732, Germany
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Dieter Felsenberg, Prof. Dr.
Centre for Muscle and Bone Research, Charité - Campus Benjamin Franklin, Berlin, Germany
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
September 9, 2005
First Posted
September 15, 2005
Study Start
June 1, 2003
Primary Completion
July 1, 2007
Study Completion
May 1, 2008
Last Updated
May 9, 2008
Record last verified: 2008-05