NCT00168909

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
282

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Jun 2003

Longer than P75 for phase_4

Geographic Reach
1 country

2 active sites

Status
completed

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

Completed
2.3 years until next milestone

First Submitted

Initial submission to the registry

September 9, 2005

Completed
6 days until next milestone

First Posted

Study publicly available on registry

September 15, 2005

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2007

Completed
10 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2008

Completed
Last Updated

May 9, 2008

Status Verified

May 1, 2008

Enrollment Period

4.1 years

First QC Date

September 9, 2005

Last Update Submit

May 8, 2008

Conditions

Keywords

osteoporosisfrailtyfalls

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

EXPERIMENTAL

alfacalcidol 1µg/d

Drug: alfacalcidol

2

PLACEBO COMPARATOR

placebo

Drug: placebo

Interventions

alfacalcidol 1 µg once daily, oral, for 3 years

1

placebo once daily, oral, for 3 years

2

Eligibility Criteria

Age65 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsOlder Adult (65+)

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

Location

Centre for Muscle and Bone Research, Aerpah-Kliniken Esslingen

Stuttgart, 73732, Germany

Location

MeSH Terms

Conditions

Osteoporosis, PostmenopausalBone Diseases, MetabolicOsteoporosisFrailty

Interventions

alfacalcidol

Condition Hierarchy (Ancestors)

Bone DiseasesMusculoskeletal DiseasesMetabolic DiseasesNutritional and Metabolic DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Dieter Felsenberg, Prof. Dr.

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

    STUDY CHAIR

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

Locations