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A Study of Once Monthly Bonviva (Ibandronate) in Prevention of Glucocorticoid-Induced Osteoporosis.

Phase 4
Completed
Conditions
Postmenopausal Osteoporosis
Interventions
Drug: Placebo
Drug: ibandronate
Registration Number
NCT00545051
Lead Sponsor
Hoffmann-La Roche
Brief Summary

This 2 arm study will investigate the efficacy and safety of Bonviva (150mg po monthly) in the prevention of glucocorticoid-induced osteoporosis in post-menopausal women. Patients will be randomized to receive either Bonviva 150mg po or placebo monthly, with vitamin D and calcium supplementation. The anticipated time on study treatment is 1-2 years, and the target sample size is 100-500 individuals.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
140
Inclusion Criteria
  • post-menopausal women, 50-85 years of age;
  • any inflammatory rheumatoid disease including polymyalgia rheumatica;
  • receiving treatment with 5-15 mg/day of prednisolone.
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Exclusion Criteria
  • previous treatment with an iv bisphosphonate at any time;
  • previous treatment with an oral bisphosphonate within the last 6 months, >1 month of treatment within last year, or >3 months of treatment within last 2 years;
  • treatment with parathyroid hormone in last 2 years;
  • inability to stand or sit in an upright position for at least 60 minutes;
  • inability to swallow a tablet whole;
  • history of major gastrointestinal disease.
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Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
PlaceboPlaceboParticipants received monthly oral placebo for 12 months.
IbandronateibandronateParticipants received monthly oral ibandronate (150 milligrams \[mg\]) for 12 months.
Primary Outcome Measures
NameTimeMethod
Percent Change From Baseline in Mean Lumbar Spine Bone Mineral Density (BMD) at Month 12Baseline and Month 12

Lumbar spine BMD was measured at Baseline, and Months 6 and 12 using dual-energy x-ray absorptiometry (DXA). Percent change from Baseline to Month 12 was calculated using analysis of covariance.

Secondary Outcome Measures
NameTimeMethod
Percent Change From Baseline in Mean Lumbar Spine BMD at Month 6Baseline and Month 6

Lumbar spine BMD was measured at Baseline and Month 6 using DXA. Percent change from Baseline to Month 6 was calculated using analysis of covariance.

Percent Change From Baseline in Bone Turnover Markers at Month 1, Month 6 and Month 12Baseline and Months 1, 6 and 12

Serum C-terminal Telopeptide of Type 1 Collagen (sCTX), Serum Procollagen Type 1 N-terminal Propeptide (P1NP) and Serum Bone Tartrate-resistant Acid Phosphatase Isoform 5b (TRACP) are measures of bone resorption and are measured as nanograms per milliliter (ng/mL). Percent change from Baseline to Months 1, 6 and 12 was calculated using analysis of covariance for repeated measurements.

Percentage of Participants Withdrawn Due to Worsening in BMD at 6 Months and/or Worsening in BMD at Least 7 Percent (%) at Any Site at 6 MonthsMonth 6

Worsening in BMD was defined as BMD T-score at any site less than or equal to (≤) - 2.5 standard deviations and/or worsening in BMD of at least 7% at any site.

Percent Change From Baseline in Mean Total Hip BMD at Month 6 and Month 12Baseline and Months 6 and 12

Left total hip BMD was measured by DXA at Baseline, and Months 6 and 12. If there was prosthesis of left hip, the measurement of right total hip BMD was done by DXA. Percent change from Baseline to Months 6 and 12 was calculated using analysis of (co)variance for repeated measurements.

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