MedPath

Comparison of Raloxifene and Lasofoxifene - A Randomized, Blinded Study of These Drugs and Placebo on Bone Loss

Phase 3
Completed
Conditions
Osteoporosis
Interventions
Registration Number
NCT00163137
Lead Sponsor
Ligand Pharmaceuticals
Brief Summary

To compare the effects of 2 years of lasofoxifene treatment with 2 years of raloxifene 60 mg/day use and 2 years of placebo use on bone mineral density (BMD) of the lumbar spine.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Female
Target Recruitment
540
Inclusion Criteria
  • Postmenopausal women with low bone density (osteopenia) and screening labs, pelvic ultrasound, mammogram without significant findings
Exclusion Criteria
  • Presence of metabolic bone disease, fractures, blood clots, or recent cancer.
  • Any use of selective estrogen receptor modulators, investigational drugs, or recent use of osteoporosis treatments, certain hormones, or medication for blood clots or seizures.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
raloxifeneraloxifeneraloxifene 60 mg/day
Lasofoxifene 0.25 mglasofoxifenelasofoxifene 0.25 mg/day
PlaceboPlaceboPlacebo
Primary Outcome Measures
NameTimeMethod
Spine BMD after 2 years2 years

Lumbar Spine Bome Mineral Density

Secondary Outcome Measures
NameTimeMethod
Hip BMD and LDL-C after 2 years, vaginal pH and Maturation Index after 1 yearHip BMD= 24 months, LDL-C= 24 months, vaginal pH= 24 months, vaginal epithelial parabasel cells= 12 months

Direct low density lipoprotein cholesterol (LDL-C) at 24 months, vaginal pH at 24 months, vaginal epithelial parabasal cells at 12 months, and total hip BMD at 24 months.

Trial Locations

Locations (1)

Pfizer Investigational Site

🇺🇸

Seattle, Washington, United States

© Copyright 2025. All Rights Reserved by MedPath