NCT00163137

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.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
540

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started May 2003

Geographic Reach
1 country

72 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2003

Completed
2.4 years until next milestone

First Submitted

Initial submission to the registry

September 9, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

September 13, 2005

Completed
18 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2005

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 1, 2005

Completed
Last Updated

August 12, 2011

Status Verified

August 1, 2011

Enrollment Period

2.4 years

First QC Date

September 9, 2005

Last Update Submit

August 10, 2011

Conditions

Outcome Measures

Primary Outcomes (1)

  • Spine BMD after 2 years

    Lumbar Spine Bome Mineral Density

    2 years

Secondary Outcomes (1)

  • Hip BMD and LDL-C after 2 years, vaginal pH and Maturation Index after 1 year

    Hip BMD= 24 months, LDL-C= 24 months, vaginal pH= 24 months, vaginal epithelial parabasel cells= 12 months

Study Arms (3)

Lasofoxifene 0.25 mg

EXPERIMENTAL

lasofoxifene 0.25 mg/day

Drug: lasofoxifene

raloxifene

ACTIVE COMPARATOR

raloxifene 60 mg/day

Drug: raloxifene

Placebo

PLACEBO COMPARATOR

Placebo

Drug: Placebo

Interventions

lasofoxifene 0.25mg

Lasofoxifene 0.25 mg

raloxifene 60 mg/day

raloxifene

0 mg/day

Placebo

Eligibility Criteria

Age48 Years - 75 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Postmenopausal women with low bone density (osteopenia) and screening labs, pelvic ultrasound, mammogram without significant findings

You may not qualify if:

  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (72)

Pfizer Investigational Site

Albany, California, 94706, United States

Location

Pfizer Investigational Site

Berkeley, California, 94705, United States

Location

Pfizer Investigational Site

La Jolla, California, 92037, United States

Location

Pfizer Investigational Site

La Jolla, California, 92093-0659, United States

Location

Pfizer Investigational Site

Oakland, California, 94609, United States

Location

Pfizer Investigational Site

Oakland, California, 94612, United States

Location

Pfizer Investigational Site

Palo Alto, California, 94304, United States

Location

Pfizer Investigational Site

Poway, California, 92064, United States

Location

Pfizer Investigational Site

San Diego, California, 92103, United States

Location

Pfizer Investigational Site

San Diego, California, 92123, United States

Location

Pfizer Investigational Site

San Diego, California, 92128, United States

Location

Pfizer Investigational Site

Newark, Delaware, 19713-2094, United States

Location

Pfizer Investigational Site

Brandon, Florida, 33511-5964, United States

Location

Pfizer Investigational Site

Gainesville, Florida, 32605, United States

Location

Pfizer Investigational Site

Gainesville, Florida, 32607, United States

Location

Pfizer Investigational Site

Key Largo, Florida, 33037, United States

Location

Pfizer Investigational Site

Lake Worth, Florida, 33461, United States

Location

Pfizer Investigational Site

Leesburg, Florida, 34748, United States

Location

Pfizer Investigational Site

Miami, Florida, 33143, United States

Location

Pfizer Investigational Site

Miami, Florida, 33173, United States

Location

Pfizer Investigational Site

Miami, Florida, 33176, United States

Location

Pfizer Investigational Site

Tampa, Florida, 33607, United States

Location

Pfizer Investigational Site

Tampa, Florida, 33613-3946, United States

Location

Pfizer Investigational Site

Tampa, Florida, 33614-7118, United States

Location

Pfizer Investigational Site

West Palm Beach, Florida, 33407, United States

Location

Pfizer Investigational Site

Atlanta, Georgia, 30308, United States

Location

Pfizer Investigational Site

Chicago, Illinois, 60610, United States

Location

Pfizer Investigational Site

Des Moines, Iowa, 50309, United States

Location

Pfizer Investigational Site

Wichita, Kansas, 67207, United States

Location

Pfizer Investigational Site

Portland, Maine, 04102, United States

Location

Pfizer Investigational Site

Bethesda, Maryland, 20817, United States

Location

Pfizer Investigational Site

Gaithersberg, Maryland, 20886, United States

Location

Pfizer Investigational Site

Detroit, Michigan, 48201, United States

Location

Pfizer Investigational Site

Detroit, Michigan, 48236, United States

Location

Pfizer Investigational Site

Southfield, Michigan, 48034, United States

Location

Pfizer Investigational Site

Arden Hills, Minnesota, 55112, United States

Location

Pfizer Investigational Site

Minneapolis, Minnesota, 55415-1226, United States

Location

Pfizer Investigational Site

Albuquerque, New Mexico, 87102, United States

Location

Pfizer Investigational Site

Albuquerque, New Mexico, 87106, United States

Location

Pfizer Investigational Site

Akron, Ohio, 44312-1647, United States

Location

Pfizer Investigational Site

Akron, Ohio, 44314, United States

Location

Pfizer Investigational Site

Cleveland, Ohio, 44195, United States

Location

Pfizer Investigational Site

Portland, Oregon, 97213, United States

Location

Pfizer Investigational Site

Portland, Oregon, 97220, United States

Location

Pfizer Investigational Site

Monessen, Pennsylvania, 15062, United States

Location

Pfizer Investigational Site

Mosessen, Pennsylvania, 15062, United States

Location

Pfizer Investigational Site

Pittsburgh, Pennsylvania, 15213, United States

Location

Pfizer Investigational Site

West Reading, Pennsylvania, 19611, United States

Location

Pfizer Investigational Site

Wyomissing, Pennsylvania, 19610-2132, United States

Location

Pfizer Investigational Site

Wyomissing, Pennsylvania, 19610, United States

Location

Pfizer Investigational Site

Chattanooga, Tennessee, 37403, United States

Location

Pfizer Investigational Site

Chattanooga, Tennessee, 37412, United States

Location

Pfizer Investigational Site

Cordova, Tennessee, 38018, United States

Location

Pfizer Investigational Site

Germantown, Tennessee, 38138, United States

Location

Pfizer Investigational Site

Memphis, Tennessee, 38119, United States

Location

Pfizer Investigational Site

Nashville, Tennessee, 37203, United States

Location

Pfizer Investigational Site

Dallas, Texas, 75230, United States

Location

Pfizer Investigational Site

American Fork, Utah, 84003, United States

Location

Pfizer Investigational Site

Pleasant Grove, Utah, 84062, United States

Location

Pfizer Investigational Site

Provo, Utah, 84064, United States

Location

Pfizer Investigational Site

Salt Lake City, Utah, 84102, United States

Location

Pfizer Investigational Site

West Jordan, Utah, 84088, United States

Location

Pfizer Investigational Site

Chesapeake, Virginia, 23320, United States

Location

Pfizer Investigational Site

Norfolk, Virginia, 23502, United States

Location

Pfizer Investigational Site

Richmond, Virginia, 23221, United States

Location

Pfizer Investigational Site

Richmond, Virginia, 23225, United States

Location

Pfizer Investigational Site

Richmond, Virginia, 23229, United States

Location

Pfizer Investigational Site

Richmond, Virginia, 23294, United States

Location

Pfizer Investigational Site

Richmond, Virginia, 23454, United States

Location

Pfizer Investigational Site

Virginia Beach, Virginia, 23454, United States

Location

Pfizer Investigational Site

Seattle, Washington, 98104, United States

Location

Pfizer Investigational Site

Seattle, Washington, 98144, United States

Location

MeSH Terms

Conditions

Osteoporosis

Interventions

LasofoxifeneRaloxifene Hydrochloride

Condition Hierarchy (Ancestors)

Bone Diseases, MetabolicBone DiseasesMusculoskeletal DiseasesMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

TamoxifenStilbenesBenzylidene CompoundsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

September 9, 2005

First Posted

September 13, 2005

Study Start

May 1, 2003

Primary Completion

October 1, 2005

Study Completion

October 1, 2005

Last Updated

August 12, 2011

Record last verified: 2011-08

Locations