NCT00247273

Brief Summary

The purpose of this trial is to study the efficacy of a single-dose monthly dosing regimen as compared to the standard daily dosing regimen of risedronate 5 mg daily.

Trial Health

98
On Track

Trial Health Score

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

Enrollment
1,294

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Oct 2005

Geographic Reach
13 countries

46 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

October 1, 2005

Completed
27 days until next milestone

First Submitted

Initial submission to the registry

October 28, 2005

Completed
4 days until next milestone

First Posted

Study publicly available on registry

November 1, 2005

Completed
2.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2008

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2008

Completed
3.2 years until next milestone

Results Posted

Study results publicly available

June 21, 2011

Completed
Last Updated

April 22, 2013

Status Verified

April 1, 2013

Enrollment Period

2.4 years

First QC Date

October 28, 2005

Results QC Date

March 4, 2011

Last Update Submit

April 15, 2013

Conditions

Keywords

randomized controlled trial, osteoporosis, risedronate

Outcome Measures

Primary Outcomes (1)

  • Percent Change From Baseline in Lumbar Spine Bone Mineral Density (BMD) at Month 12-Endpoint in Women With Postmenopausal Osteoporosis, Primary Efficacy Population

    BMD assessed using dual-energy x-ray absorptiometry (DXA) using Hologic or Lunar equipment. LOCF - last observation carried forward (Last post-baseline measurement available to Month 12).

    Baseline to Month 12 - Endpoint

Secondary Outcomes (19)

  • Percent Change From Baseline in Lumbar Spine BMD at Month 12, ITT Population

    Baseline to Month 12

  • Change From Baseline in Lumbar Spine BMD at Month 12, ITT Population

    Baseline to Month 12

  • Percent Change From Baseline in Lumbar Spine BMD at Month 24-Endpoint, Endpoint Population (Month 24)

    Baseline to Month 24 - Endpoint

  • Percent Change From Baseline in Lumbar Spine BMD at Month 24, ITT Population

    Baseline to Month 24

  • Change From Baseline in Lumbar Spine BMD at Month 24, ITT Population

    Baseline to Month 24

  • +14 more secondary outcomes

Study Arms (2)

1

ACTIVE COMPARATOR

5 mg risedronate, once daily for 2 years

Drug: risedronate

2

EXPERIMENTAL

150 mg risedronate taken once a month for 2 years

Drug: risedronate

Interventions

tablet, 5 mg risedronate, once a day for 2 years

1

Eligibility Criteria

Age50 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Female: 50 years of age or older
  • \>5 years since last menses natural or surgical
  • have lumbar spine BMD (bone mineral density) more that 2.5 standard deviations (SD) below the young adult mean, or have 1-spine BMD more than 2.0 SD below the young adult female mean value and also have at least one prevalent vertebral body fracture

You may not qualify if:

  • history of uncontrolled hyperparathyroidism, hyperthyroidism, osteomalacia
  • BMI (body mass index) \>32 kg/m\^2
  • use of medications within 3 months of starting study drug that impact bone metabolism such as glucocorticoids, estrogens, calcitonin, calcitriol, other bisphosphonates and parathyroid hormone
  • hypocalcemia or hypercalcemia of any cause
  • markedly abnormal clinical laboratory measurements that are assessed as clinically significant by the investigator

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (49)

Research Site

Lakewood, Colorado, 80227, United States

Location

Research Site

Gainesville, Georgia, 30501, United States

Location

Research Site

Bethesda, Maryland, 20817, United States

Location

Research Site

Omaha, Nebraska, 068131, United States

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Research Site

West Haverstraw, New York, 10983, United States

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Research Site

Cincinnati, Ohio, 45219, United States

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Research Site

Portland, Oregon, 97212, United States

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Research Site

Buenos Aires, Buenos Aires, Argentina

Location

Research Site

Capital Federal, Argentina

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Research Site

Geelong, Australia

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Heidelberg, Victoria, Australia

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Saint Leonards, Australia

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Research Site

Brussels, Belgium

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Research Site

Ghent, Belgium

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Research Site

Leuven, Belgium

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Liège, Belgium

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Research Site

Mont Godinne, Belgium

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Rio de Janeiro, Brazil

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São Paulo, Brazil

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Calgary, Canada

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Montreal, Canada

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Sainte-Foy, Canada

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Saskatoon, Canada

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Pärnu, Estonia

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Tartu, Estonia

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Helsinki, Finland

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Kuopio, Finland

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Oulu, Finland

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Turku, Finland

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Amiens, France

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Lyon, France

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Orléans, France

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Paris, France

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Toulouse, France

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Vandœuvre-lès-Nancy, France

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Balatonfüred, Hungary

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Budapest, Hungary

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Győr, Hungary

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Miskolc, Hungary

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Nagykanizs, Hungary

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Beirut, Lebanon

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Oslo, Norway

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Paradis, Norway

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Trondheim, Norway

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Bialystok, Poland

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Warsaw, Poland

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Barcelona, Spain

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Granada, Spain

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Research Site

Madrid, Spain

Location

MeSH Terms

Conditions

Osteoporosis, PostmenopausalOsteoporosis

Interventions

Risedronic Acid

Condition Hierarchy (Ancestors)

Bone Diseases, MetabolicBone DiseasesMusculoskeletal DiseasesMetabolic DiseasesNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

DiphosphonatesOrganophosphonatesOrganophosphorus CompoundsOrganic ChemicalsPyridinesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Results Point of Contact

Title
Grexan Wulff, Manager Regulatory Affairs
Organization
Warner Chilcott

Study Officials

  • Sal Bartelmo, MD

    P&G

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
LTE60
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 28, 2005

First Posted

November 1, 2005

Study Start

October 1, 2005

Primary Completion

March 1, 2008

Study Completion

April 1, 2008

Last Updated

April 22, 2013

Results First Posted

June 21, 2011

Record last verified: 2013-04

Locations