Efficacy and Safety of Odanacatib in Postmenopausal Women Previously Treated With Alendronate (MK-0822-050)

NCT ID: NCT01552122

Last Updated: 2015-08-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

PHASE3

Study Classification

INTERVENTIONAL

Study Start Date

2012-05-31

Study Completion Date

2015-02-28

Brief Summary

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This study will evaluate the therapeutic effects and safety of odanacatib on bone mineral density in osteoporotic postmenopausal women who were previously treated with alendronate.

Detailed Description

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Conditions

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Osteoporosis Postmenopausal Osteoporosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Odanacatib

Group Type EXPERIMENTAL

Odanacatib

Intervention Type DRUG

Odanacatib 50 mg compressed tablet will be administered orally, once-a-week, for 24 months

Cholecalciferol (Vitamin D3)

Intervention Type DIETARY_SUPPLEMENT

Two (2) 2800 IU compressed tablets administered orally, once-a-week, for 24 months.

Calcium carbonate

Intervention Type DIETARY_SUPPLEMENT

Dietary and supplemental sources, taken as needed, to ensure a total daily calcium intake of approximately 1200 mg.

Placebo (alendronate)

Intervention Type OTHER

One compressed tablet administered orally, once-a-week, for 24 months.

Alendronate

Group Type ACTIVE_COMPARATOR

Alendronate

Intervention Type DRUG

Alendronate 70 mg compressed tablets will be administered orally, once-a-week, for 24 months; and a reduced dose of 35 mg will be administered in the same fashion to a subset of women, Japanese participants only, for the same 24-month duration.

Placebo (odanacatib)

Intervention Type OTHER

One compressed tablet administered orally, once-a-week, for 24 months.

Cholecalciferol (Vitamin D3)

Intervention Type DIETARY_SUPPLEMENT

Two (2) 2800 IU compressed tablets administered orally, once-a-week, for 24 months.

Calcium carbonate

Intervention Type DIETARY_SUPPLEMENT

Dietary and supplemental sources, taken as needed, to ensure a total daily calcium intake of approximately 1200 mg.

Interventions

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Odanacatib

Odanacatib 50 mg compressed tablet will be administered orally, once-a-week, for 24 months

Intervention Type DRUG

Alendronate

Alendronate 70 mg compressed tablets will be administered orally, once-a-week, for 24 months; and a reduced dose of 35 mg will be administered in the same fashion to a subset of women, Japanese participants only, for the same 24-month duration.

Intervention Type DRUG

Placebo (odanacatib)

One compressed tablet administered orally, once-a-week, for 24 months.

Intervention Type OTHER

Cholecalciferol (Vitamin D3)

Two (2) 2800 IU compressed tablets administered orally, once-a-week, for 24 months.

Intervention Type DIETARY_SUPPLEMENT

Calcium carbonate

Dietary and supplemental sources, taken as needed, to ensure a total daily calcium intake of approximately 1200 mg.

Intervention Type DIETARY_SUPPLEMENT

Placebo (alendronate)

One compressed tablet administered orally, once-a-week, for 24 months.

Intervention Type OTHER

Other Intervention Names

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MK-0822 Alendronate Sodium Fosamax

Eligibility Criteria

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Inclusion Criteria

* In good general health, and postmenopausal for at least 5 years or more
* Diagnosed with postmenopausal osteoporosis
* Currently taking alendronate for at least 3 years or more for the treatment of osteoporosis
* One hip free of orthopedic hardware (ie, total hip device, hip pin); anatomy is suitable to undergo a dual-emission X-ray absorptiometry (DXA) scan (ie, bone mineral density scan)
* Agrees to not to use any other medications for the treatment of osteoporosis except those provided to the participant during the study

Exclusion Criteria

* Evidence of metabolic bone disorder
* History of malignancy (cancer) for 5 years or less
* Active thyroid disease that cannot be managed with medication
* Severe renal insufficiency (kidney disease), myocardial infarction, unstable angina, stroke or revascularization, untreated malabsorption syndrome, and/or osteonecrosis of the jaw, or anticipates undergoing a major dental procedure (e.g. dental extraction or implantation)
* Use, misuse, abuse, and/or addiction of illicit drugs and/or recent history

(within the last year) of drug or alcohol abuse or dependence

* Use of estrogen with or without progestin and/or raloxifene (ie, Evista®) or tamoxifen (ie, Nolvadex®, Tamofen®)
* Use of any oral bisphosphonate therapy other than alendronate; intravenous bisphosphonates (zoledronate, ibandronate, pamidronate); any form of calcitonin other than intranasal; anabolic steroids; and/or Strontium-containing products (ie, Osteovalin™)
Minimum Eligible Age

60 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Merck Sharp & Dohme LLC

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Other Identifiers

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0822-050

Identifier Type: -

Identifier Source: org_study_id

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