Study of Safety and Efficacy of an Oral Contraceptive

NCT ID: NCT00932321

Last Updated: 2013-04-22

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

938 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-01-31

Study Completion Date

2004-11-30

Brief Summary

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This is a comparative study. The primary objective of the study is to assess the efficacy of a low dose oral contraceptive in the prevention of pregnancy. The secondary objectives are to assess the incidence of intracyclic bleeding of norethindrone acetate/ethinyl estradiol (NETA/EE) administered for 24 days and NETA/EE administered for 21 days; and to assess the safety and tolerability of the product.

Detailed Description

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Conditions

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Prevention of Pregnancy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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24 Day NA/EE

Norethindrone acetate 1 mg /ethinyl estradiol 20 mcg for 24 days of each 28 day cycle

Group Type EXPERIMENTAL

Norethindrone Acetate/Ethinyl Estradiol 24 Days

Intervention Type DRUG

One tablet per day for 24 days of each 28 day cycle followed by 4 placebo tablets

21 Day NA/EE

Norethindrone acetate 1 mg/ethinyl estradiol 20 mcg for 21 days of each 28 day cycle

Group Type ACTIVE_COMPARATOR

Norethindrone Acetate /Ethinyl Estradiol 21 Days

Intervention Type DRUG

One tablet per day for 21 days of each 28 day cycle followed by 7 placebo tablets

Interventions

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Norethindrone Acetate/Ethinyl Estradiol 24 Days

One tablet per day for 24 days of each 28 day cycle followed by 4 placebo tablets

Intervention Type DRUG

Norethindrone Acetate /Ethinyl Estradiol 21 Days

One tablet per day for 21 days of each 28 day cycle followed by 7 placebo tablets

Intervention Type DRUG

Other Intervention Names

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21 Day NA/EE

Eligibility Criteria

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Inclusion Criteria

* Healthy Women
* Age 18-45
* At risk for pregnancy
* History of regular cycles

Exclusion Criteria

* Contraindications for use of hormonal contraception
* Conditions which affect the absorption or metabolism of steroid hormones
* BMI \> 35
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes

Sponsors

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Warner Chilcott

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Herman Ellman, MD

Role: STUDY_DIRECTOR

Sponsor GmbH

Locations

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Warner Chilcott Investigational Site

Birmingham, Alabama, United States

Site Status

Warner Chilcott Investigational Site

Phoenix, Arizona, United States

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Phoenix, Arizona, United States

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Chico, California, United States

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Los Angeles, California, United States

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San Diego, California, United States

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San Diego, California, United States

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Denver, Colorado, United States

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Boynton Beach, Florida, United States

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Jacksonville, Florida, United States

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Miami, Florida, United States

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Palm Harbor, Florida, United States

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Venice, Florida, United States

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West Palm Beach, Florida, United States

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Decatur, Georgia, United States

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Decatur, Georgia, United States

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Powder Springs, Georgia, United States

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Roswell, Georgia, United States

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Savannah, Georgia, United States

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Louisville, Kentucky, United States

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Kansas City, Missouri, United States

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St Louis, Missouri, United States

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New Bern, North Carolina, United States

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Winston-Salem, North Carolina, United States

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Allentown, Pennsylvania, United States

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Philadelphia, Pennsylvania, United States

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Pittsburgh, Pennsylvania, United States

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Charleston, South Carolina, United States

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Greenville, South Carolina, United States

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Sandy City, Utah, United States

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Norfolk, Virginia, United States

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Richmond, Virginia, United States

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Virginia Beach, Virginia, United States

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Warner Chilcott Investigational Site

Seattle, Washington, United States

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Countries

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United States

Other Identifiers

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PR-03903

Identifier Type: -

Identifier Source: org_study_id

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