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Efficacy and Safety Study of Norethindrone Acetate Transdermal Delivery System in Contraception (Simplify)

This study has been completed.
Information provided by (Responsible Party):
Watson Pharmaceuticals Identifier:
First received: May 18, 2010
Last updated: September 13, 2013
Last verified: September 2013
The purpose of this study is to determine whether NEA TDS is effective in the prevention of pregnancy. The safety of this product will also be evaluated.

Condition Intervention Phase
Contraceptive Usage
Drug: Norethindrone Acetate
Phase 3

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Prevention
Official Title: An Open Label Study to Evaluate the Contraceptive Efficacy and Safety of Norethindrone Acetate Transdermal Delivery System

Resource links provided by NLM:

Further study details as provided by Watson Pharmaceuticals:

Primary Outcome Measures:
  • Pregnancy Rate [ Time Frame: 1 year ]
    The pregnancy rate will be calculated using the Pearl Index that defined as 1300*Number of pregnancies/Number of cycles of treatment.

Enrollment: 1659
Study Start Date: May 2010
Study Completion Date: March 2012
Primary Completion Date: March 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: Active treatment
Norethindrone Acetate Transdermal Delivery System
Drug: Norethindrone Acetate
Norethindrone Acetate Transdermal Delivery System
Other Name: NEA TDS

Detailed Description:
An Open Label Study to Evaluate the Contraceptive Efficacy and Safety of Norethindrone Acetate Transdermal Delivery System.

Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Healthy females
  • 18-45 years
  • Regular, consistent menstrual cycles between 25 and 35 days
  • Sexually active and at risk of becoming pregnant

Exclusion Criteria:

  • History of infertility
  • Known contraindications to progestogen administration
  • Pap smear suggestive of a high-grade precancerous lesion(s)
  • Clinically significant deviation from normal in any of the screening tests or exams
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01140217

  Show 53 Study Locations
Sponsors and Collaborators
Watson Pharmaceuticals
Study Director: Kim E Caramelli, MS Watson Pharmaceuticals, Inc.
  More Information

Responsible Party: Watson Pharmaceuticals Identifier: NCT01140217     History of Changes
Other Study ID Numbers: NE0906
Study First Received: May 18, 2010
Last Updated: September 13, 2013

Keywords provided by Watson Pharmaceuticals:

Additional relevant MeSH terms:
Norethindrone acetate
Contraceptives, Oral, Synthetic
Contraceptives, Oral
Contraceptive Agents, Female
Contraceptive Agents
Reproductive Control Agents
Physiological Effects of Drugs processed this record on May 25, 2017