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YAZ, Oral Contraceptive Registration in China
This study is ongoing, but not recruiting participants.
First Received: January 5, 2009   Last Updated: January 8, 2010   History of Changes
Sponsor: Bayer
Information provided by: Bayer
ClinicalTrials.gov Identifier: NCT00819312
  Purpose

The purpose of this study is to evaluate the effectiveness in terms of prevention of pregnancy and safety of the oral contraceptive YAZ in healthy Chinese women.


Condition Intervention Phase
Contraception
Drug: YAZ (SH T00186, BAY86-5300)
Phase III

Study Type: Interventional
Study Design: Prevention, Non-Randomized, Open Label, Single Group Assignment, Safety/Efficacy Study
Official Title: A Multicenter, Open-label, Single-arm Study to Investigate the Efficacy and Safety of the Oral Contraceptive YAZ (20 μg Ethinylestradiol, 3 mg Drospirenone) for 13 Cycles in 670 Healthy Chinese Female Volunteers.

Resource links provided by NLM:


Further study details as provided by Bayer:

Primary Outcome Measures:
  • The primary efficacy variable is the number of unintended pregnancies as measured by the Pearl Index (PI) during 13 cycles of treatment. [ Time Frame: 13 cycles (1 cycle= 28 days) ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Bleeding pattern indices [ Time Frame: 13 cycles ] [ Designated as safety issue: No ]
  • Cycle control parameters [ Time Frame: 13 cycles ] [ Designated as safety issue: No ]
  • Adverse events [ Time Frame: Whole study period ] [ Designated as safety issue: Yes ]
  • Laboratory tests [ Time Frame: Whole study period ] [ Designated as safety issue: Yes ]

Enrollment: 670
Study Start Date: December 2008
Estimated Study Completion Date: January 2011
Estimated Primary Completion Date: January 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Arm 1: Experimental Drug: YAZ (SH T00186, BAY86-5300)
20ug ethinylestradiol, 3mg drospirenone, tablet, orally, opd

  Eligibility

Ages Eligible for Study:   18 Years to 45 Years
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Healthy women between 18 and 45 requesting oral contraception.
  • Smokers may not exceed 30 years of age.

Exclusion Criteria:

  • The use of steroidal oral contraceptives , or any drug that could alter oral contraception metabolism will be prohibited during the study.
  • Pregnancy, lactation (less than 3 menstrual cycles since delivery, abortion or lactation before start of treatment)
  • Menstrual disorders suspicious of ovarian failure (e.g. oligomenorrhea, amenorrhea, hypomenorrhea
  • Any disease or condition that may worsen under hormonal treatment
  • Other contraceptive methods such as sterilization or IUD/IUS
  • Substantial overweight (BMI > 30 kg/m2).
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00819312

Locations
China
Shanghai, China, 200011
Shanghai, China, 200127
Beijing, China, 100034
Beijing, China, 100044
Chongqing, China, 400016
Chongqing, China, 400010
China, Guangdong
Guangzhou, Guangdong, China, 510630
Guangzhou, Guangdong, China, 510120
China, Hubei
Wuhan, Hubei, China, 430030
China, Jiangsu
Nanjing, Jiangsu, China, 210009
Nanjing, Jiangsu, China, 210006
Yangzhou, Jiangsu, China, 225001
China, Liaoning
Shenyang, Liaoning, China, 110003
China, Shandong
Jinan, Shandong, China, 250012
China, Shanxi
Xi'an, Shanxi, China, 710032
China, Sichuan
Chengdu, Sichuan, China, 610041
Hong Kong
Hong Kong, Hong Kong
Sponsors and Collaborators
Bayer
Investigators
Study Director: Bayer Study Director Bayer
  More Information

Additional Information:
No publications provided

Responsible Party: Bayer Schering Pharma AG ( Therapeutic Area Head )
Study ID Numbers: 91619, 311041
Study First Received: January 5, 2009
Last Updated: January 8, 2010
ClinicalTrials.gov Identifier: NCT00819312     History of Changes
Health Authority: China: State Food and Drug Administration (SFDA)

Keywords provided by Bayer:
Contraceptives,
Oral Hormonal;
Contraceptive Methods;
Contraceptives,
Female

Additional relevant MeSH terms:
Estrogens
Contraceptive Agents
Therapeutic Uses
Physiological Effects of Drugs
Contraceptives, Oral
Hormones, Hormone Substitutes, and Hormone Antagonists
Contraceptive Agents, Female
Ethinyl Estradiol
Reproductive Control Agents
Hormones
Pharmacologic Actions

ClinicalTrials.gov processed this record on February 08, 2010