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Yasmin 20 Cycle Control - Yasmin 20 Versus Mercilon in Healthy Female Volunteers

This study has been completed.
Information provided by (Responsible Party):
Bayer Identifier:
First received: February 18, 2008
Last updated: December 30, 2014
Last verified: December 2014
The purpose of this study is to compare bleeding pattern of contraceptive Yasmin 20 to a marketed comparator.

Condition Intervention Phase
Drug: Yasmin 20
Drug: Mercilon
Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Prevention
Official Title: Open, Randomized, Parallel Multi-center Comparison of Cycle Control and Safety of the Oral Contraceptive Yasmin 20 in a 24-day Regimen vs. Mercilon for 7 Cycles in 440 Healthy Female Volunteers

Resource links provided by NLM:

Further study details as provided by Bayer:

Primary Outcome Measures:
  • Cycle control and bleeding pattern [ Time Frame: 7 cycles ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Pearl index [ Time Frame: 7 cycles ] [ Designated as safety issue: No ]
  • Laboratory tests [ Time Frame: Screening ] [ Designated as safety issue: Yes ]
  • Adverse Events [ Time Frame: 7 cycles ] [ Designated as safety issue: Yes ]
  • General Physical and gynecological examinations [ Time Frame: Screening ] [ Designated as safety issue: Yes ]
  • Vital signs [ Time Frame: Screening, admission ] [ Designated as safety issue: Yes ]
  • Body weight [ Time Frame: Screening, admission ] [ Designated as safety issue: Yes ]

Enrollment: 453
Study Start Date: March 2004
Study Completion Date: June 2005
Arms Assigned Interventions
Experimental: Arm 1 Drug: Yasmin 20
Yasmin 20, 24-d regimen vs Mercilon, Tablet p.o. (oral)
Active Comparator: Arm 2 Drug: Mercilon
Mercilon, 24-d regimen vs Yasmin 20 , Tablet p.o. (oral)


Ages Eligible for Study:   18 Years to 35 Years   (Adult)
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Healthy female volunteer aged 18-35,
  • Smokers 18-30

Exclusion Criteria:

  • Contraindications for using hormonal contraceptives
  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: NCT00624130

Horn, Austria, 3580
Leibnitz, Austria, 8430
Moedling, Austria, 2340
St. Poelten, Austria, 3100
Wien, Austria, 1050
Woergl, Austria, 6300
Paernu, Estonia, 80010
Talinn, Estonia, 10145
Tartu, Estonia, 51003
Helsinki, Finland, 00100
Helsinki, Finland, 00260
Tampere, Finland, 33200
Turku, Finland, 20101
Kaunas, Lithuania, 3042
Kaunas, Lithuania, 3043
Vilnius, Lithuania, 01118
Vilnius, Lithuania, 2035
Sponsors and Collaborators
Study Director: Bayer Study Director Bayer
  More Information

Additional Information:
Responsible Party: Bayer Identifier: NCT00624130     History of Changes
Other Study ID Numbers: 91352  308020 
Study First Received: February 18, 2008
Last Updated: December 30, 2014
Health Authority: Finland: Finnish Medicines Agency
Estonia: The State Agency of Medicine
Lithuania: State Medicine Control Agency - Ministry of Health
Austria: Federal Ministry for Health and Women
United States: Institutional Review Board

Keywords provided by Bayer:
Cycle control,
Bleeding pattern

Additional relevant MeSH terms:
Drospirenone and ethinyl estradiol combination
Neuromuscular Nondepolarizing Agents
Neuromuscular Blocking Agents
Neuromuscular Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Nicotinic Antagonists
Cholinergic Antagonists
Cholinergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Reproductive Control Agents processed this record on December 02, 2016