226
Participants
Start Date
July 31, 2006
Primary Completion Date
December 31, 2008
Study Completion Date
December 31, 2008
Low dose formulation
"Participants are randomized to either Portia (levonorgestrel/ethinyl estradiol tablets, United States Pharmacopeia (USP)0.15 mg/0.03 mg or Lessina (levonorgestrel/ethinyl estradiol tablets, USP 0.1 mg/0.02 mg) for 3 months use.~Dose formula contains 20 ug of ethinyl estradiol (EE) and 100 ug of levonorgestrel (LN) per tablet."
High dose formulation
"Participants are randomized to either Portia (levonorgestrel/ethinyl estradiol tablets, United States Pharmacopeia (USP)0.15 mg/0.03 mg or Lessina (levonorgestrel/ethinyl estradiol tablets, USP 0.1 mg/0.02 mg) for 3 months use.~Dose formula contains 30 ug of ethinyl estradiol (EE) and 150 ug of levonorgestrel (LN) per tablet."
Columbia University Medical Center, New York
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Columbia University
OTHER