Conditions: Contraception
Keywords: Oral contraceptive Estradiol valerate and dienogest EV/DNG comparative tolerability
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 409
Healthy volunteers: yes

Brief summary:
The objective of the study is to compare the oral contraceptive (OC) SH T00658ID over Ortho Tri-Cyclen Lo administered for 13 cycles to healthy female volunteers between 18 and 50 years of age who request oral contraceptive protection. Subjects on a levonorgestrel (LNG), norgestimate (NGM), norethindrone or norethindrone acetate containing oral contraceptive in a 21-day regimen suffering from hormone withdrawal-associated symptoms such as pelvic pain or headache or both, and willing to continue OC use but to switch to SH T00658ID or Ortho Tri-Cyclen Lo.

Detailed description:
Safety issues are addressed in the Adverse Events section.

Arms:
arm 1: Daily oral administration of one capsule BAY86-5027 \[estradiol valerate (EV) / dienogest (DNG)\] for 26 days, followed by one capsule placebo for 2 days (28 days total per cycle) for 13 treatment cycles (treatment encapsulated) arm 2: Daily oral administration of one capsule Ortho Tri-Cyclen Lo \[Ethinylestradiol (EE)/ Norgestimate (NGM)\] for 21 days, followed by one capsule placebo for 7 days (28 days total per cycle) for 13 treatment cycles (treatment encapsulated)

Interventions: intervention 1: Estradiol valerate, Dienogest (Natazia, Qlaira, BAY86-5027) intervention 2: Ortho Tri Cyclen Lo
Intervention descriptions: intervention 1: Estradiol valerate (EV) and dienogest (DNG). Sequential 4-phasic regimen. Daily oral administration of one encapsulated BAY86-5027 for 28 days per Cycle, for 13 treatment cycles: Days 1-2, 3.0 mg EV; Days 3-7, 2.0 mg EV+2.0 mg DNG; Days 8-24, 2.0 mg EV+3.0 mg DNG; Days 25-26, 1.0 mg EV; Days 27-28, placebo intervention 2: Dose--Ethinylestradiol (EE) + Norgestimate (NGM) Triphasic 21-day regimen. Daily oral administration of one encapsulated Ortho Tri-Cyclen Lo for 28 days per Cycle, for 13 treatment cycles: Days 1-7, 0.025 mg EE+0.180 NGM; Days 8-14, 0.025 mg EE+0.215 NGM; Days 15-21, 0.025 mg EE+0.250 NGM; Days 27-28, placebo

Protocol document: