What kinds of Ortho Evra clinical trials were conducted?
Three clinical trials conducted worldwide involved 4,578 women of who 3,319 used Ortho Evra. The other women in the trials used birth control pills. The trials demonstrated that women using Ortho Evra were able to adhere to the once a week dosing regimen as an alternative to a daily dose of birth control pills. In clinical trials, Ortho Evra appeared to be less effective in women weighing more than 198 pounds. About five percent of women had at least one patch that did not stay attached to their skin. About two percent of women in the studies withdrew from the clinical trial due to skin irritation from the patch.
Three clinical trials conducted worldwide involved 4,578 women of who 3,319 used Ortho Evra. The other women in the trials used birth control pills. The trials demonstrated that women using Ortho Evra were able to adhere to the once a week dosing regimen as an alternative to a daily dose of birth control pills.
