Infection, Human Immunodeficiency Virus Clinical Trial
Official title:
A Double-Blind Study to Evaluate the Pharmacokinetics of an Oral Contraceptive Containing Norgestimate and Ethinyl Estradiol When Co-administered With Dolutegravir in Healthy Adult Female Subjects
Dolutegravir (DTG, GSK1349572 is an integrase inhibitor that is currently in Phase 3 clinical development for the treatment of HIV infection. DTG will likely be used in women on oral contraceptives (OC) for birth control. Based on accumulated non-clinical and clinical drug metabolism and pharmacokinetic data, there is a low likelihood of drug interaction between DTG and most widely used OC drugs. The primary objective of this study is to evaluate the effect of DTG administration on the pharmacokinetics and pharmacodynamics of a commonly used oral contraceptive product, Ortho-Cyclen (combination of norgestimate and ethinyl estradiol), in healthy female subjects. Each subject will participate in a Run-in period (if needed), followed by two treatment periods. Approximately 16 subjects will be randomized in a cross-over fashion to either Ortho-Cyclen with DTG or Ortho-Cyclen with Placebo for 10 days and switch to the alternate treatment for another 10 days. Subjects will return to the study center for final follow up evaluations 7 - 14 days after the final dose of study medication.
n/a
Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Basic Science
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