Effect of efavirenz on levonorgestrel concentrations among Malawian levonorgestrel implant users for up to 30 months of concomitant use: a subanalysis of a randomized clinical trial

• Main Authors: Jennifer H. Tang (Author), Nicole L. Davis (Author), Amanda H. Corbett (Author), Lameck Chinula (Author), Mackenzie L. Cottrell (Author), Yasaman Zia (Author), Gerald Tegha (Author), Frank Z. Stanczyk (Author), Stacey Hurst (Author), Mina C. Hosseinipour (Author), Lisa B. Haddad (Author), Athena P. Kourtis (Author)
• Format: Book
• Published: Elsevier, 2020-01-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objectives: Our primary objective was to compare geometric mean levonorgestrel concentrations between levonorgestrel implant users who were or were not taking the antiretroviral efavirenz, for up to 30 months after implant initiation. Our secondary objective was to evaluate the pregnancy rate among...