The study cycle has been long due to: time for ethical review board approval, the need to collect adequate sample size, narrow inclusion criteria and reduction in malaria cases. However, these important studies need to continue. The current round of TES is expected to complete in September 2015. While the first round of TES studies are being conducted, preparation for the second round will need to start as soon as August 2014. The second round of study will involve testing efficacy and safety of four treatment regimens.