Stay: 10 days/9 night and one follow-up visit
Smokers Allowed: No
This study is being done to determine the safety and tolerability of multiple different doses of the study medication VS-105. It will help to determine a safe dosing range for the drug. The amount of VS-105 that study participants to receive will start out very small, and will be increased with each group of 8 subjects if certain safety criteria are met. The dose each participant to receive will depend on when they enter the study.