This research study is the first time the new medication MG001 is being tested in people. MG001 is a formulation of mitragynine, a compound that comes from a plant called Mitragyna speciosa (sometimes known as kratom), which some people use on their own to help manage symptoms of opioid withdrawal. The purpose of this study is to understand how safe MG001 is, how well it is tolerated, and how the body processes it. About 32 healthy adult volunteers, both men and women, will take part. Before joining, participants will undergo screening tests up to four weeks in advance to make sure they are eligible and healthy enough. On the day before dosing, participants will be admitted to the clinic for final health checks, and those who qualify will be randomly assigned-by chance, like flipping a coin-to receive either a single dose of MG001 or a placebo (an inactive substance). Neither the participants nor the staff giving the medicine will know which one is given. The study drug will be administered after at least 10 hours of fasting, and participants will then remain in the research clinic under close medical observation for three nights, until Day 4. During this time, doctors and nurses will monitor participants' health, look for any side effects, and collect blood samples to see how MG001 moves through the body. A follow-up clinic visit on Day 7 will provide one last check-in and blood test. This design helps researchers gather important first information on the safety and tolerability of MG001, while protecting the health and well-being of participants.
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Incidence of Treatment-Emergent Adverse Events in Healthy Adult Participants
Timeframe: 4 days in clinic, follow-up on day 7