16 recruiting studies matching your filters
This is a Phase 1/2a first-in-human, multi-center, non-randomized, open-label study to assess the safety, tolerability, pharmacokinetics profile, and prelimina…
The goal of this observational clinical study is to is to learn more about how commercial kratom products affect healthy adults who consume them regularly. The…
To understand the acute subjective, physiological, and cognitive effects of commercial kratom extract products among US adults who consume these products regul…
This study investigates the time course of change in calcium in the blood after a pregnant subject takes an oral dose of calcium carbonate (commonly marketed a…