William Stoops

This early-stage study is testing whether a medication called troiluzole can reduce the rewarding effects and cravings for methamphetamine. It will involve 40 adults who currently use methamphetamine but are not seeking treatment. Researchers will measure if participants choose m…

This early-stage study is testing whether suvorexant, a medication currently used for insomnia, can reduce the urge to drink alcohol in people with alcohol use disorder. Researchers will observe 30 participants in a controlled inpatient setting to see if the drug decreases their …

This early-stage study is testing whether a medication called pentoxifylline can reduce the rewarding effects of cocaine. It will involve about 30 adults with cocaine use disorder who are not currently seeking treatment. In a controlled lab setting, researchers will see if taking…

This study aims to understand the real health benefits people experience when they reduce their methamphetamine use, even if they don't quit completely. Researchers will measure physical and mental health improvements in 300 adults with methamphetamine use disorder over 12 weeks …

This early study aims to understand how brain chemistry changes when people use both opioids and cocaine, and whether a dietary supplement called NAC can help. Researchers will enroll 24 adults who use both drugs and are not seeking treatment. They will measure brain activity and…