Gut bacteria changes during smoking quit attempt
Part of Mental health clinical trials.
This study looks at how quitting smoking changes your body's gut bacteria and metabolism. It is for people with a substance use disorder who want to stop smoking.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You have a diagnosis of substance use disorder (like addiction) from a doctor.
- You are at least 18 years old.
- You speak and understand German well enough for the study.
- You want to quit smoking and are ready to take part.
- You do not have heart disease, or active severe mental health problems.
- You have not taken probiotics or certain supplements in the last 6 months.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
Similar studies
Other trials that look related to this one.
This Phase 2 study tests a program designed to help people cut down or stop heavy alcohol use and daily smoking at the same time. It will check your alcohol level at the start and uses urine tests during a short induction phase to confirm recent alcohol and ongoing smoking.
This study looks at how certain cues (like seeing a drink or a cigarette) trigger cravings and behavior in people who drink alcohol or smoke. Understanding this may help improve addiction treatments.
This study looks at your genes to understand why some people get addicted to nicotine. Your participation could help develop new treatments for quitting smoking.
This trial tests a program to help you quit smoking by reshaping your smoking habits. You'll attend in-person visits and learn new ways to handle cravings.
This study tests a program meant to help people stop smoking after they leave a psychiatric hospital. It may help you stay smoke-free longer by offering structured support during a high-risk time.
This study supports quitting smoking while you are receiving HIV and/or TB care. It aims to improve engagement in care and smoking cessation for people who smoke daily.
Hear when a new Nicotine Addiction trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.