NCT04365855Recruiting
The Olmsted NAFLD Epidemiology Study (TONES)
Source: ClinicalTrials.gov · Last updated 16 Jan 2026
Brief summary (registry, in English)
Researchers are assessing the prevalence of Non-alcoholic Fatty Liver Disease (NAFLD) and Nonalcoholic Steatohepatitis (NASH) in the population and assembling a well-characterized cohort of adults with NAFLD and NASH to validate models of NAFLD diagnosis and determine long-term outcomes.
- Status (registry)
- Recruiting
- Study type
- Interventional
- Enrollment
- 800 (estimated)
- First submitted
- 9 Apr 2020
- Start date
- 10 Oct 2020
- Primary completion date
- Jun 2028
- Lead sponsor
- Mayo Clinic
- Diseases
- Fatty liver disease (MASLD/MASH)
- NCT number
- NCT04365855
What you commit to
- Study type: Interventional
- Planned participants: 800
- From 10 Oct 2020 to the primary completion date, Jun 2028
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other
- Alcohol in excess (more than 20 gm per week in women and 30 gm per week in men)
- Currently pregnant
- Have contraindications to MRI (MRI incompatible implanted devices, severe claustrophobia)
Who the study is looking for
- Olmsted County residents at the time of search
- Age 18 or older
- No personal history of NAFLD diagnosis (administrative codes)
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Mayo Clinic in Rochester Coordinator of this site? Confirm its status | Rochester | United States | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.