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New NASH drug candidate BAR502 enters first human safety trial

NCT ID NCT06705998

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This is the first time BAR502, an experimental drug for NASH (a serious liver condition), is being tested in humans. The study involves 52 healthy adults to check the drug's safety, tolerability, and how the body processes it. Participants receive either a single dose or multiple doses of BAR502 or a placebo. This early-stage trial does not aim to treat NASH but to gather essential safety data for future research.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
BAR502 (oral tablet)
What this could lead to
If successful, this early study could pave the way for future trials of BAR502 as a potential treatment for NASH (a liver disease).
What could go wrong
This is a very early Phase 1 trial in only 52 healthy people, not patients. It primarily checks safety, not whether the drug works for NASH. Many drugs fail at this stage.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 52 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2024

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 55 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Informed consent: signed written informed consent before inclusion in the study 2. Sex and Age: men/women, 18-55 years old inclusive 3. Body Mass Index: 18.5-30 kg/m2 inclusive 4. Vital signs: systolic blood pressure 100-139 mmHg, diastolic blood pressure 50-89 mmHg, heart rate 50-99 bpm, measured after 5 min at rest in the sitting position 5. Full comprehension: ability to comprehend the full nature and purpose of the study, including possible risks and side effects; ability to co-operate with the Investigator and to comply with the requirements of the entire study 6. Renal functionality: estimated glomerular filtration rate calculated using the Cockcroft-Gault equation and normalized to an average surface area of 1.73 m2 ≥ 90 mL/min at screening 7. Tobacco: non-smokers, non-users of nicotine containing products and non-users of Vapo e-cigarettes for at least 3 months prior to study screening 8. Contraception and fertility (women only): women of non-child-bearing potential or in post-menopausal status for at least 1 year, defined as such when there is either: 1. 12 months of spontaneous amenorrhea or 2. 6 weeks documented postsurgical bilateral oophorectomy with or without hysterectomy will be admitted. For all women, pregnancy test result must be negative at screening and on Day -1 of each study part. 9. Contraception (men only): men will either be sterile or agree to use one of the following approved methods of contraception from the first investigational medicinal product administration until at least 90 days after the last administration, also in case their partner is currently pregnant: 1. A male condom with spermicide 2. A sterile sexual partner or a partner in post-menopausal status for at least 1 year 3. Use by the female sexual partner of an IUD, a female condom with spermicide, a contraceptive sponge with spermicide, a diaphragm with spermicide, a cervical cap with spermicide, or hormonal oral, implantable, transdermal, or injectable contraceptives for at least 2 months before the screening visit or: True abstinence Exclusion Criteria: 1. ECG 12-leads (supine position): clinically significant abnormalities, in particular QTcF \> 450 ms 2. Physical findings: clinically significant abnormal physical findings which could interfere with the objectives of the study 3. Laboratory analyses: clinically significant abnormal laboratory values at screening indicative of physical illness or any acute laboratory abnormality at Screening which, in the opinion of the Investigator, should preclude participation in the study of an investigational compound. INR \> 1.2 4. Diseases: significant history of renal, hepatic (in particular, liver or hepatobiliary diseases as indicated by serum alanine aminotransferase, aspartate aminotransferase or total bilirubin levels exceeding the upper limit of normality), gastrointestinal, cardiovascular, respiratory, skin, haematological, endocrine or neurological diseases that may interfere with the aim of the study 5. Gallbladder: history of cholecystectomy, presence of gallstones or clinically significant gallbladder abnormalities that may interfere with the aim of the study 6. Allergy: ascertained or presumptive hypersensitivity to the active principle and/or formulations' ingredients; history of anaphylaxis to drugs or allergic reactions in general, which the Investigator considers may affect the outcome of the study 7. Medications: medications, including over the counter medications, homeopathic preparations, vitamins, food supplements and herbal remedies for 3 weeks before the start of the study 8. Investigative drug studies: participation in the evaluation of any investigational product for 3 months before this study. The 3-month interval is calculated as the time between the first calendar day of the month that follows the last visit of the previous study and the first day of the present study 9. Blood donation: blood donations for 3 months before this study 10. Drug, alcohol, caffeine, tobacco: history of drug, alcohol \[\>1 drink/day for females and \>2 drinks/day for men, defined according to the USDA Dietary Guidelines 2020-2025\] or caffeine (\>5 cups coffee/tea/day) abuse 11. SARS-CoV-2 test: positive Covid-19 rapid test at Day -1 12. Cotinine: positive cotinine test at screening 13. Drug test: positive result at the urine drug screening test at screening or Day -1 14. Alcohol test: positive alcohol saliva test at screening or Day -1 15. Diet: abnormal diets (\<1600 or \>3500 kcal/day) or substantial changes in eating habits in the 4 weeks before this study; vegetarians and vegans 16. Pregnancy (women only): positive or missing pregnancy test at screening or Day -1; child-bearing potential, pregnant or lactating women.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • CROSS Research S.A. Phase I Unit

    RECRUITING

    Arzo, CH-6864, Switzerland

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