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Blow into this machine: a new breath test may spot hidden health risks

NCT ID NCT07330297

Diagnosis Sponsor: I.M. Sechenov First Moscow State Medical University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing whether a breath test can identify metabolic syndrome and metabolically healthy obesity without needles or blood work. Researchers will analyze the air exhaled by 300 adults using a special mass spectrometry technique and teach a computer to recognize disease-specific breath patterns. If successful, this could lead to a quick, painless way to screen for these conditions.

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.

Participants

About 300 people

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

Started

Sep 2024

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Who is studied

The study population consists of adults (≥18 years) from three groups: 1) Patients with Metabolic Syndrome (IDF, 2005 criteria), 2) Patients with metabolically healthy obesity (BMI≥30, no metabolic abnormalities), and 3) Healthy controls (BMI\<25, no metabolic disorders).

Ages

18 years and older

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: * For Group 1 (Metabolic syndrome): Age \>18 years, signed informed consent, diagnosis of Metabolic Syndrome (IDF 2006 criteria: waist circumference \>94 cm (men)/ \>80 cm (women) + ≥2 of: BP ≥130/85 mmHg or antihypertensive therapy; TG ≥1.7 mmol/L; HDL-C \<1.03 mmol/L (men) / \<1.29 mmol/L (women); Fasting glucose ≥5.6 mmol/L). * For Group 2 (Metabolically healthy obesity): Age \>18 years, signed informed consent, waist circumference ≥94 cm (men) / ≥80 cm (women), absence of other Metabolic Syndrome criteria (hypertension, dyslipidemia, impaired fasting glucose). * For Group 3 (Control): Age \>18 years, signed informed consent, normal BMI, absence of signs of Metabolic Syndrome. Non-inclusion criteria for all groups: * Inability to provide informed consent; * History of myocardial infarction or stroke; * Chronic kidney disease stage 3B, 4, 5 (eGFR \<30 ml/min/1.73m2); * Acute or subacute cardiovascular disease; * Familial hypercholesterolemia; * Bronchopulmonary diseases; * Acute or chronic infectious diseases; * Type 1 or Type 2 diabetes mellitus; * Systemic connective tissue diseases; * Current or past history of oncological diseases; * Severe liver dysfunction, decompensated liver cirrhosis (Child-Pugh class C); * Pregnancy or lactation; * Severe mental illness (severe dementia, schizophrenia); * Comorbid conditions with life expectancy less than 1 year. Exclusion Criteria: * Patient refusal to continue participation in the study; * Identification of any non-inclusion criteria after enrollment.

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Conditions

The condition(s) this trial relates to.

abdominal obesity-metabolic syndrome metabolic syndrome X Obesity obesity disorder Obesity, Metabolically Benign Overweight

As listed by the trial registrant

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

Metabolic syndrome Metabolically healthy obesity Obesity & overweight

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

  • University Clinical Hospital №1, Sechenov University

    RECRUITING

    Moscow, Russia

More trials for these conditions

Other studies related to the condition(s) this trial covers.