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Breath check: new study seeks Non-Invasive way to measure dialysis success

NCT ID NCT07189741

Knowledge-focused Sponsor: Second People's Hospital, Shanghai Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 observational study tests whether tiny chemicals in breath, called VOCs, can show if a hemodialysis session is effective. About 22 dialysis patients and 23 healthy adults will provide breath and blood samples. The goal is to find a simple, non-invasive way to assess dialysis adequacy without extra needles or procedures.

What this could mean

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

What this could lead to
If successful, this could lead to a simple breath test to check if dialysis is working well, reducing the need for frequent blood draws.
What could go wrong
This is a small, early observational study (50 participants) that only looks for patterns in breath chemicals. It may not find a reliable link, and results may not apply to all dialysis patients.

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 50 people

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

Expected to start

Sep 2025

An estimate. Start dates often move.

Expected to finish

Jun 2027

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

Patients receiving care at Shanghai Second People's Hospital

Ages

18 to 85 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.

1: Age:18-85 2: Maintenance hemodialysis (HD) group: diagnosed with chronic kidney disease stage 5 (uremia), receiving regular HD for ≥3 months. 3: Healthy control group: with no history of major acute or chronic diseases. 4: Capable of understanding the research procedures and voluntarily providing written informed consent. 1. Active infection 2. History or current diagnosis of malignancy 3. Severe hepatic insufficiency 4. Unable to comply with breath testing or blood sampling; or refusal or inability to provide informed consent. 5. Deemed ineligible for participation based on the investigator's judgment.

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Conditions

The condition(s) this trial relates to.

Bronchiolitis Obliterans Syndrome end stage renal failure uremia

As listed by the trial registrant

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

Hemodialysis UREMIA Uremia; chronic

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

  • Shanghai Second People's Hospital

    Shanghai, Shanghai Municipality, 200011, China

More trials for these conditions

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