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Pee for the planet: new device aims to recycle contrast dye from CT scans

NCT ID NCT07620093

Knowledge-focused Sponsor: I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a special urine collection toilet in the radiology department. After a CT scan with contrast dye, participants wait about an hour and use the device. Researchers want to see if patients accept it and how much contrast dye can be recovered from the urine. The goal is to reduce pollution from hospital wastewater.

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 device could help hospitals recover contrast agents from urine, reducing environmental pollution from medical waste.
What could go wrong
This is an early observational study focused on feasibility, not on treating any disease. The device may not be practical or accepted by 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 416 people

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

Started

Mar 2026

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

Adult outpatients aged 18 years or older undergoing clinically indicated contrast-enhanced CT scans with iodinated contrast agents at IRCCS Ospedale Galeazzi - Sant'Ambrogio. Participants will receive standard clinical care, with no modification to the CT protocol or contrast administration. The only study-specific procedure is the post-contrast use of a dedicated urine collection device after an approximately 60-minute waiting period.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Adult patients aged 18 years or older. * Patients scheduled for a clinically indicated contrast-enhanced CT scan with iodinated contrast agent. * Patients able to provide written informed consent. * Patients willing to wait approximately 60 minutes after contrast injection before using the dedicated urine collection device. Exclusion Criteria: \- Patients unable to use the dedicated urine collection device for urine collection.

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As listed by the trial registrant

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

Environmental sustainability in radiology Iodinated contrast agent recovery

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

  • IRCCS Ospedale Galeazzi - Sant'Ambrogio

    RECRUITING

    Milan, MI, 20157, Italy