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Daily tube flushing may be unnecessary, tiny study hints

NCT ID NCT06987877

Prevention Sponsor: Brigham and Women's Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study tests whether flushing a nephrostomy tube (a tube that drains urine from the kidney) with salt water every day actually prevents blockages. Twenty adults who have or will get a nephrostomy tube will be randomly assigned to flush daily or not flush at all. Researchers will track tube obstructions over 3 months to see if there is a difference.

What this could mean

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

Active substance
saline (salt water) flush
What this could lead to
If it works, this could show that daily flushing is unnecessary, simplifying care and reducing patient burden.
What could go wrong
This is a very small pilot study with only 20 participants, so results may not apply broadly. It is not designed to prove a new treatment, only to gather early data.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 20 people

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

Started

Jan 2026

Expected to finish

Mar 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.

Ages

18 to 80 years

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: • Age 18-80, with planned nephrostomy tube exchange or new nephrostomy tube placement with ongoing need for a nephrostomy tube. Exclusion Criteria: * Current local infection * History of anaphylaxis to iodinated contrast * Pregnant or intent to become pregnant during the study * Irreversible coagulopathy * Planned for definitive treatment for the clinical indication of the nephrostomy tube prior to 12-week post-intervention. * Planned routine exchange prior to 12 weeks after nephrostomy tube exchange or placement procedure * Complete sensory loss below T10 dermatome.

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As listed by the trial registrant

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

Nephrostomy

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

  • Brigham and Women's Hospital

    RECRUITING

    Boston, Massachusetts, 02115, United States

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