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Can a simple water pitcher cut arsenic from well water?

NCT ID NCT07103356

Disease control Sponsor: Trustees of Dartmouth College 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 whether a table-top water pitcher filter can reduce arsenic levels in drinking water for people with private wells in New Hampshire. Twenty adults with elevated arsenic in their well water will use the pitcher for 12 weeks. Researchers will measure arsenic in water and urine samples and track how consistently people use the filter.

What this could mean

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

Active substance
table-top water pitcher filtration system
What this could lead to
If it works, this could provide a simple, affordable way for people with private wells to reduce their arsenic exposure at home.
What could go wrong
This is a very small, early study with only 20 participants. It focuses on short-term use and may not reflect real-world long-term adoption or health benefits.

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

Feb 2026

Expected to finish

Aug 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 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: * Age 18 years or older * NH resident living in Merrimack or Belknap county * Use a private water system as primary drinking water source * Water arsenic \>5 micrograms/L upon testing * Confirm would be primary person in home maintaining the provided pitcher filter Exclusion Criteria: * Use or plan to use a mitigation strategy to reduce exposure to arsenic-contaminated drinking water in the next 12 weeks

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Conditions

The condition(s) this trial relates to.

Arsenic Poisoning Waterborne Diseases

As listed by the trial registrant

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

Arsenic poisoning Environmental exposure Water-related diseases

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

  • Geisel School of Medicine at Dartmouth

    RECRUITING

    Lebanon, New Hampshire, 03756, United States

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