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Bottled water as a cholesterol fighter? new study tests the idea

NCT ID NCT07026266

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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested whether drinking a calcium-bicarbonate mineral water called Lete can lower LDL (bad) cholesterol in healthy adults with high cholesterol. 160 participants drank either the test water or a regular low-mineral water for four months. The goal was to see if the mineral water reduced cholesterol levels compared to the control.

What this could mean

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

Active substance
calcium-bicarbonate mineral water
What this could lead to
If it works, this could offer a simple, natural way to help lower cholesterol without medication.
What could go wrong
This is a small, completed study testing a water product, not a drug. Any cholesterol reduction is likely modest and not a substitute for proven treatments.

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

160 people

The number who actually took part.

Started

Sep 2025

Finished

Apr 2026

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Ages

18 to 60 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.

Inclusion Criteria: * healthy subjects * age 18-60 years * LDL-C values \> 116 mg/dl * not already being treated with cholesterol-lowering medications (e.g. statins, ezetimibe, monoclonal antibodies, bempedoic acid) and/or supplements (e.g. fermented red rice, coenzyme Q, folic acid, berberine, vitamin E, polyphenols from olive oil, etc.) Exclusion Criteria: * BMI \< 20 and \> 30 kg/m2 * diabetes mellitus * arterial hypertension * gastrointestinal (e.g. gastro-duodenal ulcer, ulcerative colitis, diverticulosis of the colon, etc.), liver or renal diseases * familial hypercholesterolemia * treatment with drugs that could influence lipid metabolism (estrogen replacement hormone therapy, corticosteroid therapy, insulin therapy) * Consumers of fortified foods that could influence lipid metabolism (containing n-3 fatty acids or phytosterols)

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Conditions

The condition(s) this trial relates to.

Hypercholesterolemia hyperlipidemia

As listed by the trial registrant

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

Contacts and locations

Locations

  • Hospital San Raffaele

    Milan, Italy, 20132, Italy

More trials for these conditions

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