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Water before meals: the simple trick for weight loss in older adults?

NCT ID NCT05843318

Disease control Sponsor: Virginia Polytechnic Institute and State University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 04, 2026 · Updated 1 time

Summary

This study looks at whether drinking water before meals helps people aged 50 and older with overweight or obesity lose weight. 375 participants will be split into three groups: one drinks water before each meal, one drinks water throughout the day, and one follows a diet without water instructions. Smart water bottles track how much and when they drink.

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 375 people

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

Started

Nov 2023

Expected to finish

Mar 2028

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

50 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: * aged 50+ years * BMI ≥25 kg/m2 * weight stable (+/- 2 kg) in past 6 months * willing to provide consent and comply with study protocol Exclusion Criteria: * usual plain drinking water intake \>1500 ml/d * uncontrolled hypertension (\>159/99 mmHg) * medical condition requiring specialized diet prescription (eg, T2D, CHF wih fluid restriction) * medical condition that precludes participating in a physical activity program (eg, orthopedic injury) * current or history of GI disease (eg, Crohn's), GI surgery, or medications which impact GI function * allergies or aversions to foods included in the test meals

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Overweight

As listed by the trial registrant

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

Overweight and obesity

Contacts and locations

Locations

  • Virginia Tech

    Blacksburg, Virginia, 24061, United States

More trials for these conditions

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