Can a protein shake slow digestion in seniors? new trial aims to find out
NCT ID NCT07296692
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether a nutritional drink with proteins and carbohydrates slows down how fast the stomach empties in people aged 60 to 90. Twenty-five volunteers will drink either the test formula or a plain carbohydrate drink on two separate days, and doctors will track stomach emptying using special scans. The goal is to see if the protein-carb combo affects digestion and causes any stomach symptoms.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Nutren Fresh (protein and carbohydrate nutritional formula)
- What this could lead to
- If it works, this could help design meals that keep older adults fuller longer, potentially improving nutrition and managing appetite.
- What could go wrong
- This is a small, early-stage trial with only 25 participants, so results may not apply widely. The drink might cause stomach discomfort or show no difference from the placebo.
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
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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
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About 25 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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May 2027
An estimate. End dates often move.
- Lead sponsor
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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
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60 to 90 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Elderly individuals aged between 60 and 90 years * Non-smokers * No prior diagnosis of conditions that affect gastric emptying, such as: * Gastroesophageal reflux * Gastroparesis * Untreated Helicobacter pylori (H. pylori) infection * Stomach cancer * Esophageal cancer Exclusion Criteria: * Volunteers who do not meet the inclusion criteria * Refusal to sign the informed consent form (ICF) * Volunteers with obesity (BMI over 35 kg/m²) * Volunteers who do not eat orally or have a prior diagnosis of delayed gastric emptying and are on routine use of prokinetic medications * Individuals diagnosed with Alzheimer's or Parkinson's disease
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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School of Nursing, Federal University of Minas Gerais
RECRUITINGBelo Horizonte, Minas Gerais, 30130-100, Brazil
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