Capsule camera test: which drink cleans the gut best?
NCT ID NCT07206329
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compared two low-volume bowel preparations for capsule endoscopy, a less invasive alternative to traditional colonoscopy. 220 adults were randomly assigned to take either a 1-liter polyethylene glycol plus ascorbic acid solution or sodium picosulfate with magnesium citrate. The goal was to see which one cleans the bowel better and is easier for patients to tolerate.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Polyethylene Glycol plus Ascorbic Acid (PEG-Asc) and Sodium Picosulfate with Magnesium Citrate (SPMC)
- What this could lead to
- If successful, this study could help doctors choose the best bowel preparation for capsule endoscopy, making these less invasive tests more reliable and comfortable for patients.
- What could go wrong
- This is a completed study comparing two existing preparations, so it won't lead to a new treatment. The results may show only small differences, and individual patient tolerance can vary.
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
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220 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Aug 2025
- 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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18 years and older
- 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 * Adults referred for capsule colonoscopy (CC) or pan-intestinal capsule endoscopy (PCE) * Ability to provide informed consent Exclusion Criteria * Contraindications to capsule endoscopy (e.g., known or suspected gastrointestinal obstruction, strictures, or fistulas) * Contraindications to the use of PEG-Asc or SPMC (e.g., severe renal impairment, congestive heart failure, electrolyte disturbances, hypersensitivity to study drugs) * Pregnancy or lactation * Inability to comply with the bowel preparation protocol
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Unidade Local de Saúde do Alto Ave (ULSAAVE)
Guimarães, 4835-044, Portugal
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