AI chatbot could replace Doctor's verbal consent for anesthesia
NCT ID NCT06949462
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares a multilingual AI chatbot (PEAR) with standard face-to-face verbal consent for explaining anesthesia risks. About 120 adults having elective surgery will participate. The goal is to see if the chatbot improves patient understanding and reduces anxiety.
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 120 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Apr 2026
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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21 to 99 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: \- Adults (≥21 years old) undergoing elective surgery requiring anaesthesia Classified as ASA Physical Status I to III * Able to provide informed consent * Able to communicate effectively in English, Chinese (Mandarin), Malay, or Tamil * Willing and able to complete questionnaires and interact with the PEAR chatbot (intervention arm) Exclusion Criteria: * ASA Physical Status IV or above * Cognitive impairment or psychiatric conditions that may limit comprehension or communication * Non-literate patients or those unable to understand English, Chinese, Malay, or Tamil * Emergency surgery cases * Prior participation in the study (to prevent bias)
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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
2 sites. 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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Singapore General Hospital
RECRUITINGSingapore, Singapore, 249094, Singapore
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Singapore General Hospital
NOT_YET_RECRUITINGSingapore, Singapore, 751126, Singapore
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