Tiny protein may shield diabetics from low blood sugar danger
NCT ID NCT06470295
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This early study tests whether a natural protein called C-peptide can help the liver produce more sugar during insulin-induced low blood sugar in people with type 1 diabetes. Researchers will give C-peptide or a placebo to 38 volunteers and measure glucagon levels and liver sugar production. The goal is to understand if C-peptide could one day reduce the risk of severe hypoglycemia.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- C-peptide
- What this could lead to
- If it works, this could point toward a new way to prevent severe low blood sugar episodes in people with type 1 diabetes.
- What could go wrong
- This is a very early, small study (38 people) testing a biological mechanism, not a treatment. It may not translate into a real-world therapy.
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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Early phase 1
The earliest testing in people: a first look at safety, in a very small group.
- Participants
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About 38 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2024
- Expected to finish
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Jan 2028
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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18 to 40 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: * BMI less than 30 kg/m2 Exclusion Criteria: * pregnant or lactating women cigarette smoking presence of HIV or hepatitis presence of cardiovascular disease presence of microvascular 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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University of Cincinnati
RECRUITINGCincinnati, Ohio, 45267-0547, United States
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