Gut bugs may predict kidney decline in diabetes
NCT ID NCT07352436
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at 270 adults with diabetic kidney disease to see if gut bacteria and blood chemicals influence blood sugar swings and disease progression. Researchers will track participants over time using continuous glucose monitors and stool/blood samples. The goal is to find early warning signs and improve care, not to test a new treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could help doctors identify high-risk patients earlier and develop new strategies to manage diabetic kidney disease.
- What could go wrong
- This is an observational study, not a treatment trial. It may only show links, not causes, and findings might not lead to direct patient benefits.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 270 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Feb 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 2029
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.
Who is studied
The study population will consist of adult patients diagnosed with Diabetic Kidney Disease (DKD), aged between 18 and 65 years. All participants will have a confirmed diagnosis of Type 2 Diabetes Mellitus (T2DM) in accordance with the 1999 World Health Organization diagnostic criteria, and meet the diagnostic criteria for DKD as outlined in the 2021 Chinese Guidelines for the Prevention and Treatment of Diabetic Kidney Disease.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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: 1. Age 18-65 years 2. Diagnosis of Diabetic Kidney Disease (DKD) 3. Type 2 Diabetes Mellitus 4. Stable Antidiabetic Regimen:The antidiabetic regimen must have been stable for at least 3 months prior to study enrollment. 5. Willingness to Provide Informed Consent: Participants must voluntarily sign an informed consent form to participate in the study. - Exclusion Criteria: 1. Acute Diabetic Complications: Participants with acute diabetic complications, such as diabetic ketoacidosis (DKA), or with primary kidney diseases like primary glomerulonephritis, nephrotic syndrome, or lupus nephritis. 2. Infection or Stress Conditions: Participants in a state of infection, trauma, or other stress conditions. 3. Pregnancy or Lactation: Women who are pregnant, breastfeeding, or planning to become pregnant in the next month. 4. Severe Dermatologic Conditions: Participants with severe dermatologic conditions, such as extensive eczema, widespread scars, tattoos, herpetic dermatitis, severe edema, or psoriasis. 5. Skin Issues with Sensor Application: Participants with severe skin issues at the site of sensor application, such as burns, injuries, sunburns, ulcers, or scars from prior surgery. 6. Coagulation or Blood Disorders: Participants with abnormal coagulation, anemia, or abnormal hematocrit. 7. Chronic Gastrointestinal Diseases or Surgery History: Participants with chronic gastrointestinal diseases or a history of gastrointestinal or biliary surgery. 8. Recent Probiotic or Antibiotic Use: Participants who have used probiotics or prebiotics, or received antibiotic treatment for more than 3 days in the past 3 months, or have consumed yogurt or yogurt-containing foods/beverages in the past week.
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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 official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- 12,000 diabetes records put kidney risk under the microscope
- A simple blood ratio may predict diabetic kidney disease
- Can a Patient's own kidney cells slow kidney disease?
- Can we predict kidney damage in young diabetics before it starts?
- A blood test that could spot kidney trouble in diabetes?