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Study on the effects of SGLT2 inhibitors on proximal tubular sodium reabsorption in patients with type 2 diabetes and chronic kidney disease under different sodium dietary conditions

Study on the effects of SGLT2 inhibitors on proximal tubular sodium reabsorption in patients with type 2 diabetes and chronic kidney disease under different sodium dietary conditions

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500111504
Enrollment
Unknown
Registered
2025-10-31
Start date
2025-10-31
Completion date
Unknown
Last updated
2025-11-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Type 2 diabetes and chronic kidney

Interventions

Group A:The patients in this group followed a fixed low-sodium diet daily while taking henagliflozin orally
Group B:The patients in this group followed a fixed medium-sodium diet daily while taking henagliflozin orally
Group C:The patients in this group followed a fixed high-sodium diet daily while taking henagliflozin orally

Sponsors

The Fourth Medical Center of Chinese PLA General Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Meet the diagnostic criteria for type 2 diabetes as defined by the World Health Organization (WHO) in 1999; 2.Age between 18 and=60 mL/min/1.73 m^2 and urine albumin-to-creatinine ratio (UACR) >=30 mg/g in patients with chronic kidney disease stages G1 and G2. 4.Ability to sign a written informed consent; 5.Hemoglobin A1c (HbA1c) level between >=6.5% and <10%; 6.Stable dose of metformin, sulfonylureas (SU), or a combination of metformin and SU for at least 3 months before enrollment, with optional insulin use but not mandatory. Continuous use of angiotensin-converting enzyme inhibitors (ARB) or angiotensin-converting enzyme inhibitors (ACEi) for at least 6 weeks.

Exclusion criteria

Exclusion criteria: 1. Allergy to medications; 2. History of diabetic ketoacidosis, fragile diabetes, and/or frequent hypoglycemia within the past 6 months or severe hypoglycemic episodes requiring urgent intervention; 3. History of urinary retention symptoms, bladder dysfunction, or urinary incontinence; 4. Acute, chronic, or recurrent infections of the urinary or genital tract; 5. History of relevant orthostatic reactions; 6. Repeated measurements of systolic blood pressure (SBP) =110 mmHg; 7. Pregnant or breastfeeding; 8. Abnormal thyroid function or autonomic thyroid adenoma; 9. Abnormal adrenal function; 10. Abnormal function of the pituitary gland gland; 11. History of unstable or rapidly progressing renal disease, albumin-to-creatinine ratio >1000 mg/g; 12. Moderate to severe hepatic insufficiency (Child-Pugh class B and C); 13. Use of pacemaker or other implantable electronic device; 14. Cardiovascular and cerebrovascular events within 3 months prior to screening; 15. History of previous amputation, peripheral vascular disease, and diabetic foot ulcers; 16. No other hypoglycemic drugs (except metformin, SU, and insulin), NSAIDs are allowed during the study; 17. Treatment with diuretics, mineralocorticoid receptor antagonists during the study or within 2 weeks before the study; Taking other drugs that may affect water and salt metabolism, such as anticonvulsants, antipsychotics, chemotherapy drugs, glucocorticoids, immunosuppression or other immunotherapeutic drugs, etc.

Design outcomes

Primary

MeasureTime frame
Fractional proximal tubular sodium reabsorption rate of sodium (FPRNa);

Secondary

MeasureTime frame
Blood indicators;Urine indicators;Renal imaging examination;

Countries

China

Contacts

Public ContactJiang Hua

The Fourth Medical Center of Chinese PLA General Hospital

nndwm@126.com+86 132 6171 2997

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026