This is a multicenter, prospective, randomized, controlled study that will enroll approximately 429 subjects. The screening period will last 4-8 weeks. Subjects will undergo pre-screening based on eGFR and urinary albumin-to-creatinine ratio (UACR). Only non-dialysis subjects meeting the following criteria confirmed by local laboratories within 6 months prior to screening will be eligible for central laboratory screening: 10 mL/min/1.73m² ≤ eGFR \< 30 mL/min/1.73m² and 150 mg/g (16.95 mg/mmol) ≤ UACR \< 5000 mg/g (565 mg/mmol). Unless contraindicated due to intolerance, subjects with 20 mL/min/1.73m² ≤ eGFR \< 30 mL/min/1.73m² must receive stable, maximally tolerated labeled daily doses of ACEi or ARB for at least 4 weeks prior to randomization. For subjects with 10 mL/min/1.73m² ≤ eGFR \< 20 mL/min/1.73m², investigators will determine ACEi/ARB treatment based on patient condition per KDIGO guidelines. Other antihypertensive, lipid-lowering, and glucose-lowering therapies should be stabilized for approximately 4 weeks before randomization. Investigators are encouraged to maintain stability of medications known to affect serum creatinine levels during screening and approximately 2 weeks prior to any serum chemistry measurements throughout the study. Eligible subjects will be randomized in a 1:1:1 ratio to receive Henagliflozin (10 mg q.d., 5 mg q.d.) or conventional therapy. Thereafter, subjects will undergo laboratory assessments, concomitant medication review, adverse event collection, and clinical endpoint ascertainment at Week 4 (Day 30), Week 12 (Day 90), and Week 24 (Day 180), followed by every 12-week intervals. Throughout the study, all subjects will receive glycemic, blood pressure (target SBP \<140 mmHg and DBP \<90 mmHg), and lipid management according to current guidelines. All subjects will complete an end-of-study visit. Subjects discontinuing study drug prematurely should continue all subsequent study visits.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
429
Henagliflozin 5 mg once daily plus KDIGO-based comprehensive management strategy (e.g., RAAS inhibitors)
Henagliflozin 10 mg once daily plus KDIGO-based comprehensive management strategy (e.g., RAAS inhibitors)
KDIGO-based comprehensive management strategy (e.g., RAAS inhibitors)
eGFR total slope change from 4 to 52 weeks
Time frame: 52 weeks
Total eGFR slope at 1 year post-randomization
Time frame: 56 weeks
Composite endpoint of kidney disease progression ,hospitalization for heart failure, or cardiovascular death.
Composite endpoint of kidney disease progression (defined as a sustained decline in eGFR of ≥40% from baseline, sustained eGFR \<7.5 mL/min/1.73m², initiation of maintenance dialysis or kidney transplantation, or kidney death), hospitalization for heart failure, or cardiovascular death.
Time frame: 56 weeks
Kidney disease progression (sustained eGFR decline ≥40%, sustained eGFR <7.5 mL/min/1.73m², initiation of maintenance dialysis or kidney transplantation, or kidney death).
Kidney disease progression is defined as a sustained decline in eGFR of ≥40% from baseline since randomization, sustained decline in eGFR to \<7.5 mL/min/1.73m², initiation of maintenance dialysis or kidney transplantation, or death due to kidney disease.
Time frame: 56 weeks
Composite endpoint of major adverse cardiovascular events (MACE) (defined as cardiovascular death, myocardial infarction, stroke, or hospitalization for heart failure)
Time frame: 56 weeks
Composite endpoint of initiation of maintenance dialysis or kidney transplantation, kidney death, or cardiovascular death.
Time frame: 56 weeks
Composite endpoint of initiation of maintenance dialysis, kidney transplantation, or kidney death.
Time frame: 56 weeks
Composite endpoint of cardiovascular death, myocardial infarction, stroke, hospitalization for heart failure, or unstable angina.
Time frame: 56 weeks
Cardiovascular death or hospitalization for heart failure.
Time frame: 56 weeks
All-cause hospitalization
Time frame: 56 weeks
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