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Clinical Trial Summary

Lowering of blood pressure (BP) in high-risk hypertensive individuals reduces major adverse cardiovascular (CV) and renal events. Diabetic patients with hypertension benefit from BP lowering treatment. The present trial, IPAD-CKD in brief, is a randomized, open-label, parallel-designed, multicenter study involving nearly 5322 patients to be recruited over three years and to be followed up for a median of four years and a half. IPAD-CKD tests the hypothesis that antihypertensive medications in adults with type 2 diabetes, whose seated BP 120-139 mm Hg systolic and below 90 mm Hg diastolic, results in 20% difference in the incidence of major renal events. During follow-up for participants in the intensive group, the sitting systolic pressure should be decreased to below 120 mm Hg, by titration and combination of the double-blind study medications of an angiotensin type-1 receptor blocker Allisartan (240 mg/day), a dihydropyridine calcium-channel blocker (amlodipine 5-10 mg/day), and/or other medications if necessary. For those in the standard group, the sitting systolic pressure should be monitored and controlled below 140 mm Hg.


Clinical Trial Description

The IPAD-CKD trial is a randomized, open-label, parallel-designed, multicenter study. 5322 patients will be recruited over three years with a median follow up of 4.5 years. IPAD tests the hypothesis that intensive antihypertensive medical therapy in adult patients with type 2 diabetes, whose seated BP ranges from 120 to 139 mm Hg systolic and < 90 mm Hg diastolic, results in 20% reduction in the incidence of major renal events (the primary endpoint), a composite of renal failure and proteinuria progression. Secondary endpoints of this study include: renal failure ; proteinuria progression; proteinuria reversion; end stage renal disease; cardiovascular-cause mortality; MI; hospitalization for HF; stroke;hospitalization for unstable angina; all-cause mortality;development of diabetic retinopathy that needs interventional operation; peripheral arterial diseases; new on-set atrial fibrillation or flutter; cancer. Inclusion criteria for the study include T2DM patients aged between 45 and 79 years within the aforementioned BP ranges. For participants in the intensive group, the sitting systolic BP should decrease to < 120 mm Hg, using titration and combination of study medications consisting of an angiotensin type-1 receptor blocker Allisartan (240 mg/day) and a dihydropyridine calcium-channel blocker (amlodipine 5-10 mg/day), and/or other medications if necessary.For those in the standard group, the sitting systolic pressure should be monitored and controlled below 140 mm Hg. Across the whole study, 310 primary endpoints are expected to occur. Interim analyses will be carried out on an intention-to-treat basis at the accumulation of 107 and 214 primary endpoints respectively. At the completion of the trial, both an intention-to-treat and a per-protocol analysis will be performed. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04978649
Study type Interventional
Source Guangdong Provincial People's Hospital
Contact
Status Withdrawn
Phase Phase 4
Start date September 1, 2021
Completion date July 31, 2028

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