Delapril and Manidipine for Nephroprotection in Diabetes (DEMAND)

Summary

Diabetes mellitus is one of the most common diseases globally, and is considered epidemic in many developed and newly industrialized nations. Diabetes mellitus represents the single largest cause of end-stage renal disease in the U.S. and Europe. At the same time, the primary cause of early death in diabetic patients are cardiovascular complications. Experimental and clinical studies found that angiotensin converting enzyme inhibitors (ACEi) and calcium channel blockers (CCBs) have a specific renoprotective effect and that this effect can be magnified when the two drugs are used in combination. To formally test this hypothesis we designed the Delapril and Manidipine for Nephroprotection in Diabetes (DEMAND) study, a prospective, randomized, double blind trial aimed to compare the effect of 3 years treatment with the ACEi Delapril (30 mg/day), alone or combined to the CCB Manidipine (10 mg/day), versus conventional (non ACEi, non CCB) therapy on the rate of renal function loss and on the incidence of major cardiovascular events in 342 normo- and micro-albuminuric hypertensive type 2 diabetic patients.

Timeline

Start

2002-02

Primary completion

—

Completion

2008-06

Outcome

Missed primary endpoint

paper In hypertensive type 2 diabetic patients, combined manidipine and delapril therapy failed to slow GFR decline PMID 21931073 ↗

Publications

• Carrara F, Ruggenenti P, Perna A, Iliev IP, Gaspari F, Ferrari S, Stucchi N, Bossi A, Trevisan R, Remuzzi G, Parvanova A. Glomerular resistances predict long-term GFR decline in type 2 diabetic patients without overt nephropathy: a longitudinal subgroup analysis of the DEMAND trial. Acta Diabetol. 2022 Mar;59(3):309-317. doi: 10.1007/s00592-021-01804-9. Epub 2021 Oct 14.
• Ruggenenti P, Porrini EL, Gaspari F, Motterlini N, Cannata A, Carrara F, Cella C, Ferrari S, Stucchi N, Parvanova A, Iliev I, Dodesini AR, Trevisan R, Bossi A, Zaletel J, Remuzzi G; GFR Study Investigators. Glomerular hyperfiltration and renal disease progression in type 2 diabetes. Diabetes Care. 2012 Oct;35(10):2061-8. doi: 10.2337/dc11-2189. Epub 2012 Jul 6.
• Ruggenenti P, Lauria G, Iliev IP, Fassi A, Ilieva AP, Rota S, Chiurchiu C, Barlovic DP, Sghirlanzoni A, Lombardi R, Penza P, Cavaletti G, Piatti ML, Frigeni B, Filipponi M, Rubis N, Noris G, Motterlini N, Ene-Iordache B, Gaspari F, Perna A, Zaletel J, Bossi A, Dodesini AR, Trevisan R, Remuzzi G; DEMAND Study Investigators. Effects of manidipine and delapril in hypertensive patients with type 2 diabetes mellitus: the delapril and manidipine for nephroprotection in diabetes (DEMAND) randomized clinical trial. Hypertension. 2011 Nov;58(5):776-83. doi: 10.1161/HYPERTENSIONAHA.111.174474. Epub 2011 Sep 19.

Drugs

Indications