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Effects of combination therapy with efonidipine or cilnidipine added on ARB on renal outcomes in hypertensive patients with CKD and proteinuria

Effects of combination therapy with efonidipine or cilnidipine added on ARB on renal outcomes in hypertensive patients with CKD and proteinuria - Study of renoprotection witH angiotensIN receptor blocker And efonidipine in hyperteNsive patients with chrOnic kidney disease

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000005359
Enrollment
250
Registered
2011-04-01
Start date
2011-07-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Hypertension with chronic kidney disease

Interventions

Irbesartan 200 mg/day and efonidipine 40-60 mg/day (initial dose is 20 mg for elderly patients) Irbesartan 200 mg/day and cilnidipine 5-10 mg/day

Sponsors

Shinshu University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Outpatients and in-patients who give written informed consent. (2) Patients with hypertension and CKD whose blood pressure cannot achieve less than 130/80 mmHg. Patients with persistent proteinuria (>1 g/day) whose blood pressure cannot achieve less than 125/75 mmHg. (3) Patients with diabetes mellitus whose albuminuria cannot achieve less than 30 mg/g. Patients without diabetes mellitus whose proteinuria cannot achieve less than 300 mg/g. (4) Patients under treatment with an ARB except irbesartan and Patients who do not achieve the above-mentioned criteria (2) or (3). (5) Patients with serum Cr≤3.0 mg/dL (patients with eGFR≥40)

Exclusion criteria

Exclusion criteria: (1) Patients who are younger than 20 or older than 80 years. (2) Patients who have renovascular hypertension, primary aldosteronism, Cushing's disease, or pheochromocytoma (3) Patients who had transient ischemic attack or apoplexy within six months prior to enrollment (4) Patients who had unstable angina, acute myocardial infarction, or underwent coronary artery bypass graft or percutaneous coronary intervention within six months prior to enrollment. (5) Patients who have congestive heart failure of NYHA class II or higher (6) Patients who have dissection of aorta or occlusive arterial disease (7) Patients who have HbA1c > 9.0% or uncontrolled diabetes mellitus (8) Patients who are pregnant or have possibility of pregnancy (9) Patients whose levels of AST or ALT are more than 2 times higher than upper normal limits (10) Patients who had nephrotic syndrome within one year prior to enrollment or have nephrotic syndrome (11) Patients who have malignant diseases or collagen diseases (12) Patients in whom irbesartan is contraindicated (13) Patients in whom efonidipine is contraindicated (14) Patients in whom cilnidipine is contraindicated (15) Patients who have previous history of allergy to an ARB or CCB (16) Patients who are taking another hypertensive drug together with an ARB at maximum dosing (17) Patients who were deemed not appropriate to participate in this study by doctor

Design outcomes

Primary

MeasureTime frame
(1) Change in aldosterone (2) Change in proteinuria (3) Change in eGFR

Secondary

MeasureTime frame
Change before and after treatment of the following items: (1) BNP and hs-CRP (2) Urinary 8-OHdG

Countries

Japan

Contacts

Public ContactMakoto Higuchi

Shinshu University Hospital Blood Purification Unit and Nephrology

mhiguchi@shinshu-u.ac.jp0263-37-2823

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026