UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000001247
Receipt number R000001499
Scientific Title Study of Assessment for Kidney function by Urinary microalbumin in RAndomized Trial
Date of disclosure of the study information 2008/07/14
Last modified on 2014/01/07 14:19:14

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Study of Assessment for Kidney function by Urinary microalbumin in RAndomized Trial

Acronym

SAKURA Trial

Scientific Title

Study of Assessment for Kidney function by Urinary microalbumin in RAndomized Trial

Scientific Title:Acronym

SAKURA Trial

Region

Japan


Condition

Condition

Hypertension with diabetic nephropathy

Classification by specialty

Medicine in general Endocrinology and Metabolism Nephrology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To compare the antiproteinuric effect of cilnidipine, a dual L-/N-type calcium channel blocker, and amlodipine, an L-type calcium channel blocker, in hypertensive patients with diabetic nephropathy under treatment with an inhibitor of the renin angiotensin system

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Phase IV


Assessment

Primary outcomes

Change in urinary albumin-creatinine ratio (mg/g*Cr)

Key secondary outcomes

1) urinary albumin-creatinine ratio (mg/g*Cr), 2) stage of chronic kidney disease (CKD), 3) serum creatinine level, 4) estimated glomerular filtration rate, 5) cardiovascular event, 6) antihypertensive effect, 7) heart rate, 8) safety parameters


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -but assessor(s) are blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

amlodipine (initial dose is 5mg/day, but 2.5-10mg is available depending on the effect of blood pressure reduction)

Interventions/Control_2

cilnidipine (initial dose is 10mg/day, but 5-20mg is available depending on the blood pressure level)

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

75 years-old >=

Gender

Male and Female

Key inclusion criteria

1) urinary albumin-creatinine ratio (mg/g*Cr): 30-300mg/g*Cr (casual urine), 2) serum creatinine: 1.5mg/dl and below, 3) blood pressure (BP): systolic BP (SBP) 130mmHg and above or diastolic BP (DBP) 80mmHg and above, and SBP less than 180mmHg and DBP less than 110mmHg, 4) hemoglobin A1c (HbA1c): HbA1c less than 8.0%, 5) age: from 20 to 75 years old, 6) informed consent, 7) patients who received an antidiabetic therapy for 3 months or more, 8) patients who received an antihypertensive treatment with angiotensin II receptor blockers (ARB) or angiotensin converting enzyme (ACE) inhibitors for 3 months or more, and did not receive calcium channel blockers (CCB) during the most recent 3 months before the enrollment

Key exclusion criteria

1) hypertensive emergency, 2) nephropathy due to other than diabetes, 3) history of severe side effects of a CCB, an ARB or an ACE inhibitor, 4) cerebrovascular disease within 6 months of the start of the trial, 5) severe heart failure (New York heart Association classes III and IV), severe arrhythmia, and myocardial infarction within 6 months of the start of the trial, 6) AST and ALT 5 times and more the upper limit of institution's normal, 7) pregnancy, 8) prior use of corticosteroids, immunosuppresants, or nonsteroidal anti-inflammatory drugs (NAISDs), 9) patients who are inadequate to enter this study due to the other reasons by physician's judgments

Target sample size

500


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Toshiro FUJITA

Organization

The University of Tokyo Graduate School of Medicine

Division name

Department of Nephrology and Endocrinology

Zip code


Address

7-3-1 Hongo, Bunkyo-ku, Tokyo

TEL

03

Email

Toshiro.FUJITA@rcast.u-tokyo.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Department of EBM Research

Organization

Kyoto university Hospital

Division name

iACT

Zip code


Address

Syogoinkawaharamachi 54, Sakyo-ku, Kyoto

TEL

0120105894

Homepage URL


Email

syasuno@kuhp.kyoto-u.ac.jp


Sponsor or person

Institute

The University of Tokyo Graduate School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Department account fund

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2008 Year 07 Month 14 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2007 Year 12 Month 20 Day

Date of IRB


Anticipated trial start date

2008 Year 04 Month 01 Day

Last follow-up date

2011 Year 03 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2008 Year 07 Month 14 Day

Last modified on

2014 Year 01 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000001499


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name