UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000001052
Receipt number R000001182
Scientific Title Prospective randomized study of tolerability and efficacy of combination therapy on chronic kidney disease
Date of disclosure of the study information 2008/02/26
Last modified on 2014/02/25 11:10:33

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Basic information

Public title

Prospective randomized study of tolerability and efficacy of combination therapy on chronic kidney disease

Acronym

PROTECT-CKD Study

Scientific Title

Prospective randomized study of tolerability and efficacy of combination therapy on chronic kidney disease

Scientific Title:Acronym

PROTECT-CKD Study

Region

Japan


Condition

Condition

Chronic kidney diseases

Classification by specialty

Nephrology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

In the patients with chronic kidney disease associated with hypertension, the effects of combination of losartan and low dose of hydrochlorochiazide, combination of losartan and enalapril, and combination of kosartan and amlodipine on blood pressure and urinary excretion of protein or albumin are compared. In addition, achievement rate of goal blood pressure, tolerability, and the effects on metabolism are observed.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Blood pressure changes at 4 months after the start of combination therapy

Key secondary outcomes

Changes in systolic blood pressure at 4 months after the start of combination therapy
Rates of systolic blood pressure change and achievement of goal systolic blood pressure at 4 months after the start of combination therapy
Rates of changes in urinary excretion of protein or albumin at 4 months after the start of combination therapy
Rates and values of systolic blood pressure at 12 months after the start of combination therapy
Rates of changes in urinary excretion of protein or albumin at 12 months after the start of combination therapy
Changes in eGFR values at 12 months after the start of combination therapy
Rates of achievement of goal blood pressure 12 months after the start of combination therapy
Changes in HOMA-R
Safety of the drugs throughout the study period


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification

NO

Dynamic allocation

YES

Institution consideration

Institution is considered as adjustment factor in dynamic allocation.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

3

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Loosartan and hydrochlorothiazide group

Interventions/Control_2

Loosartan and enalapril group

Interventions/Control_3

Loosartan and amlodipine group

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) At 2 months after the therapy with 50 mg of losartan, systolic blood pressure is more than 130 mmHg and/or diastolic blood pressure is more than 80 mmHg.
2) Outpatients only
3) Written informed consent is required.

Key exclusion criteria

1) Diastolic blood pressure is more than 120 mmHg.
2) HbA1cis more than 8.0%.
3) The occurrence of acute myocardial infarction, stroke, and the other vascular diseases within 6 months.
4) The patients who require calcium blocker for ischemic heart disease.
5) The patients with heart failure whose grade is more than NYHA III.
6) The patients with gout or hyperuricemia, which is more than 8.0 mg/dl at the start of the study.
7) Serum creatinine is more than 2.5 mg/dl.
8) AST or ALT is more than three-time of normal upper level
9) Bilateral renal artery stenosis
10) Endocrinological secondary hypertension
11) Autosomal dominant polycystic kidney disease, congenital anomaly of the kidney, unilateral agenesis of the kidney
12) Malignant hypertension
13) Possible or definite case of pregnancy, lactating women
14) The patients with the history of drug allergy to the study drugs.

Target sample size

300


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Yasuhiko Iino

Organization

Nippon Medical School

Division name

Division of Nephrology

Zip code


Address

1-1-5 Sendagi, bunkyo-ku, Tokyo, 113-8602

TEL

03-3822-2131

Email

iinoyasuhiko@nms.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Matsuhiko Hayashi

Organization

Keio University, School of Medicine

Division name

Department of Internal Medicien

Zip code


Address

35 Shinanomachi, Shinjuku-ku,Tokyo 160-8582

TEL

03-5363-3796

Homepage URL


Email

matuhiko@z3.keio.jp


Sponsor or person

Institute

Kanto District CKD Treatment Study Group

Institute

Department

Personal name



Funding Source

Organization

The Kidney Foundation

Organization

Division

Category of Funding Organization

Non profit foundation

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 02 Month 26 Day


Related information

URL releasing protocol


Publication of results

Partially published


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

2008 Year 01 Month 15 Day

Date of IRB


Anticipated trial start date

2008 Year 03 Month 01 Day

Last follow-up date

2011 Year 12 Month 01 Day

Date of closure to data entry

2012 Year 09 Month 01 Day

Date trial data considered complete

2013 Year 10 Month 01 Day

Date analysis concluded

2013 Year 12 Month 01 Day


Other

Other related information



Management information

Registered date

2008 Year 02 Month 25 Day

Last modified on

2014 Year 02 Month 25 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000001182


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name