UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000006342
Receipt number R000007522
Scientific Title Effects of antihypertensive drugs on soluble (pro)renin receptor in hypertensive patients: open-label parallel-group controlled study
Date of disclosure of the study information 2011/11/01
Last modified on 2015/03/15 17:51:21

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Basic information

Public title

Effects of antihypertensive drugs on soluble (pro)renin receptor in hypertensive patients: open-label parallel-group controlled study

Acronym

Effects of antihypertensive drugs on soluble (pro)renin receptor

Scientific Title

Effects of antihypertensive drugs on soluble (pro)renin receptor in hypertensive patients: open-label parallel-group controlled study

Scientific Title:Acronym

Effects of antihypertensive drugs on soluble (pro)renin receptor

Region

Japan


Condition

Condition

hypertension

Classification by specialty

Medicine in general Endocrinology and Metabolism Nephrology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To examine effects of each antihypertensive drugs on development and progression of organ damages and to clarify pathophysiological roles of these measurements by administering antihypertensive drugs in different categories to hypertensive patients, and measuring blood and urine levels of prorenin and soluble (pro)renin receptor.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Blood and urine prorenin and soluble (pro)renin receptor

Key secondary outcomes

1. Blood tests: biochemical measurements, hormones, oxidative stress markers, inflammatory markers, renin
2. Urine tests: pH, albumin/creatinine, hormones, oxidative stress markers, renin
3. Imaging tests: X-rays, CT, MRI, echography
4. Physiological tests: ECG, flow-mediated dilataion(FMD), cardio-anke vascular index(CAVI), augmentaion index(AI), ankle-brachial index(ABI), 24 hours ambulatory blood pressure monitoring(ABPM), visceral/subcutaneous fat ratio measurement


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


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Medicine

Interventions/Control_1

Renin-angiotensin system (RAS) blocker group: During 1-2 months of wash-out period, discontinue previously prescribed RAS blockers [angiotensin II receptor blocker (ARB), angiotensin converting enzyme (ACE) inhibitor, direct renin inhibitor (DRI)] which directly affect RAS, and prescribe antihypertensive drugs which belong to different categories. Then randomly assign patients to RAS blocker group or calcium channel blocker group. Set target blood pressure to <120/85 mmHg, <140/90 mmHg in elderlies, age above 65 year-old, <130/80 mmHg in patients with diabetes mellitus, chronic kidney disease or old myocardial infarction, <140/90 mmHg patients with cerebrovascular disease, according to hypertension treatment guideline 2009, established by the Japanese Society of Hypertension. To achieve the target blood pressure, gradually increase the dosage of the RAS blocker, and if the target blood pressure is not achieved by single agent, add-on drugs from different categories (diuretics, alpha-blockers, beta-blockers, alpha-methyldopa). Intervention period will be 3 years.

Interventions/Control_2

Calcium channel blocker (CCB) group: During 1-2 months of wash-out period, discontinue previously prescribed renin-agiotensin system (RAS) blockers [angiotensin II receptor blocker (ARB), angiotensin converting enzyme (ACE) inhibitor, direct renin inhibitor (DRI)] which directly affect RAS, and prescribe antihypertensive drugs which belong to different categories. Then randomly assign patients to RAS blocker group or CCB group. Set target blood pressure to <120/85 mmHg, <140/90 mmHg in elderlies, age above 65 year-old, <130/80 mmHg in patients with diabetes mellitus, chronic kidney disease or old myocardial infarction, <140/90 mmHg patients with cerebrovascular disease, according to hypertension treatment guideline 2009, established by the Japanese Society of Hypertension. To achieve the target blood pressure, gradually increase the dosage of the CCB, and if the target blood pressure is not achieved by single agent, add-on drugs from different categories (diuretics, alpha-blockers, beta-blockers, alpha-methyldopa). Intervention period will be 3 years.

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


Not applicable

Gender

Male and Female

Key inclusion criteria

1. Patient who fulfills the diagnostic criteria of hypertension
2. Patient who has been signed the consent form after sufficiently informed and fully understood the study

Key exclusion criteria

1. Patient with chronic kidney disease (CKD) stage 4 or 5
2. Patient whom director of the study disqualified

Target sample size

2000


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Atsuhiro Ichihara

Organization

Tokyo Women's Medical University

Division name

Department of medicine II

Zip code


Address

8-1, Kawada-cho, Shinjuku-ward, Tokyo, Japan

TEL

03-3353-8111

Email

atzichi@endm.twmu.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Kanako Bokuda

Organization

Tokyo Women's Medical University

Division name

Department of medicine II

Zip code


Address

8-1, Kawada-cho, Shinjuku-ward, Tokyo, Japan

TEL

03-3353-8111

Homepage URL


Email

kanakobkd@endm.twmu.ac.jp


Sponsor or person

Institute

Tokyo Women's Medical University

Institute

Department

Personal name



Funding Source

Organization

Tokyo Women's Medical University

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



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

東京女子医科大学病院(東京都)


Other administrative information

Date of disclosure of the study information

2011 Year 11 Month 01 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

Enrolling by invitation

Date of protocol fixation

2011 Year 10 Month 11 Day

Date of IRB


Anticipated trial start date

2011 Year 11 Month 01 Day

Last follow-up date

2021 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

2011 Year 09 Month 14 Day

Last modified on

2015 Year 03 Month 15 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000007522


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name