UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000003914
Receipt number R000004663
Scientific Title Comparison of blood pressure lowering effect of amlodipine between once-a-daily administration and twice-a-daily administration
Date of disclosure of the study information 2010/07/16
Last modified on 2013/02/18 09:45:00

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Basic information

Public title

Comparison of blood pressure lowering effect of amlodipine between once-a-daily administration and twice-a-daily administration

Acronym

Comparison of blood pressure lowering effect of amlodipine between once-a-daily administration and twice-a-daily administration

Scientific Title

Comparison of blood pressure lowering effect of amlodipine between once-a-daily administration and twice-a-daily administration

Scientific Title:Acronym

Comparison of blood pressure lowering effect of amlodipine between once-a-daily administration and twice-a-daily administration

Region

Japan


Condition

Condition

Essential hypertension

Classification by specialty

Cardiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate whether there is a difference between blood pressure lowering effect of amlodipine once-a-daily administration and twice-a-daily administration

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Difference in 24 h mean blood pressure between the treatment with amlodipine 10mg once a daily and amlodipine 5mg twice a daily

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

After 2 months of treatment with amlodipine 5mg twice a daily,
the same patient will be treated with amlodipine 10mg once a daily.

Interventions/Control_2


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

80 years-old >

Gender

Male and Female

Key inclusion criteria

Outpatients with essential hypertension who are treated with amlodipine 5mg twice a daily

Key exclusion criteria

1. Patients with secondary hypertension
2. Patients with SBP 150 mmHg or greater,or DBP 100 mmHg or greater.
3. Patients with malignant hypertension
4. Patients who were hospitalized because of stroke, myocadial infarction or vascular diseases within 6 months.
5. Patients with atrial fibrillation.
6. Patients with elevated liver enzymes. (AST or ALT is more than 2.5 times as high as upper normal limit)
7. Patients with elevated serum creatinine (2.0mg/dL or greater)
8. Pregnant or nursing women
9. Patients who are considered as inappropriate to participants for this study by attending physician

Target sample size

10


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Jitsuo Higaki

Organization

Ehime University Graduate School of Medicine

Division name

Integrated Medicine and Infomatics

Zip code


Address

Shitsukawa, Toon, Ehime 791-0295, Japan

TEL


Email



Public contact

Name of contact person

1st name
Middle name
Last name

Organization

Ehime University Graduate School of Medicine

Division name

Integrated Medicine and Infomatics

Zip code


Address


TEL


Homepage URL


Email



Sponsor or person

Institute

Department of Integrated Medicine and Infomatics, Ehime University Graduate School of Medicine

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Self funding

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



Other administrative information

Date of disclosure of the study information

2010 Year 07 Month 16 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

2010 Year 06 Month 28 Day

Date of IRB


Anticipated trial start date

2010 Year 07 Month 01 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2010 Year 07 Month 14 Day

Last modified on

2013 Year 02 Month 18 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000004663


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name