UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000003250
Receipt number R000003931
Scientific Title Global evidence for asthma exacerbation in long term management
Date of disclosure of the study information 2011/12/31
Last modified on 2012/01/11 10:59:49

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Basic information

Public title

Global evidence for asthma exacerbation in long term management

Acronym

GAIA Study

Scientific Title

Global evidence for asthma exacerbation in long term management

Scientific Title:Acronym

GAIA Study

Region

Japan


Condition

Condition

Bronchial asthma

Classification by specialty

Medicine in general Pneumology Clinical immunology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effect of carbocisteine on frequency of bronchial asthma exacerbation

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Frequency of exacerbation

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

No need to know


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine

Interventions/Control_1

Subjects will take one sachet of carbocisteine granules (containing 500 mg of L- carbocisteine per sachet) three times daily after meals for 48 weeks.

Interventions/Control_2

Subjects will take one sachet of placebo granules (not containing L- carbocisteine) three times daily after meals for 48 weeks.

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

[Observation phase]
- Males and females >= 20 yrs (at time of consent)
- Outpatients
- Patients with mild or moderate persistent asthma (according to the classification of asthma severity) taking into account current treatment.
- Patients with at least one asthma exacerbation in the 12 months prior to the observation phase.
- Patients with a morbidity period of one yr or more prior to the observation phase.
- Patients who have not smoked for one yr or more prior to the observation phase.
- An unequivocal diagnosis of bronchial asthma.
- Patients who can receive the influenza vaccination during the study period
- Patients whose treatment can be matched to the asthma control level
- Patients who have a good understanding of the objectives of the study and who give written consent
[Treatment phase]
Patients who satisfy the following criteria in the observation phase:
- Patients with satisfactory treatment adherence (Patients with a compliance rate >= 70% for each antiasthmatic drug)
- Patients whose PEF measurements were performed at least 5 days/week
- Patients who made asthma diary entries at least 5 days/week
- Patients who satisfy the criteria for concomitant drugs and concomitant therapies in the observation phase

Key exclusion criteria

Patients to whom any of the following criteria apply will be excluded from the study:
[Observation phase] Visit 1
- Patients with definite COPD
- Patients who used continuously oral steroids or short-acting beta-2 receptor stimulants within one month prior to the observation phase (excluding cases when the drug was used to treat an exacerbation)
- Patients who contracted a respiratory infection within one month prior to the observation phase
- Patients who underwent hyposensitization therapy and used Omalizumab within three months prior to the observation phase
- Patients with a reported adverse event related to carbocisteine
- Patients with serious cardiac, hepatic, renal, pulmonary, or hematological disease
- Patients who are pregnant or who are at risk of pregnancy
- Patients with a malignancy
- Other patients deemed unsuitable by the principal investigator or investigator

According to The Global Initiative for Asthma (GINA) 2006, patients to whom the following apply:
- Daytime asthma symptoms: More than twice weekly
- Limitations on activities: Yes
- Nocturnal or early morning symptoms: Yes
- Use of a bronchodilator for asthmatic attack: More than twice weekly
- Respiratory function (FEV1.0): <80% predicted value
For patients who experience three or more of the abovementioned conditions per week:
- Exacerbation: >= 1/week

Target sample size

250


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Terumasa Miyamoto

Organization

Japan Clinical Allergy Research Institute

Division name

Director

Zip code


Address

2-16-1-423, Shinbashi, Minato-ku, Tokyo, Japan

TEL


Email



Public contact

Name of contact person

1st name
Middle name
Last name

Organization

GAIA Study Research Group support center

Division name

GAIA Study Research Group support center

Zip code


Address

1-11-44 Akasaka, Minato-ku, Tokyo, Japan

TEL


Homepage URL


Email



Sponsor or person

Institute

GAIA Study Research Group

Institute

Department

Personal name



Funding Source

Organization

GAIA Study Research Group

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

2011 Year 12 Month 31 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 03 Month 20 Day

Date of IRB


Anticipated trial start date

2010 Year 04 Month 01 Day

Last follow-up date

2011 Year 12 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

2010 Year 02 Month 24 Day

Last modified on

2012 Year 01 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000003931


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name