Unique ID issued by UMIN | UMIN000003250 |
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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 |
Global evidence for asthma exacerbation in long term management
GAIA Study
Global evidence for asthma exacerbation in long term management
GAIA Study
Japan |
Bronchial asthma
Medicine in general | Pneumology | Clinical immunology |
Others
NO
To investigate the effect of carbocisteine on frequency of bronchial asthma exacerbation
Efficacy
Frequency of exacerbation
Interventional
Parallel
Randomized
Individual
Double blind -all involved are blinded
Placebo
YES
NO
Institution is not considered as adjustment factor.
YES
No need to know
2
Treatment
Medicine |
Subjects will take one sachet of carbocisteine granules (containing 500 mg of L- carbocisteine per sachet) three times daily after meals for 48 weeks.
Subjects will take one sachet of placebo granules (not containing L- carbocisteine) three times daily after meals for 48 weeks.
20 | years-old | <= |
Not applicable |
Male and Female
[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
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
250
1st name | |
Middle name | |
Last name | Terumasa Miyamoto |
Japan Clinical Allergy Research Institute
Director
2-16-1-423, Shinbashi, Minato-ku, Tokyo, Japan
1st name | |
Middle name | |
Last name |
GAIA Study Research Group support center
GAIA Study Research Group support center
1-11-44 Akasaka, Minato-ku, Tokyo, Japan
GAIA Study Research Group
GAIA Study Research Group
Self funding
NO
2011 | Year | 12 | Month | 31 | Day |
Unpublished
Completed
2010 | Year | 03 | Month | 20 | Day |
2010 | Year | 04 | Month | 01 | Day |
2011 | Year | 12 | Month | 01 | Day |
2010 | Year | 02 | Month | 24 | Day |
2012 | Year | 01 | Month | 11 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000003931
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