Asthma
Conditions
Keywords
Symbicort SMART
Brief summary
The purpose of this study is to compare whether Symbicort Maintenance & Reliever Therapy (SMART) is more effective in uncontrolled asthmatic patients than their current therapy in a real life situation.
Interventions
Turbuhaler 160/4.5 µg delivered dose, twice daily (one inhalation in the morning and one inhalation in the evening) and as need (prn) in response to symptoms
Sponsors
Study design
Eligibility
Inclusion criteria
* Provision of signed informed consent * Asthma diagnosis at least 6 months before visit 1 of study * Patients who have reversible airway obstruction continuous asthma treatment except Symbicort at least within 4 weeks before visit 1 of study
Exclusion criteria
* Known or suspected allergy to active ingredients of study medication or excipients * Use of oral, rectal or parenteral glucocorticosteroids 30 days before visit 1 of study * Smoking, current or previous with a smoking history of ≥ 10 pack years
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Change in Asthma Control Questionnaire (ACQ(5)) Score From Baseline at a Regional Level | Baseline and 12 weeks | Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12). |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change in Overall ACQ(5) Score From Baseline at Country Level (India) | Baseline and 12 weeks | Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12). |
| Change in Overall ACQ(5) Score From Baseline at Country Level (Indonesia) | Baseline and 12 weeks | Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12). |
| Change in Overall ACQ(5) Score From Baseline at Country Level (Taiwan) | Baseline and 12 weeks | Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12). |
| Change in Overall ACQ(5) Score From Baseline at Country Level (Thailand) | Baseline and 12 weeks | Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12). |
| Change in Asthma Quality of Life Questionnaire, Standardized Version (AQLQ (S)) Overall Scores From Baseline | Baseline and 12 weeks | Participants' QOL were scored on a scale of decreasing QOL impairment from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) score from baseline were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12) |
| Change in AQLQ (S) Domain (Symptom) Scores From Baseline | Baseline and 12 weeks | Participants' QOL were scored on a scale of decreasing QOL impairment from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) symptom score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12). |
| Change in AQLQ (S) Domain (Activity Limitation) Scores From Baseline | Baseline and 12 weeks | Participants' QOL were scored on a scale of decreasing QOL impairment from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) symptom score from baseline were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12) |
| Change in ACQ(5) Score From Baseline at Country Level (China) | Baseline and 12 weeks | Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12). |
| Change in AQLQ (S) Domain (Environmental Stimuli) Scores From Baseline | Baseline and 12 weeks | Participants ' responses to environmental stimuli were scored on a scale of decreasing response to environmental stimuli from 1 to 7, in which 1 = maximum response. The change in overall mean AQLQ(S) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12) |
| Study Medication Use (Maintenance and Reliever) in Diary Cards - Change in As-needed Day-time Reliever Medication From run-in Period | Baseline and 12 weeks | Change in the number of as-needed day-time inhalations of medication, defined as the difference in mean value of all available data obtained during treatment period and mean value in run-in period. |
| Study Medication Use (Maintenance and Reliever) in Diary Cards - Change in As-needed Night-time Reliever Medication From run-in Period | Baseline and 12 weeks | Change in the number of as-needed night-time inhalations of medication, calculated as difference in mean value of all available data obtained during treatment period and mean value in run-in period. |
| Study Medication Use (Maintenance and Reliever) in Diary Cards - Total Number of Inhalations of Symbicort® 160µg/4.5µg Per Day During Treatment Period | Baseline and 12 weeks | Total number of inhalations of Symbicort® 160µg/4.5µg per day during treatment period, defined as the sum of maintenance medication and as-needed medication during night and day time |
| Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 3 Inhalations of Symbicort® 160µg/4.5µg in a Day | Baseline and 12 weeks | The mean percentage of days during treatment period participants used ≥ 3 inhalations of Symbicort® 160µg/4.5µg in a day |
| Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 5 Inhalations of of Symbicort® 160µg/4.5µg in a Day | Baseline and 12 weeks | The mean percentage of days during treatment period participants used ≥ 5 inhalations of Symbicort® 160µg/4.5µg in a day |
| Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 9 Inhalations of Symbicort® 160µg/4.5µg in a Day | Baseline and 12 weeks | The mean percentage of days during treatment period participants used ≥ 9 inhalations of Symbicort® 160µg/4.5µg in a day |
| Change in AQLQ (S) Domain (Emotion Function) Scores From Baseline | Baseline and 12 weeks | Participants' emotional functions were scored on a scale of decreasing impairment to emotional function from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) emotion function score were calculated as change from baseline (Week 0) to the treatment period (mean of the scores at Week 4, Week 8, Week 12) |
Countries
China, India, Indonesia, Taiwan, Thailand
Participant flow
Recruitment details
A total of 1022 asthma patients were enrolled at 51 sites in 5 Asian countries: China (21 sites), India (12 sites), Indonesia (3 sites), Thailand (6 sites) and Taiwan (9 sites) during the period July 2009 to August 2010. Of the 1022 enrolled, 862 participants entered into a 12-week treatment with the investigational drug.
Pre-assignment details
The study consisted of an initial screening visit followed by a 2-week run-in period before a 12-week treatment with investigational drug.
Participants by arm
| Arm | Count |
|---|---|
| Symbicort Turbuhaler 160/4.5 µg delivered dose | 862 |
| Total | 862 |
Withdrawals & dropouts
| Period | Reason | FG000 |
|---|---|---|
| Overall Study | Adverse Event | 15 |
| Overall Study | Incorrect enrolment | 8 |
| Overall Study | Lost to Follow-up | 23 |
| Overall Study | Pregnancy | 1 |
| Overall Study | Protocol Violation | 6 |
| Overall Study | Withdrawal by Subject | 13 |
Baseline characteristics
| Characteristic | Symbicort Turbuhaler |
|---|---|
| Age Continuous All Participants | 13.7 Years STANDARD_DEVIATION 44.7 |
| Sex: Female, Male Female | 455 Participants |
| Sex: Female, Male Male | 407 Participants |
Adverse events
| Event type | EG000 affected / at risk |
|---|---|
| deaths Total, all-cause mortality | — / — |
| other Total, other adverse events | 0 / 862 |
| serious Total, serious adverse events | 12 / 862 |
Outcome results
Change in Asthma Control Questionnaire (ACQ(5)) Score From Baseline at a Regional Level
Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12).
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in Asthma Control Questionnaire (ACQ(5)) Score From Baseline at a Regional Level | -0.58 Units on a scale | 95% Confidence Interval -0.64 |
Change in ACQ(5) Score From Baseline at Country Level (China)
Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12).
Time frame: Baseline and 12 weeks
Population: This outcome measure is reported at individual country level only, and therefore the number of patients analyzed are less than reported in participant flow, which captures the total patients in the region.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in ACQ(5) Score From Baseline at Country Level (China) | -0.58 Units on a scale | 95% Confidence Interval -0.67 |
Change in AQLQ (S) Domain (Activity Limitation) Scores From Baseline
Participants' QOL were scored on a scale of decreasing QOL impairment from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) symptom score from baseline were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12)
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in AQLQ (S) Domain (Activity Limitation) Scores From Baseline | 0.59 Units on a scale | 95% Confidence Interval 0.53 |
Change in AQLQ (S) Domain (Emotion Function) Scores From Baseline
Participants' emotional functions were scored on a scale of decreasing impairment to emotional function from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) emotion function score were calculated as change from baseline (Week 0) to the treatment period (mean of the scores at Week 4, Week 8, Week 12)
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in AQLQ (S) Domain (Emotion Function) Scores From Baseline | 0.77 Units on a scale | 95% Confidence Interval 0.7 |
Change in AQLQ (S) Domain (Environmental Stimuli) Scores From Baseline
Participants ' responses to environmental stimuli were scored on a scale of decreasing response to environmental stimuli from 1 to 7, in which 1 = maximum response. The change in overall mean AQLQ(S) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12)
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in AQLQ (S) Domain (Environmental Stimuli) Scores From Baseline | 0.67 Units on a scale | 95% Confidence Interval 0.6 |
Change in AQLQ (S) Domain (Symptom) Scores From Baseline
Participants' QOL were scored on a scale of decreasing QOL impairment from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) symptom score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12).
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in AQLQ (S) Domain (Symptom) Scores From Baseline | 0.77 Units on a scale | 95% Confidence Interval 0.7 |
Change in Asthma Quality of Life Questionnaire, Standardized Version (AQLQ (S)) Overall Scores From Baseline
Participants' QOL were scored on a scale of decreasing QOL impairment from 1 to 7, in which 1 = maximum impairment. The change in overall mean AQLQ(S) score from baseline were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12)
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in Asthma Quality of Life Questionnaire, Standardized Version (AQLQ (S)) Overall Scores From Baseline | 0.70 Units on a scale | 95% Confidence Interval 0.64 |
Change in Overall ACQ(5) Score From Baseline at Country Level (India)
Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12).
Time frame: Baseline and 12 weeks
Population: This outcome measure is reported at individual country level only, and therefore the number of patients analyzed are less than reported in participant flow, which captures the total patients in the region.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in Overall ACQ(5) Score From Baseline at Country Level (India) | -0.74 Units on a scale | 95% Confidence Interval -0.92 |
Change in Overall ACQ(5) Score From Baseline at Country Level (Indonesia)
Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12).
Time frame: Baseline and 12 weeks
Population: This outcome measure is reported at individual country level only, and therefore the number of patients analyzed are less than reported in participant flow, which captures the total patients in the region.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in Overall ACQ(5) Score From Baseline at Country Level (Indonesia) | -1.18 Units on a scale | 95% Confidence Interval -1.4 |
Change in Overall ACQ(5) Score From Baseline at Country Level (Taiwan)
Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12).
Time frame: Baseline and 12 weeks
Population: This outcome measure is reported at individual country level only, and therefore the number of patients analyzed are less than reported in participant flow, which captures the total patients in the region.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in Overall ACQ(5) Score From Baseline at Country Level (Taiwan) | -0.22 Units on a scale | 95% Confidence Interval -0.38 |
Change in Overall ACQ(5) Score From Baseline at Country Level (Thailand)
Participants' levels of asthma control were scored on a 7-point Likert scale from 0 to 6, whereby 0 represents good control and 6 represents poor control of asthma. The regional mean change of overall ACQ(5) score were calculated as change from baseline (Week 0) to the average during the treatment period (mean of scores at Week 4, Week 8, Week 12).
Time frame: Baseline and 12 weeks
Population: This outcome measure is reported at individual country level only, and therefore the number of patients analyzed are less than reported in participant flow, which captures the total patients in the region.
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Change in Overall ACQ(5) Score From Baseline at Country Level (Thailand) | -0.36 Units on a scale | 95% Confidence Interval -0.48 |
Study Medication Use (Maintenance and Reliever) in Diary Cards - Change in As-needed Day-time Reliever Medication From run-in Period
Change in the number of as-needed day-time inhalations of medication, defined as the difference in mean value of all available data obtained during treatment period and mean value in run-in period.
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Study Medication Use (Maintenance and Reliever) in Diary Cards - Change in As-needed Day-time Reliever Medication From run-in Period | -0.30 Number of inhalations | 95% Confidence Interval -0.36 |
Study Medication Use (Maintenance and Reliever) in Diary Cards - Change in As-needed Night-time Reliever Medication From run-in Period
Change in the number of as-needed night-time inhalations of medication, calculated as difference in mean value of all available data obtained during treatment period and mean value in run-in period.
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Study Medication Use (Maintenance and Reliever) in Diary Cards - Change in As-needed Night-time Reliever Medication From run-in Period | -0.30 Number of inhalations | 95% Confidence Interval -0.35 |
Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 3 Inhalations of Symbicort® 160µg/4.5µg in a Day
The mean percentage of days during treatment period participants used ≥ 3 inhalations of Symbicort® 160µg/4.5µg in a day
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 3 Inhalations of Symbicort® 160µg/4.5µg in a Day | 28.25 Percentage of days | Standard Deviation 33.03 |
Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 5 Inhalations of of Symbicort® 160µg/4.5µg in a Day
The mean percentage of days during treatment period participants used ≥ 5 inhalations of Symbicort® 160µg/4.5µg in a day
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 5 Inhalations of of Symbicort® 160µg/4.5µg in a Day | 6.21 Percentage of days | Standard Deviation 16.17 |
Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 9 Inhalations of Symbicort® 160µg/4.5µg in a Day
The mean percentage of days during treatment period participants used ≥ 9 inhalations of Symbicort® 160µg/4.5µg in a day
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Study Medication Use (Maintenance and Reliever) in Diary Cards - Percentage of Days During Treatment Period Participants Used ≥ 9 Inhalations of Symbicort® 160µg/4.5µg in a Day | 0.19 Percentage of days | Standard Deviation 1.92 |
Study Medication Use (Maintenance and Reliever) in Diary Cards - Total Number of Inhalations of Symbicort® 160µg/4.5µg Per Day During Treatment Period
Total number of inhalations of Symbicort® 160µg/4.5µg per day during treatment period, defined as the sum of maintenance medication and as-needed medication during night and day time
Time frame: Baseline and 12 weeks
| Arm | Measure | Value (MEAN) | Dispersion |
|---|---|---|---|
| Symbicort Turbuhaler | Study Medication Use (Maintenance and Reliever) in Diary Cards - Total Number of Inhalations of Symbicort® 160µg/4.5µg Per Day During Treatment Period | 2.51 Number of inhalations | Standard Deviation 0.93 |