A Randomized Study To Evaluate The Efficacy And Safety Of An Investigational Drug In Adolescent And Adult Subjects With Asthma Uncontrolled on Low-Dose ICS Therapy.
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ClinicalTrials.gov Identifier: NCT00603278 |
Recruitment Status :
Completed
First Posted : January 29, 2008
Results First Posted : August 12, 2013
Last Update Posted : December 28, 2016
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Sponsor:
GlaxoSmithKline
Information provided by (Responsible Party):
GlaxoSmithKline
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Study Type | Interventional |
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Study Design | Allocation: Randomized; Intervention Model: Parallel Assignment; Masking: Double (Participant, Investigator); Primary Purpose: Treatment |
Condition |
Asthma |
Interventions |
Drug: GW685698X Drug: placebo |
Enrollment | 622 |
Participant Flow
Recruitment Details | |
Pre-assignment Details | Participants (par.) meeting eligibility criteria at the Screening visit completed a 28-day Run-in Period for Baseline safety evaluations and measures of asthma status. Par. were then randomized to an 8-week Treatment Period. 1406 par. were screened, and 622 par. were randomized, out of which 615 par. received at least one dose of study treatment. |
Arm/Group Title | Placebo | GW685698X 100 µg OD | GW685698X 200 µg OD | GW685698X 300 µg OD | GW685698X 400 µg OD | FP 250 µg BID |
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Arm/Group Description | Participants received placebo once daily (OD) in the evening from the novel dry powder inhaler (NDPI) and placebo twice daily (BID) from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol inhalation aerosol to be used as needed throughout the study. | Participants received GW685698X 100 micrograms (µg) OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received GW685698X 200 µg OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received GW685698X 300 µg OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received GW685698X 400 µg OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received fluticasone propionate (FP) 250 µg BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) plus placebo OD in the evening from the NDPI for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. |
Period Title: Overall Study | ||||||
Started | 107 | 105 | 101 | 103 | 99 | 100 |
Completed | 66 | 88 | 87 | 92 | 86 | 81 |
Not Completed | 41 | 17 | 14 | 11 | 13 | 19 |
Reason Not Completed | ||||||
Lack of Efficacy | 35 | 10 | 11 | 8 | 7 | 14 |
Adverse Event | 0 | 3 | 1 | 0 | 2 | 1 |
Withdrawal by Subject | 2 | 3 | 1 | 2 | 1 | 2 |
Protocol Violation | 3 | 0 | 1 | 1 | 0 | 1 |
Physician Decision | 0 | 1 | 0 | 0 | 2 | 1 |
Lost to Follow-up | 1 | 0 | 0 | 0 | 1 | 0 |
Baseline Characteristics
Arm/Group Title | Placebo | GW685698X 100 µg OD | GW685698X 200 µg OD | GW685698X 300 µg OD | GW685698X 400 µg OD | FP 250 µg BID | Total | |
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Arm/Group Description | Participants received placebo once daily OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol inhalation aerosol to be used as needed throughout the study. | Participants received GW685698X 100 µg OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received GW685698X 200 µg OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received GW685698X 300 µg OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received GW685698X 400 µg OD in the evening from the NDPI and placebo BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Participants received fluticasone propionate (FP) 250 µg BID from the DISKUS/ACCUHALER (one inhalation in the morning and one inhalation in the evening) plus placebo OD in the evening from the NDPI for 8 weeks. In addition, participants were provided supplemental albuterol/salbutamol aerosol to be used as needed throughout the study. | Total of all reporting groups | |
Overall Number of Baseline Participants | 107 | 105 | 101 | 103 | 99 | 100 | 615 | |
Baseline Analysis Population Description |
[Not Specified]
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Age, Continuous
Mean (Standard Deviation) Unit of measure: Years |
||||||||
Number Analyzed | 107 participants | 105 participants | 101 participants | 103 participants | 99 participants | 100 participants | 615 participants | |
39.1 (16.19) | 38.3 (16.76) | 38.8 (15.97) | 39.9 (15.57) | 40.7 (15.87) | 39.8 (16.70) | 39.4 (16.14) | ||
Gender
Measure Type: Count of Participants Unit of measure: Participants |
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Number Analyzed | 107 participants | 105 participants | 101 participants | 103 participants | 99 participants | 100 participants | 615 participants | |
Female |
74 69.2%
|
72 68.6%
|
63 62.4%
|
67 65.0%
|
64 64.6%
|
62 62.0%
|
402 65.4%
|
|
Male |
33 30.8%
|
33 31.4%
|
38 37.6%
|
36 35.0%
|
35 35.4%
|
38 38.0%
|
213 34.6%
|
|
Race/Ethnicity, Customized
Measure Type: Number Unit of measure: Participants |
Number Analyzed | 107 participants | 105 participants | 101 participants | 103 participants | 99 participants | 100 participants | 615 participants |
White | 62 | 64 | 65 | 63 | 56 | 61 | 371 | |
Central/South Asian Heritage (HER) | 1 | 1 | 0 | 1 | 0 | 0 | 3 | |
Japanese/East Asian HER/South East Asian HER | 25 | 24 | 23 | 22 | 25 | 23 | 142 | |
American Indian or Alaska Native | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
American Indian or Alaska Native & White | 14 | 12 | 13 | 14 | 13 | 13 | 79 | |
African American/African HER | 5 | 2 | 0 | 2 | 4 | 3 | 16 | |
African American/African Heritage & White | 0 | 1 | 0 | 0 | 0 | 0 | 1 | |
Native Hawaiian or other Pacific Islander | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
Missing | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
Outcome Measures
Adverse Events
Limitations and Caveats
[Not Specified]
More Information
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts
the PI's rights to discuss or publish trial results after the trial is completed.
GSK agreements may vary with individual investigators, but will not prohibit any investigator from publishing. GSK supports the publication of results from all centers of a multi-center trial but requests that reports based on single-site data not precede the primary publication of the entire clinical trial.
Results Point of Contact
Name/Title: | GSK Response Center |
Organization: | GlaxoSmithKline |
Phone: | 866-435-7343 |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | GlaxoSmithKline |
ClinicalTrials.gov Identifier: | NCT00603278 |
Other Study ID Numbers: |
FFA109685 |
First Submitted: | December 27, 2007 |
First Posted: | January 29, 2008 |
Results First Submitted: | June 6, 2013 |
Results First Posted: | August 12, 2013 |
Last Update Posted: | December 28, 2016 |