AsthmaPhase 2NCT00603382
A Randomized Study To Evaluate The Efficacy And Safety Of An Investigational Drug In Adolescent And Adult Subjects With Asthma Uncontrolled on Non-steroidal Therapy.
A Phase 2 study testing GW685698X in people with Asthma, run by GlaxoSmithKline at 149 sites in 14 countries.
Trial summary
This study is designed to determine if the investigational drug is effective and safe in individuals with asthma. Read more about this study
- Who is it for?
- Ages 12 years and older
- Conditions the study is for
- Asthma
- What is being tested?
- GW685698X
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 599 participants
- Where
- 149 sitesin 14 countries
- Study dates
- 1 Dec 2007to 2 Oct 2008
- Phase
- Phase 2
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 12 years and older
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Who may be able to join
- Subjects eligible for enrollment in the study must meet all of the following criteria:
- Type of Subject: Outpatient
- Age: 12 years of age or older at Visit 1. For sites in the following countries, subjects recruited will be ≥18 years of age: Bulgaria, Czech Republic, Germany, Greece, Lithuania, New Zealand, Russian Federation, Turkey and any other countries where local regulations or the regulatory status of study medication permit enrollment of adults only.
- Gender: Male or Eligible Female
- To be eligible for entry into the study, females of childbearing potential must commit to consistent and correct use of an acceptable method of birth control, as defined by the following:
- Male partner who is sterile prior to the female subject's entry into the study and is the sole sexual partner for that female subject
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- Implants of levonorgestrel
- Injectable progestogen
- Oral contraceptive (either combined estrogen/progestin or progestin only)
- Any intrauterine device (IUD) with a documented failure rate of less than 1% per year.
- Females of childbearing potential who are not sexually active must commit to complete abstinence from intercourse throughout the clinical trial and for a period after the trial to account for elimination of the drug (minimum of six days).
- Double barrier method - spermicide plus a mechanical barrier (e.g., spermicide plus a male condom or a spermicide and female diaphragm).
- NB: For German sites, female subjects must use a method of birth control other than the double barrier method.
- The contraceptive transdermal patch, Ortho Evra (if the subject is less than 198 pounds)
- Female subjects should not be enrolled if they are pregnant, lactating or plan to become pregnant during the time of study participation. A serum pregnancy test is required of all females. This test will be performed at the initial screening visit (Visit 1) and Visit 8. In addition, a urine pregnancy test will be performed on the evening of the double-blind treatment visit, prior to randomization (Visit 3) and at Visits 4 through 7.
- Asthma Diagnosis: Asthma as defined by the National Institutes of Health [National Institutes of Health, 2007].
- Severity of Disease: A best FEV1 of 40%-85% of the predicted normal value during the morning Visit 1 screening period or a best FEV1 of 40%-90% of the predicted normal value during the evening Visit 1 screening period.
- Reversibility of Disease: Demonstrated a ≥ 12% and ≥200mL reversibility of FEV1 within approximately 30-minutes following 4 inhalations of albuterol/salbutamol inhalation aerosol (spacers are permitted for reversibility testing if required) or one nebulized albuterol/salbutamol solution at the screening period. Re-screening of subjects during the Visit 1 screening period: If a subject does not meet the inclusion criteria based upon FEV1 percent predicted and/or reversibility, the subject may return to the site once within 4 days and repeat the lung function tests.
- Current Anti-Asthma Therapy: Subjects must have been using a non-corticosteroid controller or short acting beta2-agonist bronchodilators alone (with no inhaled corticosteroids use for at least 6 weeks) for ≥ 3 months preceding Visit 1.
- Short- Acting Beta2-Agonists: All subjects must be able to replace their current short-acting beta2-agonists with albuterol/salbutamol inhalation aerosol at Visit 1 for use as needed for the duration of the study. The use of spacer devices with metered dose inhaler (MDI) or nebulized albuterol/salbutamol will not be allowed during the study with the exception of their use during reversibility testing at Visit 1. Subjects must be able to withhold all inhaled short-acting beta sympathomimetic bronchodilators for at least 6 hours prior to all study visits.
- Informed Consent: All subjects must be able and willing to give written informed consent to take part in the study.
- Compliance: Subjects must be able to comply with completion of the Daily Diary (includes paper medical conditions diary).
- French subjects: In France, a subject will be eligible for inclusion in this study only if either affiliated to or a beneficiary of a social security category.
- At the end of the run-in period, a subject will be eligible to enter the treatment period of the study if he/she meets the following criteria at Visit 3:
- Evening pre-dose percent predicted FEV1 of between 40% and 90% of their predicted normal.
- Any combination of the daily asthma symptom scores (day-time plus night-time) of ≥1 or albuterol/salbutamol use on at least 4 of the last 7 consecutive days of the run-in period (immediately preceding Visit 3).
Who cannot join
- History of Life-threatening asthma: Defined for this protocol as an asthma episode that required intubation and/or was associated with hypercapnia, respiratory arrest or hypoxic seizures.
- Respiratory Infection: Culture-documented or suspected bacterial or viral infection of the upper or lower respiratory tract, sinus or middle ear that is not resolved within 4 weeks before Visit 1 and led to a change in asthma management, or in the opinion of the Investigator is expected to affect the subjects asthma status or the subjects ability to participate in the study.
- Asthma Exacerbation: Any asthma exacerbation requiring oral corticosteroids within 3 months of Visit 1. A subject must not have had any hospitalization for asthma within 6 months prior to Visit 1.
- Concurrent Diseases/Abnormalities: Historical or current evidence of clinically significant uncontrolled disease including, but not limited to: cardiovascular disease, hepatic disease, renal disease, hematological disease, neurological disease, or pulmonary disease (including, but not confined to chronic bronchitis, emphysema, bronchiectasis with the need of treatment, cystic fibrosis, bronchopulmonary dysplasia, and chronic obstructive pulmonary disease). Significant is defined as any disease that, in the opinion of the investigator, would put the safety of the subject at risk through participation, or which would affect the efficacy or safety analysis if the disease/condition exacerbated during the study. The list of additional excluded conditions/diseases includes, but is not limited to the following: congestive heart failure, clinically significant coronary heart disease, stroke within 3 months of Visit 1, poorly controlled peptic ulcer, immunologic compromise, tuberculosis (current or untreated), Addison's disease, uncontrolled thyroid disorder, known aortic aneurysm, clinically significant cardiac arrhythmia, uncontrolled hypertension1, hematological, hepatic, or renal disease, current malignancy2, cushings disease, uncontrolled diabetes mellitus, recent history of drug or alcohol abuse.
- systolic blood pressure ≥160, or diastolic blood pressure >100
- history of malignancy is acceptable only if subject has been in remission for one year prior to Visit 1 (remission = no current evidence of malignancy and no treatment for the malignancy in the 12 months prior to Visit 1)
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- Patients with a history of tuberculosis who have received an approved prophylactic treatment regimen or an approved active treatment regimen and who have had no evidence of active disease for a minimum of 2 years may be enrolled [American Thoracic Society, 2003; American Thoracic Society, 2005]"
- Oropharyngeal Examination: A subject will not be eligible for the run-in if he/she has clinical visual evidence of oral candidiasis at Visit 1.
- Investigational Medications: A subject must not have participated in a study or used any investigational drug within 30 days prior to Visit 1.
- Drug Allergy: Any adverse reaction including immediate or delayed hypersensitivity to any beta2-agonist, sympathomimetic drug, or any intranasal, inhaled, or systemic corticosteroid therapy. Known or suspected sensitivity to the constituents of the novel dry powder inhaler or DISKUS/ACCUHALER (i.e., lactose or magnesium stearate).
- Milk Protein Allergy: History of severe milk protein allergy.
- Immunosuppressive Medications: A subject must not be using, or require use, of immunosuppressive medications during the study.
- NOTE: Immunotherapy for the treatment of allergies is allowed during the study provided that the treatment was initiated prior to Visit 1 and the subject is maintained on a stable regimen throughout the study period.
- Attendance: A subject will not be eligible if he/she or his/her parent or legal guardian has any infirmity, disability, or geographical location which seems likely (in the opinion of the Investigator) to impair compliance with any aspect of this study protocol or scheduled visits to the study center and non-compliant with study medication or procedures (e.g. completion of daily diary). Neurological or psychiatric disease or history of drug or alcohol abuse which in the opinion of the investigator could interfere with the subject's proper completion of the protocol requirements excludes study participation.
- Tobacco Use : Current smoker or a smoking history of 10 pack years or more (e.g. 20 cigarettes/day for 10 years). A subject may not have used tobacco products within the past one year (i.e., cigarettes, cigars, or pipe tobacco).
- Affiliation with Investigator's Site: A subject will not be eligible for this study if he/she is an immediate family member of the participating Investigator, sub-Investigator, study coordinator, or employee of the participating Investigator.
- Corticosteroid Use: Administration of systemic, oral or depot corticosteroids within 12 weeks of Visit 1.
- Administration of inhaled corticosteroids within 6 weeks of Visit 1.
- Potent Cytochrome P450 3A4 (CYP3A4) inhibitors: Patients who are receiving potent CYP3A4 inhibitors within 4 weeks of Visit 1 (e.g., ritonavir, ketoconazole, itraconazole).
- Exclusion Criteria for Randomization At the end of the run-in period, a subject will not be eligible to enter the treatment period of the study if they meet any of the following criteria.
- Clinical Laboratory Abnormalities: Clinically significant abnormal laboratory tests during Visit 1 which are still abnormal upon repeat analysis and are not believed to be due to disease(s) present. Each Investigator will use his/her own discretion in determining the clinical significance of the abnormality. When in doubt, GlaxoSmithKline, or designee, should be notified so that a joint decision can be made.
- Changes in asthma medication (excluding albuterol/salbutamol inhalation aerosol provided at Visit 1).
- Occurrence of an culture-documented or suspected bacterial or viral infection of the upper or lower respiratory tract, sinus or middle ear during the run-in period that led to a change in asthma management, or in the opinion of the Investigator is expected to affect the subject's asthma status or the subject's ability to participate in the study.
- Asthma exacerbation, defined as any worsening of asthma requiring any treatment other than rescue albuterol/salbutamol or regular inhaled corticosteroid use. This includes requiring the use of systemic corticosteroids and / or emergency room visit or hospitalization or a change in subject's regular inhaled corticosteroid dose.
- A subject will not be eligible for randomization if he/she has an abnormal visual oropharyngeal exam at the randomization Visit 3 (visual clinical evidence of oral candidiasis).
- Non-compliance with completion of the Daily Diary, defined as: - Completion of AM and PM symptom scores on less than 4 days out of the last 7 days immediately preceding Visit 3.
- Completion of AM and PM rescue use on less than 4 days out of the last 7 days immediately preceding Visit 3.
- Completion of AM and PM PEF measurements on less than 4 days out of the last 7 days immediately preceding Visit 3.
- Recording run-in asthma medication use on less than 4 days out of the last 7 days immediately preceding Visit 3.
Trial locations and contacts
149 sites in 14 countries.
149 sites in 14 countries
United States94 sites
GSK Investigational Site
Bangor, Maine, 04401
GSK Investigational Site
Bellingham, Washington, 98225
GSK Investigational Site
Billings, Montana, 59101
GSK Investigational Site
Bloomingdale, Illinois, 60108
GSK Investigational Site
Bluffton, South Carolina, 29910
GSK Investigational Site
Boca Raton, Florida, 33487
GSK Investigational Site
Boerne, Texas, 78006
GSK Investigational Site
Bridgeport, Connecticut, 06606
GSK Investigational Site
Butte, Montana, 59701
GSK Investigational Site
Canton, Ohio, 44718
GSK Investigational Site
Charleston, South Carolina, 29406
GSK Investigational Site
Charleston, South Carolina, 29414
GSK Investigational Site
Chicago, Illinois, 60617
GSK Investigational Site
Cincinnati, Ohio, 45231
GSK Investigational Site
Cleveland, Ohio, 44113
GSK Investigational Site
Clifton, New Jersey, 7011
GSK Investigational Site
Cocoa, Florida, 32927
GSK Investigational Site
Colorado Springs, Colorado, 80910
GSK Investigational Site
Columbus, Ohio, 43235
GSK Investigational Site
Crescent Springs, Kentucky, 41017
GSK Investigational Site
Dallas, Texas, 75231
GSK Investigational Site
Dallas, Texas, 75246
GSK Investigational Site
Daytona Beach, Florida, 32114
GSK Investigational Site
DeKalb, Illinois, 60115
GSK Investigational Site
Detroit, Michigan, 48221
GSK Investigational Site
Dickinson, Texas, 77539
GSK Investigational Site
East Syracuse, New York, 13057
GSK Investigational Site
Eugene, Oregon, 97401
GSK Investigational Site
Evansville, Indiana, 47713
GSK Investigational Site
Fort Smith, Arkansas, 72903
GSK Investigational Site
Fort Worth, Texas, 76104
GSK Investigational Site
Fresno, California, 93720
GSK Investigational Site
Gainesville, Georgia, 30501
GSK Investigational Site
Granada Hills, California, 91344
GSK Investigational Site
Greensboro, North Carolina, 27408
GSK Investigational Site
Greenville, North Carolina, 27834
GSK Investigational Site
Gurnee, Illinois, 60031
GSK Investigational Site
Hillsborough, New Jersey, 08844
GSK Investigational Site
Huntington Beach, California, 92647
GSK Investigational Site
Iowa City, Iowa, 52240
GSK Investigational Site
Ithaca, New York, 14850
GSK Investigational Site
Jackson, Mississippi, 39202
GSK Investigational Site
Knoxville, Tennessee, 37909
GSK Investigational Site
Largo, Florida, 33770
GSK Investigational Site
Las Vegas, Nevada, 89107
GSK Investigational Site
Lenexa, Kansas, 66215
GSK Investigational Site
Little Rock, Arkansas, 72211-3733
GSK Investigational Site
Long Beach, California, 90806
GSK Investigational Site
Long Beach, California, 90808
GSK Investigational Site
Los Angeles, California, 90048
GSK Investigational Site
Los Angeles, California, 90095
GSK Investigational Site
Manassas, Virginia, 20110
GSK Investigational Site
Medford, Oregon, 97504
GSK Investigational Site
Metairie, Louisiana, 70002
GSK Investigational Site
Miami, Florida, 33126
GSK Investigational Site
Miami, Florida, 33157
GSK Investigational Site
Missoula, Montana, 59808
GSK Investigational Site
North Dartmouth, Massachusetts, 02747
GSK Investigational Site
Ocala, Florida, 34471
GSK Investigational Site
Oklahoma City, Oklahoma, 73112
GSK Investigational Site
Oklahoma City, Oklahoma, 73120
GSK Investigational Site
Palmdale, California, 93551
GSK Investigational Site
Phoenix, Arizona, 85028
GSK Investigational Site
Pittsburgh, Pennsylvania, 15243
GSK Investigational Site
Plano, Texas, 75093
GSK Investigational Site
Raleigh, North Carolina, 27607
GSK Investigational Site
Red Bank, New Jersey, 07701
GSK Investigational Site
Riverside, California, 92506
GSK Investigational Site
Rochester, Minnesota, 55905
GSK Investigational Site
Rockville Centre, New York, 11570
GSK Investigational Site
Rolla, Missouri, 65401
GSK Investigational Site
Roseville, California, 95678
GSK Investigational Site
San Antonio, Texas, 78205
GSK Investigational Site
San Antonio, Texas, 78229
GSK Investigational Site
San Antonio, Texas, 78233
GSK Investigational Site
San Diego, California, 92120
GSK Investigational Site
Skillman, New Jersey, 08558
GSK Investigational Site
South Burlington, Vermont, 05403
GSK Investigational Site
Spokane, Washington, 99204
GSK Investigational Site
Spokane, Washington, 99207
GSK Investigational Site
St Louis, Missouri, 63141
GSK Investigational Site
St Louis, Missouri, 63143
GSK Investigational Site
Tampa, Florida, 33613
GSK Investigational Site
Taylor, Michigan, 48180
GSK Investigational Site
Torrance, California, 90505
GSK Investigational Site
Waco, Texas, 76712
GSK Investigational Site
Walnut Creek, California, 94598
GSK Investigational Site
Warrensburg, Missouri, 64093
GSK Investigational Site
Waterbury, Connecticut, 06708
GSK Investigational Site
West Covina, California, 91790
GSK Investigational Site
West Palm Beach, Florida, 33401
GSK Investigational Site
Wheat Ridge, Colorado, 80033
GSK Investigational Site
Winter Park, Florida, 32789
GSK Investigational Site
Ypsilanti, Michigan, 48197
Canada11 sites
GSK Investigational Site
Ajax, Ontario, L1S 2J5
GSK Investigational Site
Bay Roberts, Newfoundland and Labrador, A0A 1G0
GSK Investigational Site
Brampton, Ontario, L6T 3T1
GSK Investigational Site
Mississauga, Ontario, L5M 2V8
GSK Investigational Site
Ottawa, Ontario, K1Y 4G2
GSK Investigational Site
Québec, Quebec, G1V 4M6
GSK Investigational Site
Sainte-Foy, Quebec, G1V 4G5
GSK Investigational Site
Saskatoon, Saskatchewan, S7K 7H9
GSK Investigational Site
Sherbrooke, Quebec, J1H 1Z1
GSK Investigational Site
Toronto, Ontario, M3H 5S4
GSK Investigational Site
Trois-Rivières, Quebec, G8T 7A1
France6 sites
GSK Investigational Site
Évreux, 27000
GSK Investigational Site
Montbrison, 42600
GSK Investigational Site
Montpellier, 34295
GSK Investigational Site
Toulon, 83000
GSK Investigational Site
Toulouse, 31300
GSK Investigational Site
Vieux-Condé, 59690
Germany6 sites
GSK Investigational Site
Berlin, 10717
GSK Investigational Site
Berlin, 10965
GSK Investigational Site
Gelnhausen, Hesse, 63571
GSK Investigational Site
Marburg, Hesse, 35037
GSK Investigational Site
Potsdam, Brandenburg, 14469
GSK Investigational Site
Sinsheim, Baden-Wurttemberg, 74889
South Korea6 sites
GSK Investigational Site
Bucheon-si, 420-767
GSK Investigational Site
Cheongju, Chungcheongbuk-do, 361-711
GSK Investigational Site
Gwangju, 501-757
GSK Investigational Site
Seoul, 110-744
GSK Investigational Site
Seoul, 120-752
GSK Investigational Site
Suwon, Kyonggi-do, 443-721
Russia5 sites
GSK Investigational Site
Barnaul, 656 045
GSK Investigational Site
Novokuznetsk, 654063
GSK Investigational Site
Samara, 443079
GSK Investigational Site
Smolensk, 214 019
GSK Investigational Site
Yaroslavl, 150003
Bulgaria4 sites
GSK Investigational Site
Plovdiv, 4000
GSK Investigational Site
Sofia, 1202
GSK Investigational Site
Sofia, 1606
GSK Investigational Site
Varna, 9010
Mexico3 sites
GSK Investigational Site
Guadalajara, Jalisco, 44100
GSK Investigational Site
Monterrey N.L, Nuevo León, 64988
GSK Investigational Site
Zapopan, Jalisco, 45040
Philippines3 sites
GSK Investigational Site
Cavite, 4114
GSK Investigational Site
Cebu City, 6000
GSK Investigational Site
Manila, 1000
Slovakia3 sites
GSK Investigational Site
Banská Bystrica, 975 17
GSK Investigational Site
Bratislava, 841 08
GSK Investigational Site
Martin, 036 59
Estonia2 sites
GSK Investigational Site
Tallinn, 13419
GSK Investigational Site
Tartu, 51014
Peru2 sites
GSK Investigational Site
Lima, Lima 1
GSK Investigational Site
Lima, Lima 27
Poland2 sites
GSK Investigational Site
Lodz, 90-153
GSK Investigational Site
Zawadzkie, 47-120
Sweden2 sites
GSK Investigational Site
Boden, SE-961 64
GSK Investigational Site
Luleå, SE-971 89
About this study
Official title: A Randomized Double-Blind, Double-Dummy, Placebo-Controlled, Parallel-Group, Multicenter, Dose Ranging Study to Evaluate the Efficacy and Safety of GW685698X Inhalation Powder Administered Once Daily and Fluticasone Propionate Inhalation Powder 100mcg Twice Daily Compared With Placebo for 8 Weeks in Adolescent and Adult Subjects With Persistent Asthma Symptomatic on Non-Steroidal, Asthma Therapy
This study is designed to determine if the investigational drug is effective and safe in individuals with asthma.
Read the detailed description
A Randomized Double-Blind, Double-Dummy, Placebo-Controlled, Parallel-Group, Multicenter, Dose Ranging Study to Evaluate the Efficacy and Safety of GW685698X Inhalation Powder Once Daily and Fluticasone Propionate Inhalation Powder Twice Daily compared with Placebo for 8 Weeks in Adolescent and Adult Subjects with Persistent Asthma Symptomatic on Non-Steroidal, Asthma Therapy
- Conditions
- Asthma
- Being tested
- GW685698X, Placebo
- Keywords
- Adults, Pharmacokinetics, Pharmacogenetics, Asthma, Adolescents, GW685698X
- Medical subject headings
- Asthma
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
GW685698XDrug
GW685698X
PlaceboDrug
placebo comparator
| Study group | Role | What they receive |
|---|---|---|
| Placebo | Placebo comparator | Not described Receives: Drug: Placebo |
| GW685698X | Experimental | Not described Receives: Drug: GW685698X |
What is being measured
The primary outcome is the main question the study is designed to answer.
Mean Change From Baseline in Trough (Evening Pre-dose and Pre- Rescue Bronchodilator) FEV1 at Week 8
Pulmonary function was measured by forced expiratory volume in one second (FEV1), defined as the maximal amount of air that can be forcefully exhaled from the lungs in one second. Pre-dose and pre-rescue bronchodilator (albuterol/salbutamol) trough FEV1(the measurement of FEV1 performed at the end of the dosing interval) was measured electronically by spirometry in the evening at the Baseline through Week 8 clinic visits. Trough FEV1 is the FEV1 measured approximately 24 hours after the last administration of study drug. The highest of 3 technically acceptable measurements was recorded. The Visit 3 FEV1 assessment was used as the Baseline value. Change from Baseline in trough FEV1 was calculated as the value at Week 8 minus the value at Baseline. The analysis was performed using an Analysis of Covariance (ANCOVA) model with covariates of Baseline trough FEV1, country, sex, age, and treatment group.
Measured: Baseline and Week 8
Secondary outcomes (22)
Mean Change From Baseline in Daily Trough (Pre-dose and Pre-rescue Bronchodilator) Evening Peak Expiratory Flow (PEF) Averaged Over the 8-week Treatment Period
PEF is defined as the maximum airflow during a forced expiration beginning with the lungs fully inflated. Trough PEF is defined as the PEF measurement performed at the end of the dosing interval. PEF was measured by the participants using a hand-held electronic peak flow meter each evening prior to the dose of study medication and any rescue albuterol/salbutamol inhalation aerosol use. The best of three attempts was recorded by the participants in a daily diary. The Baseline value was derived from the last 7 days of the daily diary prior to the randomization of the participant. Change from Baseline was calculated as the value of the averaged daily evening PEF over the 8-week treatment period minus the value at Baseline. The analysis was performed using an ANCOVA model with covariates of Baseline trough evening PEF, country, sex, age, and treatment group.
Measured: From Baseline up to Week 8
Mean Change From Baseline in Daily Morning PEF Averaged Over the 8-week Treatment Period
PEF is defined as the maximum airflow during a forced expiration beginning with the lungs fully inflated. Trough PEF is defined as the PEF measurement performed at th end of the dosing interval. PEF was measured by the participants using a hand-held electronic peak flow meter each morning prior to the dose of study medication and any rescue albuterol/salbutamol inhalation aerosol use. The best of three attempts was recorded by the participants in a daily diary. The Baseline value was derived from the last 7 days of the daily diary prior to the randomization of the participant. Change from Baseline was calculated as the value of the averaged daily morning PEF over the 8-week treatment period minus the value at Baseline. The analysis was performed using an ANCOVA model with covariates of Baseline trough morning PEF, country, sex, age, and treatment group.
Measured: From Baseline up to Week 8
Mean Change From Baseline in the Percentage of Symptom-free 24 Hour (hr) Periods During the 8-week Treatment Period
Asthma symptoms were recorded in a daily dairy by the participants every day in the morning and evening before taking any rescue or study medication and before PEF measurement. A 24-hour period in which a participant's responses to both the morning and evening assessments indicated no symptoms was considered as symptom-free. The Baseline value was derived from the last 7 days of the daily diary prior to the randomization of the participant. Change from Baseline was calculated as the averaged value during the 8-week Treatment Period minus the value at Baseline. The analysis was performed using an ANCOVA model with covariates of Baseline, country, sex, age, and treatment group.
Measured: From Baseline up to Week 8
Mean Change From Baseline in the Percentage of Rescue Free 24-hour (hr) Periods During the 8-week Treatment Period
The number of inhalations of rescue albuterol/salbutamol inhalation aerosol used during the day and night was recorded by the participants in a daily diary. A 24-hour period in which a participant's responses to both the morning and evening assessments indicated no use of rescue medication was considered as rescue-free. The Baseline value was derived from the last 7 days of the daily diary prior to the randomization of the participant. Change from Baseline was calculated as the averaged value during the 8-week Treatment Period minus the value at Baseline. The analysis was performed using an ANCOVA model with covariates of Baseline, country, sex, age, and treatment group.
Measured: From Baseline up to Week 8
Number of Participants Who Withdrew Due to Lack of Efficacy During the 8-Week Treatment Period
The number of participants whose primary reason for withdrawal was lack of efficacy was analyzed.
Measured: From the first dose of study medication up to Week 8/Early Withdrawal
Number of Participants With Any On-treatment Adverse Events or Serious Adverse Events Throughout the 8-week Treatment Period
An adverse event (AE) is defined as any untoward medical occurrence in a participant, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. A serious adverse event (SAE) is defined as any untoward medical occurrence that, at any dose: results in death; is life-threatening; requires hospitalization or prolongation of existing hospitalization; results in disability/incapacity; or is a congenital anomaly/birth defect. Medical or scientific judgment should have been exercised in other situations. Refer to the general AE/SAE module for a list of AEs (occurring at a frequency threshold >=3%) and SAEs.
Measured: From the first dose of study medication up to Week 8/Early Withdrawal
Number of Participants With Clinical/Visual Evidence of Oropharyngeal Candidiasis
A detailed oropharyngeal examination for visual evidence of oral candidiasis was performed.
Measured: From Baseline up to Week 8/Early Withdrawal
Percentage of Basophils, Eosinophils, Lymphocytes, Monocytes, and Total Neutrophils in the Blood at Baseline and Week 8
Blood samples were collected for the measurement of basophils, eosinophils, lymphocytes, monocytes, and total neutrophils at Baseline (BL) and Week 8 (W8). The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8
Hematocrit at Baseline and Week 8
Blood samples were collected for the measurement of Hematocrit at Baseline (BL) and Week 8 (W8). The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8
Hemoglobin at Baseline and Week 8
Blood samples were collected for the measurement of hemoglobin at Baseline (BL)and Week 8 (W8). The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8
Platelet Count and White Blood Cell (WBC) Count at Baseline and Week 8
Blood samples were collected for the measurement of platelet count and WBC count at Baseline (BL) and Week 8 (W8). The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8
Red Blood Cells (RBC) Count at Baseline and Week 8
Blood samples were collected for the measurement of RBC count at Baseline (BL) and Week 8 (W8). The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8
Clinical Chemistry Parameters of Alkaline Phosphatase (ALP), Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), Lactate Dehydrogenase (LD), and Gamma Glutamyltransferase (GGT) at Baseline and Week 8
Blood samples were collected for the measurement of ALP, ALT, AST, LD and GGT at Baseline (BL) and Week 8 (W8). The Baseline value was the measurement taken at Screening (Visit 1).
Measured: Baseline and Week 8
Clinical Chemistry Parameters of Albumin and Total Protein at Baseline and Week 8
Blood samples were collected for the measurement of albumin and total protein at Baseline (BL) and Week 8 (W8). The Baseline value was the measurement taken at Screening (Visit 1).
Measured: Baseline and Week 8
Clinical Chemistry Parameters of Chloride, Calcium, Carbon Dioxide Content/Bicarbonate (CO2/BI), Cholesterol, Glucose, Phosphorus Inorganic(PI), Potassium, Sodium, and Urea/Blood Urea Nitrogen (BUN) at Baseline and Week 8
Blood samples were collected for the measurement of chloride, calcium, CO2/BI, cholesterol, glucose, PI, potassium, sodium, and urea/blood urea nitrogen at Baseline (BL) and Week 8 (W8). The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8
Clinical Chemistry Parameters of Creatinine, Direct Bilirubin, Total Bilirubin, and Uric Acid at Baseline and Week 8
Blood samples were collected for the measurement of creatinine, direct bilirubin (DBIL), total bilirubin (TBIL), and uric acid at Baseline and Week 8. The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8
Number of Participants With the Indicated Result for the Indicated Urinalysis Parameters Tested by Dipstick at Baseline and Week 8/Early Withdrawal
Urinalysis parameters included: Urine Occult Blood (UOB), Urine Glucose (UG), Urine Ketones (UK), Urine Protein (UP), and Urine Leukocyte Esterase test for detecting White Blood Cell (UWBC). The dipstick was a strip used to detect the presence or absence of these parameters in the urine sample. The dipstick test gives results in a semi-quantitative manner, and results for urinalysis parameters can be read as large, moderate (Mod), negative (Neg), small, Trace, 1+, 2+, 3+ and 4+, and for UG the result can be read as Neg, Trace, Trace or 1/10 G/dL, 1+ or 1/4 G/dL, 3+ or 1 G/dL, indicating proportional concentrations in the urine sample. Data are reported as the number of participants who had neg, Trace, 1+, 2+, 3+ and 4+ levels at Baseline (BL) and Week 8 (W8)/Early Withdrawal (EW). The Baseline value was the measurement taken at screening (Visit 1).
Measured: Baseline and Week 8/Early Withdrawal
Urine Specific Gravity at Baseline and Week 8/Early Withdrawal
Urine samples were collected for the measurement of urine specific gravity by dipstick method at Baseline and at Week 8/Early Withdrawal. The Baseline value was the measurement taken at screening (Visit 1). Specific gravity is a measure of the amount of material dissolved in the urine. Specific gravity is the ratio of the density (mass of a unit volume) of a substance to the density (mass of the same unit volume) of a reference substance. Normal urine has a specific gravity between 1.010 and 1.020.
Measured: Baseline and Week 8/Early Withdrawal
Urine pH at Baseline and Week 8/Early Withdrawal
Urine samples were collected for the measurement of urine pH by dipstick method at Baseline and at Week 8/Early Withdrawal. The Baseline value was the measurement taken at screening (Visit 1). Urine pH is an acid-base measurement. pH is measured on a numeric scale ranging from 0 to 14; values on the scale refer to the degree of alkalinity or acidity. A pH of 7 is neutral. A pH less than 7 is acidic, and a pH greater than 7 is basic. Normal urine has a slightly acid pH (5.0 - 6.0).
Measured: Baseline and Week 8/Early Withdrawal
24-hour Urinary Cortisol Excretion at Baseline and Week 8
A 24-hour urine sample was collected for the measurement of 24 hr urinary cortisol excretion at the following scheduled time points: within 7 days prior to Study Visits 3 (Week 0) and Visit 8 (Week 8). The Baseline value for 24 hr urinary cortisol was taken from Visit 3.
Measured: Baseline and Week 8
Change From Baseline in Systolic Blood Pressure (SBP) and Diastolic Blood Pressure (DBP) at Week 8
Change from Baseline was calculated as the Week 8 value minus the Baseline value.
Measured: Baseline and Week 8
Change From Baseline in Heart Rate at Week 8
Change from Baseline was calculated as the Week 8 value minus the Baseline value.
Measured: Baseline and Week 8
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted29 Jan 2008 (estimated)
- Study start1 Dec 2007
- Primary completion1 Oct 2008
- Study completion2 Oct 2008
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (4)Papers the sponsor has linked to this study.
- Other trials for AsthmaStudies of the same condition, open and under way.
- More trials run by GlaxoSmithKlineThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 599 participants (actual)
Sponsor and investigators
- Lead sponsor
- GlaxoSmithKline
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- GSK Clinical Trials, Study director, GlaxoSmithKline
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00603382
- Sponsor's protocol ID
- FFA109687
- Status last verified
- Mar 2018
- First submitted
- 27 Dec 2007
- Last updated
- 18 Apr 2018
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- No
- Individual data sharing
- Yes: Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
Publications
Bateman ED, Bleecker ER, Lotvall J, Woodcock A, Forth R, Medley H, Davis AM, Jacques L, Haumann B, Busse WW. Dose effect of once-daily fluticasone furoate in persistent asthma: a randomized trial. Respir Med. 2012 May;106(5):642-50. doi: 10.1016/j.rmed.2012.01.004. Epub 2012 Feb 18.
PubMed 22342538Psaila B, Bussel JB, Linden MD, Babula B, Li Y, Barnard MR, Tate C, Mathur K, Frelinger AL, Michelson AD. In vivo effects of eltrombopag on platelet function in immune thrombocytopenia: no evidence of platelet activation. Blood. 2012 Apr 26;119(17):4066-72. doi: 10.1182/blood-2011-11-393900. Epub 2012 Jan 31.
PubMed 22294727O'Byrne PM, Jacques L, Goldfrad C, Kwon N, Perrio M, Yates LJ, Busse WW. Integrated safety and efficacy analysis of once-daily fluticasone furoate for the treatment of asthma. Respir Res. 2016 Nov 24;17(1):157. doi: 10.1186/s12931-016-0473-x.
PubMed 27881132Gross AS, Goldfrad C, Hozawa S, James MH, Clifton CS, Sugiyama Y, Jacques L. Ethnic sensitivity assessment of fluticasone furoate/vilanterol in East Asian asthma patients from randomized double-blind multicentre Phase IIb/III trials. BMC Pulm Med. 2015 Dec 24;15:165. doi: 10.1186/s12890-015-0159-z.
PubMed 26704701
Study at a glance
From the registry record, last updated by the sponsor on 18 Apr 2018. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Randomized Double-Blind, Double-Dummy, Placebo-Controlled, Parallel-Group, Multicenter, Dose Ranging Study to Evaluate the Efficacy and Safety of GW685698X Inhalation Powder Administered Once Daily and Fluticasone Propionate Inhalation Powder 100mcg Twice Daily Compared With Placebo for 8 Weeks in Adolescent and Adult Subjects With Persistent Asthma Symptomatic on Non-Steroidal, Asthma Therapy
- ClinicalTrials.gov ID
- NCT00603382
- Acronym / sponsor ID
- FFA109687
- Conditions
- Asthma
- Keywords
- Adults, Pharmacokinetics, Pharmacogenetics, Asthma, Adolescents, GW685698X
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 599 participants (actual)
- Lead sponsor
- GlaxoSmithKlineIndustry (pharma, biotech, devices)
- Study start
- 1 Dec 2007
- Primary completion
- 1 Oct 2008 (actual)
- Study completion
- 2 Oct 2008 (actual)
- First posted
- 29 Jan 2008 (estimated)
- Results
- Posted 19 Aug 2013
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study is designed to determine if the investigational drug is effective and safe in individuals with asthma.
Detailed description
A Randomized Double-Blind, Double-Dummy, Placebo-Controlled, Parallel-Group, Multicenter, Dose Ranging Study to Evaluate the Efficacy and Safety of GW685698X Inhalation Powder Once Daily and Fluticasone Propionate Inhalation Powder Twice Daily compared with Placebo for 8 Weeks in Adolescent and Adult Subjects with Persistent Asthma Symptomatic on Non-Steroidal, Asthma Therapy
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Placebo | Placebo comparator | Drug: Placebo |
| GW685698X | Experimental | Drug: GW685698X |
Who may qualify
- Ages
- 12 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Key inclusion criteria (26 listed)
- Type of Subject: Outpatient
- Age: 12 years of age or older at Visit 1. For sites in the following countries, subjects recruited will be ≥18 years of age: Bulgaria, Czech Republic, Germany, Greece, Lithuania, New Zealand, Russian Federation, Turkey and any other countries where local regulations or the regulatory status of study medication permit enrollment of adults only.
- Gender: Male or Eligible Female
- To be eligible for entry into the study, females of childbearing potential must commit to consistent and correct use of an acceptable method of birth control, as defined by the following:
- Male partner who is sterile prior to the female subject's entry into the study and is the sole sexual partner for that female subject
Key exclusion criteria (29 listed)
- History of Life-threatening asthma: Defined for this protocol as an asthma episode that required intubation and/or was associated with hypercapnia, respiratory arrest or hypoxic seizures.
- Respiratory Infection: Culture-documented or suspected bacterial or viral infection of the upper or lower respiratory tract, sinus or middle ear that is not resolved within 4 weeks before Visit 1 and led to a change in asthma management, or in the opinion of the Investigator is expected to affect the subjects asthma status or the subjects ability to participate in the study.
- Asthma Exacerbation: Any asthma exacerbation requiring oral corticosteroids within 3 months of Visit 1. A subject must not have had any hospitalization for asthma within 6 months prior to Visit 1.
- Concurrent Diseases/Abnormalities: Historical or current evidence of clinically significant uncontrolled disease including, but not limited to: cardiovascular disease, hepatic disease, renal disease, hematological disease, neurological disease, or pulmonary disease (including, but not confined to chronic bronchitis, emphysema, bronchiectasis with the need of treatment, cystic fibrosis, bronchopulmonary dysplasia, and chronic obstructive pulmonary disease). Significant is defined as any disease that, in the opinion of the investigator, would put the safety of the subject at risk through participation, or which would affect the efficacy or safety analysis if the disease/condition exacerbated during the study. The list of additional excluded conditions/diseases includes, but is not limited to the following: congestive heart failure, clinically significant coronary heart disease, stroke within 3 months of Visit 1, poorly controlled peptic ulcer, immunologic compromise, tuberculosis (current or untreated), Addison's disease, uncontrolled thyroid disorder, known aortic aneurysm, clinically significant cardiac arrhythmia, uncontrolled hypertension1, hematological, hepatic, or renal disease, current malignancy2, cushings disease, uncontrolled diabetes mellitus, recent history of drug or alcohol abuse.
- systolic blood pressure ≥160, or diastolic blood pressure >100
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| GW685698XGW685698X | Drug | GW685698X |
| Placeboplacebo comparator | Drug | Placebo |
Primary outcome
Mean Change From Baseline in Trough (Evening Pre-dose and Pre- Rescue Bronchodilator) FEV1 at Week 8
Time frame: Baseline and Week 8
Pulmonary function was measured by forced expiratory volume in one second (FEV1), defined as the maximal amount of air that can be forcefully exhaled from the lungs in one second. Pre-dose and pre-rescue bronchodilator (albuterol/salbutamol) trough FEV1(the measurement of FEV1 performed at the end of the dosing interval) was measured electronically by spirometry in the evening at the Baseline through Week 8 clinic visits. Trough FEV1 is the FEV1 measured approximately 24 hours after the last administration of study drug. The highest of 3 technically acceptable measurements was recorded. The Visit 3 FEV1 assessment was used as the Baseline value. Change from Baseline in trough FEV1 was calculated as the value at Week 8 minus the value at Baseline. The analysis was performed using an Analysis of Covariance (ANCOVA) model with covariates of Baseline trough FEV1, country, sex, age, and treatment group.
22 secondary outcomes
Mean Change From Baseline in Daily Trough (Pre-dose and Pre-rescue Bronchodilator) Evening Peak Expiratory Flow (PEF) Averaged Over the 8-week Treatment Period
Time frame: From Baseline up to Week 8
Mean Change From Baseline in Daily Morning PEF Averaged Over the 8-week Treatment Period
Time frame: From Baseline up to Week 8
Mean Change From Baseline in the Percentage of Symptom-free 24 Hour (hr) Periods During the 8-week Treatment Period
Time frame: From Baseline up to Week 8
Mean Change From Baseline in the Percentage of Rescue Free 24-hour (hr) Periods During the 8-week Treatment Period
Time frame: From Baseline up to Week 8
Number of Participants Who Withdrew Due to Lack of Efficacy During the 8-Week Treatment Period
Time frame: From the first dose of study medication up to Week 8/Early Withdrawal
Number of Participants With Any On-treatment Adverse Events or Serious Adverse Events Throughout the 8-week Treatment Period
Time frame: From the first dose of study medication up to Week 8/Early Withdrawal
Number of Participants With Clinical/Visual Evidence of Oropharyngeal Candidiasis
Time frame: From Baseline up to Week 8/Early Withdrawal
Percentage of Basophils, Eosinophils, Lymphocytes, Monocytes, and Total Neutrophils in the Blood at Baseline and Week 8
Time frame: Baseline and Week 8
Hematocrit at Baseline and Week 8
Time frame: Baseline and Week 8
Hemoglobin at Baseline and Week 8
Time frame: Baseline and Week 8
Platelet Count and White Blood Cell (WBC) Count at Baseline and Week 8
Time frame: Baseline and Week 8
Red Blood Cells (RBC) Count at Baseline and Week 8
Time frame: Baseline and Week 8
Clinical Chemistry Parameters of Alkaline Phosphatase (ALP), Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), Lactate Dehydrogenase (LD), and Gamma Glutamyltransferase (GGT) at Baseline and Week 8
Time frame: Baseline and Week 8
Clinical Chemistry Parameters of Albumin and Total Protein at Baseline and Week 8
Time frame: Baseline and Week 8
Clinical Chemistry Parameters of Chloride, Calcium, Carbon Dioxide Content/Bicarbonate (CO2/BI), Cholesterol, Glucose, Phosphorus Inorganic(PI), Potassium, Sodium, and Urea/Blood Urea Nitrogen (BUN) at Baseline and Week 8
Time frame: Baseline and Week 8
Clinical Chemistry Parameters of Creatinine, Direct Bilirubin, Total Bilirubin, and Uric Acid at Baseline and Week 8
Time frame: Baseline and Week 8
Number of Participants With the Indicated Result for the Indicated Urinalysis Parameters Tested by Dipstick at Baseline and Week 8/Early Withdrawal
Time frame: Baseline and Week 8/Early Withdrawal
Urine Specific Gravity at Baseline and Week 8/Early Withdrawal
Time frame: Baseline and Week 8/Early Withdrawal
Urine pH at Baseline and Week 8/Early Withdrawal
Time frame: Baseline and Week 8/Early Withdrawal
24-hour Urinary Cortisol Excretion at Baseline and Week 8
Time frame: Baseline and Week 8
Change From Baseline in Systolic Blood Pressure (SBP) and Diastolic Blood Pressure (DBP) at Week 8
Time frame: Baseline and Week 8
Change From Baseline in Heart Rate at Week 8
Time frame: Baseline and Week 8
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 Apr 2018.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 22342538Bateman ED, Bleecker ER, Lotvall J, Woodcock A, Forth R, Medley H, Davis AM, Jacques L, Haumann B, Busse WW. Dose effect of once-daily fluticasone furoate in persistent asthma: a randomized trial. Respir Med. 2012 May;106(5):642-50. doi: 10.1016/j.rmed.2012.01.004. Epub 2012 Feb 18.
- Background: PubMed 22294727Psaila B, Bussel JB, Linden MD, Babula B, Li Y, Barnard MR, Tate C, Mathur K, Frelinger AL, Michelson AD. In vivo effects of eltrombopag on platelet function in immune thrombocytopenia: no evidence of platelet activation. Blood. 2012 Apr 26;119(17):4066-72. doi: 10.1182/blood-2011-11-393900. Epub 2012 Jan 31.
- Derived from this study: PubMed 27881132O'Byrne PM, Jacques L, Goldfrad C, Kwon N, Perrio M, Yates LJ, Busse WW. Integrated safety and efficacy analysis of once-daily fluticasone furoate for the treatment of asthma. Respir Res. 2016 Nov 24;17(1):157. doi: 10.1186/s12931-016-0473-x.
- Derived from this study: PubMed 26704701Gross AS, Goldfrad C, Hozawa S, James MH, Clifton CS, Sugiyama Y, Jacques L. Ethnic sensitivity assessment of fluticasone furoate/vilanterol in East Asian asthma patients from randomized double-blind multicentre Phase IIb/III trials. BMC Pulm Med. 2015 Dec 24;15:165. doi: 10.1186/s12890-015-0159-z.
- Researchers can use this site to request access to anonymised patient level data and/or supporting documents from clinical studies to conduct further research.Link provided by the sponsor.
- Individual participant dataSharing planned: Yes. Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
GSK Clinical Trials study director
GlaxoSmithKline
149 sites in 14 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing GW685698X in people with Asthma, run by GlaxoSmithKline at 149 sites in 14 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 26 inclusion and 29 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 18 Apr 2018. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 149 sites in United States, Canada, France, Germany, South Korea and 9 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 19 Aug 2013). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Mean Change From Baseline in Trough (Evening Pre-dose and Pre- Rescue Bronchodilator) FEV1 at Week 8 (time frame: Baseline and Week 8). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00603382, which also lists 4 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 18 Apr 2018.