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AsthmaPhase 2NCT01147744

Dose Ranging Study Evaluating the Efficacy and Safety of GSK2190915 Administered Once Daily

A Phase 2 study testing Fluticasone Propionate 100mcg via ACCUHALER/DISKUS, GSK2190915 100mg and GSK2190915 10mg in people with Asthma, run by GlaxoSmithKline at 84 sites in 6 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

To evaluate the efficacy, dose response and safety of four doses of GSK2190915 in tablet form (10mg, 30mg, 100mg and 300mg) administered once daily, over 8 weeks compared with placebo in adolescent and adult subjects (12 years of age and older) with persistent asthma. Read more about this study

Who is it for?
Ages 12 years and older, women only
Conditions the study is for
Asthma
What is being tested?
Fluticasone Propionate 100mcg via ACCUHALER/DISKUS, GSK2190915 100mg and GSK2190915 10mg
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
700 participants
Where
84 sitesin 6 countries
Study dates
28 Jun 2010to 6 Oct 2011
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
  • Women only
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • Type of Subject: Outpatient
  • Age: ≥12 years of age
  • Gender: Eligible Female (females of childbearing potential must commit to consistent and correct use of an acceptable method of birth control)
  • Asthma Diagnosis: As defined by NIH
  • Severity of Disease: FEV1 50-85% predicted AND in current and former smokers a post salbutamol/albuterol ratio >0.70
  • Reversibility: ≥12% and ≥200mL in FEV1 within 30 ±15 minutes following salbutamol/albuterol
Show all 11Show fewer
  • Current anti-asthma therapy: Using short-acting beta-agonist (SABA) for ≥3 months
  • Tobacco use: Non-smoker /former smoker with ≤10 pack years or current smoker with ≤10 pack years
  • QTC: QTc(F)<450msec or QTc(F)<480 for subjects with Bundle Branch Block
  • Liver function: Normal liver function
  • Informed Consent

Who cannot join

  • History of Life-threatening asthma: Within previous 5 years
  • Asthma Exacerbation: Requiring OCS within 3 months or hospitalisation within 6 months
  • Respiratory Infection: Not resolved within the 4 weeks before V1 AND led to a change in asthma management OR treatment with antibiotics OR is expected to affect the subject's asthma status or ability to participate
  • Corticosteroid Use: ICS used within 6 weeks or OCS/depot corticosteroids within 12 weeks
  • OATP1B1 substrates: OATP1B1 substrates (e.g. statins, rifampicin, bromosulphophthalein, benzylpenicillin, methotrexate) within 4 weeks
  • Immunosuppressive medications: Either using or required during the study
Show all 15Show fewer
  • Liver disease: Current or chronic history
  • Concurrent disease/abnormalities: Clinically significant uncontrolled disease
  • Investigational medications: Participation in a study or used investigational drug within 30 days
  • Drug allergy: β-agonists, corticosteroids, constituents of inhalers
  • Milk Protein Allergy: History of severe milk protein allergy
  • Compliance: Factors likely to impair compliance either with regards to study medication, procedures or attendance
  • Unable or unwilling to follow instructions: Procedures, dosing directions, e-diaries or pMDIs
  • History of alcohol or drug abuse: Likely to interfere with the study
  • Affiliation with Investigator's Site: Relative or employee

Trial locations and contacts

84 sites in 6 countries.

84 sites in 6 countries

United States22 sites
  • GSK Investigational Site

    Bangor, Maine, 04401

  • GSK Investigational Site

    Bellingham, Washington, 98225

  • GSK Investigational Site

    Birmingham, Alabama, 35209

  • GSK Investigational Site

    Canton, Ohio, 44718

  • GSK Investigational Site

    Columbia, Missouri, 65203

  • GSK Investigational Site

    Huntington Beach, California, 92647

  • GSK Investigational Site

    Medford, Oregon, 97504

  • GSK Investigational Site

    Metairie, Louisiana, 70006

  • GSK Investigational Site

    Minneapolis, Minnesota, 55402

  • GSK Investigational Site

    Newport Beach, California, 92663

  • GSK Investigational Site

    Ocean City, New Jersey, 07712

  • GSK Investigational Site

    Oklahoma City, Oklahoma, 73103

  • GSK Investigational Site

    Orangeburg, South Carolina, 29118

  • GSK Investigational Site

    Owensboro, Kentucky, 42301

  • GSK Investigational Site

    Raleigh, North Carolina, 27607

  • GSK Investigational Site

    Rolla, Missouri, 65401

  • GSK Investigational Site

    San Antonio, Texas, 78229

  • GSK Investigational Site

    San Diego, California, 92123

  • GSK Investigational Site

    St Louis, Missouri, 63141

  • GSK Investigational Site

    Tallahassee, Florida, 32308

  • GSK Investigational Site

    Waco, Texas, 76712

  • GSK Investigational Site

    Ypsilanti, Michigan, 48197

Other trials in United States

Japan19 sites
  • GSK Investigational Site

    Chiba, 292-0805

  • GSK Investigational Site

    Fukuoka, 819-0006

  • GSK Investigational Site

    Fukuoka, 819-1102

  • GSK Investigational Site

    Hokkaido, 062-0034

  • GSK Investigational Site

    Hokkaido, 064-0801

  • GSK Investigational Site

    Ibaraki, 319-1113

  • GSK Investigational Site

    Kanagawa, 210-0852

  • GSK Investigational Site

    Osaka, 530-0001

  • GSK Investigational Site

    Osaka, 565-0853

  • GSK Investigational Site

    Saitama, 343-0851

  • GSK Investigational Site

    Tokyo, 102-0083

  • GSK Investigational Site

    Tokyo, 103-0027

  • GSK Investigational Site

    Tokyo, 103-0028

  • GSK Investigational Site

    Tokyo, 130-8587

  • GSK Investigational Site

    Tokyo, 153-0051

  • GSK Investigational Site

    Tokyo, 154-0024

  • GSK Investigational Site

    Tokyo, 158-0097

  • GSK Investigational Site

    Tokyo, 171-0014

  • GSK Investigational Site

    Tokyo, 190-0013

Other trials in Japan

Ukraine19 sites
  • GSK Investigational Site

    Dnipropetrovsk, 49006

  • GSK Investigational Site

    Dnipropetrovsk, 49027

  • GSK Investigational Site

    Dnipropetrovsk, 49051

  • GSK Investigational Site

    Donetsk, 83099

  • GSK Investigational Site

    Ivano-Frankivsk, 76018

  • GSK Investigational Site

    Kharkiv, 61002

  • GSK Investigational Site

    Kharkiv, 61037

  • GSK Investigational Site

    Kharkiv, 61124

  • GSK Investigational Site

    Kiev, 03680

  • GSK Investigational Site

    Kyiv, 02232

  • GSK Investigational Site

    Kyiv, 03115

  • GSK Investigational Site

    Kyiv, 03680

  • GSK Investigational Site

    Kyiv, 04107

  • GSK Investigational Site

    Kyiv, 04201

  • GSK Investigational Site

    Kyiv

  • GSK Investigational Site

    Odesa, 65114

  • GSK Investigational Site

    Simferopol, 95043

  • GSK Investigational Site

    Yalta, 98603

  • GSK Investigational Site

    Zaporizhia, 69035

Other trials in Ukraine

Bulgaria9 sites
  • GSK Investigational Site

    Pleven, 5800

  • GSK Investigational Site

    Plovdiv, 4003

  • GSK Investigational Site

    Rousse, 7000

  • GSK Investigational Site

    Sofia, 1000

  • GSK Investigational Site

    Sofia, 1202

  • GSK Investigational Site

    Sofia, 1407

  • GSK Investigational Site

    Sofia, 1431

  • GSK Investigational Site

    Stara Zagora, 6000

  • GSK Investigational Site

    Varna, 9010

Other trials in Bulgaria

Romania8 sites
  • GSK Investigational Site

    Brasov, 500112

  • GSK Investigational Site

    Bucharest, 020125

  • GSK Investigational Site

    Bucharest, 022102

  • GSK Investigational Site

    Bucharest, 050159

  • GSK Investigational Site

    Cluj-Napoca, 400217

  • GSK Investigational Site

    Cluj-Napoca, 400371

  • GSK Investigational Site

    Deva, 330084

  • GSK Investigational Site

    Timișoara, 300310

Other trials in Romania

Poland7 sites
  • GSK Investigational Site

    Bialystok, 15-084

  • GSK Investigational Site

    Katowice, 40-018

  • GSK Investigational Site

    Krakow, 31-024

  • GSK Investigational Site

    Libiąż, 32-590

  • GSK Investigational Site

    Lodz, 93-329

  • GSK Investigational Site

    Poznan, 60-693

  • GSK Investigational Site

    Tarnów, 33-100

Other trials in Poland

About this study

Official title: A Randomised Double-Blind, Double-Dummy, Placebo-Controlled, Stratified, Parallel-Group, Multicentre, Dose Ranging Study to Evaluate the Efficacy and Safety of GSK2190915 Tablets Administered Once Daily, Fluticasone Propionate Inhalation Powder 100mcg Twice Daily and Montelukast 10mg Once Daily Compared With Placebo for 8 Weeks in Adolescent and Adult Subjects With Persistent Asthma While Treated With Short Acting Beta2-agonist.

To evaluate the efficacy, dose response and safety of four doses of GSK2190915 in tablet form (10mg, 30mg, 100mg and 300mg) administered once daily, over 8 weeks compared with placebo in adolescent and adult subjects (12 years of age and older) with persistent asthma. These data will form the basis for the selection of the optimal daily dose of GSK2190915 to be carried forward in Phase III asthma studies. The study also includes Fluticasone Propionate Inhalation Powder (100 mcg, twice daily) and Montelukast (10mg, once daily) to allow for an exploratory analysis of the efficacy of GSK2190915 versus a low dose inhaled corticosteroid and a leukotriene receptor antagonist.

Conditions
Asthma
Being tested
Fluticasone Propionate 100mcg via ACCUHALER/DISKUS, GSK2190915 100mg, GSK2190915 10mg, GSK2190915 300mg, GSK2190915 30mg
Keywords
Efficacy, Asthma, Safety, Fluticasone Propionate, FLAP, Beta-agonists, GSK2190915, Montelukast, Placebo, FLAIR
Medical subject headings
Asthma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Fluticasone Propionate 100mcg via ACCUHALER/DISKUSDrug

    Fluticasone propionate 100mcg twice daily via ACCUHALER/DISKUS

  • GSK2190915 100mgDrug

    GSK2190915 100mg (1 x 100mg) once daily in the morning

  • GSK2190915 10mgDrug

    GSK2190915 10mg (1 x 10mg) once daily in the morning

  • GSK2190915 300mgDrug

    GSK2190915 300mg (1 x 100mg, 1 x 200mg tablets) once daily in the morning

  • GSK2190915 30mgDrug

    GSK2190915 30mg (1 x 30mg) once daily in the morning

  • Montelukast 10mgDrug

    Montelukast 10mg (1 x 10mg capsule) once daily in the evening

  • Placebo GSK2190915 one tabletDrug

    Placebo tablet, one tablet once daily in the morning

  • Placebo montelukastDrug

    Placebo capsule once daily in the evening

  • Placebo fluticasone propionate via ACCUHALER/DISKUSDrug

    Inhaled placebo twice daily via ACCUHALER/DISKUS

  • Placebo GSK2190915 two tabletsDrug

    Placebo tablet, two tablets once daily in the morning

Study groups in NCT01147744
Study groupRoleWhat they receive
GSK2190915 10mg and placeboExperimentalGSK2190915 10mg (1 x 10mg, 1 x placebo tablets) once daily in the morning and placebo caspule once daily in the evening and inhaled placebo twice daily via ACCUHALER/DISKUS
Receives: Drug: GSK2190915 10mg; Drug: Placebo GSK2190915 one tablet; Drug: Placebo montelukast; Drug: Placebo fluticasone propionate via ACCUHALER/DISKUS
GSK2190915 30mg and placeboExperimentalGSK2190915 30mg (1 x 30mg, 1 x placebo tablets) once daily in the morning and placebo caspule once daily in the evening and inhaled placebo twice daily via ACCUHALER/DISKUS
Receives: Drug: GSK2190915 30mg; Drug: Placebo GSK2190915 one tablet; Drug: Placebo montelukast; Drug: Placebo fluticasone propionate via ACCUHALER/DISKUS
GSK2190915 100mg QD and placeboExperimentalGSK2190915 100mg (1 x 100mg, 1 x placebo tablets) once daily in the morning and placebo caspule once daily in the evening and inhaled placebo twice daily via ACCUHALER/DISKUS
Receives: Drug: GSK2190915 100mg; Drug: Placebo GSK2190915 one tablet; Drug: Placebo montelukast; Drug: Placebo fluticasone propionate via ACCUHALER/DISKUS
GSK2190915 300mg QD and placeboExperimentalGSK2190915 300mg (1 x 100mg, 1 x 200mg tablets) once daily in the morning and placebo caspule once daily in the evening and inhaled placebo twice daily via ACCUHALER/DISKUS
Receives: Drug: GSK2190915 300mg; Drug: Placebo montelukast; Drug: Placebo fluticasone propionate via ACCUHALER/DISKUS
Fluticasone propionate 100mcg and placeboActive comparatorFluticasone propionate 100mcg twice daily via ACCUHALER/DISKUS and two placebo tablets in the morning and one placebo capsule in the evening
Receives: Drug: Fluticasone Propionate 100mcg via ACCUHALER/DISKUS; Drug: Placebo montelukast; Drug: Placebo GSK2190915 two tablets
Montelukast 10mg and placeboActive comparatorMontelukast 10mg (1 x 10mg capsule) once daily in the evening and two placebo tablets in the morning and inhaled placebo twice daily via ACCUHALER/DISKUS
Receives: Drug: Montelukast 10mg; Drug: Placebo fluticasone propionate via ACCUHALER/DISKUS; Drug: Placebo GSK2190915 two tablets
Placebo ComparatorPlacebo comparatorTwo GSK2190915 placebo tablets once daily in the morning, montelukast placebo capsule once daily in the evening and fluticasone propionate placebo twice daily via ACCUHALER/DISKUS
Receives: Drug: Placebo montelukast; Drug: Placebo fluticasone propionate via ACCUHALER/DISKUS; Drug: Placebo GSK2190915 two tablets

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Mean Change From Baseline to the End of the 8-Week Treatment Period in Trough Forced Expiratory Volume in One Second (FEV1)

    Pulmonary function was measured by forced expiratory volume in one second, defined as the maximal amount of air that can be forcefully exhaled in one second. Trough FEV1 is defined as the morning (AM) pre-dose and pre-rescue bronchodilator FEV1 at the clinic visit. Baseline was the pre-dose value obtained at Visit 3. Change from Baseline was calculated as the end of Week 8 value minus the Baseline value. Analysis of covariance (ANCOVA) model used for statistical analysis. ITT Population was comprised of all participant randomized to treatment who received at least one dose of double-blind study medication.

    Measured: Baseline and Week 8

Secondary outcomes (11)
  1. Mean Change From Baseline in Daily Evening (PM) Peak Expiratory Flow (PEF) Averaged Over the 8-Week Treatment Period

    Peak expiratory flow is defined as the maximum airflow during a forced expiration beginning with the lungs fully inflated. Change from Baseline was calculated as the value of the averaged PEF daily (pre-dose and pre-rescue bronchodilator) evening over the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants)

    Measured: Baseline up to Week 8

  2. Mean Change From Baseline in Daily Trough AM PEF Averaged Over the 8-Week Treatment Period

    The PEF is defined as the maximum airflow during a forced expiration beginning with the lungs fully inflated. Trough AM PEF is defined as the AM pre-dose and pre-rescue bronchodilator at the clinic visit. Change from Baseline was calculated as the value of the averaged PEF daily (pre-dose and pre-rescue bronchodilator) AM over the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week 8

  3. Mean Change From Baseline in the Percentage of Symptom-free Days Averaged Over the 8-Week Treatment Period

    Asthma symptoms were recorded in a daily electronic diary (eDiary) by the participants every day in the evening at bedtime and before taking any rescue or study medication and before the assessment of the PEF measurement. Participant's responses to evening assessments indicated no symptoms were considered to be symptom free. For participants, the symptom free days were assessed during the 8-Week treatment period. Change from Baseline was calculated as the averaged of symptom-free days during the 8-Week treatment period minus the Baseline value. Baseline was defined as the last 7 days prior to randomization of the participants.

    Measured: Baseline up to Week 8

  4. Mean Change From Baseline in the Percentage of Symptom-free Nights Averaged Over the 8-Week Treatment Period

    Asthma symptoms were recorded in a daily eDairy by the participants every day in the morning upon rising and before taking any rescue or study medication and before the assessment of the PEF measurement. Participant's responses to the morning assessments indicated no symptoms were considered to be symptom free. For participants, the symptom free nights were assessed during the 8-Week treatment period. Change from Baseline was calculated as the averaged of symptom-free nights during the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week 8

  5. Mean Change From Baseline in the Percentage of Rescue-free Days Averaged Over the 8-Week Treatment Period

    The number of inhalations of rescue salbutamol/albuterol inhalation aerosol used during the day and night was recorded by the participants in an eDiary. The time span during which the participants did not have to take any rescue medication (medication intended to relieve symptoms immediately) was considered to be a rescue-free period. For participants, the rescue-free days were assessed during the 8-Week treatment period. Change from Baseline was calculated as the averaged of rescue-free days during the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week 8

  6. Mean Change From Baseline in the Percentage of Rescue-free Nights Averaged Over the 8-Week Treatment Period

    The number of inhalations of rescue salbutamol/albuterol inhalation aerosol used during the day and night was recorded by the participants in an eDiary. The time span during which the participants did not have to take any rescue medication (medication intended to relieve symptoms immediately) was considered to be a rescue-free period. For participants, the rescue-free nights were assessed during the 8-Week treatment period. Change from Baseline was calculated as the averaged of rescue-free nights during the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week 8

  7. Mean Change From Baseline in Day-time Asthma Symptom Score Over the 8-Week Treatment Period

    Participants recorded their day-time asthma symptom score in an eDiary each PM at bedtime and before taking any rescue or study medication and before assessing the PEF measurement during the 8-Week treatment period. Day-time asthma symptom scores, as: 0=no asthma symptoms, 1=one episode of short-time asthma symptoms, 2=two or more episodes of short-time asthma symptoms, 3=asthma symptoms occurring during most part of daytime without interference with daily life activities, 4=asthma symptoms occurring during most part of daytime with interference with daily life activities, 5=severe asthma symptoms that disable working or perform normal daily activities. Change from Baseline was calculated as the averaged of day-time asthma symptom score during the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week 8

  8. Mean Change From Baseline in Night-time Asthma Symptom Score Over the 8-Week Treatment Period

    Participants recorded their night-time asthma symptom score in an eDiary each AM upon rising and before taking any rescue or study medication and before assessing the PEF measurement during the 8-Week treatment period. Night-time asthma symptom scores, as: 0=no asthma symptoms, 1= one awakening or waking early due to asthma symptoms, 2= two or more awakenings due to asthma symptoms (including waking early), 3= asthma symptoms almost prevented the participant from sleeping, 4= severe asthma symptoms completely prevented from sleeping. Change from Baseline was calculated as the averaged of night-time asthma symptom score during the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week 8

  9. Mean Change From Baseline in Day-time Rescue Short Acting beta2-agonist (SABA) Usage Over the 8-Week Treatment Period

    The number of inhalations of rescue SABA, salbutamol/albuterol inhalation aerosol used during the day and night was recorded by the participants in an eDiary. Participants who used salbutamol/albuterol inhalation aerosol at day-time were assessed during the 8-Week treatment period. Change from Baseline was calculated as the averaged number of day-time salbutamol/albuterol inhalation aerosol used during the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week

  10. Mean Change From Baseline in Night-time Rescue SABA Usage Over the 8-Week Treatment Period

    The numbers of inhalations of rescue SABA, salbutamol/albuterol inhalation aerosol used during the day and night was recorded by the participants in an eDiary. Participants who used salbutamol/albuterol inhalation aerosol at night-time were assessed during the 8-Week treatment period. Change from Baseline was calculated as the averaged number of night-time salbutamol/albuterol inhalation aerosol used during the 8-Week treatment period minus the Baseline value (defined as the last 7 days prior to randomization of the participants).

    Measured: Baseline up to Week 8

  11. Number of Participants Who Withdrew Due to Lack of Efficacy During the 8-Week Treatment Period

    The participants who met any of the following withdrawal criteria were considered to be withdrawn due to lack of efficacy: 1) Clinic FEV1 below stability limit calculated at Visit 3. 2) More than three days between two consecutive visits, PEF has fallen below stability limit calculated at Visit 3. 3) Use of 12 or more inhalations of SABA per day for more than two days between consecutive visits. 4) Asthma exacerbation defined as worsening requiring any treatment other than study medication or rescue medication. This included requiring the use of systemic or inhaled corticosteroids and /or emergency room visit or hospitalization for the treatment of asthma. The stability limit was calculated as best pre-salbutamol/albuterol FEV1 at Visit 3 x 80 percent (%).

    Measured: Upto 8 Weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 Jun 2010 (estimated)
  2. Study start28 Jun 2010
  3. Primary completion6 Oct 2011
  4. Study completion6 Oct 2011

Resources

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
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
700 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01147744
Sponsor's protocol ID
112186
Status last verified
Sep 2017
First submitted
17 Jun 2010
Last updated
2 Oct 2017
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

  • Follows RM, Snowise NG, Ho SY, Ambery CL, Smart K, McQuade BA. Efficacy, safety and tolerability of GSK2190915, a 5-lipoxygenase activating protein inhibitor, in adults and adolescents with persistent asthma: a randomised dose-ranging study. Respir Res. 2013 May 17;14(1):54. doi: 10.1186/1465-9921-14-54.

    PubMed 23682661

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Fluticasone Propionate 100mcg via ACCUHALER/DISKUS, GSK2190915 100mg and GSK2190915 10mg in people with Asthma, run by GlaxoSmithKline at 84 sites in 6 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 11 inclusion and 15 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 2 Oct 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 84 sites in United States, Japan, Ukraine, Bulgaria, Romania and 1 more country. 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 6 Sep 2017). 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 to the End of the 8-Week Treatment Period in Trough Forced Expiratory Volume in One Second (FEV1) (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 NCT01147744, which also lists 1 linked publication.

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 2 Oct 2017.

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