Study Stopped
Funding was terminated
The Effects of Different Long-acting Bronchodilator Medications on Asthma Patients With Different Genetic Variations
GABLE
Genotype Stratified Treatment With Anticholinergic vs. Beta-agonist (Long Acting) and Exacerbations (GABLE)
1 other identifier
interventional
255
1 country
2
Brief Summary
This study is looking at the effects of certain long-acting bronchodilators on patients with asthma who have specific genetic variations. The investigators are interested in a certain common genetic variation in the receptor for beta-agonists, which is found in as many of one-sixth of the population. There is evidence that patients with asthma who have this variation may not do as well when treated with albuterol on a regular basis. The investigators will be looking at whether patients with this variation have more asthma exacerbations over the course of a year when treated with salmeterol or formoterol, which are long-acting forms of albuterol; and whether these patients have fewer exacerbations when treated with tiotropium, which is a different long-acting bronchodilator that does not act at this receptor. In both groups patients will also be receiving inhaled steroids.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable asthma
Started Jun 2008
Typical duration for not_applicable asthma
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
June 1, 2008
CompletedFirst Submitted
Initial submission to the registry
June 25, 2008
CompletedFirst Posted
Study publicly available on registry
June 27, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2011
CompletedResults Posted
Study results publicly available
May 1, 2017
CompletedMay 31, 2017
May 1, 2017
2 years
June 25, 2008
March 17, 2017
May 5, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of Patients With Asthma Exacerbation
1 year
Secondary Outcomes (4)
FEV1 (Forced Expiratory Volume)
1 year
Exhaled NO (Nitric Oxide)
1 year
Symptom-free Days
1 year
Asthma-related Quality of Life
1 year
Study Arms (6)
1 - Tio/ICS in the Arg/Arg genotype
EXPERIMENTALTiotropium bromide 18 mcg qd plus inhaled steroids, either Fluticasone propionate Diskus 100 mcg 1 puff bid, Fluticasone propionate aerosol 44 mcg 2 puffs bid, Fluticasone propionate aerosol 110 mcg 2 puffs bid, Fluticasone propionate aerosol 220 mcg 2 puffs qd, Budesonide 90 mcg 2 puffs bid, or Budesonide 180 mcg 2 puffs bid, in the Arg/Arg genotype
2 - Tio/ICS in the Arg/Gly genotype
EXPERIMENTALTiotropium bromide 18 mcg QD plus inhaled steroids, either Fluticasone propionate Diskus 100 mcg 1 puff bid, Fluticasone propionate aerosol 44 mcg 2 puffs bid, Fluticasone propionate aerosol 110 mcg 2 puffs bid, Fluticasone propionate aerosol 220 mcg 2 puffs qd, Budesonide 90 mcg 2 puffs bid, or Budesonide 180 mcg 2 puffs bid, in the Arg/Gly genotype
3 - Tio/ICS in the Gly/Gly genotype
EXPERIMENTALTiotropium bromide 18 mcg QD plus inhaled steroids, either Fluticasone propionate Diskus 100 mcg 1 puff bid, Fluticasone propionate aerosol 44 mcg 2 puffs bid, Fluticasone propionate aerosol 110 mcg 2 puffs bid, Fluticasone propionate aerosol 220 mcg 2 puffs qd, Budesonide 90 mcg 2 puffs bid, or Budesonide 180 mcg 2 puffs bid, in the Gly/Gly genotype
4 - LABA/ICS in the Arg/Arg genotype
ACTIVE COMPARATORSalmeterol 50 mcg 1 puff BID or Formoterol 12mcg 1 puff BID plus inhaled steroid, either Fluticasone propionate Diskus 100 mcg 1 puff bid, Fluticasone propionate aerosol 44 mcg 2 puffs bid, Fluticasone propionate aerosol 110 mcg 2 puffs bid, Fluticasone propionate aerosol 220 mcg 2 puffs qd, Budesonide 90 mcg 2 puffs bid, or Budesonide 180 mcg 2 puffs bid, in the Arg/Arg genotype
5 - LABA/ICS in the Arg/Gly genotype
ACTIVE COMPARATORSalmeterol 50 mcg 1 puff BID or Formoterol 12mcg 1 puff BID plus inhaled steroid, either Fluticasone propionate Diskus 100 mcg 1 puff bid, Fluticasone propionate aerosol 44 mcg 2 puffs bid, Fluticasone propionate aerosol 110 mcg 2 puffs bid, Fluticasone propionate aerosol 220 mcg 2 puffs qd, Budesonide 90 mcg 2 puffs bid, or Budesonide 180 mcg 2 puffs bid, in the Arg/Gly genotype
6 - LABA/ICS in the Gly/Gly genotype
ACTIVE COMPARATORSalmeterol 50 mcg 1 puff BID or Formoterol 12mcg 1 puff BID plus inhaled steroid, either Fluticasone propionate Diskus 100 mcg 1 puff bid, Fluticasone propionate aerosol 44 mcg 2 puffs bid, Fluticasone propionate aerosol 110 mcg 2 puffs bid, Fluticasone propionate aerosol 220 mcg 2 puffs qd, Budesonide 90 mcg 2 puffs bid, or Budesonide 180 mcg 2 puffs bid, in the Gly-Gly genotype
Interventions
tiotropium bromide one inhalation a day for one year, along with inhaled steroids at variable dosing based on patient's prior inhaled steroid dosing and treating physician's judgement.
salmeterol diskus 1 puff twice a day for 1 year, depending on which medication the patient was on before the start of the trial. The goal of this intervention is to continue the patient's current therapy of long-acting beta-agonists. In addition, the patients will be on inhaled steroids at variable doses, depending on what dose they were on at the start of the trial and based on the judgement of their treating physicians.
formoterol aerolizer 12 mcg 1 puff twice a day for 1 year, depending on which medication the patient was on before the start of the trial. The goal of this intervention is to continue the patient's current therapy of long-acting beta-agonists. In addition, the patients will be on inhaled steroids at variable doses, depending on what dose they were on at the start of the trial and based on the judgement of their treating physicians.
Either fluticasone propionate diskus 100 mcg 1 puff twice a day or fluticasone propionate aersol in 44 mcg, 110 mcg, 2 puffs twice a day OR fluticasone propionate 220 mcg 2 puffs once a day for one year, depending on which dose the patient was on before the start of the trial.
Either budesonide 90 mcg 2 puffs twice a day or 180 mcg 2 puffs twice a day for one year, depending on which dose the patient was on before the start of the trial.
Eligibility Criteria
You may qualify if:
- Clinical history consistent with asthma
- Has a current prescription for a long-acting beta agonist, either along or in combination with an inhaled corticosteroid (salmeterol, formoterol, fluticasone/salmeterol, or budesonide/formoterol)
- Ability to provide informed consent
- Non-smoker (total lifetime smoking history \< 10 pack-years; no more than five occasions of smoking any substance or using smokeless tobacco products in the past year)
- No smoking or use of smokeless tobacco in the past 30 days
- No known contraindication to inhaled tiotropium e.g. narrow angle glaucoma, history of bladder neck obstruction or significant symptoms related to prostatic hypertrophy
You may not qualify if:
- Lung disease other than asthma
- Established or suspected diagnosis of vocal cord dysfunction
- Significant medical illness (other than asthma) that is not stable
- History of life-threatening asthma requiring treatment with intubation and mechanical ventilation within the past 5 years
- History of respiratory tract infection within the previous 4 weeks (only applies at screening visits)
- Hyposensitization therapy other than an established maintenance regimen
- Allergy to tiotropium
- Pregnancy or lactation. If potentially able to bear children, not using an acceptable form of birth control
- Inability to use inhaler devices
- Inability to participate over the one year period
- Current use of tiotropium
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Brigham and Women's Hospitallead
- Baim Institute for Clinical Researchcollaborator
- Massachusetts General Hospitalcollaborator
Study Sites (2)
Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
Brigham and Women's Hospital
Boston, Massachusetts, 02115, United States
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Dr. Elliot Israel
- Organization
- Brigham and Women's Hospital
Study Officials
- PRINCIPAL INVESTIGATOR
Elliot Israel, MD
Brigham and Women's Hospital
Publication Agreements
- PI is Sponsor Employee
- Yes
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Director of the Asthma Research Center
Study Record Dates
First Submitted
June 25, 2008
First Posted
June 27, 2008
Study Start
June 1, 2008
Primary Completion
June 1, 2010
Study Completion
September 1, 2011
Last Updated
May 31, 2017
Results First Posted
May 1, 2017
Record last verified: 2017-05
Data Sharing
- IPD Sharing
- Will not share