Status:
COMPLETED
Smoking Young Asthmatics: Change of Inflammation During Tobacco Cessation and Steroid Treatment
Lead Sponsor:
Vibeke Backer
Conditions:
Asthma
Eligibility:
All Genders
18-40 years
Phase:
PHASE4
Brief Summary
This is a study describing changes in inflammation of the airways in asthmatics before and after smoking cessation and steroid treatment.
Detailed Description
84 smoking asthmatics will be included. 50% will be treated with varenicline and 50% with placebo tablets for 12 weeks. All will be treated with inhaled steroid for 12 weeks. Study period: About 26 w...
Eligibility Criteria
Inclusion
- Asthmatic symptoms during the last year and at least one criterion of the below:
- current FEV1-increase of minimum 12% after b2-agonist,
- positiv Methacholintest,
- Day-to-day FEV1-variation of at least 20% during a two-week period.
- Positive mannitol test.
- Furthermore, all of the below inclusion criteria:
- At least 10 packyears
- At least 10 cigarettes per day within the last year
- Age 18-40 years
Exclusion
- Asthmatics who have been treated with inhaled corticosteroids (ICS), systemic corticosteroids, leukotrien-antagonists (LTA), long-lasting b2-agonists, anticholinergic medicine or varenicline within the last 3 months
- Lower respiratory tract infections, including pneumonia, within the last 6 weeks.
- Patients suffering from other chronic respiratory disease than asthma, such as sarcoidosis and COPD will also be excluded.
- Pregnant and nursing women will be excluded as well as women planning pregnancy during the study period.
- A history of allergy towards study drugs will lead to exclusion.
- Patients who during the study period develop lower respiratory infections or due to severe uncontrolled asthma receive treatment with any of the above listed types of medicine will be excluded. Patients who are diagnosed with other chronic respiratory disease than asthma during the study period will also be excluded, as well as patients who during the study period require more asthma medicine than the planned study medication.
- Any participant who wishes to leave the study, for any reason, including unacceptable side-effects, during the study period will be excluded, as well as anyone who wants to withdraw their recorded data from the project after the study period has ended.
- In case of unacceptable side-effects to varenicline resulting in immediate cessation of treatment with this drug, the participant will continue visits unchanged, but he/she will be excluded from the calculations of tobacco cessation succes-rate. However, varenicline cessation up to 4 weeks after treatment start with varenicline will result in exclusion and replacement of the participant.
- Cessation of treatment with budesonide will result in exclusion from the rest the study. The person will not be replaced. The data recorded from the participant until the last visit before cessation will be used.
- Allergic reactions towards study drugs will result in immediate cessation of the drug, and possible exclusion, as described in the above.
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Key Trial Info
Start Date :
August 1 2011
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
May 1 2013
Estimated Enrollment :
52 Patients enrolled
Trial Details
Trial ID
NCT02233231
Start Date
August 1 2011
End Date
May 1 2013
Last Update
February 5 2020
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