Ultra-long Acting Bronchodilator Therapy in Smoking Asthmatics (MAN05)

U

University of Dundee

Status and phase

Completed
Phase 4

Conditions

Asthma

Treatments

Drug: olodaterol 2.5 mcg
Drug: olodaterol hydrochloride 2.5mcg, tiotropium bromide 2.5mcg

Study type

Interventional

Funder types

Other

Identifiers

NCT02682862
2014-005317-23 (EudraCT Number)
2013RC06

Details and patient eligibility

About

Single centre, open-label, random order, cross-over trial, recruited over a period of approximately 2 years. Sufficient participants enrolled to complete 16 adults. Withdrawn subjects may be replaced. This clinical trial will assess the effects of ultra-long acting bronchodilator therapy in smoking asthmatics taking inhaled corticosteroids. This will be via a pulmonary function test called impulse oscillometry.

Full description

Cigarette smoking in asthma is associated with poorer asthma control and a higher frequency of asthma attacks. Despite this, smoking cessation rates are very low due to the highly addictive nature of tobacco smoking. Asthma in smokers is particularly challenging to manage because it is resistant to the beneficial effects of inhaled corticosteroids, the main treatment for asthma. Unfortunately, there is no guideline consensus regarding how to best manage asthmatics who smoke. Research studies in asthma tend to exclude smokers because of concerns about recruiting patients with chronic obstructive pulmonary disease (COPD). Hence, there is an unmet need for research studies in asthmatics who are unable to stop smoking. In view of the above, we propose to assess the effects of two different types of bronchodilators (inhalers which help open up the airways), in asthmatics who continue to smoke. Participants will receive both of the following drugs for 2-4 weeks in random order, with a 2-3 week washout period in between: Olodaterol which is a new long-acting bronchodilator. Olodaterol combined with tiotropium (dual bronchodilators). We wish to compare these inhalers using a sensitive pulmonary function test called impulse oscillometry.

Enrollment

17 patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Male or female volunteers aged 18-65 years with persistent asthma and on inhaled corticosteroids (at least 400 micrograms beclomethasone dipropionate equivalent dose daily)
  • Current smoker
  • Forced Expiratory Volume in 1 second (FEV1) ≥ 60 % predicted
  • Ability to give informed consent
  • Agreement for their General Practitioner to be made aware of study participation and to receive feedback as relevant to the participant's well being

Exclusion criteria

  • Other significant respiratory diseases, in the opinion of the investigator, such as COPD or bronchiectasis.
  • An asthma exacerbation or respiratory tract infection requiring systemic steroids and/or antibiotics within 1 month of the study commencement or 3 months if hospital admission was required
  • Any clinically significant medical condition that may endanger the health or safety of the participant
  • Participation in another drug trial within 30 days before the commencement of the study
  • Pregnancy or lactation
  • Unable to comply with the procedures of the protocol
  • Unable or unwilling to consent

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

None (Open label)

17 participants in 2 patient groups

Spiolto Respimat
Experimental group
Description:
olodaterol hydrochloride 2.5mcg, tiotropium bromide 2.5mcg 2 puffs OD (once daily) for 2-4 weeks. Participants then enter washout period and receive alternative treatment arm
Treatment:
Drug: olodaterol hydrochloride 2.5mcg, tiotropium bromide 2.5mcg
Striverdi Respimat
Active Comparator group
Description:
olodaterol 2.5mcg 2 puffs OD (once daily) for 2-4 weeks. Participants then enter washout period and receive alternative treatment arm
Treatment:
Drug: olodaterol 2.5 mcg

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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