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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04203472
Other study ID # Inhaler in CVA
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 20, 2019
Est. completion date March 30, 2022

Study information

Verified date May 2022
Source Medical University of Warsaw
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Asthma management is based on inhaled therapy, mainly on inhaled glucocorticosteroids (ICS). The efficacy of inhaled therapy depends on type of inhaler and proper inhalation skills. Additionally, in cough variant- or cough predominant asthma aerosol or dry powder of inhaler may tease upper airway and induce cough. The aim of the study is to analyze if type of inhaler (DPI vs MDI) affects the efficacy of the management in cough variant or cough predominant asthma. Twenty two patients with cough variant- or cough predominant asthma will be enrolled into the study. Initially cough severity (in VAS scale), cough related quality of life (in Leicester Cough Questionnaire, LCQ) and number of cough episodes during 2 hours will be estimated. Additionally Asthma Control Test (ACT), Asthma Quality of Life Questionnaire (AQLQ) and spirometry will be performed. Then, budesonide or budesonide and formoterol will be used in Aerolizer / Breezhaler or pMDI in turn (each for 14 days) in the same doses. Inhalation technique will be checked and if needed corrected. After 14 days and then after 28 days, cough severity, LCQ, number of cough episodes, ACT, AQLQ, spirometry and inhalation technique will be assessed. The results will be based on differences in cough severity, cough related quality of life, asthma related quality of life, control of asthma and number of cough episodes between therapy with DPI and MDI.


Description:

Cough may be caused by both cough variant asthma or cough predominant asthma in 20-30% adults with chronic cough. Asthma management is based on inhaled therapy, mainly on inhaled glucocorticosteroids (ICS). The efficacy of inhaled therapy depends on type of inhaler and proper inhalation skills (1-2). Many of patients with asthma (as well as with COPD) make mistakes during inhaling, what negatively affect efficacy of management (3-4). Additionally, in cough variant- or cough predominant asthma aerosol or dry powder of inhaler may tease upper airway and induce cough (5). Therefore aim of the study is to analyze if type of inhaler (Dry Powder Inhaler, DPI vs pressurized Metered Dose Inhaler, MDI) affects the efficacy of the management in cough variant or cough predominant asthma. In all patients cough severity and tolerance of therapy will be analyzed during therapy with budesonide and/ or formoterol administered by DPI and MDI used in turn. Order of using different types of inhalers will be accidental. Twenty two patients with cough variant- or cough predominant asthma will be enrolled into the study. The sample size for the study was determined assuming that initially cough severity is at least 50/100 mm in VAS scale and minimal difference will be 20/100 mm. Providing these conditions, the sample size is 18 patients (α error 5%, power 80%); the sample was increased by 20% assuming drop out during the study. Initially cough severity (in 10 mm VAS scale), cough related quality of life (in Leicester Cough Questionnaire, LCQ) and number of cough episodes during 2 hours will be estimated. Additionally Asthma Control Test (ACT), Asthma Quality of Life Questionnaire (AQLQ) and spirometry will be performed. Then, budesonide or budesonide and formoterol will be stared in Aerolizer / Breezhaler or pMDI. Inhalation technique will be checked and if needed -corrected. After 14 days, cough severity, LCQ, number of cough episodes, ACT, AQLQ, spirometry and inhalation technique will be assessed. Then, type of inhaler will be changed, but the same doses of ICS and LABA will be administered. Once again inhalation technique will be checked and corrected if needed. After 28 days, cough severity, LCQ, number of cough episodes, ACT, AQLQ, spirometry and inhalation technique will be assessed again. The results will be based on differences in cough severity, cough related quality of life, asthma related quality of life, control of asthma and number of cough episodes between therapy with DPI and MDI.


Recruitment information / eligibility

Status Completed
Enrollment 22
Est. completion date March 30, 2022
Est. primary completion date February 28, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Informed consent for participating in the study - Age =18 years - Cough variant asthma or cough predominant asthma diagnosed and treated with inhaled corticosteroids (ICS) regularly at least 8 weeks prior to enrollment Exclusion Criteria: - Lack of informed consent - Age <18 years - Diagnosis of cough variant- or cough predominant asthma shorter than 8 weeks before enrollment - Symptoms of infection or asthma exacerbation 4 weeks prior to beginning of the study or during the study - Comorbidity that could prevent patient from using DPI or MDI (i e. advanced vision disorders, some mental diseases, advanced neurological diseases).

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Budesonid or budesonide/fomoterol administered by DPI
Miflonide Breezhaler 200 mcg or Oxodil Aerolizer 12 mcg
Budesonid or budesonide/fomoterol administered by MDI
Budiair 200 mcg or Atimos 12 mcg

Locations

Country Name City State
Poland Department of Internal Medicine, Pneumonology and Allergology, Medical University of Warsaw Warsaw

Sponsors (1)

Lead Sponsor Collaborator
Medical University of Warsaw

Country where clinical trial is conducted

Poland, 

References & Publications (5)

Inhaler Error Steering Committee, Price D, Bosnic-Anticevich S, Briggs A, Chrystyn H, Rand C, Scheuch G, Bousquet J. Inhaler competence in asthma: common errors, barriers to use and recommended solutions. Respir Med. 2013 Jan;107(1):37-46. doi: 10.1016/j. — View Citation

Irwin RS, Baumann MH, Bolser DC, Boulet LP, Braman SS, Brightling CE, Brown KK, Canning BJ, Chang AB, Dicpinigaitis PV, Eccles R, Glomb WB, Goldstein LB, Graham LM, Hargreave FE, Kvale PA, Lewis SZ, McCool FD, McCrory DC, Prakash UBS, Pratter MR, Rosen MJ — View Citation

Kamimura M, Izumi S, Hamamoto Y, Morita A, Toyota E, Kobayashi N, Kudo K. Superiority of nebulized corticosteroids over dry powder inhalers in certain patients with cough variant asthma or cough-predominant asthma. Allergol Int. 2012 Sep;61(3):411-7. doi: — View Citation

Morice AH, McGarvey L, Pavord I; British Thoracic Society Cough Guideline Group. Recommendations for the management of cough in adults. Thorax. 2006 Sep;61 Suppl 1:i1-24. — View Citation

Price DB, Román-Rodríguez M, McQueen RB, Bosnic-Anticevich S, Carter V, Gruffydd-Jones K, Haughney J, Henrichsen S, Hutton C, Infantino A, Lavorini F, Law LM, Lisspers K, Papi A, Ryan D, Ställberg B, van der Molen T, Chrystyn H. Inhaler Errors in the CRIT — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary change in cough severity Assessment by 10 mm Visual Analogue Scale 14 days and 28 days
Primary change in cough related Quality of Life Assessment by cough related Leicester Quality of Life Questionnaire (LCQ) baseline ,14 and 28 days
Secondary change in asthma control Assessment by Asthma Control Test baseline , 14 and 28 days
Secondary change in asthma related Quality of Life Assessment by Asthma Quality of Life Questionnaire (AQLQ) baseline ,14 and 28 days
Secondary change in number of cough episodes counted per 2 hours measured by investigator during visit baseline, 14 and 28 days
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