Asthma Clinical Trial
— HEAT-SAOfficial title:
Evaluation of the Efficiency of Bronchial Thermoplasty on Dynamic Hyperinflation in Uncontrolled Severe Asthma
NCT number | NCT02618551 |
Other study ID # | RC31/14/7422 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | November 2015 |
Est. completion date | May 6, 2021 |
Verified date | December 2021 |
Source | University Hospital, Toulouse |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Bronchial thermoplasty is a treatment for severe asthma that consist in decreasing the thickness of bronchial muscle by heat using a catheter inserted into the bronchi under direct vision with the help of an endoscope This treatment has shown efficacy on symptoms, quality of life and the number of exacerbations related to severe asthma. This clinical study evaluates the efficiency of this treatment on the dynamic hyperinflation phenomenon (worsening of bronchial obstruction during exercise in patients with asthma contributing to worsening shortness of breath).
Status | Completed |
Enrollment | 14 |
Est. completion date | May 6, 2021 |
Est. primary completion date | May 6, 2021 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Severe asthma, uncontrolled despite optimal treatment according to GINA (global initiative for asthma) recommendations - At least 2 exacerbations treated by systemic steroids in the last year - FEV1 between 40 and 80% of predicted values and dynamic hyperinflation (defined as a decrease in inspiratory capacity by more than 500 ml during exercise) Exclusion Criteria: - Current asthma exacerbation or respiratory infection - History of exacerbation after bronchoscopy - FEV1 < 40% of predicted values - Oxygen saturation < 90% - Contra-indications to ALAIR catheter system : pacemaker or other electronic implanted device - Allergy to Remifentanyl or Propofol - pregnancy; breastfeeding |
Country | Name | City | State |
---|---|---|---|
France | DIDIER Alain | Toulouse | Midi Pyrenees |
Lead Sponsor | Collaborator |
---|---|
University Hospital, Toulouse |
France,
Brown RH, Wizeman W, Danek C, Mitzner W. Effect of bronchial thermoplasty on airway distensibility. Eur Respir J. 2005 Aug;26(2):277-82. — View Citation
Castro M, Rubin AS, Laviolette M, Fiterman J, De Andrade Lima M, Shah PL, Fiss E, Olivenstein R, Thomson NC, Niven RM, Pavord ID, Simoff M, Duhamel DR, McEvoy C, Barbers R, Ten Hacken NH, Wechsler ME, Holmes M, Phillips MJ, Erzurum S, Lunn W, Israel E, Jarjour N, Kraft M, Shargill NS, Quiring J, Berry SM, Cox G; AIR2 Trial Study Group. Effectiveness and safety of bronchial thermoplasty in the treatment of severe asthma: a multicenter, randomized, double-blind, sham-controlled clinical trial. Am J Respir Crit Care Med. 2010 Jan 15;181(2):116-24. doi: 10.1164/rccm.200903-0354OC. Epub 2009 Oct 8. — View Citation
Cox G, Thomson NC, Rubin AS, Niven RM, Corris PA, Siersted HC, Olivenstein R, Pavord ID, McCormack D, Chaudhuri R, Miller JD, Laviolette M; AIR Trial Study Group. Asthma control during the year after bronchial thermoplasty. N Engl J Med. 2007 Mar 29;356(13):1327-37. — View Citation
Moore WC, Bleecker ER, Curran-Everett D, Erzurum SC, Ameredes BT, Bacharier L, Calhoun WJ, Castro M, Chung KF, Clark MP, Dweik RA, Fitzpatrick AM, Gaston B, Hew M, Hussain I, Jarjour NN, Israel E, Levy BD, Murphy JR, Peters SP, Teague WG, Meyers DA, Busse WW, Wenzel SE; National Heart, Lung, Blood Institute's Severe Asthma Research Program. Characterization of the severe asthma phenotype by the National Heart, Lung, and Blood Institute's Severe Asthma Research Program. J Allergy Clin Immunol. 2007 Feb;119(2):405-13. — View Citation
Pavord ID, Cox G, Thomson NC, Rubin AS, Corris PA, Niven RM, Chung KF, Laviolette M; RISA Trial Study Group. Safety and efficacy of bronchial thermoplasty in symptomatic, severe asthma. Am J Respir Crit Care Med. 2007 Dec 15;176(12):1185-91. Epub 2007 Sep 27. — View Citation
Wechsler ME, Laviolette M, Rubin AS, Fiterman J, Lapa e Silva JR, Shah PL, Fiss E, Olivenstein R, Thomson NC, Niven RM, Pavord ID, Simoff M, Hales JB, McEvoy C, Slebos DJ, Holmes M, Phillips MJ, Erzurum SC, Hanania NA, Sumino K, Kraft M, Cox G, Sterman DH, Hogarth K, Kline JN, Mansur AH, Louie BE, Leeds WM, Barbers RG, Austin JH, Shargill NS, Quiring J, Armstrong B, Castro M; Asthma Intervention Research 2 Trial Study Group. Bronchial thermoplasty: Long-term safety and effectiveness in patients with severe persistent asthma. J Allergy Clin Immunol. 2013 Dec;132(6):1295-302. doi: 10.1016/j.jaci.2013.08.009. Epub 2013 Aug 30. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Evolution of dynamic hyperinflation | A lung plethysmography will be used to patients to see evolution of dynamic hyperinflation after bronchial thermoplasty, defined as a decrease in inspiratory capacity by more than 500 ml during exercise.
The plethysmography will be made before the first procedure and three months after the third procedure. |
3 months | |
Secondary | Structural modification of the bronchial wall | Description of structural modification of the bronchial wall by probe-based confocal LASER endomicroscopy (pCLE) induced by bronchial thermoplasty | 3 months | |
Secondary | Efficiency of bronchial thermoplasty on asthma | Efficiency of bronchial thermoplasty on asthma control (ACQ) and quality of life (AQLQ) in a selected population of patients with severe asthma with dynamic hyperinflation. | 3 months | |
Secondary | Assess side effects | Listing of thermoplasty complications (bronchitis, bronchospasm, exacerbation of asthma, hemoptysis, bronchiectasis) by medical staff | 3 months |
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