Bronchoscopic Thermal Vapor Ablation (BTVA) for Lung Volume Reduction (BTVA)
Evaluation Study of Unilateral Bronchoscopic Thermal Vapor Ablation (BTVA) in Patients With Heterogeneous Emphysema and Upper Lobe Predominance
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Queensland
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Chermside, Queensland, Australia, 4032
- Prince Charles Hospital
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Victoria
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Melbourne, Victoria, Australia, 3181
- The Alfred Hospital
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-
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-
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Klagenfurt, Austria, 9020
- LKH Klagenfurt
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Wien, Austria, 1140
- Otto-Wagner Hospital
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-
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Bad Berka, Germany, 99437
- Zentralklinik Bad Berka
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Berlin, Germany, 10117
- Charité Campus Mitte
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Heildelberg, Germany, 69126
- Thoraxklinik Heidelberg
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Hemer, Germany, 58675
- Abteilung fur Pneumologie
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Nurnberg, Germany, 90419
- Klinikum Nürnberg
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-
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Dublin, Ireland, 7
- Mater Misericordiae University Hospital
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age: > 40 and ≤ 75 years old
- Diagnosis of heterogeneous emphysema with upper lobe predominance
- FEV1 < 45% predicted
- TLC > 100% predicted
- RV > 150% predicted
- 6-minute walk test > 140 meters
- mMRC ≥ 2 (mMRC)
- Non-smoking for 3 months
- Optimized medical management and completed pulmonary rehabilitation
Exclusion Criteria:
- Known α-1-antitrypsin deficiency
- BMI < 15 kg/m2 or > 35 kg / m2
- History of pneumothorax within previous 18 months
- History of heart and / or lung transplant, lung volume reduction surgery (LVRS), median sternotomy, bullectomy, and/or lobectomy
- Respiratory infections or recurring COPD exacerbations > 3 hospitalizations in past 12 months or active infection
- History of the (EF) ≤ 40%; Stroke; Unstable Myocardial Ischemia; FEV1 < 15% predicted; DLCO < 20% predicted; pulmonary hypertension; indwelling pacemaker or implantable cardiac defibrillator (ICD); pregnancy or breastfeeding
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
EXPERIMENTAL: BTVA
|
Unilateral Bronchoscopic Thermal Vapor Ablation for Lung Volume Reduction
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
increase in FEV1 ≥ 12% or a decrease in total St. George's Respiratory Questionnaire (SGRQ) score ≥ 4 points
Time Frame: 6 months
|
6 months
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Lobar volume reduction as determined by computed tomography (CT) analysis
Time Frame: 3 months
|
3 months
|
|
Changes in pulmonary function therapy
Time Frame: 3 months
|
3 months
|
|
Improvement in 6 minute walk distance
Time Frame: 3 months
|
3 months
|
Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
General Publications
- Herth FJ, Ernst A, Baker KM, Egan JJ, Gotfried MH, Hopkins P, Stanzel F, Valipour A, Wagner M, Witt C, Kesten S, Snell G. Characterization of outcomes 1 year after endoscopic thermal vapor ablation for patients with heterogeneous emphysema. Int J Chron Obstruct Pulmon Dis. 2012;7:397-405. doi: 10.2147/COPD.S31082. Epub 2012 Jul 18.
- Snell G, Herth FJ, Hopkins P, Baker KM, Witt C, Gotfried MH, Valipour A, Wagner M, Stanzel F, Egan JJ, Kesten S, Ernst A. Bronchoscopic thermal vapour ablation therapy in the management of heterogeneous emphysema. Eur Respir J. 2012 Jun;39(6):1326-33. doi: 10.1183/09031936.00092411. Epub 2011 Nov 10.
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (ACTUAL)
Primary Completion
Study Completion (ACTUAL)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
First Posted
Study Record Updates
Last Update Posted (ESTIMATE)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- Vapor-OUS
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