Comparison of Transbronchial, Cryoprobe and VATS Biopsy For the Diagnosis of Interstitial Lung Disease (ILD)
NCT ID: NCT01972685
Last Updated: 2019-07-15
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
14 participants
INTERVENTIONAL
2013-06-30
2018-03-30
Brief Summary
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Detailed Description
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Patients who have been referred to the thoracic surgery service for VATS biopsy to diagnose suspected ILD and meet basic inclusion/exclusion criteria will be approached by the study investigators and informed of the study. An informed consent will be obtained during the clinic visit with the thoracic surgeon.
At the beginning of the surgical procedure, under general anesthesia in the operating room, patients will undergo flexible bronchoscopy through the endotracheal tube and obtain 10 standard transbronchial biopsies (S-TBBx) and 5 Cryoprobe biopsies (C-TBBx) with fluoroscopic guidance. S-TBBx will be performed using standard biopsy forceps (Boston Scientific, Natick, MA) - 2.0mm diameter. C-TBBx will be performed using the cryoprobe (ERBE, Tubingen, Germany) -1.9 mm diameter, 78cm in length. This cryoprobe is routinely used in the bronchoscopy suite for other applications such as foreign body removal and local treatment of carcinoma; therefore it is a technique already employed by the interventional pulmonologists who are familiar with its use. Once the biopsies are obtained by the interventional pulmonologist, the thoracic surgeon will perform video-assisted thoracoscopic biopsy (VATS) biopsy. Following their procedure, subjects will be monitored in the post-anesthesia care unit as per standard of care. As part of their ongoing follow-up care, all subjects will be monitored for any adverse events that may have resulted from either the surgical or bronchoscopic procedure, specifically bleeding or pneumothorax.
All biopsy samples will be analyzed by a specialist in pulmonary pathology.
The number and size of all biopsies, architectural preservation of the airways/alveoli, and pathological diagnosis will be reported by the pathologist. Diagnostic yield will be calculated for each biopsy technique and compared.
Conditions
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Study Design
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NA
SINGLE_GROUP
DIAGNOSTIC
NONE
Study Groups
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Cryo vs Transbronchial vs VATS biopsy
Each patient will be brought to the operating room and will undergo transbronchial, cryoprobe and VATS biopsy of the lung.
Cryobiopsy biopsy
Cryobiopsy vs. Transbronchial vs. VATS biopsy
Transbronchial Biopsy
VATS biopsy
Interventions
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Cryobiopsy biopsy
Cryobiopsy vs. Transbronchial vs. VATS biopsy
Transbronchial Biopsy
VATS biopsy
Eligibility Criteria
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Inclusion Criteria
* Subject is \>18 years of age
* Subject is scheduled to undergo VATS biopsy for suspected ILD as part of their standard medical care
* A negative pregnancy test in women of child-bearing potential
* Subject is mentally capable of understanding study procedures
Exclusion Criteria
* Platelet count \< 50,000 or Coagulopathy defined as an International Normalized Ratio (INR) \> 1.5 on the day of procedure, as well as discontinuation of ticagrelor or clopidogrel within 5 days of procedure.
* Severely impaired lung function as determined with spirometry evidenced by a forced expiratory volume in 1 second (FEV1) \< 0.8, or radiographically as diffuse bullous disease
* Hemodynamic instability with systolic blood pressure \<90 mmHg or heart rate \> 120 beats/min, unless deemed to be stable with these values by the surgical or interventional pulmonary attending physicians
* Hypoxemia with pulse oximetry values \<88% or partial pressure of oxygen in arterial blood (PaO2) \< 60 on baseline oxygen requirements
* Concurrent participation in another study involving investigational drugs or investigational medical devices
* Inability to read and understand the necessary study documents
18 Years
ALL
No
Sponsors
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Duke University
OTHER
Responsible Party
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Principal Investigators
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Momen M Wahidi, MD, MBA
Role: PRINCIPAL_INVESTIGATOR
Duke University
Locations
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Duke University Medical Center
Durham, North Carolina, United States
Countries
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References
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Griff S, Ammenwerth W, Schonfeld N, Bauer TT, Mairinger T, Blum TG, Kollmeier J, Gruning W. Morphometrical analysis of transbronchial cryobiopsies. Diagn Pathol. 2011 Jun 16;6:53. doi: 10.1186/1746-1596-6-53.
Babiak A, Hetzel J, Krishna G, Fritz P, Moeller P, Balli T, Hetzel M. Transbronchial cryobiopsy: a new tool for lung biopsies. Respiration. 2009;78(2):203-8. doi: 10.1159/000203987. Epub 2009 Feb 21.
Krasna MJ, White CS, Aisner SC, Templeton PA, McLaughlin JS. The role of thoracoscopy in the diagnosis of interstitial lung disease. Ann Thorac Surg. 1995 Feb;59(2):348-51. doi: 10.1016/0003-4975(94)00844-w.
Deshmukh SP, Krasna MJ, McLaughlin JS. Video assisted thoracoscopic biopsy for interstitial lung disease. Int Surg. 1996 Oct-Dec;81(4):330-2.
Krasna MJ, Deshmukh S, McLaughlin JS. Complications of thoracoscopy. Ann Thorac Surg. 1996 Apr;61(4):1066-9. doi: 10.1016/0003-4975(96)00021-5.
Aktas Z, Gunay E, Hoca NT, Yilmaz A, Demirag F, Gunay S, Sipit T, Kurt EB. Endobronchial cryobiopsy or forceps biopsy for lung cancer diagnosis. Ann Thorac Med. 2010 Oct;5(4):242-6. doi: 10.4103/1817-1737.69117.
Yarmus L, Akulian J, Gilbert C, Illei P, Shah P, Merlo C, Orens J, Feller-Kopman D. Cryoprobe transbronchial lung biopsy in patients after lung transplantation: a pilot safety study. Chest. 2013 Mar;143(3):621-626. doi: 10.1378/chest.12-2290.
Other Identifiers
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Pro00044455
Identifier Type: -
Identifier Source: org_study_id
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