Localization of Peripheral Pulmonary Lesions: A Pilot Study

The Washington University

Status and phase: Withdrawn; Phase 1

Conditions: Peripheral Lung Lesions

Treatments: Device: VIDA Pulmonary Workstation 2; Procedure: Biopsy; Procedure: Conventional bronchoscopy

Study type: Interventional

Funder types: Other

Identifiers

NCT03536026

201711034

Details and patient eligibility

About

Despite technological advancements directed towards the diagnosis of peripheral pulmonary lesions, an optimal approach has yet to be designed. One significant barrier for the bronchoscopic biopsy of peripheral lesions is the ability to reliably locate peripheral lesions in an efficient manner. The majority of the published literature regarding peripheral lesion biopsy has used diagnostic yield as the primary endpoint. Based on this data, it is unclear if non-diagnostic procedures are due to the inability to locate peripheral lesions, or due to the inability to successfully biopsy lesions once located using currently available instruments. This study will evaluate the bronchoscopists' ability to locate peripheral pulmonary lesions by using a conventional chest computed tomography (CT) scan as a reference and a virtual bronchoscopic navigational system, if needed, for the localization of peripheral pulmonary lesions.

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients with peripheral lung lesions 1-5cm in size identified on chest CT with the intention to undergo bronchoscopic evaluation and biopsy. The decision to pursue biopsy will be made by the treating physician and agreed upon by the patient.
• Are at least 18 years old
• Are able to provide informed consent
• Have CT scans within 30 days suitable for use with the virtual bronchoscopic system

Exclusion criteria

• Patients who refuse to participate
• Are less than 18 years of age
• Are pregnant
• Are physically unable to tolerate flexible bronchoscopy or moderate sedation as determined by the bronchoscopist
• Are unable to provide informed consent

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

---

0 participants in 1 patient group

Bronchoscopic evaluation and biopsy

Experimental group

Description:

-Bronchoscopy will be performed by pulmonary and/or critical care fellows who have performed fewer than 10 bronchoscopies (inexperienced bronchoscopists) under direct supervision by an attending Interventional Pulmonologist. The inexperienced bronchoscopist will attempt to navigate to the targeted peripheral pulmonary lesion without virtual bronchoscopic navigation, using only standard axial CT images as a reference. The attending physician will directly observe, but will provide no guidance during this period, which will last no longer than 10 minutes. If the lesion is located and confirmed with radial probe endobronchial ultrasound prior to 10 minutes, biopsies will be performed as per routine clinical practice. If the 10 minute time period elapses prior to localization of the peripheral pulmonary lesion, virtual bronchoscopic navigation will be used.

Treatment:

Procedure: Biopsy

Procedure: Conventional bronchoscopy

Device: VIDA Pulmonary Workstation 2