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Pulmonary Lesions clinical trials

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NCT ID: NCT02146131 Completed - Pulmonary Nodules Clinical Trials

Ultrathin Bronchoscope and Radial Endobronchial Ultrasound (R-EBUS) With Fluoroscopy Versus Standard Fiberoptic Bronchoscopy (FB) (P00029233 )

Start date: July 2014
Phase: N/A
Study type: Interventional

The purpose of this study is to compare the yield of two methods for obtaining a lung tissue sample: Procedure #1: standard fiberoptic bronchoscopy (FB) with fluoroscopy, and Procedure #2: ultrathin bronchoscope procedure with fluoroscopy and radial endobronchial ultrasound (R-EBUS). These two procedures are similar in that they both: (1) enable your doctor to look inside your lungs with a device called a bronchoscope, and (2) Use fluoroscopy, which is a technique that uses X-rays to see your lungs. This will give the doctor an opportunity to use either of the bronchoscopy methods described above and compare the tests to see if R-EBUS provides better results than standard bronchoscopy.

NCT ID: NCT01429649 Recruiting - Pulmonary Lesions Clinical Trials

Study of Ablation for the Pulmonary Focal Pure Ground Glass Opacity (pGGO)

pGGO
Start date: September 2011
Phase: Phase 3
Study type: Interventional

With the advent of CT screening for lung cancer, there is an increase in the detection of pulmonary lesions with focal pure ground-glass opacity (pGGO). The pure Ground-glass opacities can be caused by normal expiration, partial filling of air spaces, partial collapse of alveoli, interstitial thickening, inflammation, oedema, fibrosis, and lepidic proliferation of neoplasm. Precise details of the natural history of focal pure GGO are still largely unclear. A number of differential diagnoses are possible, including inflammatory disease, focal scar, atypical adenomatous hyperplasia (AAH), and adenocarcinoma in situ. Some of pGGOs remained stable over a considerable time. A long doubling time for pGGOs is already known. Therefore, the strategy of treatment for focal pure GGO lesions is still undecided. The major issue is whether or not the doctors should treat these patients at all or wait until the first sign of a solid lesion developes which may take many years. The purpose of this study is to determine if the ablation therapy is safe and effective for the pulmonary pGGO.