Spots Global Cancer Trial Database for Pulmonary Nodule Detection: Comparison of an Ultra Low Dose vs Standard Scan.

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Trial Identification

Brief Title: Pulmonary Nodule Detection: Comparison of an Ultra Low Dose vs Standard Scan.

Official Title: Detection of Pulmonary Nodules: Comparison of Ultra-low-dose Chest CT (Approaching a Two Views Chest X-ray Radiation) and Standard Low Dose CT. A Monocentric, Prospective, Non-randomized, Comparative, Open-label Study With Blind Reading of the Judgment Criteria.

Study ID: NCT03305978

Conditions

Lung Cancer

Smoking

Radiation Exposure

Interventions

Ultra low dose chest CT

Low dose chest CT

Study Description

Brief Summary: Lung cancer screening programs are still discussed in Europe today, and one of the concern is radiation due to iterative CT. The aim of this monocentric, prospective, non randomized study is to compare an ultra low dose chest CT (approaching a two views X ray) versus a standard low dose chest CT for ≥4mm lung nodules detection, and secondary for lung nodule characterization and smoking associated findings (emphysema, bronchial abnormalities and coronary calcifications).

Detailed Description: An additional Ultra Low Dose CT, approaching 0.2mSv, will be performed in consenting patients referred for non enhanced chest CT in our Revolution CT scanner (GE Healthcare®).The dose delivered with the two acquisitions is still lower than the french diagnostic reference level. Standard CT is interpreted and a report is sent to the referent physician as usual. Then the two acquisitions are read over time by two independent radiologists, blinded over judgment criterias. In case of discordance, an other radiologist will arbitrate. We hope to validate our Ultra low dose chest CT protocol, which is more than 10 times less radiating than a standard low dose CT, as a sensitive tool to detect lung nodules.