Spots Global Cancer Trial Database for Using Pleural Effusions to Diagnose Cancer

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Trial Identification

Brief Title: Using Pleural Effusions to Diagnose Cancer

Official Title: Clinical Identification of Malignant Pleural Effusions in the Emergency Department

Study ID: NCT03319472

Conditions

Pleural Effusion

Interventions

Study Description

Brief Summary: Pleural effusions (PE) are common conditions that signal either infection or cancer. The investigators aim to develop, validate, and prospectively assess the MAPED score, a clinical score that predicts malignancy at admission. This tool will assist clinicians all over the world to rapidly assess the probability of an effusion being malignant within 4 hours of admission.

Detailed Description: Background: Pleural effusions (PE) are common conditions that signal either pleural-disseminated infection or cancer. While these diagnoses bear tremendous importance for patients, they require invasive procurement of pleural tissues and/or cells and time. Simple and rapid diagnostic markers of pleural malignancy at admission that streamline diagnostic and treatment efforts remain unidentified. Objective: To develop, validate, and prospectively assess markers of malignancy of PE at admission. Methods: A prospective cohort of patients with PE from different etiologies will be recruited stating on 11.21.2013 and prospectively ending on 11.21.2023. Data will be collected within 4 hours of admission including history, chest X-ray, and blood and pleural fluid (PF) cell counts and basic biochemistry. Pleural fluid and serum will be biobanked for future analyses. Patients will sign informed consent forms. Diagnosis will be confirmed using standard microbiology, cytology, histology, and imaging techniques. Patients undiagnosed within a month will be excluded. Variables will be entered into binary regression and receiver-operator analyses using malignancy as the target to develop the MAPED score, a clinical score that predicts malignancy at admission. MAPED will be retrospectively validated in separate published cohorts from the first therapeutic interventions in malignant effusion (TIME) 1-3 trials from Oxford UK. Data will be censored and analyzed three times, at 40-month intervals since study initiation.