| Not Yet Recruiting | Evaluation of Transthoracic Ultrasonography in Differentiating Pleural Effusions NCT07513909 | Assiut University | — |
| Recruiting | Evaluation of the Efficacy of Diagnostic Support Algorithms in Chest X-rays- LuAna Trial NCT06686251 | Hospital Israelita Albert Einstein | N/A |
| Active Not Recruiting | Study of the Benefits of Virtual Reality Headsets for Reducing Anxiety in Patients Treated for Pleural Effusio NCT07206940 | Centre Hospitalier Universitaire de Nice | N/A |
| Recruiting | Effect of Bubble Positive Expiratory Pressure and Segmental Breathing Versus Incentive Spirometry in Pleural E NCT07248774 | Riphah International University | N/A |
| Not Yet Recruiting | Once Daily Intrapleural Enzyme Therapy in Complicated Parapneumonic Effusion or Empyema NCT07095361 | University of North Carolina, Chapel Hill | Phase 4 |
| Recruiting | Pleural Effusion Biomarkers in Lung Adenocarcinoma Patients NCT07012759 | Fu Jen Catholic University | — |
| Recruiting | 16F vs 24F Chest Drain After Minimally Invasive Lobectomy and/or Segmentectomy NCT06958848 | University Hospital, Basel, Switzerland | N/A |
| Recruiting | ARMSTRONG - Air entRainMent vS sTandard tReatment in nOn-expandable luNG NCT06959719 | Cambridge University Hospitals NHS Foundation Trust | N/A |
| Recruiting | Pleuroscopy First Versus Thoracentesis First in Patients With Suspected Malignant Pleural Effusions NCT06892691 | Icahn School of Medicine at Mount Sinai | N/A |
| Recruiting | Confocal Laser Endomicroscopy Guided Medical Thoracoscopy for the Diagnosis of Pleural Disease NCT06741839 | China-Japan Friendship Hospital | N/A |
| Not Yet Recruiting | Chest Drain Insertion Assisted by Virtual Reality NCT06589739 | Central Hospital, Nancy, France | N/A |
| Completed | TBP Survey Among Respiratory Physicians NCT06390969 | Chinese University of Hong Kong | — |
| Completed | PMCF Study of the CE-marked Drainova® ArgentiC Catheter NCT06436807 | ewimed GmbH | — |
| Active Not Recruiting | The ACES Study for Aseptic Pleural Effusion NCT06210685 | Pleural Dynamics, Inc. | N/A |
| Unknown | Medical Thoracoscopy for Diagnosing Unexplained Pleural Effusion: a National Multicenter Retrospective Study NCT06275178 | China-Japan Friendship Hospital | — |
| Recruiting | Normal Saline Flushing With And Without Heparin Lock In Maintaining Small Bore Intercostal Chest Catheter (ICC NCT06314620 | National University of Malaysia | N/A |
| Recruiting | Improvement to Perform Thoracocentesis After a Specific Training in Medical Students With the Supervised Use o NCT05960747 | University Hospital, Strasbourg, France | — |
| Recruiting | Virtual Reality: Distraction During Small Bore Intercostal Chest Drain Insertion NCT06247800 | National University of Malaysia | N/A |
| Completed | Medical Thoracoscopy With Flexible Bronchoscopy Versus Semi-Rigid Pleuroscope in Pleural Effusion (FLEXPLEUR) NCT06162429 | National University of Malaysia | — |
| Recruiting | Strategy for Prompt and Effective Thoracentesis in the Emergency Department NCT06180603 | University of Aarhus | N/A |
| Recruiting | Clinical Utility of Portable Dynamic Chest X Ray (DDR) in the ICU NCT06538376 | Brigham and Women's Hospital | N/A |
| Unknown | The INSIGHT Feasibility Study Ultrasound in the Intensive Care Unit: A Randomised Controlled Feasibility Trial NCT05569798 | King's College Hospital NHS Trust | N/A |
| Not Yet Recruiting | Ultrasound-guided Pigtail Catheter Versus Intercostal Tube Drainage of Non-traumatic Exudative Pleural Effusio NCT06099054 | Assiut University | N/A |
| Unknown | Continuation Of a Study to Investigate the Effect of Thoracocentesis on Neural Respiratory Drive in Pleural Ef NCT05945043 | Guy's and St Thomas' NHS Foundation Trust | — |
| Completed | AI Assisted Detection of Chest X-Rays NCT06075836 | Oxford University Hospitals NHS Trust | — |
| Completed | Enhancing Respiratory Auscultation Skills Among Medical Students: Digital Stethoscopes in Medical Education NCT06359158 | Chung Shan Medical University | N/A |
| Recruiting | Comparing the Diagnostic Sensitivity and Specificity of Pleural Fluid N-Terminal Pro B-type Natriuretic Peptid NCT05797649 | Chinese University of Hong Kong | — |
| Unknown | Validity of Pleural Effusion Detection Software NCT05903287 | Chang Gung Memorial Hospital | — |
| Recruiting | First Local Anaesthesia Thoracoscopy for Pleural Effusion Diagnosis. NCT06946498 | National and Kapodistrian University of Athens | N/A |
| Unknown | The Effectiveness and Safety of Ultrasound Elastography Guided Pleural Biopsy in the Differential Diagnosis of NCT05781659 | China-Japan Friendship Hospital | N/A |
| Unknown | Diagnostic Yield of Agitated Exudative Non-infected Pleural Effusion NCT05819294 | Alexandria University | N/A |
| Unknown | A Prospective Observational Study on the Role of Transthoracic Ultrasound in Differentiating Tuberculous From NCT05935696 | Sarawak General Hospital | — |
| Unknown | Clinical Validation of Programmable Drain Fluid Regulator to Reduce Morbidity, Care Requirements, and Improve NCT05734729 | Changi General Hospital | N/A |
| Unknown | Efficacy of Topical Lidocaine/Prilocaine in Pain Management in Pleurocentesis NCT05984264 | Assiut University | Phase 4 |
| Not Yet Recruiting | Role of Ultrasound Elastography in Pleural Effusion NCT05642091 | Assiut University | N/A |
| Unknown | Pigtail Catheter for Drainage of (Pneumothorax/Simple Effusion) is a Effective Procedure NCT05641779 | Assiut University | — |
| Completed | Quantitative C-Reactive Protein for Differentiating Tuberculous and Malignant Pleural Effusion: a Cross-Sectio NCT06729931 | Maharajgunj Medical Campus | — |
| Completed | Multi-Reader Retrospective Study Examining Carebot AI CXR 2.0.21-v2.01 Implementation in Everyday Radiology Cl NCT05963945 | Carebot s.r.o. | — |
| Unknown | Collection of Pleural Effusion Fluid NCT05539183 | Universitair Ziekenhuis Brussel | N/A |
| Unknown | Prospective Evaluation of Patients With Pleural Effusion NCT05759117 | Chinese University of Hong Kong | — |
| Completed | Retrospective Study of Carebot AI CXR Performance in Preclinical Practice NCT05594485 | Carebot s.r.o. | — |
| Completed | Efficacy of the echOpen Device to Identify Effusion and to Detect Basilic Vein NCT05280119 | Assistance Publique - Hôpitaux de Paris | N/A |
| Completed | Thoracentesis QI Study NCT05424120 | University of Minnesota | N/A |
| Unknown | Urine Bag Usage Versus Chest Drain Clamping After Lung Resection Surgeries NCT05230420 | Al-Quds University | N/A |
| Unknown | Local Anesthesia Versus Combined Local Anesthesia With Single Dose Analgesia on Pain Control During Thoracic U NCT05121233 | Assiut University | Phase 4 |
| Completed | Point of Care Ultrasound Lung Artificial Intelligence (AI) Validation Data Collection Study NCT04891705 | Philips Clinical & Medical Affairs Global | — |
| Completed | Thoracentesis to Alleviate Cardiac Pleural Effusion NCT05017753 | Bispebjerg Hospital | N/A |
| Unknown | Multicenter Validation Study of an Artificial Intelligence Tool for Automatic Classification of Chest X-rays NCT04991987 | Hospital Italiano de Buenos Aires | — |
| Completed | The Oxford Pleural Infection Endotyping Study NCT06513689 | University of Oxford | — |
| Completed | Intrapleural Fibrinolytic Therapy to Enhance Chemical Pleurodesis Enhance Chemical Pleurodesis NCT04806373 | Memorial Healthcare System | Phase 4 |
| Unknown | Evaluation and Importance of the PD-1/PD-L1 and the IL-10/IL-10R Axis in Malignant and Benign Pleural Effusion NCT04834830 | University of Vienna | — |
| Completed | Investigating Signal Change in Malignant and Non-malignant Pleural Effusions and asCitic Fluid Using fTiR Anal NCT04533854 | Portsmouth Hospitals NHS Trust | — |
| Unknown | Diagnosis and Classification of Pleural Diseases Using Ultrasound Channel Data NCT04418804 | Israel Aharoni | N/A |
| Unknown | Modified Thoracoscopic Pleural Cryobiopsy in Diagnosis of Exudative Pleural Effusion NCT04683419 | Alexandria University | N/A |
| Completed | A Study to Evaluate LTI-01 in Patients With Infected, Non-draining Pleural Effusions NCT04159831 | Rein Therapeutics | Phase 2 |
| Unknown | Prospective Data Collection on Clinical, Radiological and Patient Reported Outcomes After Pleural Intervention NCT05910112 | University of Oxford | — |
| Completed | Thoracic Drains in Intensive Care Units: Comparison of Seldinger and Surgical Methods NCT04438317 | University Hospital, Clermont-Ferrand | N/A |
| Completed | Role of Cryobiopsy in Diagnosis of Pleural Effusion NCT03828903 | Assiut University | N/A |
| Completed | Comparing Active Versus Passive Aspiration in Therapeutic Thoracentesis: Efficacy, Procedure Time, and Patient NCT07184736 | Sheikh Zayed Federal Postgraduate Medical Institute | N/A |
| Unknown | Physical Therapy Intervention in Pleural Effusion NCT04294485 | Universidad de Granada | N/A |
| Completed | Value of Additional Upfront Systematic Lung Ultrasound in the Workup of Patients With Unilateral Pleural Effus NCT04235998 | Naestved Hospital | — |
| Unknown | Use of Guidance Videos to Increase Engagement and Decrease Anxiety in Patients Undergoing Pleural Tap NCT04254445 | GistMed Ltd. | N/A |
| Completed | Thoracentesis: Symptoms and Prediction of the Need for Therapeutic Thoracentesis NCT04236934 | Naestved Hospital | — |
| Unknown | Suturing With U-Technique Versus Un-Reapproximated Wound Edges During Removal of Closed Thoracostomy Tube Drai NCT04193241 | University of Ibadan | N/A |
| Terminated | A Randomised Study Evaluating Diagnostics of Pleural Effusion Among Patients Suspect of Cancer. NCT04233359 | Naestved Hospital | N/A |
| Completed | Evaluation of Ultra-portable Ultrasound in General Practice NCT04127149 | Hospices Civils de Lyon | N/A |
| Terminated | Positive and Quantitative Diagnosis of Pleural Effusions by Thoracic Ultrasonography in Patients With Acute Re NCT03846934 | University Hospital, Limoges | — |
| Completed | Clinical Implementation of the Use of Positive Pressure in Chest Drainage NCT03896672 | Universidade Cidade de Sao Paulo | N/A |
| Unknown | Talc Outpatient Pleurodesis With Indwelling Catheter NCT03973957 | The Cooper Health System | N/A |
| Completed | Safety and Efficacy of Coaxial Smart Drain (Redax TM) in Uniportal-VATS NCT06036667 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | N/A |
| Recruiting | Gravity Versus Vacuum Based Indwelling Tunneled Pleural Drainage System NCT03831386 | Johns Hopkins University | N/A |
| Unknown | Evaluation and Outcome of Para-pneumonic Effusion NCT03480490 | Assiut University | — |
| Withdrawn | The Safety and Efficacy of Fibrinolysis in Patients With an Indwelling Pleural Catheter for Multi-loculated Ma NCT03678090 | Yale University | Phase 2 |
| Unknown | Education and Training Competences in Thoracic Ultrasound NCT03728491 | Odense University Hospital | N/A |
| Completed | Gravity- Versus Suction-driven Large Volume Thoracentesis NCT03591952 | Vanderbilt University Medical Center | N/A |
| Withdrawn | Betadine Pleurodesis Via Tunneled Pleural Catheters NCT02975921 | Yale University | Phase 4 |
| Unknown | Ballooned Intercostal Drain Trial NCT03000504 | Royal Brompton & Harefield NHS Foundation Trust | N/A |
| Unknown | Minirigid Versus Conventional Rigid Thoracoscopy in Undiagnosed Pleural Effusions NCT03449602 | Post Graduate Institute of Medical Education and Research, Chandigarh | N/A |
| Unknown | Evaluation Of Pleural Effusion At Assiut University Hospital NCT03260088 | Assiut University | — |
| Completed | The Safety of Thoracentesis, Tunneled Pleural Catheter, and Chest Tubes in Patients Taking Novel Oral Anti-Coa NCT03535883 | Yale University | — |
| Completed | Novel Pleural Fluid, Biopsy and Serum Biomarkers for the Investigation of Pleural Effusions NCT03661801 | University of Oxford | — |
| Completed | Point-of-care Ultrasound in Finland NCT03327688 | Ossi Hannula | N/A |
| Unknown | Evaluating Different Modalities for Pleural Adhesiolysis at Assuit University Hospital NCT03172052 | Assiut University | Phase 4 |
| Unknown | Thoracic Ultrasound in the Treatment of Pleural Effusion NCT02505763 | University Hospital, Toulouse | N/A |
| Completed | Noninvasive Ventilation Therapy for the Treatment of Pleural Effusion in Patients With Heart Failure NCT03189654 | Heart and Diabetes Center North-Rhine Westfalia | — |
| Completed | Persistent Pleural Effusion Treatment Following Cardiothoracic Surgery by Platelet-Fibrin Glue NCT06449131 | Daryoush Hamidi Alamdari, PhD | Phase 2 |
| Completed | Data Visualization of Kidney and Prostate Tumors Using Routine Pre-Operative Imaging, 3D Printed, and 3D Virtu NCT03656822 | NYU Langone Health | — |
| Completed | Pleural Effusion Drainage in Mechanically Ventilated Patients Monitored by EIT NCT03231072 | Czech Technical University in Prague | N/A |
| Completed | Use of Vasopressin Following the Fontan Operation NCT02975999 | Wake Forest University Health Sciences | Phase 2 / Phase 3 |
| Completed | Pressure Levels on Lung Expansion NCT03027180 | Universidade Cidade de Sao Paulo | N/A |
| Completed | Evaluation of Implementation of a National Point-of-Care Ultrasound Training Program NCT03296280 | VA Office of Research and Development | — |
| Unknown | Liquid Biopsy With Immunomagnetic Beads Capture Technique for Malignant Cell Detection in Body Fluid NCT02891642 | The First Affiliated Hospital with Nanjing Medical University | — |
| Completed | Mini Thoracoscopy vs Semirigid Thoracoscopy in Exudative Pleural Effusions NCT02851927 | All India Institute of Medical Sciences | N/A |
| Completed | Impact of Draining Significant Effusion on Gas Exchange and Lung Mechanics in Patient Under Mechanical Ventila NCT03394872 | Dokuz Eylul University | — |
| Completed | Impact of Pleural Manometry on Chest Discomfort After Therapeutic Thoracentesis NCT02677883 | Vanderbilt-Ingram Cancer Center | N/A |
| Unknown | International Registry of Patients Treated With Pressurized IntraPeritoneal Aerosol Chemotherapy (PIPAC) NCT03210298 | Sabine Rhode | — |
| Withdrawn | Exploration of the Pleural Cavity Using a fleXible endoscoPe NCT02463955 | University Hospital, Rouen | N/A |
| Completed | Vacuum vs Manual Drainage During Unilateral Thoracentesis NCT03496987 | Yale University | N/A |
| Completed | Active Clearance of Chest Tubes After Cardiac Surgery: A Prospective Randomized Controlled Study NCT02808897 | Montreal Heart Institute | N/A |
| Completed | Driving Pressure And EFL in Adult Cardiac Surgery NCT03064659 | Ospedale San Raffaele | — |
| Unknown | Ketotifen as a Treatment for Vascular Leakage During Dengue Fever NCT02673840 | National University Hospital, Singapore | Phase 4 |
| Completed | Efficacy and Safety of Prophylactic Use of an Antibiotic for Medical Thoracoscopy NCT02446782 | Post Graduate Institute of Medical Education and Research, Chandigarh | Phase 4 |
| Completed | Perioperative Change of Regional Ventilation During Spontaneous Breathing NCT02419196 | Wuerzburg University Hospital | — |
| Completed | Yield of Cryoprobe vs Flexible Forceps Pleural Biopsy NCT02500277 | Post Graduate Institute of Medical Education and Research, Chandigarh | N/A |
| Completed | Positive Airway Pressure on Pleural Effusion After Drainage NCT02246946 | Universidade Cidade de Sao Paulo | N/A |
| Completed | Electrical Impedance Imaging of Patients on Mechanical Ventilation NCT02232841 | Colorado State University | — |
| Completed | Pathophysiological Effects of Intrapleural Pressure Changes During Therapeutic Thoracentesis NCT02192138 | Medical University of Warsaw | N/A |
| Terminated | Using Ultrasound to Predict the Results of Draining Pleural Effusions NCT01973985 | University of Oxford | — |
| Terminated | Investigation Into the Automated Drainage of Recurrent Effusions From the Pleural Space in Thoracic Malignancy NCT01952327 | Sequana Medical N.V. | N/A |
| Terminated | The Effect of Non-Steroidal Anti-Inflammatory Drug Naproxen on Pleural Effusion Formation After Lung Resection NCT01612975 | McMaster University | Phase 2 |
| Unknown | Diagnostic Accuracy of Pleural Effusion Aspergillosis Biomarker Testing NCT02104479 | Heidelberg University | — |
| Unknown | Pigtail Catheter: a Less Invasive Option for Pleural Drainage of Recurrent Hepatic Hydrothorax NCT02119169 | Sherief Abd-Elsalam | N/A |
| Completed | A Feasibility and Safety Study of the Use of a Dedicated Ballooned Intercostal Drain NCT01869504 | Sherwood Forest Hospitals NHS Foundation Trust | N/A |
| Completed | Using Pleural Effusions to Diagnose Cancer NCT03319472 | University of Patras | — |
| Completed | Pleural and Pericardial Effusion Following Open Heart Surgery NCT02045641 | Aarhus University Hospital Skejby | N/A |
| Completed | Comparison of Pleural Drainage Systems on Reducing Pleural Effusion Formation Following Lung Resection NCT01776372 | McMaster University | N/A |
| Completed | Tubeless Versus Standard Upper Pole Percutaneous Nephrolithotomy NCT02036398 | Rabin Medical Center | N/A |
| Completed | Evaluation of a Pocket-Sized Ultrasound Device As an Aid to the Physical Examination NCT01948076 | Brigham and Women's Hospital | N/A |
| Unknown | Effects of Pleural Effusion Drainage on Respiratory System Mechanics NCT01652521 | Wolfson Medical Center | — |
| Unknown | Detection of Pleural Effusion by Internal Thoracic Impedance Method NCT01601444 | Michal Roll PhD,MBA | N/A |
| Unknown | COlchicine for Prevention of the Post-pericardiotomy Syndrome and Post-operative Atrial Fibrillation (COPPS-2 NCT01552187 | Maria Vittoria Hospital | Phase 3 |
| Completed | Cryobiopsy or Forceps Biopsy During Semirigid Thoracoscopy: a Comparative Study NCT01475084 | The University Clinic of Pulmonary and Allergic Diseases Golnik | Phase 2 / Phase 3 |
| Completed | Not Invasive Monitoring of Pleural Drainage NCT01778270 | RWTH Aachen University | N/A |
| Completed | Physiotherapy Technique Decreases Respiratory Complications After Cardiac Operation NCT01416519 | Santa Casa de Votuporanga | N/A |
| Completed | Procoagulant Activity in Patients With Community Acquired Pneumonia, Pleural Effusion and Empyema NCT01178580 | Meir Medical Center | — |
| Completed | Catheter Placement for Hepatic Hydrothorax NCT02595567 | Washington University School of Medicine | N/A |
| Completed | Pleural Cryobiopsies During Semirigid Thoracoscopy: A New Technique NCT01472172 | The University Clinic of Pulmonary and Allergic Diseases Golnik | EARLY_Phase 1 |
| Unknown | Pneumonia and Empyema in Emergency Departments in Children NCT05274607 | Association Clinique Thérapeutique Infantile du val de Marne | — |
| Withdrawn | Echocardiographic Examination Performed by Nurses in Cardiac Intensive Care Unit NCT00886548 | Helse Nord-Trøndelag HF | — |
| Completed | The First Therapeutic Intervention in Malignant Pleural Effusion Trial NCT00896285 | University of California, Davis | N/A |
| Completed | Effects of Respiratory Physiotherapy on Pleural Effusion NCT01756742 | Universidad de Granada | N/A |
| Active Not Recruiting | Intrapleural Catheter Daily Versus Three Times a Week Drainage NCT00761618 | M.D. Anderson Cancer Center | Phase 2 |
| Terminated | Tenecteplase (TNK) for Loculated Pleural Effusions in Patients With Malignancy NCT01580618 | Kaiser Permanente | Phase 2 / Phase 3 |
| Unknown | Angiogenic Cytokines and Fibrinolytic Activity in Parapneumonic Effusions NCT01325454 | Taipei Medical University Hospital | — |
| Completed | Sustained Effects of Thoracocentesis in Mechanically Ventilated Patients NCT00915161 | Oxford University Hospitals NHS Trust | — |
| Completed | Drainage Amount for Removal of Thoracostomy Tube NCT00575198 | University of California, Davis | N/A |
| Completed | Comparison of Thoracoscopic Talc Pleurodesis by Thoracic Epidural or General Anesthesia NCT01469728 | University of Rome Tor Vergata | Phase 2 |
| Completed | Vibration Response Imaging (VRI) in Management and Evaluation in Patients With Pleural Effusion NCT00473291 | Deep Breeze | — |
| Terminated | Malignant Pleural Effusion With ZD6474 NCT00402896 | M.D. Anderson Cancer Center | Phase 2 |
| Completed | Efficacy Study of Thrice Weekly Directly Observed Treatment Short-Course Regimen in Tubercular Pleural Effusio NCT01560078 | All India Institute of Medical Sciences | — |
| Terminated | Multiple Biomarkers in Undiagnosed Pleural Effusion NCT00316134 | Fujirebio Diagnostics, Inc. | — |
| Completed | Rigid Thoracoscopy Versus CT-Guided Pleural Needle Biopsy NCT00720954 | Eskisehir Osmangazi University | N/A |
| Completed | Reproducibility of Computed Tomography NCT01616264 | Universidade Federal do Rio de Janeiro | — |
| Completed | PDMS Outcome After Intensive Care, Organdysfunction and Monitoring NCT03379688 | Charite University, Berlin, Germany | — |
| Unknown | Use of the Triggering Receptor Expressed on Myeloid Cells-1 (TREM-1) in the Diagnosis of Pleural Effusion NCT00166894 | National Taiwan University Hospital | — |
| Completed | Continuous Positive Airway Pressure on Tuberculosis Pleural Effusion NCT00560521 | Universidade Federal do Rio de Janeiro | N/A |
| Unknown | Use of Procalcitonin in the Diagnosis of Pleural Effusion NCT00172835 | National Taiwan University Hospital | — |
| Unknown | Alteplase for Treatment of Empyema and Complicated Parapneumonic Effusion NCT00103766 | O'Brien, Jeana D., MD, FACP, FCCP | N/A |
| Completed | Pleural Effusion Following Cardiac Surgery: Prevalence, Risk Factors and Clinical Features NCT00665015 | Laval University | — |
| Completed | Efficacy and Security of Intrapleurally Alteplase vs Urokinase for the Treatment of Complicated Parapneumonic NCT01246453 | Hospital Universitari Vall d'Hebron Research Institute | Phase 4 |