| Not Yet Recruiting | Comparison of Pulmonary Functions and Respiratory Muscle Strength Between Children With Hearing Impairment and NCT07421349 | Bezmialem Vakif University | — |
| Not Yet Recruiting | Effect of Linvemastat in Patients With Partially Controlled Asthma (syMMPonia) NCT07191535 | Foresee Pharmaceuticals Co., Ltd. | Phase 2 |
| Recruiting | Comprehensive Multicenter Study on the Management of Acute Pain Following Thoracic Combat-Related Trauma in Uk NCT07380789 | Lviv National Medical University | N/A |
| Recruiting | Asthma Intervention With Residential Ventilation and Air Cleaner (AIRVAC) Study NCT07196436 | The University of Texas at Arlington | N/A |
| Recruiting | The Effect of Inspiratory Muscle Training With Substance Use Disorder NCT06961838 | Uskudar University | N/A |
| Recruiting | Effect of Incentive Respiratory Training on Pulmonary Functions and Functional Capacity in Children With B-tha NCT07112703 | Rawan Mohammed Khairy Mostafa Elsawy | N/A |
| Not Yet Recruiting | Effect of Arm Cycling Exercise on Pulmonary Functions After Colectomy In Elderly NCT06876961 | Cairo University | N/A |
| Completed | Digital Incentive Spirometry Adherence NCT06629454 | University of Pennsylvania | N/A |
| Not Yet Recruiting | Additional Effects of Ujjayi Pranayama NCT06663800 | Riphah International University | N/A |
| Completed | Effect of Digital Incentive Spirometry Training in Healthy Adults NCT07528222 | Taipei Medical University | N/A |
| Active Not Recruiting | Pulmonary Function, Muscle Strength, and Functional Capacity in Minimally Invasive Cardiac Surgery NCT07172529 | Zehra Can Karahan | — |
| Recruiting | Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP) Longer Term Follow Up NCT06106646 | Oregon Health and Science University | — |
| Recruiting | Deep Learning for Preoperative Pulmonary Assessment in Thoracic CT NCT06477458 | The First Affiliated Hospital of Guangzhou Medical University | — |
| Recruiting | Research of Endobronchial Optical Coherence Tomography in Pre-COPD NCT06436482 | Sichuan Provincial People's Hospital | — |
| Unknown | Acupuncture as an Adjunctive Therapy for Covid-19 Omicron Randomised Controlled Trial in Patients With Moderat NCT05692258 | The First Affiliated Hospital of Hunan University of Traditional Chinese Medicine | N/A |
| Unknown | A Long-term Follow-up Study of Pulmonary Function Changes Using Phase-resolved Functional Lung MRI in Patients NCT05933317 | Beijing Chao Yang Hospital | — |
| Completed | Thoracolumbar Fascia Release on Pulmonary Function in Stroke NCT06840223 | Kocaeli Sağlık ve Teknoloji Üniversitesi | N/A |
| Unknown | Correlation Between Pulmonary Functions and Physical Fitness in Children With β-thalassemia NCT05494333 | Cairo University | — |
| Unknown | Effect Of Smart Phone Addiction On Pulmonary Function, And Functional Capacity In Children NCT05483361 | Cairo University | — |
| Recruiting | A National Registry on Chinese Patients With Cystic Fibrosis NCT05289245 | Peking Union Medical College Hospital | — |
| Completed | The Effect of Instrument Assisted Soft Tissue Mobilization on Respiratory Functions in Chronic Obstructive Pul NCT05023876 | Okan University | N/A |
| Completed | CPAP on Oxygenation and Pulmonary Function in Elderly Patients After Major Open Abdominal Surgery NCT06260826 | Nguyen Dang Thu | N/A |
| Unknown | Effects of IMT on Pulmonary Functions IN CASES With Inhalation Injury NCT05190497 | Cairo University | N/A |
| Completed | Effect of Education and Tele-consultancy Intervention Based on Watson Human Care Theory Individuals With COPD NCT04256070 | Akdeniz University | N/A |
| Unknown | Impact of Severe Acute Respiratory Syndrome (SARS-CoV-2/COVID-19) Related Pneumonia on Lung Function and Struc NCT04916834 | National Institute for Tuberculosis and Lung Diseases, Poland | — |
| Completed | Comparative Study Between CPAP Mask and Stacked Breathing o Pneumonia NCT04576221 | Ahmed talaat ahmed aly | N/A |
| Completed | The Effect of Schroth Exercises on Pulmonary Function in Adolescent Idiopathic Scoliosis NCT05505695 | Istanbul Medipol University Hospital | N/A |
| Completed | Weight Training With VR in Out-Patients With Acute Exacerbation of Chronic Obstructive Pulmonary Disease NCT04880486 | National Cheng-Kung University Hospital | N/A |
| Completed | Post-operative Pulmonary Function After Kidney Surgery Under Two Different Techniques NCT03885583 | Assiut University | N/A |
| Completed | Pulmonary and Ventilatory Effects of Trigger Modulation in Intubated ICU NCT04041817 | University Hospital, Clermont-Ferrand | N/A |
| Completed | Kinesiology Taping After Thoracotomy NCT05617235 | Akdeniz University | N/A |
| Completed | Effects of Beetroot Juice Intake on Performance and Physiological Parameters NCT06073275 | Campus docent Sant Joan de Déu-Universitat de Barcelona | N/A |
| Completed | Acute Health Effects of Ozone Exposure NCT03697174 | Fudan University | N/A |
| Enrolling By Invitation | Service and Health Among Deployed Veterans NCT02825654 | VA Office of Research and Development | — |
| Completed | Effect of Dietary Supplemental Fish Oil in Alleviating Health Hazards Associated With Air Pollution NCT03255187 | Fudan University | N/A |
| Completed | Vitamin C Supplementation to Pregnant Smokers: Follow-up of 2 Randomized Trials Plus Changes in DNA Methylatio NCT03206710 | Oregon Health and Science University | — |
| Completed | VCSIP Follow-up Study NCT03203603 | Oregon Health and Science University | — |
| Recruiting | A National Registry on Chinese Patients With Lymphangioleiomyomatosis NCT03193892 | Peking Union Medical College Hospital | — |
| Completed | Muscle Strength, Functional Capacity, Respiratory Function and Quality Of Life In Cystic Fibrosis Patients NCT04734743 | Cagtay Maden | N/A |
| Completed | Effects of Particulate Matter on the Pulmonary Function and Acute Exacerbation of COPD and Asthma NCT03193879 | Peking Union Medical College Hospital | — |
| Completed | A Pilot Validation Study of Continuous CO2-based End-expiratory Lung Volume Measurements in Humans. NCT03501446 | Karolinska Institutet | — |
| Completed | In Utero Household Air Pollution Exposure and Lung Development in Ghana NCT02200289 | Icahn School of Medicine at Mount Sinai | — |
| Completed | Intervention Study on the Health Impact of Air Filters in Chinese Adults NCT02239744 | Fudan University | N/A |
| Completed | Lung Function in Patients With Early Type 2 Diabetes Mellitus NCT03167918 | Liaoning University of Traditional Chinese Medicine | Phase 2 / Phase 3 |
| Completed | Diet Intervention Spirometry and Tobacco NCT02151669 | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | N/A |
| Unknown | Pulse Spectrum Analysis in Adult Asthmatics: Correlation With Lung Function, Asthma Control Exhaled Nitric Oxi NCT01719393 | National Taiwan University Hospital | — |
| Active Not Recruiting | LungVITamin D and OmegA-3 Trial (lungVITAL) NCT01728571 | Brigham and Women's Hospital | N/A |
| Unknown | Esophagectomy Associated Respiratory Complications: Ivor-Lewis Versus Sweet Approaches NCT01053182 | Sichuan University | Phase 3 |
| Completed | The Effectiveness of Transcutaneous Electrical Nerve Stimulation After Thoracic Surgery NCT04879108 | Marmara University | N/A |
| Completed | Influence of Tidal Volume on Postoperative Pulmonary Function NCT00795964 | Heinrich-Heine University, Duesseldorf | N/A |
| Withdrawn | Pulmonary Function During Prone and Supine Positioning in NICU Infants Requiring Assisted Ventilation NCT00749762 | University of Utah | — |