Post-approval studies (Phase 4)Study completedNCT03776747What this trial is testingRepeatability in Hyperpolarized 3-Helium With MRIWho this might be right forRadiation Exposure Eric A. Hoffman 18
Large-scale testing (Phase 3)Ended earlyNCT01155310What this trial is testingEfficacy of Helium/Oxygen Compared to Air/Oxygen in Severe Exacerbation of Chronic Obstructive Pulmonary Disease (COPD)Who this might be right forChronic Obstructive Pulmonary Disease Air Liquide Santé International 446
Not applicableStudy completedNCT02316392What this trial is testingImaging and Understanding BOS in Lung TransplantationWho this might be right forBronchiolitis Obliterans Syndrome Children's Hospital Medical Center, Cincinnati 6
Testing effectiveness (Phase 2)Study completedNCT00406705What this trial is testingThe Effect of Breathing Helium-Hyperoxia During Pulmonary Rehabilitation in Patients With COPDWho this might be right forChronic Obstructive Pulmonary DiseaseCOPDEmphysema+2 more University of Alberta 38
Not applicableStudy completedNCT05968495What this trial is testingMeasuring Renuvion Soft Tissue Contraction Using UltrasoundWho this might be right forSkin Laxity Apyx Medical 5
Not applicableStudy completedNCT02620891What this trial is testingHelium Oxygen Mixture in the Treatment of Meconium Aspiration SyndromeWho this might be right forNeonatal Meconium Aspiration Ma Juan 60
Not applicableUnknownNCT04689620What this trial is testingHelium Neon Laser Versus Gallium Arsenide LaserWho this might be right forVenous Leg Ulcer Mahmoud Awad Ramadan Elkholy 60
Not applicableStudy completedNCT00123422What this trial is testingInnovation in Pulmonary RehabilitationWho this might be right forPulmonary DiseasePulmonary Emphysema US Department of Veterans Affairs 103
Testing effectiveness (Phase 2)Study completedNCT00788788What this trial is testingHeliox in Experimental Upper Airway ObstructionWho this might be right forAirway ObstructionDyspnea University of Witten/Herdecke 44
Not applicableStudy completedNCT00394225What this trial is testingHelium-Hyperoxia and 6MWT Distance in COPDWho this might be right forChronic Obstructive Pulmonary Disease University of Saskatchewan 16
Not applicableEnded earlyNCT00846573What this trial is testingHyperpolarized Noble Gas MR Imaging for Pulmonary DisordersWho this might be right forCOPDCystic FibrosisAsthma+1 more University of Massachusetts, Worcester 14
Not applicableLooking for participantsNCT06943742What this trial is testingNon-Helium Magnetoencephalography in Pediatric Brain TumorsWho this might be right forPediatric Brain Tumor Guangzhou Women and Children's Medical Center 100
Not applicableStudy completedNCT00001194What this trial is testingNMR Scanning on PatientsWho this might be right forDiagnostic Imaging National Institutes of Health Clinical Center (CC) 99,999
Early research (Phase 1)Study completedNCT02012361What this trial is testingInspired Helium for Ischemic Protection During Knee Replacement SurgeryWho this might be right forIschemia University of Florida 40
Testing effectiveness (Phase 2)Ended earlyNCT00260598What this trial is testingLIFE-Lung Bronchoscopy in Patients at Risk for Developing Lung CancerWho this might be right forNon-Small-Cell Lung CarcinomaHead and Neck Squamous Cell CancerPulmonary Disease, Chronic Obstructive University of Pittsburgh 142
Not applicableStudy completedNCT01268462What this trial is testingUse of Heliox Associated With PEEP in Patients With AsthmaWho this might be right forAsthmaHeliumOxygen+1 more Universidade Federal de Pernambuco 32
Testing effectiveness (Phase 2)Ended earlyNCT00410150What this trial is testingHeliox-Powered Albuterol Therapy in the Treatment of Children Admitted With Acute Asthma ExacerbationWho this might be right forStatus Asthmaticus Children's Hospital Medical Center, Cincinnati 42
Not applicableStudy completedNCT01859650What this trial is testingLung HeXeRT: Helium, Xenon MRI for NSCLC PatientsWho this might be right forNSCLC Sheffield Teaching Hospitals NHS Foundation Trust 21
Not applicableLooking for participantsNCT07064967What this trial is testingNon-Helium Magnetoencephalography in Autism Spectrum DisorderWho this might be right forAutism Spectrum Disorder (ASD) Guangzhou Women and Children's Medical Center 80
Not applicableUnknownNCT02154568What this trial is testingStudy of Airflow in the Lungs Using Helium MRIWho this might be right forCOPDHealthyConstrictive Bronchitis University of Virginia 10