| Recruiting | Glycine and Magnesium+Thiamine for the Treatment of Primary Ciliary Dyskinesia NCT06959251 | Instituto Nacional de Enfermedades Respiratorias | N/A |
| Recruiting | A Cohort for Inflammatory Respiratory Diseases: From Phenotyping to Personalised Medicine NCT07274631 | CHU de Reims | — |
| Recruiting | Thermal Spa Treatment and Improvement of Primary Ciliary Dyskinesia NCT07029594 | Association Francaise pour la Recherche Thermale | N/A |
| Completed | A Study to Assess the Safety, Tolerability, Ciliary Rescue, and Pharmacodynamics of RCT1100 in Adults With PCD NCT06600425 | ReCode Therapeutics | Phase 1 |
| Recruiting | Utility of PCD Diagnostics to Improve Clinical Care NCT05889013 | Connecticut Children's Medical Center | — |
| Active Not Recruiting | A Study Providing Genetic Testing to Find Those Who May Have Primary Ciliary Dyskinesia for Potential Clinical NCT06172374 | ReCode Therapeutics | — |
| Completed | Assessment of Oral Health Status of Children With Primary Ciliary Dyskinesia NCT06618209 | Marmara University | — |
| Unknown | Evaluating Bronchodilator Response in Patients With Bronchiectasis NCT05932316 | Rambam Health Care Campus | N/A |
| Recruiting | Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia NCT07288827 | Indiana University | N/A |
| Active Not Recruiting | A Longitudinal, Observational Study of Primary Ciliary Dyskinesia in Adults NCT05685186 | ReCode Therapeutics | — |
| Completed | Study Evaluating the Safety and Tolerability of RCT1100 in Healthy and PCD Subjects NCT05737485 | ReCode Therapeutics | Phase 1 |
| Unknown | Analysis of the Molecular Composition of Tubal Cilia in Patients With or Without Ectopic Pregnancy NCT05374720 | Centre Hospitalier Intercommunal Creteil | N/A |
| Completed | Longitudinal Characterization of Respiratory Tract Exacerbations and Treatment Responses in Primary Ciliary Dy NCT05161858 | University of North Carolina, Chapel Hill | — |
| Completed | Utilizing Hyperpolarized 129Xe Magnetic Resonance Imaging in Children With Primary Ciliary Dyskinesia NCT04858191 | The Hospital for Sick Children | — |
| Recruiting | Use of Nasal Nitric Oxide Testing in Improving Primary Ciliary Dyskinesia Clinical Care NCT05287022 | Arkansas Children's Hospital Research Institute | — |
| Completed | Functional Studies of Novel Genes Mutated in Primary Ciliary Dyskinesia II: Genotype to Phenotype NCT04901715 | University of North Carolina, Chapel Hill | EARLY_Phase 1 |
| Completed | Characterizing the Upper Airway Manifestations in Primary Ciliary Dyskinesia and Primary Immunodeficiencies NCT04919018 | University of North Carolina, Chapel Hill | — |
| Completed | Upper Extremity Exercise Capacity, Muscle Oxygenation, Balance in Patients With Primary Ciliary Dyskinesia NCT04895150 | Gazi University | — |
| Completed | Feasibility of Consumption of Nutritional Supplementation in Primary Ciliary Dyskinesia NCT06028607 | University of Leeds | N/A |
| Unknown | Nasal Nitric Oxide Across Mutations in Primary Ciliary Dyskinesia NCT04949308 | University Hospital Muenster | — |
| Completed | Defining the Genetic Etiology of Suppurative Lung Disease in Children and Adults NCT04702243 | University of North Carolina, Chapel Hill | — |
| Completed | Physiological Responses to Exercise Tests in Primary Ciliary Dyskinesia Compared With Healthy Individuals NCT05712798 | Hacettepe University | — |
| Recruiting | Chest Physiotherapy and Lung Function in Primary Ciliary Dyskinesia NCT01929356 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Recruiting | Living With Primary Ciliary Dyskinesia (Living With PCD) NCT04602481 | University of Bern | — |
| Recruiting | The Ear-Nose-Throat (ENT) Prospective International Cohort of PCD Patients (EPIC-PCD) NCT04611516 | University of Bern | — |
| Completed | Physical Fitness, Exercise Capacity and Activities of Daily Living in Primary Ciliary Dyskinesia: a Retrospect NCT05040607 | Hacettepe University | — |
| Completed | Respiratory Function, Exercise Capacity and Peripheral Muscle Strength Among Patients With CF, PCD and Healthy NCT04161313 | Bezmialem Vakif University | — |
| Unknown | Genotype/Phenotype Correlation With Focus on Lung Function in Primary Ciliary Dyskinesia (PCD) NCT04717115 | University Hospital Muenster | — |
| Unknown | The Effect of a Dietary Supplement Rich in Nitric Oxide in Patients Diagnosed With Primary Ciliary Dyskinesia. NCT04489472 | The University of Texas Health Science Center, Houston | N/A |
| Completed | Respiratory Physiotherapy Performed by Simeox In Patients With Primary Ciliary Dyskinesia NCT04793724 | University Hospital, Motol | N/A |
| Completed | Effect of Game Based Approach on Oxygenation, Functional Capacity and Quality of Life in Primary Ciliary Dyski NCT03832491 | Hacettepe University | N/A |
| Completed | Intervention in Chronic Pediatric Patients and Their Families. NCT04476433 | University of Valencia | N/A |
| Completed | PCD New Gene Discovery NCT03801395 | Vanderbilt University Medical Center | — |
| Unknown | WGS of Korean Idiopathic Bronchiectasis NCT03809091 | Seoul National University Hospital | — |
| Completed | Registry for Primary Ciliary Dyskinesia NCT03271840 | University of Alberta | — |
| Unknown | PRospective Observational Multicentre Study on VAriability of Lung Function in Stable PCD Patients NCT03704896 | University of Southampton | — |
| Completed | Bacteriological Link Between Upper and Lower Airways in Cystic Fibrosis and Primary Ciliary Dyskinesia NCT03494894 | Centre Hospitalier Intercommunal Creteil | — |
| Recruiting | Utility of PCD Diagnostics to Improve Clinical Care NCT03704207 | Vanderbilt University Medical Center | N/A |
| Unknown | MRI in Cystic Fibrosis and Primary Ciliary Dyskinesia NCT03279965 | Royal Brompton & Harefield NHS Foundation Trust | — |
| Unknown | Multiple Breath Washout, a Clinimetric Dataset NCT03320382 | Imperial College London | — |
| Recruiting | DCP (RaDiCo Cohort) (RaDiCo-DCP) NCT05951478 | Institut National de la Santé Et de la Recherche Médicale, France | — |
| Completed | Muscle Function, Exercise Capacity and Physical Activity Level in Primary Ciliary Dyskinesia and Kartagener Sy NCT05816876 | Gazi University | — |
| Completed | Respiratory Muscle Strength, Exercise Capacity and Physical Activity Levels in Children Primary Ciliary Dyskin NCT03370029 | Gazi University | — |
| Completed | Clearing Lungs With ENaC Inhibition in Primary Ciliary Dyskinesia NCT02871778 | Parion Sciences | Phase 2 |
| Not Yet Recruiting | Registry Study on Primary Ciliary Dyskinesia in Chinese Children NCT02704455 | Beijing Children's Hospital | — |
| Unknown | In Vivo Measurements of Nasal Ciliary Beat Frequency by Using Interferometry NCT02699177 | Hadassah Medical Organization | — |
| Completed | Genetics of Primary Ciliary Dyskinesia NCT02389049 | University of North Carolina, Chapel Hill | — |
| Active Not Recruiting | International Primary Ciliary Dyskinesia Cohort NCT03517865 | University of Bern | — |
| Recruiting | Swiss Primary Ciliary Dyskinesia Registry NCT03606200 | University of Bern | — |
| Unknown | Early Detection and Characterization of Primary Ciliary Dyskinesia NCT01070914 | Ziv Hospital | — |
| Completed | Otolith Function in Patients With Primary Ciliary Dyskinesia NCT01246258 | Imperial College Healthcare NHS Trust | — |
| Unknown | Screening for Primary Ciliary Dyskinesia Using Nasal Nitric Oxide NCT00739817 | Ziv Hospital | — |
| Unknown | Comparison of On-line and Off-line Measurements of Exhaled Nitric Oxide (NO) NCT00686309 | Ziv Hospital | — |
| Completed | Diagnosis of Primary Ciliary Dyskinesia NCT00783887 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | Inflammatory and Microbiologic Markers in Sputum: Comparing Cystic Fibrosis With Primary Ciliary Dyskinesia NCT01155115 | The Hospital for Sick Children | N/A |
| Completed | Genetic Disorders of Mucociliary Clearance in Nontuberculous Mycobacterial Lung Disease NCT00368446 | National Heart, Lung, and Blood Institute (NHLBI) | — |
| Completed | Evaluating Progression of and Diagnostic Tools for Primary Ciliary Dyskinesia in Children and Adolescents NCT00450918 | University of North Carolina, Chapel Hill | — |
| Completed | Rare Genetic Disorders of the Breathing Airways NCT00323167 | University of North Carolina, Chapel Hill | — |
| Completed | Genetic Study of Patients With Primary Ciliary Dyskinesia NCT00005650 | National Center for Research Resources (NCRR) | — |