| Not Yet Recruiting | A Personalized Voice Restoration Device for Patients With Laryngectomy NCT05479643 | Weill Medical College of Cornell University | N/A |
| Not Yet Recruiting | Usefulness and Feasibility of Ultrasound in Office Laryngology Procedures NCT06579989 | Weill Medical College of Cornell University | N/A |
| Not Yet Recruiting | PhoRTE® Therapy Efficacy: In-Person Versus Telehealth NCT06934265 | University of Southern California | N/A |
| Recruiting | Deconstructing Voice Therapy: Towards Enhanced Communication Outcomes NCT07176988 | Emory University | N/A |
| Recruiting | The Mechanism Versus PPI Trial NCT06999577 | University of California, San Diego | Phase 4 |
| Withdrawn | The Effects of Adding Expiratory Muscle Strength Training in Voice Therapy NCT03692494 | University of Miami | N/A |
| Recruiting | Characterization of "Bamboo" and Other Vocal Cord Lesions Responsible for Dysphonia in Patients With Systemic NCT06779799 | University Hospital, Brest | — |
| Withdrawn | Voice and Swallowing Disorders in Adults With and Without Alzheimer's Disease NCT06328374 | Vanderbilt University Medical Center | — |
| Recruiting | Translaryngeal Vibration for Hyperfunctional Voice Disorders NCT07145086 | Texas Christian University | Phase 3 |
| Unknown | Investigation of the Effectiveness of Group Voice Therapy in Children NCT06124053 | Hacettepe University | N/A |
| Completed | Assessing the Effects of Patient Self-Rating of Voice Quality on Voice Therapy Attendance and Outcomes NCT05237648 | NYU Langone Health | N/A |
| Completed | No Post Intubation Laryngeal Symptoms NCT05383417 | University of California, San Diego | N/A |
| Recruiting | Clinical Validation of DystoniaNet Deep Learning Platform for Diagnosis of Isolated Dystonia NCT05317390 | Massachusetts Eye and Ear Infirmary | N/A |
| Completed | Relationship Between Dysphonia And Anxiety In Fibromyalgia NCT05410756 | Umraniye Education and Research Hospital | — |
| Unknown | Behavioral Abnormalities in Dysphonic Children NCT05264961 | Sohag University | N/A |
| Unknown | Artificial Intelligence and Benign Lesions of Vocal Folds Recognition NCT05754606 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Completed | Computational Cranial and Cervical Muscle Network in Normal and Disordered Voice NCT04713033 | NYU Langone Health | — |
| Unknown | Reversal of Botulinum Neurotoxin Injection Related Dysphonia With Pyridostigmine NCT05110417 | Eastern Virginia Medical School | Phase 4 |
| Completed | A Study of Local Administration of Autologous Mesenchymal Stromal Cells in Dysphonic Patients With Vocal Fold NCT04290182 | Karolinska University Hospital | Phase 1 / Phase 2 |
| Terminated | The Effect of IV NSAID's and Corticosteroids on Dysphasia and Dysphonia Following ASDF NCT04650893 | University of Nebraska | Phase 3 |
| Completed | Evaluating the Feasibility of Acapella® Choice as a Dysphonia Treatment NCT04764604 | University College, London | N/A |
| Completed | Tracheal Tube Cuff Shape and Pressure NCT04591769 | Taipei Veterans General Hospital, Taiwan | N/A |
| Completed | Dysphagia and Dysphonia Outcomes in SARS CoV-2 (COVID-19) Infection (DYADS Study) NCT04584658 | Cambridge University Hospitals NHS Foundation Trust | — |
| Completed | Efficacy of Kinesio Taping on Mutational Falsetto NCT04729660 | Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | N/A |
| Completed | Silk Protein Microparticle-based Filler for Injection Augmentation NCT03790956 | University of Southern California | N/A |
| Completed | Serial Platelet-Rich Plasma Injections for Vocal Fold Atrophy, Scar, and/or Sulcus Vocalis NCT03749863 | University of Southern California | N/A |
| Completed | Effect of Semi-occluded Vocal Tract Therapy on the Phonation of Children With Vocal Fold Nodules NCT05878197 | University Hospital, Ghent | N/A |
| Unknown | The Use of Osteopathic Medical Manipulation to Decrease the Incidence and Severity of Post-Operative Sore Thro NCT03720301 | Brooke Army Medical Center | N/A |
| Unknown | BOTOX® Drug Use Investigation (Spasmodic Dysphonia) NCT03543150 | GlaxoSmithKline | — |
| Unknown | Correlation Between (PV-RQOL), The Auditory Perceptual Assessment and Acoustic Analysis of Voice in Dysphonic NCT03261141 | Assiut University | — |
| Completed | Initial Increase in Cuff Pressure in Anterior Cervical Spinal Surgery NCT03240042 | Taipei Veterans General Hospital, Taiwan | N/A |
| Completed | Comparing Telepractice and Conventional Face-to-face Voice Therapy NCT02922309 | Far Eastern Memorial Hospital | N/A |
| Unknown | Prophylactic Racemic Epinephrine in Anterior Cervical Discectomy and Fusion NCT02724761 | Andrew Chung | N/A |
| Completed | Dysphonia, Distress, and Perceived Control: Technology Based Assessment and Intervention NCT03576365 | University of Minnesota | N/A |
| Completed | Innovative Treatment for Scarred Vocal Cords by Local Injection of Autologous Stromal Vascular Fraction NCT02622464 | Assistance Publique Hopitaux De Marseille | N/A |
| Completed | Intensive Versus Traditional Voice Therapy NCT03129880 | University of Wisconsin, Madison | N/A |
| Completed | Effects of External Vibration on Voice Quality in Muscle Tension Dysphonia Patients and Classically Trained Si NCT02083341 | Unity Health Toronto | N/A |
| Completed | Study of Speech Disorders , Voice and Swallowing in Primary Dystonia Oromandibular NCT03380676 | University Hospital, Lille | — |
| Completed | Investigation of the Role of Steroids in Enhancing Voice Therapy Outcomes NCT02286960 | NYU Langone Health | Phase 4 |
| Completed | LMA Cuff Pressure and LMA-induced Complications NCT01385969 | Mayo Clinic | — |
| Completed | Comprehensive Voice Rehabilitation Program Compared With Vocal Function Exercises NCT02409758 | Federal University of São Paulo | EARLY_Phase 1 |
| Completed | Voice and Swallowing Outcomes Following Revision Anterior Cervical Spine Surgery NCT01017055 | University of Alabama at Birmingham | — |
| Terminated | Dietary Control Alone Versus Dietary Control Plus Use of Proton Pump Inhibitors to Treat Pediatric Hoarseness NCT00637416 | University of Kansas Medical Center | Phase 4 |