| Recruiting | Connect-One: Early Feasibility Study of Connexus® Brain-Computer Interface (BCI) NCT07357428 | Paradromics | N/A |
| Recruiting | Chinese-Specific Speech Imagery Coding Using High-Density ECoG NCT07460037 | Second Affiliated Hospital, School of Medicine, Zhejiang University | N/A |
| Recruiting | ACURES: Acoustic and Respiratory Parameters for Dysarthria Assessment NCT07435155 | University of Salamanca | — |
| Active Not Recruiting | Development of Dual Language (Urdu and English) Digital Software for SA, Management Of Adult Dysarthria NCT07129291 | Superior University | N/A |
| Recruiting | Speech and Arm Combined Exergame NCT06817941 | Rutgers, The State University of New Jersey | N/A |
| Unknown | Lateral Cord Magnetic Stimulation For Refractory Spastic Cerebral Palsy NCT03676439 | Sociedad Argenttina de Neuromodulación | Phase 2 / Phase 3 |
| Recruiting | Dysarthria Management for Minor Groups NCT06593860 | Florida State University | N/A |
| Recruiting | Feasibility of the BrainGate2 Neural Interface System in Persons With Tetraplegia NCT05724173 | Leigh R. Hochberg, MD, PhD. | N/A |
| Recruiting | Feasibility of the BrainGate2 Neural Interface System in Persons With Tetraplegia (BG-Speech-02) NCT06094205 | Leigh R. Hochberg, MD, PhD. | N/A |
| Active Not Recruiting | INcorporating VoIce AcTivated Communication Aids Into Everyday Communication NCT05859438 | University of Sheffield | N/A |
| Recruiting | Cognitive Reserve and Response to Speech-Language Intervention in Bilingual Speakers With Primary Progressive NCT05741853 | University of Texas at Austin | N/A |
| Completed | Application of Ideal Binary Masking to Disordered Speech NCT05244603 | Utah State University | N/A |
| Completed | Perceptual Training to Improve Listeners' Ability to Understand Speech Produced by Individuals With Dysarthria NCT04897711 | Utah State University | N/A |
| Completed | Non-invasive Brain Stimulation to Enhance Treatment of Dysarthria Post-stroke NCT04780230 | The Hong Kong Polytechnic University | N/A |
| Unknown | Subthalamic Nucleus Deep Brain Stimulation in Speech Study NCT05493670 | Jeremy Greenlee | — |
| Unknown | Speech Motor Treatment in Cerebral Palsy NCT04189159 | IRCCS Fondazione Stella Maris | N/A |
| Active Not Recruiting | The Role of Cerebellum in Speech NCT03972202 | University of California, San Francisco | N/A |
| Unknown | MORbidity PRevalence Estimate In StrokE NCT03605381 | Aneurin Bevan University Health Board | — |
| Withdrawn | Laryngeal Adaptation for Speech and Swallowing NCT03770377 | University of Florida | N/A |
| Recruiting | Changes in Neuroplasticity Following Intensive Rehabilitation of Aphasia and/or Apraxia of Speech NCT04604444 | Karolinska Institutet | N/A |
| Completed | Non-invasive Brain Stimulation as a Treatment for Dysarthria Post-stroke NCT05497362 | The University of Hong Kong | N/A |
| Completed | Evaluating the Efficacy of Opti-Speech for Speech Treatment NCT02705326 | Vulintus, Inc. | N/A |
| Unknown | A Comparison of Voice Amplifiers and Personal Communication Systems in Individuals With Parkinson's Disease NCT02407067 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | N/A |
| Withdrawn | Characterization of the Profile of Dysarthria in Huntington's Disease, Using the Clinical Evaluation Battery o NCT03142217 | Centre Hospitalier Universitaire, Amiens | N/A |
| Completed | Study of Speech Disorders , Voice and Swallowing in Primary Dystonia Oromandibular NCT03380676 | University Hospital, Lille | — |
| Completed | Intensive Dysarthria Sessions in Adults and Children With Down Syndrome NCT01684670 | Duke University | N/A |
| Unknown | Dysarthria in Parkinson's Disease: Lusophony vs. Francophony Comparison NCT02753192 | Centre National de la Recherche Scientifique, France | N/A |
| Completed | Improve Speech Using an In-the-ear Device in Parkinson's Disease NCT00488657 | Rush University Medical Center | Phase 1 |
| Completed | Efficacy of Voice Treatment for Parkinson's Disease NCT00123084 | University of Colorado, Boulder | N/A |