Clinical trials: Phonation Disorder, active
Functional Dysphonia, Resonance Tube Voice Therapy
Management of Non-Organic Dysphonia in Adults.
The purpose of this study is to determine the effect of a semi-occluded vocal tract training program, "Resonant Tube Therapy," versus the "Traditional Smith-accent Method" on the quality of voice in patients with Non-Organic…
- Conditions
- Functional Dysphonia, Resonance Tube Voice Therapy, Smith Accent Method Therapy
- Trial name
- NCT06856785
- Testing
- Resonance Tube Voice Therapy in Water
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Sohag University
Crohn Disease, Ulcerative Colitis
Safety and Efficacy of Fecal Microbiota Transplantation
The gut microbiota is critical to health and functions with a level of complexity comparable to that of an organ system. Dysbiosis, or alterations of this gut microbiota ecology, have been implicated in a number of disease…
- Conditions
- Crohn Disease, Ulcerative Colitis, Celiac Disease, Irritable Bowel Syndrome
- Trial name
- NCT04014413
- Testing
- Fecal Microbiota Transplantation
- Where
- Hong Kong
- Volunteers
- 450 people
- Sponsor
- Chinese University of Hong Kong
Voice Disorder Due to Iatrogenic Factor, Endotracheal Intubation During Surgery
Objective and Perceptual Characteristics of the Voice After Endotracheal Intubation in Head and Neck Surgery
Introduction: Possible consequences of endotracheal intubation are post-intubation voice changes. Hypothesis: Endotracheal intubation during head and neck surgery is associated with objective and perceptual voice disorders.
- Conditions
- Voice Disorder Due to Iatrogenic Factor, Endotracheal Intubation During Surgery, Thyroid Surgery, Head and Neck Surgery
- Trial name
- VOICE (NCT07131800)
- Where
- Croatia
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Clinical Hospital Centre Zagreb
Pelvic Floor Dyssynergia, Phonation Disorder
Dynamics of Pelvic Floor Muscles With Different Phonation Patterns Among Female Students
The purpose of the study is to know if there is relation between the dynamics of pelvic floor muscles and different phonation pattern.
- Trial name
- NCT06716268
- Testing
- phonation and respiratory tasks
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Voice Disorders, Vocal Fold Polyp
Project 4: Ambulatory Biofeedback and Voice Therapy for Patients With Vocal Hyperfunction
Vocal hyperfunction (VH) is the most commonly treated class of voice disorders by speech-language pathologists and voice therapy is the primary curative treatment.
- Conditions
- Voice Disorders, Vocal Fold Polyp, Vocal Nodules in Adults, Muscle Tension Dysphonia
- Trial name
- NCT05970562
- Testing
- Ambulatory Voice Monitoring with Biofeedback (AVM-B), Conversation Training Therapy
- Where
- 2 sites in United States
- Volunteers
- 100 people
- Sponsor
- Massachusetts General Hospital
Appendicitis Acute, Postoperative Sore Throat, Cough, Hoarseness
Effect of Endotracheal Tube Cuff Pressure Management on Postoperative Sore Throat in Pediatric Laparoscopic Appendectomy
Abstract Objective: The aim of this study is to compare two different ways of adjusting the air-filled cushion (cuff) of the breathing tube used during general anesthesia in children undergoing laparoscopic appendectomy (closed…
- Conditions
- Appendicitis Acute, Postoperative Sore Throat, Cough, Hoarseness, Airway Complications, Respiratory Complications
- Trial name
- NCT07678086
- Testing
- Pressure Transducer, Traditional Palpation Method
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Ankara Etlik City Hospital
Cough, Vocal Cord Atrophy
Usefulness and Feasibility of Ultrasound in Office Laryngology Procedures
Investigators will assess the usefulness of using ultrasound in office procedures for laryngology interventions. Participants who qualify will be adults who are undergoing superior laryngeal nerve block, injection laryngoplasty…
- Conditions
- Cough, Vocal Cord Atrophy, Vocal Cord Paresis, Vocal Cord Paralysis
- Trial name
- NCT06579989
- Testing
- Ultrasound for cough, Ultrasound for vocal fold atrophy or vocal fold paresis/paralysis, Ultrasound for dysphagia
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Pain, Anxiety
Active vs. Passive VR During Office-based ENT Procedures
The purpose of this research is to evaluate whether active virtual reality reduces pain and anxiety more effectively than passive virtual reality during office-based ENT procedures.
- Conditions
- Pain, Anxiety, Chronic Rhinosinusitis (CRS), Nasal Obstruction
- Trial name
- NCT07599826
- Testing
- Passive virtual reality headset or goggles, Active virtual reality headset or goggles
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Cedars-Sinai Medical Center
Postoperative Sore Throat, Hoarseness
A Randomized, Comparative, Controlled Study of Differences in the Incidence of Postoperative Sore Throat (POST) by Inner Diameter Size of the TaperGuardTM Endotracheal Tube (ETT)
Postoperative sore throat (POST) is a common complication following general anesthesia involving endotracheal intubation, often leading to decreased patient satisfaction.
- Trial name
- NCT07511998
- Testing
- TaperGuard™ Endotracheal Tube
- Where
- South Korea
- Volunteers
- 246 people
- Sponsor
- Kyungpook National University Chilgok Hospital
Prevention of Voice Disorders in Professional Voice Users, Treatment of Functional Voice Disorders in Professional Voice Users
Efficacy of Flow Ball Phonation in Professional Voice Users
The aim of this study is to investigate the effects of flow ball phonation on the voice of professional voice users and elite vocal performers, both with and without functional voice disorders.
- Trial name
- NCT06960772
- Testing
- Flow Ball Intervention, Straw Phonation Intervention
- Where
- Belgium
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- University Ghent
Laryngeal Dystonia, Focal Dystonia
Effects of Neuromodulation in Laryngeal Dystonia
Laryngeal dystonia (LD) causes excessive vocal fold abduction (opening) or adduction (closing) leading to decreased voice quality, job prospects, self-worth and quality of life.
- Trial name
- NCT05095740
- Testing
- repetitive transcranial magnetic stimulation (rTMS)
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- MGH Institute of Health Professions
Laryngeal Dystonia, Adductor Spastic Dysphonia of Dystonia
Deep Brain Stimulation for Laryngeal Dystonia: From Mechanism to Optimal Application
Deep Brain Stimulation (DBS) is a neurosurgical procedure used to treat tremors, and dystonia. This study will enroll people who have a form of focal dystonia that affects their vocal cords called Adductor Laryngeal dystonia…
- Trial name
- NCT05506085
- Testing
- Deep Brain Stimulation
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Indiana University
Voice Disorders, Voice Fatigue
Brain and Voice Signatures in Teachers
Primary muscle tension dysphonia voice disorder with symptoms of vocal strain and vocal fatigue is common and can have a significant negative impact on quality of Life.
- Trial name
- BRAVO1 (NCT06126627)
- Testing
- Stress induction
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bonn
Spasmodic Dysphonia, Singer's Dystonia
Brain Networks in Dystonia
To date, there is only limited knowledge about the distinct neural abnormalities that lead to the development of different forms of focal dystonia.
- Conditions
- Spasmodic Dysphonia, Singer's Dystonia, Writer's Cramp, Musician's Focal Hand Dystonia
- Trial name
- NCT03042962
- Testing
- MRI, Blood draw
- Where
- United States
- Volunteers
- 141 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Transcutaneous Vagal Nerve Stimulation (tVNS), Parkinson Disease (PD)
Effects of Transcutaneous Vagus Nerve Stimulation in Parkinson´s Disease
This study aims to determine whether electrical stimulation of the ear, when combined with physical and speech therapy, can improve symptoms in subjects diagnosed with Parkinson´s disease, by comparing two different application…
- Trial name
- tVNS_PD (NCT07588191)
- Testing
- Transcutaneous Electrical Nerve Stimulation (TENS) of Vagus Nerve, Conventional Physical therapy, Conventional Speech Therapy
- Where
- Spain
- Volunteers
- 46 people
- Sponsor
- Universidade da Coruña
Voice Fatigue, Voice Disorder
"Effects of EMST and Triflo on Voice Parameters and Vocal Fatigue"
A healthy voice is essential for meeting professional and communicative demands, particularly for professional voice users such as academics, who are at increased risk of voice disorders due to prolonged and intensive voice use…
- Conditions
- Voice Fatigue, Voice Disorder, Academic Voice Use and Voice Fatigue, Academician's Risk of Developing Voice Disorder
- Trial name
- NCT07371351
- Testing
- Triflo, EMST
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Medipol University
Gastric Cancer, Hepatic Carcinoma
Laryngopharyngeal Injury After Endotracheal Intubation Under General Anesthesia
This study retrospectively analyzed patients who underwent tracheal intubation under general anesthesia at the First Affiliated Hospital of Zhejiang University School of Medicine between October 1, 2015, and September 30, 2025…
- Conditions
- Gastric Cancer, Hepatic Carcinoma, Pulmonary Carcinoma, Pancreatic Carcinoma
- Trial name
- NCT07359586
- Where
- 2 sites in China
- Volunteers
- 1,200 people
- Sponsor
- Zhejiang University
Velopharyngeal Insufficiency
Effect of Velopharyngeal Gap Size on Laryngeal Morphology and Vocal Function in Children With VPI
Speech production relies on the precise coordination of the respiratory, phonatory, resonatory, and articulatory systems . The velopharyngeal mechanism is essential in separating the oral and nasal cavities during speech and…
- Trial name
- NCT07832812
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Assiut University
Laryngeal Dystonia, Spasmodic Dysphonia
Understanding Disorder-specific Neural Pathophysiology in Laryngeal Dystonia and Voice Tremor
The researchers will examine functional neural correlates that differentiate between laryngeal dystonia and voice tremor and contribute to disorder-specific pathophysiology using a cross-disciplinary approach of multimodal brain…
- Conditions
- Laryngeal Dystonia, Spasmodic Dysphonia, Tremor
- Trial name
- NCT05216770
- Testing
- Brain imaging, Laryngeal sensory block with topical bupivacaine
- Where
- United States
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Dysarthria, Acquired Brain Injury
ACURES: Acoustic and Respiratory Parameters for Dysarthria Assessment
The goal of this observational study is to describe speech and breathing patterns in adults after acquired brain injury (ABI) and understand how these patterns relate to the presence, severity, and type of dysarthria.
- Trial name
- ACURES (NCT07435155)
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- University of Salamanca