- Conditions
- Presbyphonia
- Interventions
- Creatine monohydrate, Placebo
- Dietary Supplement
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 65 Years to 100 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- New York, New York
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- Conditions
- Presbylarynx, Age-Related Dysphonia
- Interventions
- Voice therapy: respiratory, Voice therapy: glottal closure, Voice therapy: loud, Voice therapy: Semiocclusion
- Behavioral
- Lead sponsor
- University of Arizona
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 220 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2026
- U.S. locations
- 2
- States / cities
- Scottsdale, Arizona • Tucson, Arizona
- Conditions
- Presbylarynx, Atrophy; Larynx, Dysphonia, Vocal Cord Atrophy, Presbylarynges, Vocal Fold Scar, Sulcus Vocalis of Vocal Cord
- Interventions
- Serial PRP injections
- Procedure
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Presbylarynx
- Interventions
- Inspiratory Muscle Strength Training (IMST), Expiratory Muscle Strength Training (EMST), Voice Exercises
- Device · Behavioral
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Presbylarynx, Aspiration, Spasmodic Dysphonia, Globus Pharyngeus, Larynx Paralysis, Laryngeal Disease, Vocal Cord Paralysis, Iatrogenic Injury, Sensory Neuropathy
- Interventions
- Cheung-Bearelly Aesthesiometer, Transnasal Laryngoscopy, Questionnaires
- Device · Procedure · Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- San Francisco, California