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Failure of the soft palate to reach the posterior pharyngeal wall to close the opening between the oral and nasal cavities. Incomplete velopharyngeal closure is primarily related to surgeries (adenoidectomy; cleft palate) or an incompetent palatopharyngeal sphincter. It is characterized by hypernasal speech.
Features include: Velopharyngeal insufficiency, Cleft palate, and Abnormality of the voice.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Head and neck | 1 | Cleft palate |
Voice | 1 | Abnormality of the voice |
Biomarker and diagnostic research for congenital velopharyngeal incompetence has been reported in the published literature.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
5 clinical trials registered, 3 recruiting. Interventions under study include other interventions, medical devices, and procedural interventions. Pipeline includes 3 NA. Research is primarily sponsored by academic and government institutions.
NCT ID | Title | Phase | Sponsor | Status |
|---|---|---|---|---|
[NCT07301021](https://clinicaltrials.gov/study/NCT07301021) |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 11:56 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Velopharyngeal Insufficiency After Maxillomandibular Advancement Osteotomy in Obstructive Sleep Apnea Patients
— |
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) |
NOT_YET_RECRUITING |
[NCT07264036](https://clinicaltrials.gov/study/NCT07264036) | Velopharyngeal Dysfunction in Head & Neck Cancer Patients, Pilot Study | NA | Vanessa Torrecillas | RECRUITING |
[NCT05838261](https://clinicaltrials.gov/study/NCT05838261) | Prospective Evaluation of Speech Function Through Patient- and Parent-response Outcome Measurements in Velopharyngeal Insufficiency | — | Umeå University | UNKNOWN |
[NCT05492266](https://clinicaltrials.gov/study/NCT05492266) | Expiratory Muscle Strength Training for Hypernasal Speech in Children | NA | Noel Jabbour | RECRUITING |
[NCT06072495](https://clinicaltrials.gov/study/NCT06072495) | Etiological Study of Persistent Velopharyngeal Insufficiency in Children With Operated Velopalatine Cleft by Analysis of Velopharyngeal Motor Skills in Static and Dynamic MRI | NA | Centre Hospitalier Universitaire, Amiens | RECRUITING |
114 publications have been identified in PubMed for congenital velopharyngeal incompetence. Research spans Review / Meta-Analysis (32%), Clinical Trial Publication (27%), and Epidemiology / Natural History (18%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 34 | 32% |
Clinical study results | 28 | 27% |
Disease patterns and progression | 19 | 18% |
Testing and diagnosis research | 9 | 9% |
Patient case studies | 9 | 9% |
Laboratory research | 4 | 4% |
Other research | 1 | 1% |
New treatment approaches | 1 | 1% |
Sankhla SK (2026). [PMID: 41510862](https://pubmed.ncbi.nlm.nih.gov/41510862/). *Neurol India*. [Case Report / Case Series]
Kuniyoshi K (2026). [PMID: 41947835](https://pubmed.ncbi.nlm.nih.gov/41947835/). *J Plast Reconstr Surg*. [Gene Therapy / Novel Therapeutics]
Rossell-Perry P (2026). [PMID: 40892050](https://pubmed.ncbi.nlm.nih.gov/40892050/). *J Craniofac Surg*. [Epidemiology / Natural History]
Shakir S (2026). [PMID: 40665709](https://pubmed.ncbi.nlm.nih.gov/40665709/). *Cleft Palate Craniofac J*. [Clinical Trial Publication]
Munkwitz SE (2026). [PMID: 41773851](https://pubmed.ncbi.nlm.nih.gov/41773851/). *J Craniofac Surg*. [Review / Meta-Analysis]
Dang X (2026). [PMID: 41520495](https://pubmed.ncbi.nlm.nih.gov/41520495/). *Int Dent J*. [Epidemiology / Natural History]
Cordero DM (2026). [PMID: 41876270](https://pubmed.ncbi.nlm.nih.gov/41876270/). *Oral Maxillofac Surg Clin North Am*. [Review / Meta-Analysis]
Bhaskara MC (2026). [PMID: 41739455](https://pubmed.ncbi.nlm.nih.gov/41739455/). *Plast Reconstr Surg*. [Clinical Trial Publication]
Fukuyama S (2026). [PMID: 41576243](https://pubmed.ncbi.nlm.nih.gov/41576243/). *Ann Plast Surg*. [Clinical Trial Publication]
Van Eeden SP (2026). [PMID: 41791204](https://pubmed.ncbi.nlm.nih.gov/41791204/). *J Plast Reconstr Aesthet Surg*. [Epidemiology / Natural History]