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Surgical Reduction of the Inferior Turbinates for Nasal Obstruction

This study has been terminated.
Information provided by (Responsible Party):
ArthroCare Corporation Identifier:
First received: August 18, 2008
Last updated: August 25, 2015
Last verified: August 2015
The primary goal of this post-marketing surveillance study is to assess whether surgical turbinate reduction performed using a Coblation® device is associated with reduced nasal obstruction symptoms.

Condition Intervention Phase
Chronic Rhinitis Inflammation of the Nasal Mucosa Inflammation of Nasal Tissue Procedure: Surgical turbinate reduction procedure Phase 4

Study Type: Interventional
Study Design: Intervention Model: Single Group Assignment
Masking: Single (Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Surgical Reduction of the Inferior Turbinate Using a Coblation® Device for Treatment of Nasal Obstruction: A Prospective, Multi-center Clinical Study

Further study details as provided by ArthroCare Corporation:

Primary Outcome Measures:
  • Change in nasal obstruction symptoms at 6-weeks post surgery as measured using a validated health-related quality of life questionnaire (SN5) compared to nasal obstruction symptoms measured before surgery using the same questionnaire. [ Time Frame: 6 weeks, 6 months, 12 months ]

Secondary Outcome Measures:
  • Morbidity by determining the frequency, type, and severity of any observed adverse events through 12 months following surgical treatment. [ Time Frame: Through 12 months ]
  • To assess durability of treatment using: a. Self-reported obstructive symptoms measures b. Physical examination measures, d. Blinded evaluation of anterior rhinoscopy images [ Time Frame: 6 weeks, 6 months, 12 months ]

Enrollment: 30
Study Start Date: October 2007
Study Completion Date: October 2012
Primary Completion Date: October 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: I
Surgical turbinate reduction procedure
Procedure: Surgical turbinate reduction procedure
Surgical turbinate reduction using the COBLATION device

Detailed Description:

Chronic rhinitis, or inflammation of the nasal mucosa, is one of the most common causes of nasal obstruction in the pediatric population. Chronic rhinitis may result in mucous gland hypertrophy, engorgement of the vascular system and deposition of collagen in the nasal mucosa. These changes occur most prominently in the inferior turbinate, causing enlargement and nasal obstruction. In children, inferior turbinate hypertrophy is associated with a greater degree of nasal obstruction relative to adults because of their small nasal anatomy.

Cases that do not respond to conservative treatments may be considered for one of many surgical procedures, including turbinate excision, submucosal resection, submucosal cautery, laser treatment, cryosurgery, powered microdebridement, or radiofrequency-based ablation. Clinical studies have shown that bipolar radiofrequency-based plasma (Coblation®) devices are capable of creating focal submucosal lesions with minimal or no damage to structures adjacent to the treated area. At present, however, this technique has not been formally evaluated in children. This study will investigate whether surgical turbinate reduction performed using a Coblation device is associated with reduced nasal obstruction symptoms that has failed to improve with other treatment methodologies.


Ages Eligible for Study:   6 Years to 17 Years   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Patient is >=6 and <=17 years old.
  2. Patient has had symptoms of nasal obstruction for >=6 months.
  3. Patient has nasal obstruction symptoms unresponsive to at least 8 weeks of documented maximum medical management (as described in Section 4.1).
  4. Patient has bilateral hypertrophied inferior turbinates without other abnormalities contributing to nasal obstruction (by nasal evaluation and examination).
  5. Patient and parent /guardian agree to participate in the clinical study and to complete all required visits and evaluations.
  6. Patient (or guardian) must sign IRB approved informed consent form.

Exclusion Criteria:

  1. Patient has clinically significant identifiable structural deformities other than turbinate hypertrophy that may contribute to nasal or upper airway obstruction including:

    1. Septal deviation
    2. Concha bullosa
    3. Enlarged adenoids or tonsils (lingual, palatine, or sphenoid)
    4. Nasal polyps
    5. Nasal valve collapse.
  2. Patient has been diagnosed with obstructive sleep apnea not originating from the turbinates.
  3. Patient has active or chronic upper airway infection that may contribute to nasal obstruction (not including chronic rhinosinusitis).
  4. Patient has active coagulation disorder or patient is receiving anti-coagulants, which cannot be safely stopped for 14 days (7 days prior to surgery and 7 days post-surgery).
  5. Patient has systemic disease affecting the nasal passage(e.g. Wegener's granulomatosis).
  6. Patient is receiving or has received immunotherapy (any type) within 12 months of enrollment.
  7. Patient has a nasal septal perforation.
  8. Patient has had any previous turbinate surgery.
  9. Patient has had any previous nasal surgery.
  10. Patient has had any sinus surgery within 6 months of enrollment.
  11. Patient has had an adenoidectomy within 3 months of enrollment.
  12. Patient is pregnant or potentially pregnant.
  13. Patient or caregiver is incapable of understanding or responding to the study questionnaires.
  14. Patient is participating in another clinical study during the 12 month enrollment period.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00737906

United States, California
Children's Hospital of San Diego
San Diego, California, United States, 92123
United States, Colorado
The Children's Hospital
Aurora, Colorado, United States, 80045
United States, Florida
Center for Pediatric ENT
Boynton Beach, Florida, United States, 33437
United States, Kentucky
Advanced ENT & Allergy
Louisville, Kentucky, United States, 40207
United States, Ohio
Pediatric Otolaryngology Nationwide Children's Hospital
Columbus, Ohio, United States, 43205
Sponsors and Collaborators
ArthroCare Corporation
Principal Investigator: Anthony M Magit, MD Children's Associated Medical Group, San Diego, CA
  More Information

Responsible Party: ArthroCare Corporation Identifier: NCT00737906     History of Changes
Other Study ID Numbers: E-505DHH
Study First Received: August 18, 2008
Last Updated: August 25, 2015

Keywords provided by ArthroCare Corporation:
Chronic rhinitis
Nasal Obstruction
Nasal Obstruction Symptoms
Failed Medical Management for Nasal Obstruction
Inflammation of the nasal mucosa
Pediatric Turbinate reduction
Failed Medical Management for Chronic Sinusitis
Inferior Turbinate Hypertrophy
Bilateral Inferior Turbinate Hypertrophy
Turbinate Hypertrophy
Inferior Turbinate
Bilateral Inferior Turbinate

Additional relevant MeSH terms:
Nasal Obstruction
Pathologic Processes
Nose Diseases
Respiratory Tract Diseases
Respiratory Tract Infections
Otorhinolaryngologic Diseases
Airway Obstruction
Respiratory Insufficiency
Respiration Disorders processed this record on August 18, 2017