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N/A N=100 Randomized Double-blind Prevention

No Post Intubation Laryngeal Symptoms

Sore-throat · Dysphonia · Dysphagia · Intubation Complication · Anesthesia Intubation Complication

Enrolled (actual)
100
Serious AEs
0.0%
Results posted
Sep 2025
Primary outcome: Primary: Sore Throat on a Scale From 0 (no Sore Throat) to 10 (Worst Possible Sore Throat) — 1.85; 1.9; 1.1; 1.62 score on a scale — p=0.03

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
EndoClip (Device)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
University of California, San Diego
Primary completion
Sep 2023

Outcome Measures

OutcomeResultp-value
PRIMARY
Sore Throat on a Scale From 0 (no Sore Throat) to 10 (Worst Possible Sore Throat)
1.85; 1.9; 1.1; 1.62; 0.53; 1.12 0.03 sig
PRIMARY
Change in Voice on a Scale From 0 (no Voice Change) to 10 (Most Severe Voice Change)
1.87; 2.21; 1.13; 1.30; 0.59; 0.83 0.18
PRIMARY
Difficulty Swallowing on a Scale From 0 (no Difficulty Swallowing) to 10 (Complete Inability to Swallow)
1.04; 1.21; 0.58; 1.13; 0.20; 0.94 0.007 sig
PRIMARY
Pain in the Mouth on a Scale From 0 (no Mouth Pain) to 10 (Worst Possible Mouth Pain)
0.07; 0.42; 0.06; 0.28; 0.04; 0.27 0.03 sig
PRIMARY
Difficulty Talking on a Scale From 0 (no Difficulty Talking) to 10 (Complete Inability to Talk)
0.87; 1.09; 0.35; 0.96; 0.29; 0.61 0.04 sig
PRIMARY
Pain in the Neck/Chest on a Scale From 0 (no Neck/Chest Pain) to 10 (Worst Possible Neck/Chest Pain)
0.37; 0.77; 0.25; 0.68; 0.16; 0.71 0.02 sig
PRIMARY
Patients With Post Operative Mouth Pain
6; 24 <0.001 sig
PRIMARY
Patients With Post Operative Sore Throat
65; 82 0.007 sig
PRIMARY
Patients With Post Operative Neck/Chest Pain
16; 35 <0.001 sig
PRIMARY
Patients With Post Operative Voice Change
66; 67 0.39
PRIMARY
Patients With Post Operative Difficulty Talking
24; 49 <0.001 sig
PRIMARY
Patients With Post Operative Difficulty Swallowing
31; 60 <0.001 sig

Summary

The purpose of the study is to test a novel endotracheal tube support device that reduces pressure of the tube on the voice box for prevention of post intubation laryngeal symptoms including sore throat, change in voice and trouble swallowing.

Eligibility Criteria

Inclusion Criteria

  • Patient undergoing general endotracheal anesthesia with an endotracheal tube
  • Patient is not undergoing a procedure in the head and neck region

Exclusion Criteria

  • Patient with pre-existing severe sore throat, voice change, or trouble swallowing
  • Patient undergoing surgery in the head and neck region
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT05383417). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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