Simple blade measurements could ease breathing tube placement for Jaw-Stiffness patients
NCT ID NCT02639897
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how a standard laryngoscope blade (Macintosh) works during breathing tube placement in 100 adults with normal mouth opening. The goal is to gather measurements that may later help doctors manage patients with restricted mouth opening from submucous fibrosis. Researchers hope to reduce surgery cancellations and complications by refining conventional techniques.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could help doctors use standard equipment to manage airways in patients with limited mouth opening, reducing surgery delays and costs.
- What could go wrong
- This is an early observational study with only 100 participants, so results may not apply to all patients. It does not test a new treatment or device.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients scheduled for surgery under general anaesthesia with airway control by direct laryngoscopy and tracheal intubation
- Ages
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20 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Consenting adults 2. Both gender 3. Age: 20-65 years 4. Normal preoperative upper airway evaluation and without the presence of anticipated airway access difficulty 5. Patients scheduled for surgery under general anaesthesia with airway control by direct laryngoscopy and tracheal intubation Exclusion Criteria: 1. Patient refusal 2. Anticipated airway access difficulty 3. Edentulous patients 4. Patients with dental problem (missing tooth, overlap, cosmetic treatment) 5. Vulnerable Patients: High risk situation, major surgery, extremes of age, obstetric patients 6. Previously difficult airway
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Sir Ganga Ram Hospital
New Delhi, 110060, India