Medical Rhinoplasty: Evaluation of the Efficacy of Hyaluronic Acid in

Status Withdrawn

Clinical Trial Summary

Nasal obstruction is a possible complication of rhinoplasty surgery. Several causes can explain it: deviation of the nasal septum, appearance of mucosal flanges inside the nasal cavity, but also collapse of the internal valve by its fragility. All surgeons performing rhinoplasty or rhinoseptoplasty are unfortunately confronted with this. Thus, when a rhinoplasty patient complains of postoperative nasal obstruction, the surgeon routinely performs several explorations: - Inspection of the nasal cavity with a nasofibroscope - Study of the nasal respiratory flows with a rhinomanometer The results of these 2 explorations allow to determine the cause of the obstruction and if it is explained or not by a collapse of the internal valve. When internal valve collapse is the cause of postoperative nasal obstruction, few alternatives exist to treat this problem. Revision surgery under general anesthesia is usually necessary, with placement of a cartilage graft (= spreader graft) in the septo-triangular angle to reopen and support it. An alternative treatment is the injection of hyaluronic acid into the septo-triangular angle instead of the cartilage graft placed in the operating room. This option has several advantages: it is performed during the consultation, no general anesthesia is required, the procedure is quick, the cost is much lower, the patient's nasal breathing improves immediately, and the post-procedure follow-up is simple. The aim of our study is therefore to objectively analyze the modification of nasal biomechanics after injection of hyaluronic acid in the septo-triangular angle in patients with internal nasal valve (post (septo)-rhinoplasty). This objective evaluation will be performed with a rhinomanometer, before and after injection. This is a simple, non-invasive measuring device that allows the measurement of the main physical variables governing the biomechanics of the fluids inside the nasal cavity, such as pressure, flow and therefore nasal resistance. The objective proof of such an efficiency will allow a better management of the patients, to universalize the practices, to decrease the cost of the treatment and eventually to bring arguments to the health authorities for the reimbursement of such procedures.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Nasal Obstruction

Clinical Trial Details

NCT number	NCT05134831
Study type	Observational
Source	Hospices Civils de Lyon
Contact
Status	Withdrawn
Phase
Start date	April 1, 2023
Completion date	December 1, 2023

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Medical Rhinoplasty: Evaluation of the Efficacy of Hyaluronic Acid in the Treatment of Internal Nasal Valves. — Rhinomedifon

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms