Surgery Clinical Trial - Effect of Chitodex Gel in Tympanoplasty Surgery

Status Recruiting

Clinical Trial Summary

Clinical Trial Description

The general purpose of this study is to compare Chitosan-dextran (Chitodex) gel versus current standard of care, Gelfoam, as a middle ear (ME) and external auditory canal (EAC) packing agent as part of tympanoplasty procedures to close tympanic membrane perforations (TMP). The investigators aim to compare the success rates of tympanoplasty surgery between the two products. The ultimate goal is to identify the ME packing agent-of-choice to ensure TMP closure as well as minimal inflammation of the middle ear mucosa. The most critical measure of success during tympanoplasty surgery is the closure of a chronic, pre-existing TMP. As such, the primary outcome will be a measure of tympanic membrane closure. This is performed under direct vision during routine post-operative surveillance via the use of either a hand-held otoscope or an operating otologic microscope. The investigators will perform this check at 4 distinct time-points: 2 and 6 weeks post-op, 3 months post-op and 6 months post-op. Chitosan-dextran gel is packaged within a syringe and has a cannula attached, much like the Gelfoam syringe system. Approx 3-5mL of product is applied during the surgery. Approx 2mL into the middle ear, as a support material for the graft. After graft suturing is complete, another 3mL (approx) is applied into the external ear canal as a packing agent. This is the same procedure as Gelfoam is currently used for this purpose. The surgeon will administer the gel during the surgery as they would with the standard of care Gelfoam. The product comes in a sterile kit to be opened by Scrub Nurse. Fidelity of the interventions is measured in several ways by the surgeon at the end of the operation. A good seal for the graft is always assessed for by the surgeon prior to completing any tympanoplasty. This is determined via any evidence of air escape from the middle ear when palpating the tympanic membrane and graft at the end of the procedure. A good seal indicates a well-positioned graft. The surgeon's operative notes will indicate this. The investigators will also obtain endoscopic images and videos at the end of procedure to assess positioning of the graft. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06260618
Study type	Interventional
Source	Central Adelaide Local Health Network Incorporated
Contact	Prof Peter-John Wormald, MD,
Phone	+61 8 82227158
Email	pjwormald@gmail.com
Status	Recruiting
Phase	N/A
Start date	November 20, 2021
Completion date	May 13, 2024

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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.