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Otomycosis is a fungal infection of the ear that often causes itching, pain, ear discharge, and hearing problems. It is more common in hot and humid climates and in people with risk factors such as diabetes, frequent use of antibiotic ear drops, or swimming in polluted water. Standard treatments include antifungal ear drops, but relapses are frequent.
This study will evaluate the effectiveness of terbinafine hydrochloride cream, an antifungal medication, in treating otomycosis. Terbinafine is known to be active against fungi such as Aspergillus and Candida, which are common causes of ear fungal infections. In this study, patients with otomycosis will have terbinafine hydrochloride cream applied on an ear pack that will be placed in the ear canal and changed every two days for two weeks.
The main goal of the study is to find out whether terbinafine hydrochloride is effective in reducing symptoms and eradicating the fungal infection. Patients will be examined clinically and ear swabs will be tested before and after treatment. The study will be conducted at Assiut University Hospital and Assiut General Hospital in Egypt, and about 50 patients are expected to participate.
Full description
Otomycosis is a common fungal infection of the external auditory canal. It is often associated with itching, ear blockage, tinnitus, pain, and hearing loss. Diagnosis is made clinically and confirmed by the presence of fungal growth on culture. Aspergillus species are the most frequent pathogens, but Candida species are also common.
Terbinafine hydrochloride is an antifungal drug from the allylamine class. It acts by inhibiting squalene epoxidase, an enzyme necessary for fungal cell membrane synthesis. Although terbinafine is not the first-line treatment for otomycosis, laboratory studies have shown it to be effective against Aspergillus and Candida, suggesting a potential role in therapy.
This single-arm, interventional clinical trial will include 50 patients diagnosed with otomycosis. Eligible participants will undergo full history and otoscopic examination. Ear swabs will be obtained before and after treatment for fungal culture. The intervention consists of applying terbinafine hydrochloride cream on an ear pack, which will be inserted into the ear canal. Packs will be replaced every two days for two weeks. Clinical follow-up will be performed at two weeks, and improvement will be assessed both by symptom relief and microbiological eradication.
The primary outcome is the percentage of patients who improve after terbinafine treatment. Secondary outcomes include symptom reduction and treatment safety. Data will be collected and analyzed using SPSS software. This study is approved by the Ethics Committee of the Faculty of Medicine, Assiut University. All patients will provide written informed consent prior to participation.
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Inclusion criteria
Clinical diagnosis of otomycosis (presence of itching, ear discharge, ear canal debris, or fungal mass on otoscopic exam).
Confirmation of fungal infection by direct microscopy (KOH preparation) and/or culture.
Willingness to comply with study procedures and follow-up visits.
Provided written informed consent.
Exclusion criteria
Bacterial otitis externa, mixed bacterial-fungal infection, or chronic suppurative otitis media.
History of ear surgery or tympanic membrane perforation.
Use of systemic or topical antifungal agents within the last 2 weeks.
Known hypersensitivity or allergy to terbinafine or excipients of the study drug.
Immunocompromised patients (e.g., HIV/AIDS, chemotherapy, uncontrolled diabetes mellitus).
Pregnant or breastfeeding women.
Patients unable or unwilling to provide informed consent or adhere to treatment protocol.
Primary purpose
Allocation
Interventional model
Masking
50 participants in 1 patient group
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Central trial contact
Doaa samy abdellatif, MBBCh
Data sourced from clinicaltrials.gov
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