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In this study we will aim to determine if cisplatin ototoxicity can be prevented by intratympanic administration of corticosteroids.
Cisplatin is a potent and widely used antineoplastic drug. Ototoxicity is a serious and dose-limiting side effect. The ototoxic effect of cisplatin is characterized by irreversible, progressive, bilateral, high-frequency, sensorineural hearing loss with tinnitus. 60-80% of patients treated show elevations of hearing thresholds and nearly 15% sustain significant hearing handicap. There are currently no clinical interventions that have been shown to prevent cisplatin ototoxicity in humans. Glucocorticoids have significant potential for otoprotection. Glucocorticoids are in use for treatment of a variety of cochlear disorders such as autoimmune inner ear disease, Meniere's disease and sudden sensorineural hearing loss. Intratympanic administration of drugs is a contemporary, safe method of locally treating inner ear disorders, allowing diffusion across the round window into the inner ear. This method achieves much higher steroid levels within the inner ear compared to oral or parenteral routes. Local administration prevents the common systemic side effects of steroids. Previous animal studies have shown protection against cisplatin-induced ototoxicity after intratympanic steroid injection. Asa far as we know, there are yet no studies in humans examining the otoprotective effect of intratympanic steroids in patients treated with cisplatin. In this study we will aim to determine if cisplatin ototoxicity can be prevented by intratympanic administration of corticosteroids.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intra-tympanic steroid injection | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Intra-tympanic Cisplatinum | Drug | Intra-tympanic injection (under local anesthesia) of 0.5cc Methylprednisolone 62.5mg/cc. One injection per ear before each of the 3 cisplatin treatments. After injection the patient will remain with the treated ear upwards for 20 minutes and will try to avoid swallowing as much as possible. |
| Measure | Description | Time Frame |
|---|---|---|
| Post-Treatment change in hearing | change in hearing as a result of cisplatin treatment as assessed by behavioural hearing test and otoacoustic emissions | approximately 1 month from 1st treatment |
| Measure | Description | Time Frame |
|---|---|---|
| Tinnitus | appearence or worsening of tinnitus as a result of cisplatin treatment | 1 month post-treatment |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Peter Gilbey, MD | Contact | 972-50-8434014 | peter.g@ziv.health.gov.il |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ziv Medical Center | Safed | 13100 | Israel |
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| ID | Term |
|---|---|
| D000081015 | Ototoxicity |
| ID | Term |
|---|---|
| D004427 | Ear Diseases |
| D010038 | Otorhinolaryngologic Diseases |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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|
| D064420 | Drug-Related Side Effects and Adverse Reactions |
| D064419 | Chemically-Induced Disorders |
| D011832 | Radiation Injuries |
| D014947 | Wounds and Injuries |