Hearing Loss Clinical Trial
Official title:
Randomized, Placebo-Controlled Evaluation of Chlorobutanol, Potassium Carbonate, and Irrigation in Cerumen Removal
Accumulation of cerumen in the external ear canal is a common problem. The presence of
cerumen not only interferes with the clinician's view of the tympanic membrane, but may also
result in hearing loss and vertigo, and may predispose to ear infections.
Removal of cerumen is facilitated by the use of a variety of ceruminolytics, or wax
solvents. The current study was designed to evaluate the ceruminolytic effects of a single,
brief application of the two most frequently used products in the investigators area,
containing chlorobutanol or potassium carbonate with or without irrigation in the primary
care setting in a randomized, single-blind trial. To our knowledge, this is the first
randomized study comparing ceruminolytics with chlorobutanol versus potassium carbonate.
INTERVENTIONS: Subjects were randomly assigned to one of three different treatments: Otocerum®; Taponoto ®, and a control group with sterile saline solution (NaCl 0.9%, Braun Medical SA, Barcelona, Spain). The test medication was instilled into an occluded ear for 15 minutes. Following this treatment, the subject's ear was irrigated with 50 mL of water. The main outcome was the proportion of tympanic membranes that were completely visualized after cerumenolytic agents or saline, alone or with irrigation if needed. ;
Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment
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