Study of Low Level Laser Therapy and Word Recognition in Hearing Impaired Individuals

Completed · Not applicable · Has a placebo group

Conditions studied: Sensorineural Hearing Loss

In brief

The purpose of this clinical study is to determine the effectiveness of low level laser light therapy when applied around the head and ears in improving unaided word recognition in ears with sensorineural hearing loss.

Key facts

Study ID

NCT00787189

Run by

Erchonia Corporation

People needed

80

Starts

2007-08-01

Expected to finish

2008-06-01

Last updated by the study team

2021-05-28

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Sensorineural hearing loss.
• Mild or greater degree.
• Adult onset.
• Gradual onset.
• Hearing loss stable over past 12 months.
• Etiology of presbyacusis or noise-induced hearing loss.
• Unaided word recognition score between 28% and 86%.
• English as primary spoken language.
• Willing and able to abstain from other treatments or medications to improve hearing ability.
• Willing and able to abstain from work or other activities that involve loud noise exposure.

You may not qualify if…

• Central auditory processing disorder.
• Active/recurrent middle ear infection.
• Meniere's disease.
• Tympanic membrane perforation/tubes.
• Cochlear implant.
• Removal of acoustic neuroma.
• Hyperacusis/misphonia.
• Photosensitivity disorder.
• Active infection/wound in head/ear region.
• Pregnant/lactating.
• Serious mental health illness.
• Significant developmental disability/cognitive impairment.
• History of drug/alcohol abuse.
• Involvement in litigation/worker's compensation/disability benefits for hearing loss.
• Other research participation in past 90 days.
• Use of ototoxic medications known to cause temporary or permanent hearing loss.

Where it is running

• McDonald Hearing Centers — Sacramento, California, United States

Full record on ClinicalTrials.gov

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