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Finding reports of completed clinical trials is a relatively straightforward matter. Searching PubMed by a communication disorder and then narrowing the search to clinical trials reveals several published c linical trials and perhaps Phase I and Phase II studies. A few quick searches of the Cochrane Central Registries of Controlled Trials reveal the following numbers of archived reports.
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Clinical Domain |
Number of Trials |
| Disorders of hearing |
146 |
| Disorders of vestibular function |
34 |
| Disorders of language |
48 |
| Disorders of speech |
75 |
| Disorders of voice |
70 |
Getting a sense for ongoing trials is also reasonably straightforward. For instance, the National Institutes of Health provides a registry of trials funded by NIH. The search term "aphasia" presently finds six ongoing trials.
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