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Biofeedback Training clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT04807361 Completed - Myopia Clinical Trials

Assessment of Accommodation Behavior in Children Under Myopia Control Treatment (Pilot Study)

Start date: December 1, 2020
Phase:
Study type: Observational

This study will examine the accommodative behavior in children undergoing myopia control treatments. A subset of children showing reduced accommodation, known to occur in while wearing multifocal soft contact lenses (MFCL) from previous studies, will undergo auditory biofeedback training to improve the accommodative response and possibly improve treatment efficacy. The results of this study will be used to design a larger clinical trial. Aim 1 - The accommodation response in myopic children being treated with MFCL for six months or longer, will be determined. The accommodative response data will be collected while the patients are wearing the MFCL and will be compared to the baseline control response when the subjects wear single vision soft contact lenses (SVCL). Additional comparisons will include accommodative measures in untreated myopic children wearing spectacle corrections (unttreated controls), children being treated with ortho-keratology contact lenses, and children treated with low-dose atropine (0.01%, considered not to affect accommodation). How these additional myopia treatments affect the accommodation response has yet to be determined. Aim 2 - Children treated with MFCL who show reduced accommodative responses will undergo a brief period of auditory biofeedback accommodative training to determine whether the response in children can be improved and how long it can be sustained. Improving the accommodative response in these patients may improve the treatment efficacy by increasing the effect of the positive power addition built into the lenses.