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Intacs Prescription Inserts for Keratoconus Patients

RecruitingNAAges 18 Years - anyAllUniversity of Texas Southwestern Medical Center
NCT02138669 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

The US food and Drug Administration (FDA) originally approved INTACS prescription inserts in April 1999 for the correction of low levels of nearsightedness (-1.00 to -3.00 diopters). Additional clinical data have shown that INTACS are safe for the treatment of keratoconus, in July 2004, FDA approved INTACS inserts for the treatment of keratoconus as a Humanitarian Use Device (FDA approval letter attached). The statute and the implementing regulation of FDA (21 CFR 814.124 (aj) require IRB review and approval before a HUD is used.INTACS prescription inserts are composed of two clear segments, each having an arc length of 150°, they are manufactured form a biomedical material called polymethylmethacrylate (PMMA) and are available in three thicknesses. Two INTACS inserts ranging from 0.250mm to 0.350mm may be implanted depending on the orientation of the cone and the amount of myopia and as

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📋 Eligibility rules (as published)
Inclusion Criteria: Who have experienced a progressive deterioration in their vision, such thot they can no longer achieve adequate functional vision on a daily basis with their contact lenses or spectacles; Who are 21 years of age or older; Who have clear central corneas; Who have a corneal thickness of 450 microns or greater at the proposed incision site; Who have corneal transplantation as the only remaining option to improve their functional vision. Exclusion Criteria: Who have abnormally thin corneas or who have a corneal thickness of 449 microns or less at the proposed incision site; Patients with collagen vascular, autoimmune or immunodeficiency disease; Pregnant or nursing patients; Presence of ocular conditions, such as recurrent corneal erosion syndrome or corneal dystrophy, that my predispose the patient to future complications; Patients who are taking on or more of following medications: isotretinoin (Accutane); amiodarone HCL (Cordarone).
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What it tests

  • Intacs
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Where

1 site
UTSW Medical Center at Dallas
Dallas, United States
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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