Neurotrophic Keratitis — Topical Insulin Drops for the Treatment of Neurotrophic Keratopathy.
Citation(s)
Bastion ML, Ling KP Topical insulin for healing of diabetic epithelial defects?: A retrospective review of corneal debridement during vitreoretinal surgery in Malaysian patients. Med J Malaysia. 2013 Jun;68(3):208-16.
Fai S, Ahem A, Mustapha M, Mohd Noh UK, Bastion MC Randomized Controlled Trial of Topical Insulin for Healing Corneal Epithelial Defects Induced During Vitreoretinal Surgery in Diabetics. Asia Pac J Ophthalmol (Phila). 2017 Sep-Oct;6(5):418-424. doi: 10.22608/APO.201780. Epub 2017 Aug 22.
Galvis V, Nino CA, Tello A, Grice JM, Gomez MA Topical insulin in neurotrophic keratopathy after resection of acoustic neuroma. Arch Soc Esp Oftalmol (Engl Ed). 2019 Feb;94(2):100-104. doi: 10.1016/j.oftal.2018.06.003. Epub 2018 Jul 17. English, Spanish.
Tong CM, Iovieno A, Yeung SN Topical insulin for neurotrophic corneal ulcers. Can J Ophthalmol. 2020 Oct;55(5):e170-e172. doi: 10.1016/j.jcjo.2020.04.001. Epub 2020 May 13. No abstract available.
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
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.