Pterygium is a disease associated with proliferation of the fibrovascular tissues of the conjunctiva into the cornea and is related to factors such as ultraviolet light exposure, chronic stimulation, inflammation, climate, and genetics.
The first line of treatment for primary pterygium is surgical excision, and despite postoperative adjuvant therapy using mitomycin C, cyclosporine, β-irradiation, argon laser, and bevacizumab, recurrence rates remain high . Mitomycin C is a metabolic inhibitor extracted from Streptomyces caespitosus that inhibits DNA synthesis . Cyclosporine is an immunosuppressant that selectively suppresses T-helper cells, controls interleukin synthesis and secretion, and inhibits vascular endothelial growth factor (VEGF) Bevacizumab is an anti-VEGF antibody that inhibits angiogenesis. Each agent has been studied as an adjuvant therapy to inhibit post-surgery pterygium recurrence.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
57
Comparing the effect of Mitomycin C versus Cyclosporine after primary pterygium surgery
Faculty of Medicine, Menoufia University
Shibīn al Kawm, Egypt
Post Operative recurrence of pterygium
According to the anterior segment slit lamp examination, grade 0 will be defined as no recurrence; grade 1 will be defined as thin episcleral blood vessels, not accompanied by fibrosis, observed around the excised area; grade 2 will be defined as fibrovascular proliferation limited to the sclera in the area will be excised; grade 3 will be defined as fibrovascular proliferation crossing the corneal limbus. Grades 2 and 3 will be defined as recurrence.
Time frame: from baseline to 3 months after primary pterygium surgery.
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