Therapeutic Profile of Human Umbilical Cord Blood Serum and Autologous Serum Therapies in Treatment of Ocular Surface Disorders: A Pilot Study
Published: 1 February 2023
Journal of Ocular Pharmacology and Therapeutics , Volume 39, pp 36-47; https://doi.org/10.1089/jop.2022.0107
Abstract:Purpose: Umbilical cord blood serum (UCBS) is an effective adjunctive treatment along with conventional therapy in ocular surface disorders (OSDs). It aids in rapid ocular surface restoration thereby achieving epithelial integrity, in addition to improvement in subjective and objective parameters. The study aims to compare the efficacy of human umbilical cord blood serum and autologous serum (AS) in treatment of OSD. Methods: A prospective randomized study was conducted on 101 eyes diagnosed with OSD resulting from dry eye disease (DED; n = 40), acute chemical burn (ACB; n = 21), and ocular allergy (OA; n = 40). Randomization was done in Group I, administered with AS, and Group II with UCBS. Outcomes evaluated were visual acuity (VA), eye sensation score (ESS), ocular surface disease index (OSDI), tear break-up time (TBUT), Schirmer's value, Corneal Fluorescein Score, epithelial defect, limbal ischemia, corneal clarity (CC), and improvement in grade of severity. Statistical analysis was done using Wilcoxon signed-rank, Wilcoxon rank sum, Chi-square, and Z-test with a significance level (P ≤ 0.05). Results: In DED, Group II showed significant improvement in VA, ESS, and OSDI by the 7th day, whereas the mean Schirmer, TBUT, and corneal fluorescein staining score improved by 3 months. In ACB, Group II showed improvement in VA, reepithelialization, reduction in limbal ischemia, and CC by 3 months. In OA, Group II showed improvement in ESS by day 7. Conclusion: Human umbilical cord blood serum is more effective than AS in restoring ocular surface.
Keywords: ocular surface disorders / dry eye disease / chemical injuries / ocular allergies / umbilical cord blood serum / autologous serum
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