Andrea Leonardi1, Serge Doan2, Mourad Amrane3, Dahlia Ismail3, Jesús Montero4, János Németh5, Pasquale Aragona6, Dominique Bremond-Gignac7. 1. Department of Neuroscience, Ophthalmology Unit, University of Padua, Padua, Italy. Electronic address: andrea.leonardi@unipd.it. 2. Department of Ophthalmology, Bichat Hospital and Foundation A. de Rothschild, Paris, France. 3. Global Research and Development, Santen SAS, Evry, France. 4. Clinica Cartuja Vision, Ophthalmological Center, Universidad de Sevilla, Sevilla, Spain. 5. Department of Ophthalmology, Semmelweis University, Budapest, Hungary. 6. Department of Biomedical Science, University of Messina, Messina, Italy. 7. University Hospital Necker Enfants Malades, APHP, and Rare Eye Disease Center OPHTARA, CNRS Unit FR3636, Paris Descartes University, Paris, France. Electronic address: dominique.bremond@aphp.fr.
Abstract
PURPOSE: Vernal keratoconjunctivitis (VKC) is a chronic, allergic, and potentially severe ocular disease affecting children and adolescents that can lead to impaired quality of life (QoL) and loss of vision. This study evaluated the efficacy and safety of an investigational therapy for severe VKC, cyclosporine A (CsA) cationic emulsion (CE), an oil-in-water emulsion with increased bioavailability versus conventional CsA formulations. DESIGN: The VErnal KeratoconjunctiviTIs Study (VEKTIS) is a phase 3, multicenter, double-masked, vehicle-controlled trial. PARTICIPANTS: Pediatric patients (4 to younger than 18 years) with active severe VKC (grade of 3 or 4 on the Bonini severity scale) and severe keratitis (corneal fluorescein staining [CFS] score of 4 or 5 on the modified Oxford scale). METHODS:One hundred sixty-nine patients were randomized to CsA CE 0.1% (1 mg/ml) eye drops 4 times daily (high dose), CsA CE twice daily (low dose) plus vehicle twice daily, or vehicle 4 times daily for 4 months. MAIN OUTCOME MEASURES: The primary end point was a mean composite score that reflected CFS, rescue medication use (dexamethasone 0.1% 4 times daily), and corneal ulceration over the 4 months. RESULTS: Differences in least-squares means versus vehicle for the primary end point were statistically significant for both the high-dose (0.76; P = 0.007) and the low-dose (0.67; P = 0.010) groups, with treatment effect mainly driven by CFS score. Significant differences were found between both active treatment groups and vehicle for use of rescue medication. Vernal keratoconjunctivitis symptoms and patient QoL (assessed by visual analog scale and the Quality of Life in Children with Vernal Keratoconjunctivitis questionnaire) improved in all 3 groups, with significant improvements for high-dose CsA CE versus vehicle. CONCLUSIONS: The efficacy of high-dose CsA CE in improving keratitis, symptoms, and QoL for those with severe VKC was demonstrated in these study patients. In addition, in this study cohort, CsA CE was well tolerated.
RCT Entities:
PURPOSE:Vernal keratoconjunctivitis (VKC) is a chronic, allergic, and potentially severe ocular disease affecting children and adolescents that can lead to impaired quality of life (QoL) and loss of vision. This study evaluated the efficacy and safety of an investigational therapy for severe VKC, cyclosporine A (CsA) cationic emulsion (CE), an oil-in-water emulsion with increased bioavailability versus conventional CsA formulations. DESIGN: The VErnal KeratoconjunctiviTIs Study (VEKTIS) is a phase 3, multicenter, double-masked, vehicle-controlled trial. PARTICIPANTS: Pediatric patients (4 to younger than 18 years) with active severe VKC (grade of 3 or 4 on the Bonini severity scale) and severe keratitis (corneal fluorescein staining [CFS] score of 4 or 5 on the modified Oxford scale). METHODS: One hundred sixty-nine patients were randomized to CsA CE 0.1% (1 mg/ml) eye drops 4 times daily (high dose), CsA CE twice daily (low dose) plus vehicle twice daily, or vehicle 4 times daily for 4 months. MAIN OUTCOME MEASURES: The primary end point was a mean composite score that reflected CFS, rescue medication use (dexamethasone 0.1% 4 times daily), and corneal ulceration over the 4 months. RESULTS: Differences in least-squares means versus vehicle for the primary end point were statistically significant for both the high-dose (0.76; P = 0.007) and the low-dose (0.67; P = 0.010) groups, with treatment effect mainly driven by CFS score. Significant differences were found between both active treatment groups and vehicle for use of rescue medication. Vernal keratoconjunctivitis symptoms and patient QoL (assessed by visual analog scale and the Quality of Life in Children with Vernal Keratoconjunctivitis questionnaire) improved in all 3 groups, with significant improvements for high-dose CsA CE versus vehicle. CONCLUSIONS: The efficacy of high-dose CsA CE in improving keratitis, symptoms, and QoL for those with severe VKC was demonstrated in these study patients. In addition, in this study cohort, CsA CE was well tolerated.
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Authors: Jodhbir S Mehta; Wei-Li Chen; Arthur C K Cheng; Le Xuan Cung; Ivo J Dualan; Ramesh Kekunnaya; Nurliza Khaliddin; Tae-Im Kim; Douglas K Lam; Seo Wei Leo; Florence Manurung; Nattaporn Tesavibul; Dominique Bremond-Gignac Journal: Front Med (Lausanne) Date: 2022-08-01