Treatment of Ligneous Conjunctivitis in Children With Plasminogen Deficiency

Summary

Congenital plasminogen deficiency causes impaired wound healing and growth of pseudomembranous lesions over multiple parts of the body. The most common lesions involve eyes and are known as Ligneous conjunctivitis. These can cause scarring of the sclera, vision loss and even blindness. These pseudomembranous lesions are recur after surgical excisions, administration of intra-ocular cyclosporine, autologous serum drops or corticosteroids. Clinical data shows that these growths do not worsen and do not recur after administration of plasminogen (either as concentrate or as plasma) in the eyes, locally or intravenously. As plasminogen is not available as concentrate, we are using aliquoted allogenic plasma provided by Canadian Blood Services for intra-ocular application. These will be applied to eyes multiple times a day for a period of 2 to 6 months depending on disease severity and patient response. These may be used again if ligneous conjunctivitis recurs. The patient will be followed for a period of 2 years at least. All serious adverse events will be reported to Canadian Blood Services and Health Canada as appropriate.

Timeline

Start

2022-12-15

Primary completion

2024-09-30

Completion

2024-12-31

Publications

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• Background Watts P, Agha SH, Mameesh M, Conor P, Ganesh A, Al-Mujaini A, Jewsbury H, Pathare A, Al-Rawas A. Fresh frozen plasma (Octaplas) and topical heparin in the management of ligneous conjunctivitis. J AAPOS. 2019 Feb;23(1):42-45.e1. doi: 10.1016/j.jaapos.2018.05.011. Epub 2018 Aug 27.
• Background Ku JY, Lichtinger A, Yeung SN, Kim P, Cserti-Gazdewich C, Slomovic AR. Topical fresh frozen plasma and heparin treatment of ligneous conjunctivitis in a Canadian hospital setting. Can J Ophthalmol. 2012 Oct;47(5):e27-8. doi: 10.1016/j.jcjo.2012.03.025. Epub 2012 Jul 13. No abstract available.
• Background Pergantou H, Likaki D, Fotopoulou M, Katsarou O, Xafaki P, Platokouki H. Management of ligneous conjunctivitis in a child with plasminogen deficiency. Eur J Pediatr. 2011 Oct;170(10):1333-6. doi: 10.1007/s00431-011-1483-9. Epub 2011 May 31.
• Background Suzuki T, Ikewaki J, Iwata H, Ohashi Y, Ichinose A. The first two Japanese cases of severe type I congenital plasminogen deficiency with ligneous conjunctivitis: successful treatment with direct thrombin inhibitor and fresh plasma. Am J Hematol. 2009 Jun;84(6):363-5. doi: 10.1002/ajh.21402.
• Background Shapiro AD, Menegatti M, Palla R, Boscarino M, Roberson C, Lanzi P, Bowen J, Nakar C, Janson IA, Peyvandi F. An international registry of patients with plasminogen deficiency (HISTORY). Haematologica. 2020 Mar;105(3):554-561. doi: 10.3324/haematol.2019.241158. Epub 2020 Jan 30.
• Background Khandelwal A. Allogenic plasma aliquots for use as eye drops. Information for sponsor
• Background Hangul M, Tuzuner AB, Somekh I, Klein C, Patiroglu T, Unal E, Kose M. Type 1 Plasminogen Deficiency With Pulmonary Involvement: Novel Treatment and Novel Mutation. J Pediatr Hematol Oncol. 2021 May 1;43(4):e558-e560. doi: 10.1097/MPH.0000000000001951.
• Background Rouatbi A, Chebbi A, Bouguila H. Ligneous conjunctivitis due to plasminogen deficit: Diagnostic and therapeutic approach. With literature review. J Fr Ophtalmol. 2018 Dec;41(10):916-919. doi: 10.1016/j.jfo.2018.03.012. Epub 2018 Nov 12.
• Background Conforti FM, Di Felice G, Bernaschi P, Bartuli A, Bianco G, Simonetti A, Buzzonetti L, Valente P, Corsetti T. Novel plasminogen and hyaluronate sodium eye drop formulation for a patient with ligneous conjunctivitis. Am J Health Syst Pharm. 2016 Apr 15;73(8):556-61. doi: 10.2146/ajhp150395.
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• Background Ang MJ, Papageorgiou KI, Chang SH, Kohn J, Chokron Garneau H, Goldberg RA. Topical Plasminogen as Adjunctive Treatment in Recurrent Ligneous Conjunctivitis. Ophthalmic Plast Reconstr Surg. 2017 Mar/Apr;33(2):e37-e39. doi: 10.1097/IOP.0000000000000694.
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• Background Park, Benjamin J., et al.

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