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Maria Pia Paroli,1 Emanuela Del Giudice,2 Francesca Giovannetti,1 Rosalba Caccavale,3 Marino Paroli3 1Uveitis Service, Ophthalmologic Unit, Department of Sense Organs, Sapienza University of Rome, Rome, Italy; 2Pediatric Rheumatology Unit, Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy; 3Clinical Immunology Unit, Department of Clinical, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, ItalyCorrespondence: Maria Pia Paroli, Uveitis Service, Ophthalmologic Unit, Department of Sense Organs, Sapienza University of Rome, Rome, Italy, Tel/Fax +39-06-519-3220, Email mariapia.paroli@uniroma1.itAbstract: Juvenile idiopathic arthritis (JIA) is the most common extraocular disease associated with pediatric uveitis. Despite the growing knowledge about the pathogenetic and clinical characteristics of the disease, it still remains a challenge for both the pediatric rheumatologist and ophthalmologist. Since uveitis is asymptomatic in most cases, it is generally detected by parents in a late phase of the disease when complications have occurred with consequent severe vision loss. Improvement in attentive screening and early treatment initiation to suppress inflammation has considerably reduced the sight-threatening outcomes of JIA-associated chronic anterior uveitis (JIA-CAU). Initial treatment with topical steroids is effective in most cases. However, more severe cases require the use of periocular or systemic corticosteroids, possibly leading to long-term complications. These include growth retardation, cataract and glaucoma. Systemic immunosuppressive agents are then employed in patients resistant to first-line therapy or to reduce steroid-associated complications. In this review, we will discuss the immunosuppressant agents currently employed for the treatment of the disease, including anti-tumor necrosis factor (TNF)α biologics approved or not by the regulatory agencies. We will also highlight how new therapeutic options like biologic targeting cytotoxic T-lymphocyte antigen-4 (CTLA-4) co-stimulatory molecule, interleukin-6 receptor (IL-6R) or B lymphocytes might represent exciting new options for patients resistant to conventional therapy. Finally, the potential use of janus kinase (JAK) inhibitors recently approved for the treatment of several inflammatory rheumatic diseases in adults will be also discussed.Keywords: juvenile idiopathic arthritis, uveitis, biologics, JAK inhibitors

Leopoldo Spadea,1 Marino Paroli21University of L’Aquila, Department of Biotechnological and Applied Clinical Sciences, Eye Clinic, L’Aquila, 2La Sapienza University, Department of Biotechnology and Medical-Surgical Sciences, Latina, ItalyBackground: The purpose of this paper is to report the results of using combined treatment of customized excimer laser-assisted photorefractive keratectomy (PRK) and prophylactic corneal collagen crosslinking (CXL) for residual refractive error in a group of patients who had previously undergone lamellar keratoplasty for keratoconus.Methods: The study included 14 eyes from 14 patients who had originally been treated for keratoconus in one eye by excimer laser-assisted lamellar keratoplasty (ELLK), and subsequently presented with residual ametropia (-6.11 D ± 2.48, range -2.50 to -9.50). After a mean 40.1 ± 12.4 months since ELLK they underwent combined simultaneous corneal regularization treatment with topographically guided transepithelial excimer laser PRK (central corneal regularization) and corneal CXL induced by riboflavin-ultraviolet A.Results: After a mean 15 ± 6.5 (range 6–24) months, all eyes gained at least one Snellen line of uncorrected distance visual acuity (range 1–10). No patient lost lines of corrected distance visual acuity, and four patients gained three lines of corrected distance visual acuity. Mean manifest refractive spherical equivalent was -0.79 ± 2.09 (range +1 to -3.0) D, and topographic keratometric astigmatism was 5.02 ± 2.93 (range 0.8–8.9) D. All the corneas remained clear (haze < 1).Conclusion: The combination of customized PRK and corneal CXL provided safe and effective results in the management of corneal regularization for refractive purposes after ELLK for keratoconus.Keywords: corneal collagen crosslinking, excimer laser-assisted lamellar keratoplasty, photorefractive keratectomy

Marino Paroli,1 Gino Iannucci,2 Daniele Accapezzato21Department of Biotechnology and Medical-Surgical Sciences, 2Department of Internal Medicine and Medical Specialties, Sapienza University of Rome, ItalyAbstract: Hepatitis C virus (HCV) infection is associated with a number of extrahepatic disorders. The most studied conditions associated with HCV are type II mixed cryoglobulinemia and B cell lymphoma. However, many reports suggest that HCV might also be associated with a number of autoimmune disorders, both organ-specific and not organ-specific. Although concomitant treatment of HCV infection is a confounding factor when ascertaining the actual role of HCV in inducing autoimmune disease, a considerable amount of experimental data indicates that HCV is able to subvert the immune system and consequently induce autoimmunity. In the present review, we report a series of observations which associate chronic HCV infection with the onset of autoimmune disorders.Keywords: hepatitis C virus, immune regulation, autoimmune diseases

Marino ParoliDivision of Clinical Immunology and Rheumatology, Department of Biotechnology and Medical-Surgical Sciences, Sapienza University of Rome, ItalyAbstract: Vasculitis syndromes are relative rare conditions but can cause significant mortality and morbidity if not treated adequately. Recent advances in immunosuppressant therapy have radically changed the course of these diseases. However, the standard therapy is not always well tolerated by patients, and some cases are refractory to treatment. New therapeutic possibilities have emerged with the use of so-called "biologics," a new class of genetically engineered drugs used for inflammatory rheumatic diseases, including rheumatoid arthritis, ankylosing spondylitis, and psoriatic arthritis. In the present review, summarized are the most recent data on the efficacy and safety of biologics in the treatment of vasculitis syndromes that cannot be treated with standard therapy.Keywords: anti-TNF-alpha, rituximab, tocilizumab, vasculitides

Marino Paroli,1 Alessandro Polidoro,1 Simone Romano,1 Daniele Accapezzato21Department of Biotechnology and Medical-Surgical Sciences, 2Department of Internal Medicine and Medical Specialties, Sapienza University of Rome, Rome, ItalyAbstract: We report on a case of Churg–Strauss syndrome (CSS) associated with the presence of antiphospholipid antibodies. The patient had a history of recurrent myocardial infarction and presented with acute ischemic cerebral disease. Eosinophilia with typical lung and skin lesions led us to diagnose the patient with CCS. We hypothesize that the presence of antiphospholipid antibodies significantly contributed to the ischemic events. We suggest that the search for antiphospholipid antibodies should be included in the laboratory work-up in CSS patients and patients affected by primary systemic vasculitides in general. Moreover, anticoagulant treatment appears to be warranted in all CSS patients and antiphospholipid antibodies to counteract this thrombosis-favoring association.Keywords: Churg–Strauss syndrome, antiphospholipid antibodies, ischemic disease