key: cord-342254-vdovpfu1
authors: Mugheddu, C.; Pizzatti, L.; Sanna, S.; Atzori, L.; Rongioletti, F.
title: CID‐19 pulmonary infection in erythrodermic psoriatic patient with oligodendroglioma: safety and compatibility of apremilast with critical intensive care management
date: 2020-06-04
journal: J Eur Acad Dermatol Venereol
DOI: 10.1111/jdv.16625
sha: 
doc_id: 342254
cord_uid: vdovpfu1

Novel coronavirus 2019 (SARS-CoV2) pandemic has particularly affected Italy, with a profound impact on the therapeutic strategy for complex disorder such as psoriasis, whose extensive skin damage might expose to an increased infective risk compared to the general population. Psoriasis treatment relies on immunosuppression, and although most experts agree that the benefit-to risk-ratio is in favor of maintaining selective biologic therapies, and small molecules such as apremilast, they recommend dismission if severe COVID-19 symptoms occur.

apremilast 30 mg orally twice a day was started. The patient gradually improved, allowing prednisone tapering to a minimal dose of 12.5 mg daily. On February 19, 2020, he was enough stabilized to travel to Milan, Northern Italy, to be evaluated for brain radiotherapy. On February 26, he developed a severe cough with high fever (TC 40°C) and a chest X-Ray revealed bilateral interstitial pneumonia with positive swab to SARS CoV2. After referral to the Infective Disease Unit, the patient started treatment with Lopinavir/Ritonavir400/100 mg twice a day and intravenous Ceftriaxone 2 g/day. He was discharged on March 3, clinically healed after two consecutive negative SARS-CoV-2 swabs. Apremilast had never been stopped during the COVID-19 hospitalization, with acceptable control of the psoriasis, limited to mild scaling and erythema, especially on the trunk (Fig. 2) .

The fact that patient with a severe form of psoriasis contracted the COVID-19 pneumonia, while on treatment with apremilast is worth of some considerations. First of all, the information of apremilast safety, not interfering with the infection, as the drug was not interrupted during the whole course of the infection. Our patient had several risk factors for a worst outcome: obesity, recent chemotherapy, persistence of brain oligodendroglioma and viral contagion in a nosocomial setting. By converse, the infection recovered rapidly and the patient was discharged 6 days after the onset of symptoms. Apremilast has previously demonstrated a long-term safety profile in the setting of serious infections such as HIV, HBV and HCV. 7, 8 However, therapeutic strategy during severe COVID-19 pneumonia are still in the process of definition, and it was quite surprising apremilast was maintained. We cannot rule out that apremilast anti-inflammatory activity might have played a role in the rapid recovery. The selective inhibition of the enzyme phosphodiesterase 4 (PDE4) allows higher levels of cyclic AMP, which decreases the production of inflammatory cytokines such as tumour necrosis factor-alpha (TNF-a). 7 Interestingly, the efficacy of apremilast has been reported in acute lung injury caused by the anticancer proteasome inhibitor carfilzomib, characterized by an exaggerated inflammatory response. 9 Another experiment in mouse has documented an inhibitory effect of apremilast on the release of profibrotic cytokine from macrophages, including interleukin-6. 10 During COVID19, pneumonia has been documented a 'cytokines storm', with markedly higher levels of IL-6, and TNF-a, suggesting the use of interleukin-6 receptor blocker tocilizumab in severe cases. 11 Recently, another Italian psoriasis patient contracting COVID-19 under IL-23 inhibitor treatment (guselkumab) has been reported, and completely recovered from the infection. 12 From our experience, apremilast confirms its safety in very critical patients with severe infections, including COVID-19. Its efficacy in our sub-erythrodermic psoriasis was not completely satisfactory, but other treatments were contraindicated for the recurrent brain oligodendroglioma. Further studies are warrant to explore the intriguing immune modulating activities of this very manageable drug.

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