Interleukin-1ß-Activated Microvascular Endothelial Cells Promote DC-SIGN-Positive Alternatively Activated Macrophages as a Mechanism of Skin Fibrosis in Systemic Sclerosis.

OBJECTIVE: To characterize the role of interleukin-1ß (IL-1ß) and microvascular endothelial cells (MVECs) in the generation of alternatively activated macrophages in the skin, and to explore their role in the development of skin fibrosis in patients with systemic sclerosis (SSc; scleroderma). METHODS: Conditioned medium prepared with MVECs purified from the skin of healthy donors and the skin of SSc patients was used to generate monocyte-derived macrophages. Flow cytometry, multiplex protein assessment, real-time quantitative polymerase chain reaction, and tissue immunofluorescence were used to characterize MVEC-induced polarization of alternatively activated macrophages. Coculture experiments were conducted to assess the role of MVEC-induced alternatively activated macrophages in fibroblast activation. Alternatively activated macrophages were characterized in the skin of healthy donors and SSc patients using multiparametric immunofluorescence and multiplex immunostaining for gene expression. Based on our in vitro data, we defined a supervised macrophage gene signature score to assess correlation between the macrophage score and clinical features in patients with SSc, using the Spearman's test. RESULTS: IL-1ß-activated MVECs from SSc patients induced monocytes to differentiate into DC-SIGN+ alternatively activated macrophages producing high levels of CCL18, CCL2, and CXCL8 but low levels of IL-10. DC-SIGN+ alternatively activated macrophages showed significant enhancing effects in promoting the production of proinflammatory fibroblasts and were found to be enriched in perivascular regions of the skin of SSc patients who had a high fibrosis severity score. A novel skin transcriptomic macrophage signature, defined from our in vitro findings, correlated with the extent of skin fibrosis (Spearman's r = 0.6, P = 0.0018) and was associated with early disease manifestations and lung involvement in patients with SSc. CONCLUSION: Our findings shed new light on the vicious circle implicating unabated IL-1ß secretion, MVEC activation, and the generation of DC-SIGN+ alternatively activated macrophages in the development of skin fibrosis in patients with SSc.

Safety of hydroxychloroquine and darunavir or lopinavir in COVID-19 infection.

BACKGROUND: Combination therapy with hydroxychloroquine and darunavir/ritonavir or lopinavir/ritonavir has been suggested as an approach to improve the outcome of patients with moderate/severe COVID-19 infection. OBJECTIVES: To examine the safety of combination therapy with hydroxychloroquine and darunavir/ritonavir or lopinavir/ritonavir. METHODS: This was an observational cohort study of patients hospitalized for COVID-19 pneumonia treated with hydroxychloroquine and darunavir/ritonavir or lopinavir/ritonavir. Clinical evaluations, electrocardiograms and the pharmacokinetics of hydroxychloroquine, darunavir and lopinavir were examined according to clinical practice and guidelines. RESULTS: Twenty-one patients received hydroxychloroquine with lopinavir/ritonavir (median age 68 years; 10 males) and 25 received hydroxychloroquine with darunavir/ritonavir (median age 71 years; 15 males). During treatment, eight patients (17.4%) developed ECG abnormalities. Ten patients discontinued treatment, including seven for ECG abnormalities a median of 5 (range 2-6) days after starting treatment. All ECG abnormalities reversed 1-2 days after interrupting treatment. Four patients died within 14 days. ECG abnormalities were significantly associated with age over 70 years, coexisting conditions (such as hypertension, chronic cardiovascular disease and kidney failure) and initial potential drug interactions, but not with the hydroxychloroquine concentration. CONCLUSIONS: Of the patients with COVID-19 who received hydroxychloroquine with lopinavir or darunavir, 17% had ECG abnormalities, mainly related to age or in those with a history of cardiovascular disease.

Management and outcomes of 27 pregnancies in women with myeloproliferative neoplasms.

Introduction: Philadelphia-negative myeloproliferative neoplasms (MPNs) greatly increase the risk of maternal and fetal complications during pregnancy. Currently, international agreements regarding the management of these women are lacking.Patients and methods: Our study aimed to assess the current management and outcomes of MPN pregnancies in a French cohort. We retrospectively analyzed 27 pregnancies in women with MPNs that were associated with a specific mutation. Nineteen pregnancies in nine women with essential thrombocythemia and eight pregnancies in five women with polycythemia vera were identified.Results: Our study showed 70% live births, but only 30% uneventful pregnancies. Fetal complications were mainly early spontaneous abortions (22%), fetal growth restriction (15%), and premature delivery (15%). Maternal issues were divided between thrombosis (15%) and hemorrhages (11%). High rates of preeclampsia and hemolysis, elevated liver enzymes, and low platelet count syndrome (15%) were reported. Uterine artery Doppler was performed in 70% pregnancies. Abnormal Doppler results were found in 43% pregnancies. Pregnancies with high platelet counts and packed cell volume remaining static or increasing ended with fetal death and utero-placental dysfunction. According to expert consensus, most of the pregnancies (67%) could be stratified in the high risk group and had a bad obstetrical outcome, with 50% standard-risk pregnancies versus 22% high-risk pregnancies that were uneventful. Higher risk pregnancies were prescribed heparin and/or interferon α in 72%.Conclusions: The prognosis of these pregnancies remains very bad and may be improved by a more effective collaboration between specialists as well as a therapeutic intensification including heparin and interferon α.

Central nervous system involvement in eosinophilic granulomatosis with polyangiitis (Churg-Strauss): Report of 26 patients and review of the literature.

BACKGROUND: Although peripheral nervous system involvement is common in eosinophilic granulomatosis with polyangiitis (EGPA), central nervous system (CNS) manifestations are poorly described. This study aimed to describe CNS involvement in EGPA. PATIENTS AND METHODS: This retrospective, observational, multicenter study included patients with EGPA and CNS involvement affecting cranial nerves, brain and/or spinal cord. We also undertook a systematic literature review. RESULTS: We analyzed 26 personal cases and 62 previously reported cases. At EGPA diagnosis, asthma was noted in 97%, eosinophilia in 98%, peripheral neuropathy in 55% and cardiac involvement in 41%. 38/71 (54%) were ANCA-positive, with a perinuclear-labeling pattern and/or anti-MPO specificity. CNS was involved in 86% at EGPA diagnosis, preceded EGPA in 2%, and occurred during follow-up in 12% after a median of 24months. Main neurological manifestations were ischemic cerebrovascular lesions in 46 (52%), intracerebral hemorrhage and/or subarachnoid hemorrhage in 21 (24%), loss of visual acuity in 28 (33%) (15 with optic neuritis, 9 with central retinal artery occlusion, 4 with cortical blindness), and cranial nerves palsies in 18 (21%), with 25 patients having ≥1 of these clinical CNS manifestations. Among the 81 patients with assessable neurological responses, 43% had complete responses without sequelae, 43% had partial responses with long-term sequelae and 14% refractory disease. After a mean follow-up of 36months, 11 patients died including 5 from intracerebral hemorrhages. CONCLUSION: EGPA-related CNS manifestations form 4 distinct neurological pictures: ischemic lesions, intracerebral hemorrhages, cranial nerve palsies and loss of visual acuity. Such manifestation should prompt practitioners to consider EGPA in such conditions. Long-term neurological sequelae were common, and intracerebral hemorrhages had the worst prognostic impact.

Improving Adherence to Adjuvant Endocrine Therapy in Breast Cancer Through a Therapeutic Educational Approach: A Feasibility Study
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PURPOSE/OBJECTIVES: To develop and test the feasibility of a tailored therapeutic educational program, with the aim of improving adherence to oral endocrine adjuvant chemotherapy in women with breast cancer. 
. DESIGN: A qualitative study to identify educational needs and a feasibility study assessing the efficacy of the program.
. SETTING: A comprehensive cancer center, the Lucien Neuwirth Cancer Institute in Saint-Priest-en-Jarez, France.
. SAMPLE: Two consecutive samples (N = 11, N = 6) of women taking adjuvant oral endocrine chemotherapy for breast cancer. 
. METHODS: A mixed qualitative and quantitative method was used. The participants' representations of disease and treatment were explored through one-on-one interviews and then translated into educational needs, which were used to develop a tailored therapeutic education program. The pilot study evaluated the reach and efficacy using before-and-after comparisons. 
. MAIN RESEARCH VARIABLES: Educational objectives, knowledge, trust in the treatment, and anxiety.
. FINDINGS: Five educational objectives (acquiring knowledge, improving communication skills, managing anxiety, managing side effects, and improving adherence) were identified through 11 interviews. A three-session program was developed. Eight of the 23 patients invited to participate in a pilot study accepted, and six completed the intervention. Knowledge improved from 38.9 of 100 preintervention to 69.4 of 100 postintervention (p = 0.045). Trust in treatment showed a trend to improvement from 5.5 of 10 to 8 of 10 (p = 0.14), but anxiety did not change significantly; anxiety went from 6 to 7 (p = 0.88).
. CONCLUSIONS: Results from the feasibility study showed promising efficacy for the educational objectives and provided information about how the program could be improved. 
. IMPLICATIONS FOR NURSING: Tailored educational programs conducted by trained nurses may help patients to adhere to and live with the effects of endocrine therapy.