Background:Previous studies reported a high prevalence of cognitive dysfunction in systemic sclerosis (SSc). Cognitive impairment was estimated to involve 60% to 80% of SSC patients and to be correlated with older age, disease severity, diffuse cutaneous subset and poor quality of life.Objectives:The aim of our study was to evaluate the association between cognitive impairment, nutritional status and the quality of life of SSc patients.Methods:Sixty-eight consecutive SSc patients followed at our Institution were evaluated for cognitive impairment using the validated Italian version of the Montreal Cognitive Assessment (MoCA). Scores <26 were considered abnormal. We also assessed other domains and quality of life measures such as UCLA SCTC GIT 2.0 for gastrointestinal involvement, BDI-II and PHQ-9 for anxiety and depression, EAT-10 for dysphagia symptoms, SHAQ and SF-36 for function and quality of life (QoL). The risk and the presence of overt malnutrition were assessed using the MUST questionnaire and the GLIM criteria, respectively. Clinical and demographic parameters such as age, sex, BMI, disease subset, organ involvement, autoantibody profile and modified Rodnan Skin Score were also recorded for each patient. Data were analysed by Student t-test or chi-square test and regression analyses were used to assess the association between variables.Results:A total of 68 SSc patients [47 (69.1%) limited SSc (lSSc) and 21 (30.9%) with diffuse SSc (dSSc), 59 female; mean age 60.2 (±13.4) years; mean disease duration 9 (±8.2) years; mean mRSS 8.1 (±7.6)] were included in the study.Cognitive impairment was identified in 30 (44.1%) SSc patients; the mean MoCA score was 24.7 (±4.3). According to GLIM criteria, 16 (23.5%) patients were malnourished. Compared to patients with a MoCA≥26, patients with cognitive impairment were older (p<0.001), had more comorbidities (p<0.0001) and a worse QoL as assessed by the physical and general health domains of the Sf-36 (p<0.05). Malnourished patients were significantly more dysphagic (p<0.01) and had a worse HAQ (p<0.01) compared to well-fed patients. On regression analyses, cognitive impairment was related to increasing age (OR 1.08, 95%CI 1.03 to 1.14, p=0.001), but not to malnutrition, disease subset or symptoms. Malnutrition was associated with dysphagia (OR 1.10, 95%CI 1.01 to 1.20, p=0.01) and HAQ score (OR 2.69, 95%CI 1.24 to 5.82, p=0.01), but was not predicted by cognitive impairment.Conclusion:Cognitive dysfunction is frequently observed in SSc patients and mostly associated with increasing age and number of comorbidities. Malnutrition and cognitive impairment are both associated to QoL but seem to be unrelated.Disclosure of Interests:None declared