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Browsing by Author "Magro, F"

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  • Composite Outcomes in Observational Studies of Ulcerative Colitis: a Systematic Review and Meta‐Analysis
    Publication . Magro, F; Alves, C; Santiago, M; Ministro, P; Lago, P; Correia, L; Gonçalves, R; Carvalho, D; Portela, F; Dias, C; Dignass, A; Danese, S; Peyrin‐Biroulet, L; Estevinho, MM; Moreira, P
    Background: Ulcerative colitis (UC) has been the focus of numerous observational studies over the years and a common strategy employed in their design is the use of composite and aggregate outcomes. Objective: This systematic review and meta-analysis aims to identify composite and aggregate outcomes of observational studies in UC and to evaluate how the number and type of variables included and the length of follow-up affect the frequency of patients that achieve these outcomes. Methods: A systematic literature search was carried out using MEDLINE [via PubMed], Scopus, and Web of Science online databases. Observational studies that included UC patients and reported composite or aggregate outcomes were identified. A set of variables considered to be representative of progressive or disabling UC was defined, the proportion of patients attaining the outcomes was determined and a random-effects meta-analysis was performed by dividing the identified studies into subgroups according to different criteria of interest. Results: A total of 10,264 records were identified in the systematic search, of which 33 were retained for qualitative analysis and 20 were included in the meta-analysis. The mean frequency for composite outcomes was 0.363 [95% confidence interval (CI) 0.323-0.403]. The frequency of composite outcome for the subgroup of studies that included the variable "Biologics" was significantly higher than for those in which this variable was not reported [0.410; 95% CI 0.364-0.457 versus 0.298; 95% CI 0.232-0.364; p = 0.006]. Composite outcomes were also more frequent as the follow-up duration increased. Conclusion: The frequency of composite outcomes in observational studies of UC is dependent on the specific identity of the variables being reported. Moreover, longer follow-up periods are associated with higher frequencies of composite outcomes. The evidence provided here is useful for the design of future observational studies of UC that aim to maximize the frequency of patients that achieve composite outcomes.
    2021-02Journal article Open access Show more
  • Decisões Clínicas na Doença de Crohn
    Publication . Magro, F; Correia, L; Lago, P; Macedo, G; Peixe, P; Portela, F; Amil Dias, J; Barros, L; Belo, T; Caldeira, P; Cerqueira, R; Chagas, C; Correia, M; Ferreira, A; Freire, P; Gonçalves, AR; Gonçalves, R; Herculano, R; Lopes, S; Moura Santos, P; Machado, A; Morna, H; Pimentel, R; Ramos, J; Reis, J; Rodrigues, S; Rosa, I; Salgado, M; Vasconcelos, H; Vieira, AI
    A doença de Crohn é uma doença inflamatória crónica do trato gastrointestinal. O aumento da incidência e a heterogeneidade desta patologia, com diferentes apresentações e prognóstico leva a uma constante preocupação em desenvolver e melhorar a sua classificação e tratamentoObjectivos: Elaborar recomendações (com base no nível de evidência e grau de recomendação) para 5 questões consideradas como os desafios clínicos na abordagem terapêutica da doença de Crohn na actualidade. Métodos: A metodologia adoptada pelo grupo de trabalho DC2 (Desafios Clínicos na Doença de Crohn) baseou‑se na seleção de 5 questões‑problema, por votação; elaboração, por cada subgrupo, de recomendações e reflexões nacionais para cada questão‑problema; discussão e aprovação das respostas e reflexões de cada questão, em reunião de consenso. Conclusões: Foi possível efectuar conclusões alicerçadas na evidência para as questões colocadas, recomendando‑se: 1) são factores preditivos de mau prognóstico o aparecimento da doença de Crohn antes dos 40 anos, doença estenosante e doença anal; 2) poder‑se‑á ponderar suspender os biológicos em doentes com remissão endoscópica e com biomarcadores normais; 3) os doentes com marcadores bioquímicos de atividade (nomeadamente a PCR e a calprotectina) têm maior probabilidade de recidiva; 4) perante uma falência aos biológicos é essencial assegurar que o tratamento com o primeiro fármaco foi optimizado. No caso do infliximab, está demonstrado que quer a redução do intervalo das administrações ou o aumento da dose permitem recuperar a resposta na larga maioria dos doentes. Em relação ao adalimumab, os doentes deverão passar de terapêutica quinzenal para semanal 5) em situação de doença de Crohn com cirurgia intestinal, o recurso a terapêutica de redução da recorrência pós‑cirurgia, particularmente imunossupressores e biológicos está indicado.
    2012Journal article Open access Show more
  • Soluble Human Suppression of Tumorigenicity 2 Is Associated with Endoscopic Activity in Patients with Moderate-to-Severe Ulcerative Colitis Treated with Golimumab
    Publication . Magro, F; Lopes, S; Silva, M; Coelho, R; Portela, F; Branquinho, D; Correia, L; Fernandes, S; Cravo, M; Caldeira, P; Tavares de Sousa, H; Patita, M; Lago, P; Ramos, J; Afonso, J; Redondo, I; Machado, P; Philip, G; Lopes, J; Carneiro, F
    Background: Suppressor of Tumorigenicity 2 (ST2) is an IL33 receptor detected in the mucosa and serum of ulcerative colitis (UC) patients. We evaluated soluble ST2 (sST2) as a surrogate biomarker of disease outcome and therapeutic response, in moderate-to-severe UC patients treated with golimumab. Methods: We conducted an open-label single-arm multicentre prospective study. At screening/baseline, week 6 (W6) and week 16 (W16), clinical and endoscopic activity (total Mayo score), histologic activity (Geboes index) and biomarkers were evaluated. Results: From 38 patients, 34 (89.5%) completed W6 and 29 (76.3%) completed W16. Mean age (±SD) was 34.6 ± 12.6 years; 55.9% were female. At W16, 62.1% achieved clinical response. Patients with endoscopic activity at W6 (n = 20) had higher baseline sST2 (median, 24.5 versus 18.7 ng/ml, p = 0.026) and no decrease from baseline (median change, 0.8 versus -2.7, p = 0.029). At W6, sST2 levels correlated with endoscopic activity (rs = 0.45, p = 0.007) but not with histological activity (rs = 0.25, p = 0.151). The best cut-offs for endoscopic activity were sST2 = 16.9 ng/ml (sensitivity = 85%; specificity = 71%) and faecal calprotectin (FC) = 353 μg/g (sensitivity = 90%, specificity = 67%). Patients with histological activity at W6 (n = 27) had higher baseline ST2 levels (median, 23.0 versus 13.7 ng/ml, p = 0.035). sST2 did not correlate with FC or serum C-reactive protein. FC levels correlated with histological activity and baseline FC were higher when Geboes ⩾3.1 at W6. Conclusions: sST2 may be a surrogate biomarker of UC activity and therapeutic response as it correlates with endoscopic and clinical activity at W6 of golimumab treatment, and subjects with endoscopic and histological activity at W6 had higher baseline ST2 levels.
    2019Journal article Open access Show more
  • The Who-When-Why Triangle of CAM Use Among Portuguese IBD Patients
    Publication . Portela, F; Dias, C; Caldeira, P; Cravo, M; Deus, J; Gonçalves, R; Lago, P; Morna, H; Peixe, P; Ramos, J; Sousa, H; Tavares, L; Vasconcelos, H; Magro, F; Ministro, P
    BACKGROUND: The use of complementary and alternative medicines is increasing among chronic patients, particularly those afflicted with inflammatory bowel diseases. AIM: This study aimed to address the prevalence of complementary and alternative medicines use among Portuguese inflammatory bowel diseases' patients. METHODS: Patients were invited to fill an anonymous questionnaire concerning the use of complementary and alternative medicines. RESULTS: Thirty-one per cent of the patients reported having used complementary and alternative medicines in the past, whereas 12% were using them by the time the questionnaire was administered. Fifty-nine per cent of the users did not share this information with their physician, whereas 14% and 8% discontinued their medication and periodical examination, respectively. Steroids prescription (OR=2.880) and a higher instruction level (OR=3.669) were predictors of complementary and alternative medicines use in this cohort. CONCLUSIONS: Roughly a third of Portuguese IBD patients had used CAM. Steroid treatment and an academic degree are associated with CAM use. Given the potential side effects and interactions, patient information about the benefits and limitations of conventional and complementary treatments should be reinforced.
    2017-04Journal article Open access Show more
  • Transmural Remission Improves Clinical Outcomes Up to 5 years in Crohn's Disease
    Publication . Raimundo Fernandes, S; Serrazina, J; Ayala Botto, I; Leal, T; Guimarães, A; Lemos Garcia, J; Rosa, I; Prata, R; Carvalho, D; Neves, J; Campelo, P; Ventura, S; Silva, A; Coelho, M; Sequeira, C; Oliveira, AP; Portela, F; Ministro, P; Tavares de Sousa, H; Ramos, J; Claro, I; Gonçalves, R; Araújo Correia, L; Tato Marinho, R; Cortez Pinto, H; Magro, F
    Introduction: Evidence supporting transmural remission (TR) as a long-term treatment target in Crohn's disease (CD) is still unavailable. Less stringent but more reachable targets such as isolated endoscopic (IER) or radiologic remission (IRR) may also be acceptable options in the long-term. Methods: Multicenter retrospective study including 404 CD patients evaluated by magnetic resonance enterography and colonoscopy. Five-year rates of hospitalization, surgery, use of steroids, and treatment escalation were compared between patients with TR, IER, IRR, and no remission (NR). Results: 20.8% of CD patients presented TR, 23.3% IER, 13.6% IRR and 42.3% NR. TR was associated with lower risk of hospitalization (odds-ratio [OR] 0.244 [0.111-0.538], p < 0.001), surgery (OR 0.132 [0.030-0.585], p = 0.008), steroid use (OR 0.283 [0.159-0.505], p < 0.001), and treatment escalation (OR 0.088 [0.044-0.176], p < 0.001) compared to no NR. IRR resulted in lower risk of hospitalization (OR 0.333 [0.143-0.777], p = 0.011) and treatment escalation (OR 0.260 [0.125-0.540], p < 0.001), while IER reduced the risk of steroid use (OR 0.442 [0.262-0.745], p = 0.002) and treatment escalation (OR 0.490 [0.259-0.925], p = 0.028) compared to NR. Conclusions: TR improved clinical outcomes over 5 years of follow-up in CD patients. Distinct but significant benefits were seen with IER and IRR. This suggests that both endoscopic and radiologic remission should be part of the treatment targets of CD.
    2023-02Journal article Open access Show more