23 research outputs found

    In vitro models of cancer stem cells and clinical applications

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    Subclinical ultrasound synovitis in a particular joint is associated with ultrasound evidence of bone erosions in that same joint in rheumatoid patients in clinical remission

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    Twenty-four consecutive patients with RA in clinical remission according to EULAR criteria (DAS28<2.6) underwent a complete clinical assessment. An experienced sonographer blind to the clinical data performed the US examinations to detect and score signs of joint inflammation and bone erosions from second to fifth metacarpophalangeal (MCP) joints of both hands. All joints were scanned both on dorsal and volar aspects. The second and fifth MCP joints were scanned also in lateral aspects. The patients were mainly female (79.2%), with a mean age of 63.2 years ±12.3 standard deviation (SD) and a mean disease duration of 114.5 months ±53.9 SD. Half of the patients were rheumatoid factor positive and 45.8% were anti-citrullinated protein antibody positive. A total of 192 MCP joints and 480 aspects were assessed. Of these joints, 105 (54.7%) were found inflamed by grey-scale US, 57 (29.7%) were power Doppler (PD) positive, and bone erosions were detected in 42 (21.7%) joints. PD signal was found in 30 (53.6%) of the 56 eroded aspects and in only 41 (9.7%) out of the 424 aspects without bone erosions. Both the GS and PD mean scores were statistically higher in the joints with US bone erosions compared to those without erosions. A higher prevalence of PD signal was found in the joints where bone erosions were detected. This is the first study providing evidence supporting the association between US bone erosions and the persistence of subclinical inflammation in RA patients in clinical remission

    Dendritic cell immunotherapy versus bevacizumab plus irinotecan in recurrent malignant glioma patients: a survival gain analysis

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    Stefan-Alexandru Artene,1 Adina Turcu-Stiolica,2 Richard Hartley,1 Marius Eugen Ciurea,3 Oana Daianu,1 Corina Brindusa,1 Oana Alexandru,4 Ligia Gabriela Tataranu,5 Stefana Oana Purcaru,1 Anica Dricu1 1Unit of Biochemistry, 2Department of Biostatistics, 3Department of Plastic and Reconstructive Surgery, 4Department of Neurology, University of Medicine and Pharmacy of Craiova, Craiova, 5Department of Neurosurgery, &ldquo;Bagdasar&ndash;Arseni&rdquo; Emergency Hospital, Bucharest, Romania Background: The bevacizumab and irinotecan protocol is considered a standard treatment regimen for recurrent malignant glioma. Recent advances in immunotherapy have hinted that vaccination with dendritic cells could become an alternative salvage therapy for the treatment of recurrent malignant glioma.Methods: A search was performed on PubMed, Cochrane Library, Web of Science, ScienceDirect, and Embase in order to identify studies with patients receiving bevacizumab plus irinotecan or dendritic cell therapy for recurrent malignant gliomas. The data obtained from these studies were used to perform a systematic review and survival gain analysis.Results: Fourteen clinical studies with patients receiving either bevacizumab plus irinotecan or dendritic cell vaccination were identified. Seven studies followed patients that received bevacizumab plus irinotecan (302 patients) and seven studies included patients that received dendritic cell immunotherapy (80 patients). For the patients who received bevacizumab plus irinotecan, the mean reported median overall survival was 7.5 (95% confidence interval [CI] 4.84&ndash;10.16) months. For the patients who received dendritic cell immunotherapy, the mean reported median overall survival was 17.9 (95% CI 11.34&ndash;24.46) months. For irinotecan + bevacizumab group, the mean survival gain was -0.02&plusmn;2.00, while that for the dendritic cell immunotherapy group was -0.01&plusmn;4.54.Conclusion: For patients with recurrent malignant gliomas, dendritic cell immunotherapy treatment does not have a significantly different effect when compared with bevacizumab and irinotecan in terms of survival gain (P=0.535) and does not improve weighted survival gain (P=0.620). Keywords: malignant glioma, irinotecan, bevacizumab, dendritic cell, systematic analysi
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