47 results found
RogersBroadway K, Kumar J, Sisu C, et al., Differential expression of mTOR components in endometriosis and ovarian cancer: Effects of rapalogues and dual kinase inhibitors on mTORC1 and mTORC2 stoichiometry, International Journal of Molecular Medicine, ISSN: 1107-3756
Ahmad T, Bouwman RA, Grigoras I, et al., 2017, In-hospital clinical outcomes after upper gastrointestinal surgery: Data from an international observational study, EJSO, Vol: 43, Pages: 2324-2332, ISSN: 0748-7983
Ahmad T, Bouwman RA, Grigoras I, et al., 2017, Use of failure-to-rescue to identify international variation in postoperative care in low-, middle- and high-income countries: a 7-day cohort study of elective surgery, BRITISH JOURNAL OF ANAESTHESIA, Vol: 119, Pages: 258-266, ISSN: 0007-0912
Phelps DL, Borley J, Flower K, et al., 2017, Methylation of MYLK3 gene promoter region: a biomarker to stratify surgical care in ovarian cancer in a multi-centre study, British Journal of Cancer, Vol: 116, Pages: 1287-1293, ISSN: 1532-1827
BackgroundSurvival benefit from surgical debulking of ovarian cancer (OC) is well established but some women, despite total macroscopic clearance of disease, still have poor prognosis. We aimed to identify biomarkers to predict benefit from conventional surgery.MethodsClinical data from women debulked for high-stage OC was analysed (Hammersmith Hospital, London, UK; 2001-2014). Infinium’s HumanMethylation27 array interrogated tumour-DNA for differentially-methylated CpG sites, correlated to survival, in patients with the least residual disease (RD) (Hammersmith Array). Validation was performed using bisulphite pyrosequencing (Charité Hospital, Berlin, Germany cohort) and The Cancer Genome Atlas’ (TCGA) methylation dataset. Kaplan-Meier curves and Cox models tested survival.ResultsAltogether 803 women with serous ovarian cancer were studied. No RD was associated with significantly improved overall- (OS) (hazard ratio [HR] 1.25, 95% CI 1.06-1.47; P=0.0076) and progression-free survival (PFS) (HR 1.23, 1.05-1.43; P=0.012) (Hammersmith database n=430). Differentially-methylated loci within FGF4, FGF21, MYLK2, MYLK3, MYL7, and ITGAE associated with survival. Patients with the least RD had significantly better OS with higher methylation of MYLK3 (Hammersmith (HR 0.51, 0.31-0.84; P=0.01), Charité (0.46, 0.21-1.01; P=0.05), TCGA (0.64, 0.44-0.93; P=0.02)). ConclusionMYLK3 methylation is associated with improved OS in patients with the least RD, which could potentially be used to determine response to surgery.
Chatterjee J, Dai W, Abd Aziz NH, et al., 2016, Clinical use of programmed cell death-1 (PD-1) and its ligand (PD-L1) expression as discriminatory and predictive markers in ovarian cancer, Clinical Cancer Research, Vol: 23, Pages: 3453-3460, ISSN: 1557-3265
Purpose We aimed to establish whether PD-1 and PD-L1 expression, in ovarian cancer (OC) tumour tissue and blood, could be used as biomarkers for discrimination of tumour histology and prognosis of OC. Experimental Design Immune cells were separated from blood, ascites and tumour tissue obtained from women with suspected OC and studied for the differential expression of possible immune biomarkers using flow cytometry. PD-L1 expression on tumour associated inflammatory cells was assessed by immunohistochemistry and tissue microarray. Plasma soluble PD-L1 was measured using sandwich ELISA. The relationships among immune markers were explored using hierarchical cluster analyses. Results Biomarkers from the discovery cohort that associated with PD-L1+ cells were found. PD-L1+ CD14+ cells and PD-L1+ CD11c+ cells in the monocyte gate showed a distinct expression pattern when comparing benign tumours and epithelial ovarian cancers (EOC) - confirmed in the validation cohort. Receiver operating characteristic curves showed PD-L1+ and PD-L1+ CD14+ cells in the monocyte gate performed better than the well-established tumour marker CA-125 alone. Plasma soluble PD-L1 was elevated in EOC patients compared to healthy women and patients with benign ovarian tumours. Low total PD-1+ expression on lymphocytes was associated with improved survival. Conclusions Differential expression of immunological markers relating to the PD-1/PD-L1 pathway in blood can be used as potential diagnostic and prognostic markers in EOC. These data have implications for the development and trial of anti PD-1/PD-L1 therapy in ovarian cancer.
Ahmad T, Bouwman RA, Grigoras I, et al., 2016, Global patient outcomes after elective surgery: prospective cohort study in 27 low-, middle- and high-income countries., British Journal of Anaesthesia, Vol: 117, Pages: 601-+, ISSN: 0007-0912
BackgroundAs global initiatives increase patient access to surgical treatments, there remains a need to understand the adverse effects of surgery and define appropriate levels of perioperative care.MethodsWe designed a prospective international 7-day cohort study of outcomes following elective adult inpatient surgery in 27 countries. The primary outcome was in-hospital complications. Secondary outcomes were death following a complication (failure to rescue) and death in hospital. Process measures were admission to critical care immediately after surgery or to treat a complication and duration of hospital stay. A single definition of critical care was used for all countries.ResultsA total of 474 hospitals in 19 high-, 7 middle- and 1 low-income country were included in the primary analysis. Data included 44 814 patients with a median hospital stay of 4 (range 2–7) days. A total of 7508 patients (16.8%) developed one or more postoperative complication and 207 died (0.5%). The overall mortality among patients who developed complications was 2.8%. Mortality following complications ranged from 2.4% for pulmonary embolism to 43.9% for cardiac arrest. A total of 4360 (9.7%) patients were admitted to a critical care unit as routine immediately after surgery, of whom 2198 (50.4%) developed a complication, with 105 (2.4%) deaths. A total of 1233 patients (16.4%) were admitted to a critical care unit to treat complications, with 119 (9.7%) deaths. Despite lower baseline risk, outcomes were similar in low- and middle-income compared with high-income countries.ConclusionsPoor patient outcomes are common after inpatient surgery. Global initiatives to increase access to surgical treatments should also address the need for safe perioperative care.
Jones B, Jeevananthan P, Sayasneh A, et al., 2016, The novel application of plasma energy as a tissue preserving treatment modality for vulval and perianal intraepithelial neoplasia, BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Vol: 123, Pages: 81-81, ISSN: 1470-0328
Chatterjee J, Howden S, Saso S, et al., 2016, Metastatic low-grade fibromyxoid sarcoma of the broad ligament: A case report and literature review., Journal of Obstetrics and Gynaecology, Pages: 1-3, ISSN: 1364-6893
Saso S, Louis LS, Doctor F, et al., 2015, Does fertility treatment increase the risk of uterine cancer? A meta-analysis, EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY, Vol: 195, Pages: 52-60, ISSN: 0301-2115
Rizzuto I, Stavraka C, Chatterjee J, et al., 2015, Risk of Ovarian Cancer Relapse Score A Prognostic Algorithm to Predict Relapse Following Treatment for Advanced Ovarian Cancer, International Journal of Gynecological Cancer, Vol: 25, Pages: 416-422, ISSN: 1525-1438
Objective: The aim of this study was to construct a prognostic index that predicts risk ofrelapse in women who have completed first-line treatment for ovarian cancer (OC).Methods: A database of OC cases from 2000 to 2010 was interrogated for InternationalFederation of Gynecology and Obstetrics stage, grade and histological subtype of cancer,preoperative and posttreatment CA-125 level, presence or absence of residual disease aftercytoreductive surgery and on postchemotherapy computed tomography scan, and time toprogression and death. The strongest predictors of relapse were included into an algorithm,the Risk of Ovarian Cancer Relapse (ROVAR) score.Results: Three hundred fifty-four cases of OC were analyzed to generate the ROVARscore. Factors selected were preoperative serum CA-125, International Federation ofGynecology and Obstetrics stage and grade of cancer, and presence of residual disease atposttreatment computed tomography scan. In the validation data set, the ROVAR score had asensitivity and specificity of 94% and 61%, respectively. The concordance index for thevalidation data set was 0.91 (95% confidence interval, 0.85-0.96). The score allows patientstratification into low (G0.33), intermediate (0.34Y0.67), and high (90.67) probability ofrelapse.Conclusions: The ROVAR score stratifies patients according to their risk of relapsefollowing first-line treatment for OC. This can broadly facilitate the appropriate tailoring ofposttreatment care and support.
Saso S, Petts G, David AL, et al., 2015, Achieving an early pregnancy following allogeneic uterine transplantation in a rabbit model, EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY, Vol: 185, Pages: 164-169, ISSN: 0301-2115
Chatterjee J, 2015, Cervical Cancer, Challenging Concepts in Obstetrics and Gynaecology Cases with Expert Commentary, Publisher: Oxford University Press, USA, ISBN: 9780199654994
Evidence base Clinical trials in cervical cancer There are several ongoing clinical trials in cervical cancer: ○ The surgical trials include study on sentinel nodes and various techniques for surgical staging. ○ CIRCCa (Cediranib in Recurrent ...
Chatterjee J, 2015, Recurrent ovarian cancer, Challenging Concepts in Obstetrics and Gynaecology Cases with Expert Commentary, Publisher: Oxford University Press, USA, ISBN: 9780199654994
Expert comment Within 12 months of completion of chemotherapy, there was recurrent disease evident on Mrs M's CT ... Learning point Recurrent Ovarian Cancer (ROC) ○ 70–90% of patients diagnosed with advanced ovarian cancer will at ...
Wali S, Chatterjee J, Zeegen R, et al., 2015, Concealed haematometra causing chronic upper abdominal pain., J Obstet Gynaecol, Vol: 35, Pages: 537-539
Saso S, Petts G, Chatterjee J, et al., 2014, Uterine allotransplantation in a rabbit model using aorto-caval anastomosis: a long-term viability study, EUROPEAN JOURNAL OF OBSTETRICS & GYNECOLOGY AND REPRODUCTIVE BIOLOGY, Vol: 182, Pages: 185-193, ISSN: 0301-2115
Datta S, Chatterjee J, Butt S, et al., 2014, Individual medical indemnity is essential for twenty-first century Obstetrics and Gynaecology practice, BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Vol: 121, Pages: 1444-1445, ISSN: 1470-0328
Saso S, Hurst S, Chatterjee J, et al., 2014, Test of long- term uterine survival after allogeneic transplantation in rabbits, JOURNAL OF OBSTETRICS AND GYNAECOLOGY RESEARCH, Vol: 40, Pages: 754-762, ISSN: 1341-8076
Maine CJ, Aziz NHA, Chatterjee J, et al., 2014, Programmed death ligand-1 over-expression correlates with malignancy and contributes to immune regulation in ovarian cancer, CANCER IMMUNOLOGY IMMUNOTHERAPY, Vol: 63, Pages: 215-224, ISSN: 0340-7004
Kyrgiou M, Chatterjee J, Lyus R, et al., 2013, The role of cytology and other prognostic factors in endometrial cancer, JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Vol: 33, Pages: 729-734, ISSN: 0144-3615
Saso S, Chatterjee J, Pai P, et al., 2013, Training the trainees: An evaluation exercise using the TLH and BSO model, JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Vol: 33, Pages: 548-552, ISSN: 0144-3615
Saso S, Chatterjee J, Thum Y, et al., 2013, Uterine viability following allogenic uterine transplantation in a rabbit model, RCOG World Congress, Liverpool, UK
Chatterjee J, Datta S, Butt S, et al., 2013, Personal professional indemnity and contractual issues for trainees in obstetrics and gynaecology, JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Vol: 33, Pages: 125-127, ISSN: 0144-3615
Saso S, Chatterjee J, Yazbek J, et al., 2012, A case of pregnancy following a modified Strassman procedure applied to treat a placental site trophoblastic tumour, BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Vol: 119, Pages: 1665-1667, ISSN: 1470-0328
Chatterjee J, Nor Haslinda AA, Maine C, et al., 2012, IL10 up-regulates PD-L1 expression on monocytes in ovarian cancer, 8th. NCRI Cancer Conference, Publisher: http://www.ncri.org.uk/ncriconference/2012abstracts/abstracts/A252.html
Chatterjee J, Farthing A, Joglekar-Pai P, et al., 2012, Total laparoscopic hysterectomy for early stage endometrial cancer in obese and morbidly obese women., Journal of Obstetrics and Gynaecology, Vol: 32, Pages: 580-584
Chatterjee J, Haslinda Abdul Aziz N, Maine C, et al., 2012, Role of PD-L1 in In-vitro Interaction Between T-cells and Ovarian Tumour Cells, 22nd.Biennial Conference of European Association for Cancer Research, ISSN: 0959-8049
Saso S, Chatterjee J, Smith JR, 2012, Radical trachelectomy: need for a randomized controlled trial?, ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA, Vol: 91, Pages: 758-759, ISSN: 0001-6349
Saso S, Ghaem-Maghami S, Chatterjee J, et al., 2012, Abdominal radical trachelectomy in West London, BJOG-AN INTERNATIONAL JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Vol: 119, Pages: 187-193, ISSN: 1470-0328
Saso S, Chatterjee J, Sousa C, et al., 2011, Immunology of Uterine Transplantation, A Road Map for Human Uterus Transplantation
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