| 1. |
- Beyer, J., et al.
(författare)
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Maintaining success, reducing treatment burden, focusing on survivorship: highlights from the third European consensus conference on diagnosis and treatment of germ-cell cancer
- 2013
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Ingår i: Annals of Oncology. - : Elsevier BV. - 1569-8041 .- 0923-7534. ; 24:4, s. 878-888
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Forskningsöversikt (refereegranskat)abstract
- In November 2011, the Third European Consensus Conference on Diagnosis and Treatment of Germ-Cell Cancer (GCC) was held in Berlin, Germany. This third conference followed similar meetings in 2003 (Essen, Germany) and 2006 (Amsterdam, The Netherlands) [Schmoll H-J, Souchon R, Krege S et al. European consensus on diagnosis and treatment of germ-cell cancer: a report of the European Germ-Cell Cancer Consensus Group (EGCCCG). Ann Oncol 2004; 15: 1377-1399; Krege S, Beyer J, Souchon R et al. European consensus conference on diagnosis and treatment of germ-cell cancer: a report of the second meeting of the European Germ-Cell Cancer Consensus group (EGCCCG): part I. Eur Urol 2008; 53: 478-496; Krege S, Beyer J, Souchon R et al. European consensus conference on diagnosis and treatment of germ-cell cancer: a report of the second meeting of the European Germ-Cell Cancer Consensus group (EGCCCG): part II. Eur Urol 2008; 53: 497-513]. A panel of 56 of 60 invited GCC experts from all across Europe discussed all aspects on diagnosis and treatment of GCC, with a particular focus on acute and late toxic effects as well as on survivorship issues. The panel consisted of oncologists, urologic surgeons, radiooncologists, pathologists and basic scientists, who are all actively involved in care of GCC patients. Panelists were chosen based on the publication activity in recent years. Before the meeting, panelists were asked to review the literature published since 2006 in 20 major areas concerning all aspects of diagnosis, treatment and follow-up of GCC patients, and to prepare an updated version of the previous recommendations to be discussed at the conference. In addition, similar to 50 E-vote questions were drafted and presented at the conference to address the most controversial areas for a poll of expert opinions. Here, we present the main recommendations and controversies of this meeting. The votes of the panelists are added as online supplements.
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| 4. |
- Albers, P, et al.
(författare)
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Guidelines on testicular cancer
- 2005
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Ingår i: European urology. - : Elsevier BV. - 0302-2838. ; 48:6, s. 885-894
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Tidskriftsartikel (refereegranskat)
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- Gerdtsson, Axel, et al.
(författare)
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Validation of a prediction model for post-chemotherapy fibrosis in nonseminoma patients
- 2023
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Ingår i: Bju International. - 1464-4096 .- 1464-410X. ; 132:3, s. 329-336
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Tidskriftsartikel (refereegranskat)abstract
- Objective To validate Vergouwe's prediction model using the Swedish and Norwegian Testicular Cancer Group (SWENOTECA) RETROP database and to define its clinical utility. Materials and methods Vergouwe's prediction model for benign histopathology in post-chemotherapy retroperitoneal lymph node dissection (PCRPLND) uses the following variables: presence of teratoma in orchiectomy specimen; pre-chemotherapy level of alphafetoprotein; b-Human chorionic gonadotropin and lactate dehydrogenase; and lymph node size pre- and postchemotherapy. Our validation cohort consisted of patients included in RETROP, a prospective population-based database of patients in Sweden and Norway with metastatic nonseminoma, who underwent PC-RPLND in the period 2007-2014. Discrimination and calibration analyses were used to validate Vergouwe's prediction model results. Calibration plots were created and a Hosmer-Lemeshow test was calculated. Clinical utility, expressed as opt-out net benefit (NBopt-out), was analysed using decision curve analysis. Results Overall, 284 patients were included in the analysis, of whom 130 (46%) had benign histology after PC-RPLND. Discrimination analysis showed good reproducibility, with an area under the receiver-operating characteristic curve (AUC) of 0.82 (95% confidence interval 0.77-0.87) compared to Vergouwe's prediction model (AUC between 0.77 and 0.84). Calibration was acceptable with no recalibration. Using a prediction threshold of 70% for benign histopathology, NBopt-out was 0.098. Using the model and this threshold, 61 patients would have been spared surgery. However, only 51 of 61 were correctly classified as benign. Conclusions The model was externally validated with good reproducibility. In a clinical setting, the model may identify patients with a high chance of benign histopathology, thereby sparing patients of surgery. However, meticulous follow-up is required.
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- Cohn-Cedermark, G, et al.
(författare)
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Long term results of a randomized study by the Swedish Melanoma Study Group on 2-cm versus 5-cm resection margins for patients with cutaneous melanoma with a tumor thickness of 0.8-2.0 mm
- 2000
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Ingår i: Cancer. - 0008-543X .- 1097-0142. ; 89:7, s. 1495-1501
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND. Large, prospective, randomized trials with long term follow-up are required to obtain an unbiased evaluation of the significance of resection margins in patients with cutaneous melanoma. METHODS, The Swedish Melanoma Study Group performed a prospective, randomized, multicenter study of patients with primary melanoma located on trunk or extremities and with a tumor thickness > 0.8 mm and less than or equal to 2 mm. Patients were allocated randomly to a 2-cm excision margin or a 5-cm excision margin. In total, 989 patients were recruited during the period 1982-1991. The median follow-up, was 11 years (range, 7-17 years) for estimation of survival and 8 years (range, 0-17 years) for evaluation of recurrent disease. RESULTS. The crude rate of local recurrence, defined as a recurrence in the scar or transplant, was < 1% (8 of 989 patients). Twenty percent of the patients (194 of 989 patients) experienced any disease recurrence, and 15% (146 of 989 patients) died of melanoma. There were no statistically significant differences between the two treatment arms. In a multivariate Cox analysis with patients allocated to wide excision as the reference group, the estimated relative hazards for overall survival and recurrence free survival among those allocated to a 2-cm resection margin were 0.96 (95% confidence interval, 0.75-1.24), and 1.02 (95% confidence interval, 0.80-1.30), respectively. CONCLUSIONS. In this long term follow-up study, local recurrences were found to be rare among patients with tumors > 0.8 mm thick and less than or equal to 2.0 mm thick. Mo difference in recurrence rate or survival between the two treatment groups was found. Patients in this category can be treated with a resection margin of 2 cm as safely as with a resection margin of 5 cm. Cancer 2000,89:1495-501. (C) 2000 American Cancer Society.
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| 22. |
- Cohn-Cedermark, G., et al.
(författare)
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Surveillance vs. adjuvant therapy of clinical stage I testicular tumors - a review and the SWENOTECA experience
- 2015
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Ingår i: Andrology. - : Wiley. - 2047-2927 .- 2047-2919. ; 3:1, s. 102-110
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Forskningsöversikt (refereegranskat)abstract
- Although clinical stage I (CS I) testicular cancer is highly curable, the optimal management is controversial. The aims of the Swedish and Norwegian Testicular Cancer Group (SWENOTECA) studies for CS I non-seminoma (NS) and seminoma (S) have been to reduce treatment intensity while maintaining high survival rates, reduce the number of patients needing salvage treatment and implement patient autonomy with regard to adjuvant treatment. During 1998-2010 NS CSI patients with lymphovascular invasion (LVI) of the primary tumor (high risk) were recommended bleomycin, etoposide, cisplatin (BEP)x1. During 2000-2006 S CS I patients had the option to choose surveillance or adjuvant radiotherapy (AR). In 2004, carboplatinx1 (AUC7) was added as a third treatment option. In 2007 a new risk-adapted treatment protocol for S CS I was initiated. Patients with two risk factors (tumor size>4cm, tumor growth in the rete testis) were recommended carboplatinx1 and patients with 0-1 risk factor were recommended surveillance. All patients were provided with oral and written information of possible management options and could choose the other alternative. The relapse rate for NS CS I with BEPx1 was 3.2% for high risk, and 1.6% for low-risk patients. Five-year cause-specific survival was 100%. For S CS I-patients treated before 2007, 14.3% on surveillance relapsed, 3.9% after carboplatin, and 0.8% after AR. Five-year cause-specific survival was 99.9%. For S CS I-patients treated from 2007, a relapse rate <3% was confirmed for patients without risk factors. SWENOTECA considers BEPx1 standard adjuvant treatment in NS CS I high-risk patients. Low-risk patients should have the opportunity to receive BEPx1 following thorough information regarding pros and cons. For S CS I patients without risk factors, adjuvant treatment is not necessary. For patients with risk factors, patient autonomy should be respected.
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- Isaksson, Sigrid, et al.
(författare)
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Inhibin B concentration is predictive for long-term azoospermia in men treated for testicular cancer.
- 2014
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Ingår i: Andrology. - : Wiley. - 2047-2927 .- 2047-2919. ; 2:2, s. 252-258
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Tidskriftsartikel (refereegranskat)abstract
- Azoospermia is a serious potential side effect following treatment for testicular cancer (TC). Our purpose was to examine possible predictors of long-term azoospermia in TC survivors. Ejaculates and blood samples were obtained from 217 patients at post-orchidectomy but before further treatment (T0 ) and/or at one or more of the time points 6, 12, 24, 36-60 months after treatment (T6 , T12 , T24 , T36-60 ). All patients delivered ejaculates at T36-60 , of which 117 also had confirmed presence of spermatozoa in the ejaculate at T0 , enabling longitudinal analyses. Types of therapy, cryptorchidism and Inhibin B before and after treatment were evaluated in relation to risk of azoospermia at T36 . Inhibin B levels at T6 , T12 and T24 were predictors of azoospermia at T36 with cut-off levels at 49.7, 55.9 and 97.8 ng/L respectively (sensitivity 100%, specificity 57-78%). The frequency of azoospermia in all patients at T36-60 was 7.8% (95% CI 4.9-12%). As compared to surveillance patients, only those receiving >4 cycles of chemotherapy or ≥4 cycles of chemotherapy + radiotherapy (RT) had increased risk of long-term azoospermia (63% vs. 4.4% in the surveillance group; p = 0.0018). In conclusion, all patients with sperm production at post-orchidectomy but before further treatment and Inhibin B >56 ng/L 12 months after treatment had sperm production 3 years post-treatment. Eight per cent of TC survivors had azoospermia 3-5 years post-treatment, with highest risk in those receiving >4 cycles of chemotherapy or ≥4 cycles of chemotherapy in combination with RT.
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| 35. |
- Krege, Susanne, et al.
(författare)
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European consensus conference on diagnosis and treatment of germ cell cancer: A report of the second meeting of the European Germ Cell Cancer Consensus Group (EGCCCG): Part I
- 2008
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Ingår i: European Urology. - : Elsevier BV. - 1873-7560 .- 0302-2838. ; 53:3, s. 478-496
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Forskningsöversikt (refereegranskat)abstract
- Objectives: The first consensus report presented by the European Germ Cell Cancer Consensus Group (EGCCCG) in the year 2004 has found widespread approval by many colleagues throughout the world. In November 2006, the group met a second time under the auspices of the Department of Urology of the Amsterdam Medical Center, Amsterdam, The Netherlands. Methods: Medical oncologists, urological surgeons, radiation oncologists as well as pathologists from several European countries reviewed and discussed the data that had emerged since the 2002 conference, and incorporated the new data into updated and revised guidelines. As for the first meeting, the methodology of evidence-based medicine (EBM) was applied. The results of the discussion were compiled by the writing committee. All participants have agreed to this final update. Results: The first part of the consensus paper describes the clinical presentation of the primary tumor, its treatment, the importance and treatment of testicular intraepithelial neoplasia (TIN), histological classification, staging and prognostic factors, and treatment of stage I seminoma and non-seminoma. Conclusions: Whereas the vast majority of the recommendations made in 2004 remain valid 3 yr later, refinements in the treatment of early- and advanced-stage testicular cancer have emerged from clinical trials. Despite technical improvements, expert clinical skills will continue to be one of the major determinants for the prognosis of patients with germ cell cancer. In addition, the particular needs of testicular cancer survivors have been acknowledged. (C) 2007 European Association of Urology. Published by Elsevier B.V. All rights reserved.
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| 36. |
- Krege, Susanne, et al.
(författare)
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European consensus conference on diagnosis and treatment of germ cell cancer: A report of the second meeting of the European Germ Cell Cancer Consensus Group (EGCCCG): Part II
- 2008
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Ingår i: European Urology. - : Elsevier BV. - 1873-7560 .- 0302-2838. ; 53:3, s. 497-513
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Forskningsöversikt (refereegranskat)abstract
- Objectives: The first consensus report that had been presented by the European Germ Cell Cancer Consensus Group (EGCCCG) in 2004 has found widespread approval by many colleagues throughout the world. In November 2006, the group met a second time under the auspices of the Department of Urology of the Amsterdam Medical Center, The Netherlands. Methods: Medical oncologists, urologic surgeons, radiation oncologists as well as pathologists from several European countries reviewed and discussed the data that had emerged since the 2002 conference and incorporated the new data into updated and revised guidelines. As for the first meeting the methodology of evidence-based medicine (EBM) was applied. The results of the discussion were compiled by the writing committee. All participants have agreed to this final update. Results: The second part of the consensus paper includes the treatment of metastasised disease, residual tumour resection, salvage therapy, follow-up, and late toxicities. Conclusions: Whereas the vast majority of the recommendations made in 2004 remain valid 3 yr later, refinements in the treatment of early-stage as well as of advanced-stage testicular cancer have emerged from clinical trials. Despite technical improvements, expert clinical skills will continue to be one of the major determinants for the prognosis of patients with germ cell cancer. in addition, the particular needs of testicular cancer survivors have been acknowledged. (C) 2007 European Association of Urology. Published by Elsevier B.V. All rights reserved.
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| 38. |
- Li, CD, et al.
(författare)
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A gene expression signature to predicit overall, prostate cancer, and non-prostate cancer survival
- 2013
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Ingår i: JOURNAL OF CLINICAL ONCOLOGY. - : American Society of Clinical Oncology (ASCO). - 0732-183X .- 1527-7755. ; 31:6
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- 51 Background: For prostate cancer patients, prostate cancer specific and non-prostate cancer specific survival have the same importance. This study aimed at identifying expression biomarkers that can predict prostate cancer specific, non-prostate cancer specific and overall survival at diagnosis. Methods: Selected ESCGPs (embryonic stem cell gene predictors) and control genes were analyzed by multiplex quantitative PCR using prostate fine-needle aspiration samples taken at diagnosis from a Swedish cohort of 189 prostate cancer patients diagnosed between 1986 and 2000. Of all patients, 97.9% had overall and cancer-specific survival data and 77.9% were primarily treated only by hormone therapy. The cohort was divided into one discovery and two validation subsets. Univariate and multivariate Cox proportional hazard ratios and Kaplan-Meier plots were used for the survival analysis. A published dataset was used for external validation. Results: An expression signature of F3, VGLL3 and IGFBP3, was sufficient to categorize the patients into high-risk, intermediate-risk and low-risk subtypes. The median overall survival of the subtypes was 3.23, 4.00 and 9.85 years respectively. The difference corresponded to HRs of 5.86 (95% CI 2.91-11.78, P<0.001) for the high-risk and 3.45 (95% CI 1.79-6.66, P<0.001) for the intermediate-risk compared to the low-risk subtype. This signature is significant in correlation to overall, cancer-specific and non-cancer specific survival in both univariate and multivariate analyses including common clinical parameters. Conclusions: These results suggest that these novel expression biomarkers and the expression signature could be used to improve the accuracy of the currently available clinical tools for predicting overall, cancer-specific and non-cancer specific survival and selecting patients with potential survival benefit from hormone treatment.
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- Tandstad, T., et al.
(författare)
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One course of adjuvant BEP in clinical stage I nonseminoma mature and expanded results from the SWENOTECA group
- 2014
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Ingår i: Annals of Oncology. - : Elsevier BV. - 0923-7534 .- 1569-8041. ; 25:11, s. 2167-2172
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Tidskriftsartikel (refereegranskat)abstract
- The SWENOTECA group treated 517 clinical stage I nonseminoma patients with one course of adjuvant BEP in a prospective study. The median follow-up is 7.9 years. One course of adjuvant BEP reduced the risk of relapse by over 90%. The relapse rates were 1.6% in low-risk disease and 3.2% in high-risk disease. One course of adjuvant BEP should be considered a standard adjuvant treatment option.SWENOTECA has since 1998 offered patients with clinical stage I (CS I) nonseminoma, adjuvant chemotherapy with one course of bleomycin, etoposide and cisplatin (BEP). The aim has been to reduce the risk of relapse, sparing patients the need of toxic salvage treatment. Initial results on 312 patients treated with one course of adjuvant BEP, with a median follow-up of 4.5 years, have been previously published. We now report mature and expanded results. In a prospective, binational, population-based risk-adapted treatment protocol, 517 Norwegian and Swedish patients with CS I nonseminoma received one course of adjuvant BEP. Patients with lymphovascular invasion (LVI) in the primary testicular tumor were recommended one course of adjuvant BEP. Patients without LVI could choose between surveillance and one course of adjuvant BEP. Data for patients receiving one course of BEP are presented in this study. At a median follow-up of 7.9 years, 12 relapses have occurred, all with IGCCC good prognosis. The latest relapse occurred 3.3 years after adjuvant treatment. The relapse rate at 5 years was 3.2% for patients with LVI and 1.6% for patients without LVI. Five-year cause-specific survival was 100%. The updated and expanded results confirm a low relapse rate following one course of adjuvant BEP in CS I nonseminoma. One course of adjuvant BEP should be considered a standard treatment in CS I nonseminoma with LVI. For patients with CS I nonseminoma without LVI, one course of adjuvant BEP is also a treatment option.
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