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Sökning: WFRF:(Starkhammar Hans)

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11.
  • Drott, Jenny, et al. (författare)
  • The trajectory of neurotoxic side effects' impact on daily life: a qualitative study
  • 2016
  • Ingår i: Supportive Care in Cancer. - : Springer Science and Business Media LLC. - 0941-4355 .- 1433-7339. ; 24:8, s. 3455-3461
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE:The purpose of this study was to explore the experiences of oxaliplatin-induced neurotoxic side effects among patients with colorectal cancer (CRC) and how these side effects influenced their daily lives over time.METHODS:To assess neurotoxic side effects, ten patients were repeatedly interviewed. The patients were recruited from two hospitals in south of Sweden, had stage II-III CRC, and had been treated with adjuvant oxaliplatin postoperatively, from November 2013 to October 2015. They had received FOLFOX and XELOX, with a mean total dose of 791 mg oxaliplatin. After completed chemotherapy, at 3, 6, and 12 months into the post-treatment phase, 25 interviews were conducted and thematic analysis was used according to Braun and Clarke.RESULTS:Oxaliplatin-induced neurotoxicity affects patients in several ways in the long term. Four themes were identified: Expectation of cure, Dubiety, Normalization, and Learn to live with neurotoxicity. The findings of this study describe the trajectory of neurotoxicity and its impact on these patients' life situation. The findings confirmed that neurotoxicity is multi-faceted and that the experience of it changes over time.CONCLUSION:The desire to survive stimulates adaptations and strategies to manage daily life, and patients learn to live with the neurotoxic side effects. This study provides evidence that these patients need individual attention and support during the trajectory of neurotoxic side effects. Current care provision is inadequate due to a lack of knowledge of the ways in which neurotoxicity impacts the patient's daily life. This study provides insights that could be used to develop a more person-centered care.
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12.
  • Glimelius, Bengt, et al. (författare)
  • A randomized phase III multicenter trial comparing irinotecan in combination with the Nordic bolus 5-FU and folinic acid schedule or the bolus/infused de Gramont schedule (Lv5FU2) in patients with metastatic colorectal cancer
  • 2008
  • Ingår i: Annals of Oncology. - : Elsevier BV. - 0923-7534 .- 1569-8041. ; 19:5, s. 909-914
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: To compare irinotecan with the Nordic 5-fluorouracil (5-FU) and folinic acid (FA) bolus schedule [irinotecan 180 mg/m2 on day 1, 5-FU 500 mg/m2 and FA 60 mg/m2 on day 1 and 2 (FLIRI)] or the Lv5FU2 schedule [irinotecan 180 mg/m2 on day 1, FA 200 mg/m2, 5-FU bolus 400 mg/m2 and infused 5-FU 600 mg/m2 on day 1 and 2 (Lv5FU2-IRI)] due to uncertainties about how to administrate 5-FU with irinotecan. Patients and methods: Patients (n = 567) with metastatic colorectal cancer were randomly assigned to receive FLIRI or Lv5FU2-IRI. Primary end point was progression-free survival (PFS). Results: Patient characteristics were well balanced. PFS did not differ between groups (median 9 months, P = 0.22). Overall survival (OS) was also similar (median 19 months, P = 0.9). Fewer objective responses were seen in the FLIRI group (35% versus 49%, P = 0.001) but the metastatic resection rate did not differ (4% versus 6%, P = 0.3). Grade 3/4 neutropenia (11% versus 5%, P = 0.01) and grade 2 alopecia (18% versus 9%, P = 0.002) were more common in the FLIRI group. The 60-day mortality was 2.4% versus 2.1%. Conclusions: Irinotecan with the bolus Nordic schedule (FLIRI) is a convenient treatment with PFS and OS comparable to irinotecan with the Lv5FU2 schedule. Neutropenia and alopecia are more prevalent, but both regimens are equally well tolerated. © The Author 2008. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved.
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13.
  • Glimelius, Bengt, et al. (författare)
  • Adjuvant chemotherapy in colorectal cancer: a joint analysis of randomised trials by the Nordic Gastrointestinal Tumour Adjuvant Therapy Group
  • 2005
  • Ingår i: Acta Oncol. - : Informa UK Limited. - 0284-186X .- 1651-226X. ; 44:8, s. 904-12
  • Tidskriftsartikel (refereegranskat)abstract
    • Due to uncertainties regarding clinically meaningful gains from adjuvant chemotherapy after colorectal cancer surgery, several Nordic Groups in the early 1990s initiated randomised trials to prove or reject such gains. This report gives the joint analyses after a minimum 5-year follow-up. Between October 1991 and December 1997, 2 224 patients under 76 years of age with colorectal cancer stages II and III were randomised to surgery alone (n = 1 121) or adjuvant chemotherapy (n = 1 103) which varied between trials (5FU/levamisole for 12 months, n = 444; 5FU/leucovorin for 4-5 months according to either a modified Mayo Clinic schedule (n = 262) or the Nordic schedule (n = 397). Some centres also randomised patients treated with 5FU/leucovorin to+/-levamisole). A total of 812 patients had colon cancer stage II, 708 colon cancer stage III, 323 rectal cancer stage II and 368 rectal cancer stage III. All analyses were according to intention-to-treat. No statistically significant difference in overall survival, stratified for country or region, could be found in any group of patients according to stage or site. In colon cancer stage III, an absolute difference of 7% (p = 0.15), favouring chemotherapy, was seen. The present analyses corroborate a small but clinically meaningful survival gain from adjuvant chemotherapy in colon cancer stage III, but not in the other presentations.
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14.
  • Gnosa, Sebastian, 1984- (författare)
  • Astrocyte elevated gene-1 in relation to colorectal cancer development and radiotherapy response
  • 2015
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The incidence and death rate for colorectal cancer (CRC) decreased during the last decades as a result of improved diagnosis and treatment. However, CRC is still the third most common cancer in the world, and is responsible for about 700 000 deaths per year worldwide. Therefore, it is important to understand the mechanisms of the disease, and to find molecular markers in order to further improve prognosis, and to develop new treatment strategies. Astrocyte elevated gene-1 (AEG-1), encoded by the MTDH gene, is upregulated in a variety of cancers. AEG-1 is involved in cell survival, proliferation, migration, invasion, metastasis,  angiogenesis, and apoptosis.The aim of this thesis was to investigate the role of AEG-1 in CRC development and the impact of AEG-1 on the response of radiation treatment. The AEG-1 expression, analysed in different CRC patient cohorts in paper I and III, was increased in the tumour tissue compared with the normal mucosa, and higher in the lymph node and liver metastases. Expression analyses in normal and cancer cell lines confirmed these results. In paper II, sequencing of the complete coding sequence of the MTDH gene in 356 patients revealed 50 single nucleotide variants of which 29 were novel. Eight exonic variants were detected, including three frameshift variants which were probably pathogenic, and two missense variants located in functional protein regions. There was no correlation of the MTDH variants or AEG-1 expression with the patient survival. In paper III, we also investigated the impact of AEG-1 on the response to radiation treatment. AEG-1 knockdown decreased the cellular survival upon radiation in several colon cancer cell lines. The AEG-1 expression was furthermore analysed in patients, which were randomised to either surgery alone or preoperative radiotherapy (RT), followed by surgery. The rectal cancer patients with high AEG-1 expression treated with RT had a significantly higher risk of developing distant recurrence and had a worse disease free survival, likely due to the metastasis promoting properties of AEG-1. In paper IV, the impact of AEG-1 knockdown and radiation on migration and invasion was analysed in colon cancer cell lines in vitro  and in a novel zebrafish model in vivo. AEG-1 knockdown decreased migration and invasion, and radiation-enhanced migration and invasion in the cell lines tested.In conclusion, our data suggest that AEG-1 is involved in CRC development, while MTDH gene variants probably not have a high clinical importance in CRC. Furthermore, AEG-1 is a promising radiosensitising target and a valuable prognostic marker in CRC. We further showed that AEG-1 knockdown inhibits migration and invasion, as well as radiation-enhanced cell migration and invasion.
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15.
  • Hardell, L, et al. (författare)
  • Concentrations of polychlorinated biphenyls in blood and the risk for testicular cancer
  • 2004
  • Ingår i: International Journal of Andrology. - : Wiley. - 0105-6263 .- 1365-2605. ; 27:5, s. 282-290
  • Tidskriftsartikel (refereegranskat)abstract
    • An increasing incidence of testicular cancer has been reported from several western countries during the last decades. According to current hypothesis testicular cancer is initiated during the foetal period and exposure to endocrine disruptors such as some persistent organic pollutants has been of concern. We have previously reported the results for concentrations of polychlorinated biphenyls (PCBs), p,p'-dichlorodiphenyl-dichloroethylene (pp'-DDE), hexachlorobenzene (HCB) and chlordanes in 58 cases with testicular cancer, 61 age-matched controls and 44 case mothers and 45 control mothers. In that report, significant increase of odds ratio (OR) was found for sum of PCBs, HCB, trans- and cis-nonachlordane in case mothers. These data have now been further analysed for 37 congeners of PCBs. No significant differences were found among cases and controls. However, case mothers had significantly increased concentrations of a number of PCB congeners. A priori decided grouping of PCBs yielded for oestrogenic PCBs OR = 2.4, 95% confidence interval (CI) = 0.95-6.0, enzyme-inducing PCBsOR = 2.6, 95% CI = 1.03-6.5 and toxic equivalents (TEQ) yielded OR = 3.3, 95% CI = 1.3-8.4. These data further elucidate the role of foetal exposure to different PCB congeners in the aetiology of testicular cancer.
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16.
  • Hardell, L, et al. (författare)
  • Increased concentrations of polychlorinated biphenyls, hexachlorobenzene, and chlordanes in mothers of men with testicular cancer
  • 2003
  • Ingår i: Journal of Environmental Health Perspectives. - : Environmental Health Perspectives. - 0091-6765 .- 1552-9924. ; 111:7, s. 930-934
  • Tidskriftsartikel (refereegranskat)abstract
    • An increasing incidence of testicular cancer has been reported from several countries in the Western world during the last decades. According to current hypothesis, testicular cancer is initiated during the fetal period, and exposure to endocrine disruptors, i.e., xenoestrogens, has been of concern. In this investigation we studied the concentrations of the sum of 38 polychlorinated biphenyls (PCBs), p,p'-dichlorodiphenyl-dichloroethylene, hexachlorobenzene (HCB), and chlordanes, in 61 cases with testicular cancer and 58 age-matched controls. Furthermore, case and control mothers were also asked to participate, and 44 case mothers and 45 control mothers agreed. They were of similar age. In cases only the concentration on lipid basis of cis-nonachlordane was significantly increased, whereas case mothers showed significantly increased concentrations of the sum of PCBs, HCB, trans- and cis-nonachlordane, and the sum of chlordanes. Among case mothers the sum of PCBs yielded an odds ratio (OR) of 3.8, 95% confidence interval (CI), 1.4-10 was calculated using the median concentration for the control mothers as cutoff value. For HCB, OR = 4.4 (95% CI, 1.7-12), for trans-nonachlordane, OR = 4.1 (95% CI, 1.5-11), for cis-nonachlordane, OR = 3.1 (95% CI, 1.2-7.8), and for sum of chlordanes, OR = 1.9 (95% CI, 0.7-5.0). No consistent different risk pattern was found for seminoma. or nonseminoma testicular cancer.
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17.
  • Heedman, Per-Anders, et al. (författare)
  • Patterns of referral to a palliative care unit : An indicator of different attitudes toward the dying patient?
  • 2002
  • Ingår i: Journal of Palliative Medicine. - 1096-6218 .- 1557-7740. ; 5:1, s. 101-106
  • Tidskriftsartikel (refereegranskat)abstract
    • In 1996 a specialized palliative care unit was opened at the Link÷ping University Hospital in Sweden and different patterns of referral from different parts of the district soon became apparent. The aim of this study was to investigate the mechanisms underlying these patterns. During the first 6 months, 133 referrals were analyzed. The stated reason for referral and the actual content of care were, in each case, classified into five groups: symptom control, terminal care, rehabilitation, respite care, and special treatment and investigations. The stated reason for referral and the content of care coincided in three groups: terminal care, rehabilitation, and special treatment and investigations. When symptom control was the stated reason for referral, it was the main content of care in only 33 of 78 cases, while terminal care was the actual main content in 28 of 78 cases. Variations in patterns of referral were also observed in the different hospital-based home care teams (HBHC). In our study differences in the three HBHC teams regarding knowledge, skill, and attitudes might be reflected in variations in patterns of referral. The results illustrate the need for further education regarding referral indications, improvements in documentation of reason for referral, improved communication between HBHC teams and the palliative care unit, and improved prognostication at the end of life.
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18.
  • Heedman, P. A., et al. (författare)
  • Variation at presentation among colon cancer patients with metastases: a population-based study
  • 2015
  • Ingår i: Colorectal Disease. - : Wiley: 12 months. - 1462-8910 .- 1463-1318. ; 17:5, s. 403-408
  • Tidskriftsartikel (refereegranskat)abstract
    • AimThe study aimed to describe and follow a 2year cohort of colon cancer patients with Stage IV disease from presentation to long-term outcome. MethodThe records of 177 colon cancer patients diagnosed in southeast Sweden during 2009-2010 with disseminated disease at presentation were reviewed retrospectively. ResultsThe patients were heterogeneous with respect to age, performance status and survival. Despite metastatic disease, local symptoms from the primary tumour dominated the initial clinical picture. Forty-one per cent had anaemia. The time from suspicion of colon cancer to established diagnosis of disseminated disease varied from 0 to 231days (emergency cases included, median 12days). The majority (77%) were diagnosed in hospital. In 53% the primary tumour and the metastases were not diagnosed on the same occasion which may increase the risk for misinformation or delays in the care process. The possibility of simultaneous diagnosis was doubled when the patient was investigated as an inpatient. Patients were seen by one to 12 physicians (median three) in the investigation phase, and one to 47 (median 11) from diagnosis until the last record in the hospital notes. The 1-year survival was 46%. ConclusionPatients with metastatic colon cancer at presentation are heterogeneous and warrant an adapted multidisciplinary approach to achieve the goal of individualized treatment for each patient in accordance with the Swedish national cancer strategy.
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19.
  • Lyth, Johan, 1980- (författare)
  • Clinical-epidemiological studies on cutaneous malignant melanoma : A register approach
  • 2015
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The incidence of cutaneous malignant melanoma (CMM) is steadily increasing. Most of the patients have thin CMM with a good prognosis and a 5-year survival of about 90%. The prognosis is highly related to tumour thickness and clinical stage at diagnosis. Effective systemic treatment for patients with metastatic disease has only recently been available. This thesis aims to increase knowledge of trends in tumour thickness, prognostic factors, socioeconomic differences and medical costs in patients with CMM.The population-based Swedish melanoma register is the main source of data in all papers in the thesis. Papers I-III include patients from all of Sweden while paper IV is delimited to the County of Östergötland. Cox regression and logistic regression are the main multivariable methods used. Paper IV is focused on stage-specific costs of CMM by comparing direct healthcare costs to a general population.For men, there has been a shift over time towards thinner tumours at diagnosis accompanied by an improved survival. Women are still diagnosed with considerably thinner tumours and they experience a better survival than men. Tumour ulceration, tumour thickness and Clark’s level of invasion all showed significant independent long-term prognostic information in T1 CMMs. By combining these factors, three distinct prognostic subgroups were identified. Lower level of education was associated with reduced CMM-specific survival, which may at least partially be attributed to a more advanced stage at diagnosis. The direct healthcare costs for CMM patients were significantly higher than for the general population, independent of clinical stage. CMM patients diagnosed in clinical stage III-IV were associated with particularly high costs.Even though the survival among Swedish patients with CMM is among the highest in the world and still seems to improve, the results of this thesis emphasise the need of improved early detection strategies. This may be of particular concern in men, older women, and groups with a low level of education. The results also imply that the costs for the management of CMM patients may be reduced if early detection efforts are successful and lead to a more favourable stage distribution. The finding of a better risk stratification of thin CMMs may help to improve the management of this large patient group.
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20.
  • Lööf, Jasmine, 1982-, et al. (författare)
  • Impact of PINCH expression on survival in colorectal cancer patients
  • 2011
  • Ingår i: BMC CANCER. - : BioMed Central. - 1471-2407. ; 11:103
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The adaptor protein PINCH is overexpressed in the stroma of several types of cancer, and is an independent prognostic marker in colorectal cancer. In this study we further investigate the relationship of PINCH and survival regarding the response to chemotherapy in colorectal cancer. Results: Paraffin-embedded tissue sections from 251 primary adenocarcinomas, 149 samples of adjacent normal mucosa, 57 samples of distant normal mucosa and 75 lymph node metastases were used for immunohistochemical staining. Stromal staining for PINCH increased from normal mucosa to primary tumour to metastasis. Strong staining in adjacent normal mucosa was related to worse survival independently of sex, age, tumour location, differentiation and stage (p = 0.044, HR, 1.60, 95% Cl, 1.01-2.52). PINCH staining at the invasive margin tended to be related to survival (p = 0.051). In poorly differentiated tumours PINCH staining at the invasive margin was related to survival independently of sex, age and stage (p = 0.013, HR, 1.90, 95% Cl, 1.14-3.16), while in better differentiated tumours it was not. In patients with weak staining, adjuvant chemotherapy was related to survival (p = 0.010, 0.013 and 0.013 in entire tumour area, invasive margin and inner tumour area, respectively), but not in patients with strong staining. However, in the multivariate analysis no such relationship was seen. Conclusions: PINCH staining in normal adjacent mucosa was related to survival. Further, PINCH staining at the tumour invasive margin was related to survival in poorly differentiated tumours but not in better differentiated tumours, indicating that the impact of PINCH on prognosis was dependent on differentiation status.
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