Survival after childhood cancer has improved substantially over recent decades. Although cancer i... more Survival after childhood cancer has improved substantially over recent decades. Although cancer in childhood is rare increasingly effective treatments have led to a growing number of long-term survivors. It is estimated that there are between 300,000 and 500,000 childhood cancer survivors in Europe. Such good survival prospects raise important questions relating to late effects of treatment for cancer. Research has shown that the majority will suffer adverse health outcomes and premature mortality compared with the general population. While chronic health conditions are common among childhood cancer survivors, each specific type of late effect is very rare. Long-term effects must be considered particularly when addressing complex multimodality treatments, and taking into account the interaction between aspects of treatment and genotype. The PanCare Network was set up across Europe in order to effectively answer many of these questions and thereby improve the care and quality of life of survivors. The need for a structured long-term follow-up system after childhood cancer has been recognised for some time and strategies for implementation have been developed, first nationally and then trans-nationally, across Europe. Since its first meeting in Lund in 2008, the goal of the PanCare Network has been to coordinate and implement these strategies to ensure that every European survivor of childhood and adolescent cancer receives optimal long-term care. This paper will outline the structure and work of the PanCare Network, including the results of several European surveys, the start of two EU-funded projects and interactions with relevant stakeholders and related projects.
Survival after childhood cancer has improved substantially over recent decades. Although cancer i... more Survival after childhood cancer has improved substantially over recent decades. Although cancer in childhood is rare increasingly effective treatments have led to a growing number of long-term survivors. It is estimated that there are between 300,000 and 500,000 childhood cancer survivors in Europe. Such good survival prospects raise important questions relating to late effects of treatment for cancer. Research has shown that the majority will suffer adverse health outcomes and premature mortality compared with the general population. While chronic health conditions are common among childhood cancer survivors, each specific type of late effect is very rare. Long-term effects must be considered particularly when addressing complex multimodality treatments, and taking into account the interaction between aspects of treatment and genotype. The PanCare Network was set up across Europe in order to effectively answer many of these questions and thereby improve the care and quality of life of survivors. The need for a structured long-term follow-up system after childhood cancer has been recognised for some time and strategies for implementation have been developed, first nationally and then trans-nationally, across Europe. Since its first meeting in Lund in 2008, the goal of the PanCare Network has been to coordinate and implement these strategies to ensure that every European survivor of childhood and adolescent cancer receives optimal long-term care. This paper will outline the structure and work of the PanCare Network, including the results of several European surveys, the start of two EU-funded projects and interactions with relevant stakeholders and related projects.
As increasing numbers of childhood cancer patients are surviving, the long-term complications of ... more As increasing numbers of childhood cancer patients are surviving, the long-term complications of the disease and its treatment have become ever more increasingly important. Reduced bone mineral density and increased fracture risk have been reported during and after treatment of children with cancer. The causes of osteoporosis are multifactorial. Among others, the disease itself, chemotherapy, irradiation and genetic susceptibility play a role. Bone mineral density in later life depends largely on the peak bone mass achieved in adolescence or young adulthood. Therefore, optimizing peak bone mass is of clinical importance. Preventive and therapeutic strategies, such as calcium and vitamin D supplementation, physical activity and bisphosphonates, are considered.
To prevent acute renal failure in children at risk for developing tumor lysis syndrome due to acu... more To prevent acute renal failure in children at risk for developing tumor lysis syndrome due to acute lymphoblastic leukemia or non-Hodgkin's lymphoma treated according to international BFM protocols, we investigated recombinant urate oxidase (rasburicase) in the first Central European openlabeled, prospective, multicenter phase IV trial. Rasburicase was administered intravenously, at 0.2 mg/kg for 5 consecutive days to 36 patients. Blood levels of uric acid, creatinine, phosphorus, calcium, lactate dehydrogenase and complete blood count were measured daily during rasburicase treatment and on days 6, 7 and 12. Initial uric acid level decreased significantly by 4 hours (from 343 micromol/L to 58 micromol/L, p<0.001), except for one steroid-resistant patient who required hemodialysis on day 14 after having introduced combined cytostatic treatment. Comparing the data of a subgroup of 12 patients receiving rasburicase with that of a historic cohort of 14 patients treated with allop...
Vascular and endothelial functions were investigated in long term survivors of childhood cancer e... more Vascular and endothelial functions were investigated in long term survivors of childhood cancer exposed to anthracycline treatment. We enrolled 96 long-term survivors (57 males and 39 females, mean age 14.9 ± 5.3 year) of different childhood cancers and 72 age-, sex-, bodyweight- and blood pressure matched controls (39 males and 33 females, mean age 13.7 ± 4.9 year). Aortic stiffness was characterized by echocardiography. Brachial artery endothelial function was assessed by flow-mediated dilatation (FMD%) and nitrate-mediated dilatation (NTG%). Results were compared between three subgroups: anthracycline treated, only chemotherapy treated and control subgroups. The cumulative anthracycline dose was less than 350 mg/m². The healthy control subgroup had a significantly greater FMD response (13.13 ± 2.40 %), and lower stiffness index (2.08 ± 0.6) than both the anthracycline (7.12 ± 6.28 % and 6.45 ± 3.25, respectively) and only chemotherapy treated (10.17 ± 4.23 % and 4.12 ± 2.32, respectively) subgroups. In the anthracycline treated subgroup a significantly (p &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt; 0.01) lower FMD% response, and higher stiffness index were detected than in the only chemotherapy treated subgroup. Higher triglyceride level, higher cumulative anthracycline dose and lower age at the start of treatment were found to be associated independently with impairment of FMD% response and aortic stiffness. We found a significant negative correlation between FMD and aortic stiffness (p &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt; 0.001) and a positive correlation between FMD and distensibility (p &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt; 0.0001). Childhood cancer long term survivors exposed to anthracycline treatment exhibit a marked preclinical vasculopathy, characterized by endothelial dysfunction and increased arterial stiffness, contributing to a deteriorated cardiovascular function.
This retrospective study supports that brachytherapy combined with cytostatic therapy may effecti... more This retrospective study supports that brachytherapy combined with cytostatic therapy may effectively contribute to tumor control. The second eye of 13 patients with bilateral retinoblastoma was treated with plaque brachytherapy after the enucleation of the first eye. Eleven patients received systemic cytostatic therapy. The mean follow up was 60 (+/-42 SD) months. Twelve patients are alive and free of tumor, 8 of them with acceptable visual acuity. After cytostatic therapy, late nephropathy was observed in 2 patients. In conclusion, brachytherapy combined with cytostatic therapy will be an option in the management of bilateral retinoblastoma after the enucleation of the first eye.
Survival after childhood cancer has improved substantially over recent decades. Although cancer i... more Survival after childhood cancer has improved substantially over recent decades. Although cancer in childhood is rare increasingly effective treatments have led to a growing number of long-term survivors. It is estimated that there are between 300,000 and 500,000 childhood cancer survivors in Europe. Such good survival prospects raise important questions relating to late effects of treatment for cancer. Research has shown that the majority will suffer adverse health outcomes and premature mortality compared with the general population. While chronic health conditions are common among childhood cancer survivors, each specific type of late effect is very rare. Long-term effects must be considered particularly when addressing complex multimodality treatments, and taking into account the interaction between aspects of treatment and genotype. The PanCare Network was set up across Europe in order to effectively answer many of these questions and thereby improve the care and quality of life of survivors. The need for a structured long-term follow-up system after childhood cancer has been recognised for some time and strategies for implementation have been developed, first nationally and then trans-nationally, across Europe. Since its first meeting in Lund in 2008, the goal of the PanCare Network has been to coordinate and implement these strategies to ensure that every European survivor of childhood and adolescent cancer receives optimal long-term care. This paper will outline the structure and work of the PanCare Network, including the results of several European surveys, the start of two EU-funded projects and interactions with relevant stakeholders and related projects.
Survival after childhood cancer has improved substantially over recent decades. Although cancer i... more Survival after childhood cancer has improved substantially over recent decades. Although cancer in childhood is rare increasingly effective treatments have led to a growing number of long-term survivors. It is estimated that there are between 300,000 and 500,000 childhood cancer survivors in Europe. Such good survival prospects raise important questions relating to late effects of treatment for cancer. Research has shown that the majority will suffer adverse health outcomes and premature mortality compared with the general population. While chronic health conditions are common among childhood cancer survivors, each specific type of late effect is very rare. Long-term effects must be considered particularly when addressing complex multimodality treatments, and taking into account the interaction between aspects of treatment and genotype. The PanCare Network was set up across Europe in order to effectively answer many of these questions and thereby improve the care and quality of life of survivors. The need for a structured long-term follow-up system after childhood cancer has been recognised for some time and strategies for implementation have been developed, first nationally and then trans-nationally, across Europe. Since its first meeting in Lund in 2008, the goal of the PanCare Network has been to coordinate and implement these strategies to ensure that every European survivor of childhood and adolescent cancer receives optimal long-term care. This paper will outline the structure and work of the PanCare Network, including the results of several European surveys, the start of two EU-funded projects and interactions with relevant stakeholders and related projects.
As increasing numbers of childhood cancer patients are surviving, the long-term complications of ... more As increasing numbers of childhood cancer patients are surviving, the long-term complications of the disease and its treatment have become ever more increasingly important. Reduced bone mineral density and increased fracture risk have been reported during and after treatment of children with cancer. The causes of osteoporosis are multifactorial. Among others, the disease itself, chemotherapy, irradiation and genetic susceptibility play a role. Bone mineral density in later life depends largely on the peak bone mass achieved in adolescence or young adulthood. Therefore, optimizing peak bone mass is of clinical importance. Preventive and therapeutic strategies, such as calcium and vitamin D supplementation, physical activity and bisphosphonates, are considered.
To prevent acute renal failure in children at risk for developing tumor lysis syndrome due to acu... more To prevent acute renal failure in children at risk for developing tumor lysis syndrome due to acute lymphoblastic leukemia or non-Hodgkin's lymphoma treated according to international BFM protocols, we investigated recombinant urate oxidase (rasburicase) in the first Central European openlabeled, prospective, multicenter phase IV trial. Rasburicase was administered intravenously, at 0.2 mg/kg for 5 consecutive days to 36 patients. Blood levels of uric acid, creatinine, phosphorus, calcium, lactate dehydrogenase and complete blood count were measured daily during rasburicase treatment and on days 6, 7 and 12. Initial uric acid level decreased significantly by 4 hours (from 343 micromol/L to 58 micromol/L, p<0.001), except for one steroid-resistant patient who required hemodialysis on day 14 after having introduced combined cytostatic treatment. Comparing the data of a subgroup of 12 patients receiving rasburicase with that of a historic cohort of 14 patients treated with allop...
Vascular and endothelial functions were investigated in long term survivors of childhood cancer e... more Vascular and endothelial functions were investigated in long term survivors of childhood cancer exposed to anthracycline treatment. We enrolled 96 long-term survivors (57 males and 39 females, mean age 14.9 ± 5.3 year) of different childhood cancers and 72 age-, sex-, bodyweight- and blood pressure matched controls (39 males and 33 females, mean age 13.7 ± 4.9 year). Aortic stiffness was characterized by echocardiography. Brachial artery endothelial function was assessed by flow-mediated dilatation (FMD%) and nitrate-mediated dilatation (NTG%). Results were compared between three subgroups: anthracycline treated, only chemotherapy treated and control subgroups. The cumulative anthracycline dose was less than 350 mg/m². The healthy control subgroup had a significantly greater FMD response (13.13 ± 2.40 %), and lower stiffness index (2.08 ± 0.6) than both the anthracycline (7.12 ± 6.28 % and 6.45 ± 3.25, respectively) and only chemotherapy treated (10.17 ± 4.23 % and 4.12 ± 2.32, respectively) subgroups. In the anthracycline treated subgroup a significantly (p &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt; 0.01) lower FMD% response, and higher stiffness index were detected than in the only chemotherapy treated subgroup. Higher triglyceride level, higher cumulative anthracycline dose and lower age at the start of treatment were found to be associated independently with impairment of FMD% response and aortic stiffness. We found a significant negative correlation between FMD and aortic stiffness (p &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt; 0.001) and a positive correlation between FMD and distensibility (p &amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;lt; 0.0001). Childhood cancer long term survivors exposed to anthracycline treatment exhibit a marked preclinical vasculopathy, characterized by endothelial dysfunction and increased arterial stiffness, contributing to a deteriorated cardiovascular function.
This retrospective study supports that brachytherapy combined with cytostatic therapy may effecti... more This retrospective study supports that brachytherapy combined with cytostatic therapy may effectively contribute to tumor control. The second eye of 13 patients with bilateral retinoblastoma was treated with plaque brachytherapy after the enucleation of the first eye. Eleven patients received systemic cytostatic therapy. The mean follow up was 60 (+/-42 SD) months. Twelve patients are alive and free of tumor, 8 of them with acceptable visual acuity. After cytostatic therapy, late nephropathy was observed in 2 patients. In conclusion, brachytherapy combined with cytostatic therapy will be an option in the management of bilateral retinoblastoma after the enucleation of the first eye.
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