ABSTRACT
The survival rate after childhood cancer has improved markedly and today more than 80% of patients will survive. Many childhood cancer survivors suffer from late complications due to radiotherapy and chemotherapy. Survivors of Acute Lymphoblastic Leukaemia (ALL), treated with cranial radiotherapy, are at a particularly high risk of having endocrine complications. PURPOSE: To illuminate childhood ALL survivors' experiences of a long-term follow-up in an endocrine clinic. METHOD: Data collection carried out using semi-structured focus-group interviews. Fifteen ALL survivors were included in the study, divided into 4 groups. Data was analysed with conventional qualitative content analysis. RESULTS: The survivors' experiences were captured in the theme: "The need for understanding and support in order to manage daily life". An understanding of their situation, as well as support for managing daily life was fundamental. Lack of understanding and support from the community was connected with a fear for the future. The follow-up at the endocrine clinic was shown to be crucial for increasing the survivors' understanding of late complications. The past feeling of being out of control was replaced with an increased self-confidence. CONCLUSION: Many leukaemia survivors experienced their daily lives as a struggle and as a complicated issue to cope with. The theme "understanding and support to manage daily life" mirrors how the survivors are in need of knowledge and support in order to handle and understand their complex situation after surviving leukaemia. Offering understanding and support with a holistic approach, may be a way in which to strengthen the survivors' health.
Subject(s)
Activities of Daily Living/psychology , Adaptation, Psychological , Endocrine System Diseases/etiology , Precursor Cell Lymphoblastic Leukemia-Lymphoma/complications , Precursor Cell Lymphoblastic Leukemia-Lymphoma/radiotherapy , Survivors/psychology , Adolescent , Adult , Child , Child, Preschool , Endocrine System Diseases/psychology , Female , Focus Groups , Follow-Up Studies , Humans , Infant , Longitudinal Studies , Male , Precursor Cell Lymphoblastic Leukemia-Lymphoma/psychology , Sweden , Young AdultABSTRACT
PURPOSE: To investigate the prediction accuracy of in vitro and in vitro/in silico methods for in vivo intestinal precipitation of basic BCS class II drugs in humans. METHODS: Precipitation rate of a model drug substance, AZD0865 (pKa = 6.1; log K(D) = 4.2), was investigated in vitro using simulated intestinal media, and calculations of the crystallization rates were made with a theoretical model. Human intestinal precipitation was estimated by analysis of pharmacokinetic data from clinical studies at different doses. RESULTS: All in vitro models predicted rapid drug precipitation, where the intestinal concentration of dissolved AZD0865 at the highest dose tested was expected to decrease to half after less than 20 min. However, there was no indication of precipitation in vivo in humans as there was a dose proportional increase in drug plasma exposure. The theoretical model predicted no significant precipitation within the range of expected in vivo intestinal concentrations. CONCLUSIONS: This study indicated that simple in vitro methods of in vivo precipitation of orally administered bases overpredict the intestinal crystalline precipitation in vivo in humans. Hydrodynamic conditions were identified as one important factor that needs to be better addressed in future in vivo predictive methods.
