This review aims to give an updated overview of the worldwide situation of off-label and unlicensed drug use in the paediatric field, also taking into account the safety of this kind of treatment. A Medline and Embase search was performed between 1990 and 2006 and a total of 52 studies were identified and included in the systematic review. From the authors' analysis of the literature, the extent of paediatric unlicensed/off label use is higher in neonatal and paediatric intensive care units and oncology wards, compared with primary care. Moreover, among the nine studies reporting the contribution of an off-label/unlicensed drug use to the occurrence of adverse events, the percentage of unlicensed and/or off-label prescriptions involved in an adverse drug reaction ranged between 23 and 60%. To ensure that children are not exposed to unnecessary risks, controlled clinical trials are required. In addition, future research should be directed towards the identification of individual drugs that cause serious adverse drug reactions and lack product information.
Since few data are available about factors affecting renal maturation especially in the lower gestational ages (G.A.), the aim of this work was to study postnatal renal function in a representative population sample of preterm newborns (G.A.
This research underlines that the use of herbal products during pregnancy is common among Italian women, not always appropriate and in some cases potentially harmful.
Non-steroidal anti-inflammatory drugs (NSAIDs) are commonly prescribed in pregnancy to treat fever, pain and inflammation. Indications for chronic use of these agents during pregnancy are inflammatory bowel or chronic rheumatic diseases. Since the seventies, NSAIDs have been used as effective tocolytic agents: indomethacin has been the reference drug, delaying delivery for at least 48 hours and up to 7-10 days. Additionally, self-medication with NSAIDs is practiced by pregnant women. NSAIDs given to pregnant women cross the placenta and may cause embryo-fetal and neonatal adverse effects, depending on the type of agent, the dose and duration of therapy, the period of gestation, and the time elapsed between maternal NSAID administration and delivery. These effects derive from the action mechanisms of NSAIDs (mainly inhibition of prostanoid activity) and from the physiological changes in drug pharmacokinetics occurring during pregnancy. Increased risks of miscarriage and malformations are associated with NSAID use in early pregnancy. Conversely, exposure to NSAIDs after 30 weeks' gestation is associated with an increased risk of premature closure of the fetal ductus arteriosus and oligohydramnios. Fetal and neonatal adverse effects affecting the brain, kidney, lung, skeleton, gastrointestinal tract and cardiovascular system have also been reported after prenatal exposure to NSAIDs. NSAIDs should be given in pregnancy only if the maternal benefits outweigh the potential fetal risks, at the lowest effective dose and for the shortest duration possible. This article discusses in detail the placental transfer and metabolism of NSAIDs, and the adverse impact of prenatal NSAID exposure on the offspring.
Our results confirm the high prevalence of off-label/unlicensed drug use in the neonatal population and underline a better adherence to indications based on clinical practice, suggesting the need to update information contained in the data sheets of medicines.
The off-label and unlicensed use of drugs to treat children is a common practice that occurs either in hospital or in the community. This derives from the fact that research for establishing drug efficacy and safety in children has not been carried out due to ethical problems, logistical difficulties, financial and legal concerns. In this work we report the studies available in literature documenting the extent of drug use in the paediatric field outside the recommendations of the license. From our analysis, a widespread attitude to prescribe medicines to children outside their product license either in the hospitals or in the community is confirmed. This suggests an immediate action for a more rationale use of drugs in paediatrics, to avoid exposing children and infants to unnecessary risks, but also to avoid depriving them of potentially effective and sometimes life-saving therapies.
Our results confirm this trend of drug use in the neonatological field and suggest the need to update information contained in the data sheets of medicines.
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