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  • Author: T. Foltánová x
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Medical and scientific knowledge about rare diseases is minimal or lacking, thus making research difficulties for pharmaceutical industry. Orphan drugs in EU are under supervision of European Commission, European medical agency (EMA) and Committee for orphan medicinal products (COMP).

The presentation provides a brief review of all supportive incentives in the field of orphan medicinal products as: the European orphan medicinal product (OMP) regulation, Guideline on Clinical Trials in Small Populations and Commission Regulation (EC) No 2049/2005 / support of small and medium enterprises (SMEs). It also introduces the concept of Clinical added value of orphan medicinal products, as one of the key instruments to increase the availability of orphan medicinal products in the member states. Separately it stresses the necessity of Health technology assessment implementation in whole process of orphan medicinal product development as well as the implementation of the Europlan indicators into the Slovak National plan

The problem of low peak concentration of gentamicin in clinical practice

Aminoglycoside antibiotics have particular importance in the treatment of Gram-negative infections. Toxicity of gentamicin is well-known, but patients often receive insufficient dosage in clinical practice. The purpose of this study was to refer to the problem of insufficient dosages that were confirmed by low peak concentration and to determine relationship between low peak levels and pharmacokinetic parameters, renal function and body weight.

We studied 68 patients who were treated with gentamicin for one year (August 2010 - August 2011). Therapeutic drug monitoring (TDM) was applied for all the patients. Gentamicin peak and trough concentrations were measured by the FPIA (Fluorescence Polarization Immunoassay) method with an analyser, AxSYM of ABBOTT company. We divided the patients into 3 groups according to peak and trough levels.

Together 13 (19%) patients had high trough concentrations and optimal peak concentrations. Only 6 (9%) patients had optimal trough and peak levels in the first measurement of plasma concentrations. The third group included 49 patients (72%). These patients had optimal trough levels and low peak levels in the first measurement. 34 patients of the third group (28 males, 6 females) had optimal peak levels after adjustment of dosage in the second measurement. 15 patients, only males did not reach optimal peak levels even after adjustment of dosage in the second measurement.

The patients with low peak levels of gentamicin are more frequent than patients with toxic adverse effects in clinical practice. Especially, these are the patients with higher value of body weight and following increased pharmacokinetic parameters: creatinine clearance, total volume of distribution, total clearance and elimination rate constant. The clinical pharmacists have to adjust dosage regimens, especially according to Therapeutic drug monitoring (TDM) and clinical experience. The results of the study have confirmed that the clinical pharmacists must adjust dose regimen not only for patients who require reduced doses but more often for patients who require higher doses than are commonly used in clinical practice. These patients are at risk of underdosing of aminoglycoside antibiotics.

Orphan drugs used for treatment in pediatric patients in the slovak republic

Due to the enormous success of scientific research in the field of paediatric medicine many once fatal children's diseases can now be cured. Great progress has also been achieved in the rehabilitation of disabilities. However, there is still a big group of diseases defined as rare, treatment of which has been traditionally neglected by the drug companies mainly due to unprofitability.

Since 2000 the treatment of rare diseases has been supported at the European level and in 2007 paediatric legislation was introduced. Both decisions together support treatment of rare diseases in children.

In this paper, we shortly characterise the possibilities of rare diseases treatment in children in the Slovak republic and bring the list of orphan medicine products (OMPs) with defined dosing in paediatrics, which were launched in the Slovak market. We also bring a list of OMPs with defined dosing in children, which are not available in the national market. This incentive may help in further formation of the national plan for treating rare diseases as well as improvement in treatment options and availability of rare disease treatment in children in Slovakia.

Abstract

The aim of this retrospective study was to characterize the acute pain management in patients admitted to Department of Traumatology and to identify the efficacy of analgesic pharmacotherapy. The study involved 83 patients divided into two groups: 52 patients (63%) in Group 1 underwent operation; the remaining 31 patients (37%) in Group 2 had conservative treatment. The characteristics of the patients (diagnosis, analgesic therapy, age, comorbidities, drugs used during hospitalisation, analgesic efficacy) were obtained from electronic database and medical reports by the hospital. Therapy during the first seven days of hospitalisation and the recommended therapy after discharging home were analysed. Records of drug adverse reactions during the whole hospitalisation were monitored. Metamizol was the most frequently prescribed as a primal analgesic. Adequate analgesia solely by metamizol was reached in 20% of all patients; the remaining 80% required increased doses or combination with another analgesic. Metamizol was combined mainly with tramadol, morphine or pethidine. Our study proved metamizol to be an effective analgesic. No clinical manifestation of agranulocytosis was observed in this study.