Acute kidney injury (AKI) morbidity and mortality rates remain high. Variable AKI outcomes have been reported in association with aminophylline treatment. This study evaluated AKI outcome in a group of Nigerian children treated with... more
Acute kidney injury (AKI) morbidity and mortality rates remain high. Variable AKI outcomes have been reported in association with aminophylline treatment. This study evaluated AKI outcome in a group of Nigerian children treated with aminophylline. This is a retrospective study of AKI in children treated with (N=9) and without (N=8) aminophylline. Studied outcome indices comprised urine flow rate (UFR), duration of oliguria/anuria, progression through AKI stages, number of patients requiring dialysis and mortality. Mean ages for the control and aminophylline arms were 4.6±2.7 and 4.9±2.1 years (P=0.7), respectively. All patients progressed to stage-3 AKI. Baseline median UFRs in the aminophylline and control arms were similar (0.13 Vs 0.04 ml/kg/hour respectively, P=0.5). The median UFR was significantly higher on day-5 (0.8 Vs 0.1; P=0.03), day-6 (1.0 Vs 0.2; P=0.02), and day-7 (1.2 Vs 0.2; P=0.03) in the aminophylline than the control arm, respectively. Short duration of oliguria/a...
Abstrak Salbutamol adalah terapi lini pertama untuk mengatasi gejala eksaserbasi asma. Aminofilin sudah tidak digunakan karena merupakan obat rentang terapi sempit yang sering menimbulkan adverse drug reaction (ADR). Kedua terapi tersebut... more
Abstrak Salbutamol adalah terapi lini pertama untuk mengatasi gejala eksaserbasi asma. Aminofilin sudah tidak digunakan karena merupakan obat rentang terapi sempit yang sering menimbulkan adverse drug reaction (ADR). Kedua terapi tersebut dapat menimbulkan peningkatan kadar leukosit terkait ADR yang dapat memengaruhi terapi lain. Penelitian ini bertujuan membandingkan kejadian leukositosis antara terapi salbutamol nebulasi yang merupakan terapi lini pertama dengan aminofilin intravena yang sering digunakan di beberapa tempat untuk terapi eksaserbasi asma. Metode yang digunakan adalah kuasi eksperimental dengan pengukuran profil leukosit darah sebelum dan sesudah intervensi. Kejadian leukositosis terkait ADR pada kelompok aminofilin (n=2) dengan nilai skala naranjo sebesar 6 poin yang kemungkinan besar merupakan ADR. Perubahan profil darah yang terjadi pada kedua pasien hanya pada kadar leukosit saja sedangkan data darah lainnya normal. Oleh karena itu, profil darah pada penggunaan kedua terapi dalam eksaserbasi asma perlu dipantau secara berkesinambungan agar tidak memengaruhi rekomendasi penambahan terapi lainnya. Abstract Salbutamol known as the first-line therapy for asthma exacerbations symptoms relieving. Aminophylline are now no longer used because of its narrow therapeutic range of drugs and frequently provoking adverse drug reaction (ADR). Both of these therapies can lead to ADR-related leukocytes level increasing that interfere the concurrent therapies. This study was aimed to compare the state of leukocytosis after therapy with salbutamol nebulizer therapy as the first-line therapy with intravenous aminophylline for the treatment of asthma exacerbations. Quasi experimental method was used in this study, with blood leukocytes profile measure before and after the intervention body temperature measurement as data supplement. The incidence of ADRs associated leukocytes in aminophylline group (n=2) with a value scale naranjo by 6 points, most likely ADR. Significant difference found only in leukocyte level in two patient. More biomarkers profiles should be monitored assording to concurrent therapies for asthma exacerbation.
Aminophylline is common used for treating asthma in Indonesia and has narrow therapeutic index. Despite of its affordable price, data on the safety of using aminophylline is still poorly documented. The aims of this study is to analyze... more
Aminophylline is common used for treating asthma in Indonesia and has narrow therapeutic index. Despite of its affordable price, data on the safety of using aminophylline is still poorly documented. The aims of this study is to analyze the safety of using aminophylline based on Adverse Drug Reaction (ADR) in hospitalized patients. This study used retrospective design by collecting 2-years-data of hospitalized patients. Using purposive sampling methods, samples were collected from patients who received aminophylline for asthma therapy. ADR event were recorded and evaluated based on some literatures. It was evaluated by Naranjo Scale, a common tool to identify the probability of ADR related drug. From 41 patients who used aminophylline for their exacerbation in asthma treatment, there was one suspected incident of ADR events related to hypertension with tachycardia. In general, aminophylline would improve symptoms in hospitalized patients with asthma. This study demonstrates that aminophylline is safe although there was only one suspected incident of ADR which could be recorded during these observations. However, for further research it still requires observation from laboratory tests and communication with patients and other healthcare workers.
The aim of this study was to evaluate the insulin (IRI) response to different stimuli and insulin sensitivity in Type 2 diabetic patients responsive to oral hypoglycaemic agents (OHA) and in Type 2 diabetic patients with secondary failure... more
The aim of this study was to evaluate the insulin (IRI) response to different stimuli and insulin sensitivity in Type 2 diabetic patients responsive to oral hypoglycaemic agents (OHA) and in Type 2 diabetic patients with secondary failure of OHA (SF), all patients being of normal body weight (relative body weight less than 120%), and the possible role of cyclic AMP in the reduced IRI release. SF patients, without islet cell antibodies (ICA), with hyperglycaemia lasting more than 3 months, underwent tests with i.v. tolbutamide (n = 21), i.v. glucose (n = 14), i.v. glucagon (n = 19), i.v. arginine infusion (n = 18); the arginine infusion was repeated in 12 patients during administration of aminophylline, an inhibitor of phosphodiesterase. The same tests were performed in groups of 8 to 15 OHA patients and in groups of 6 to 17 healthy subjects. During all the tests, blood glucose levels were higher in SF patients, than in OHA patients and in healthy subjects. Both SF patients and OHA p...
The object of this study was to demonstrate the applicability of variable temperature X-ray powder diffractometry (XRD) to investigate solid-state reactions using aspartame as a model compound. Aspartame exists as a hemihydrate (ASH)... more
The object of this study was to demonstrate the applicability of variable temperature X-ray powder diffractometry (XRD) to investigate solid-state reactions using aspartame as a model compound. Aspartame exists as a hemihydrate (ASH) under ambient conditions and converts to aspartame anhydrate (ASA) at approximately 130 degrees C. ASA on further heating to approximately 180 degrees C undergoes decomposition (intramolecular cyclization) to form a diketopiperazine derivative (DKP). The dehydration as well as the decomposition kinetics were studied isothermally at several temperatures. The unique feature of this technique is that it permits simultaneous quantification of the reactant as well as the product. While the dehydration of ASH appeared to follow first-order kinetics, the cyclization of ASA was a nucleation controlled process. The rate constants were obtained at various temperatures, which permitted the calculation of the activation energies of dehydration and cyclization from ...
Cutaneous leishmaniasis is an infectious disease caused by various species of the flagellate protozoan Leishmania. During the past 20 years, cutaneous leishmaniasis has emerged as a major public health threat in Morocco. The main... more
Cutaneous leishmaniasis is an infectious disease caused by various species of the flagellate protozoan Leishmania. During the past 20 years, cutaneous leishmaniasis has emerged as a major public health threat in Morocco. The main objective of this study was to study the occurrence of Leishmania infection in vectors and to identify sand fly blood meal sources in an endemic locality of cutaneous leishmaniasis within Sefrou province, where the vectors of leishmaniasis were still unknown. 2650 sand flies were collected using CDC miniature light traps and identified morphologically. The identified sand flies were tested for Leishmania infection by nested PCR. The source of blood meal of 10 freshly engorged females: 6 Phlebotomus longicuspis and 4 Phlebotomus sergenti, was determined using the Cyt b sequence. The collected sand flies consisted of 10 species, seven of which belonged to the genus Phlebotomus and three to the genus Sergentomyia. The most abundant species was P. longicuspis, ...
Drug availability from suppositories is currently evaluated in vitro by means of a model consisting of a dialysis tube (porous membrane) or isolated biological membrane (animal rectum). We propose a new alternative in vitro method to... more
Drug availability from suppositories is currently evaluated in vitro by means of a model consisting of a dialysis tube (porous membrane) or isolated biological membrane (animal rectum). We propose a new alternative in vitro method to determine drug availability from suppositories consisting of an artificial membrane soaked with n-octanol, coupled with a filter paper sheet soaked with phosphate buffer. This method provides for an integrated hydro-lipophilic simulation of the biological membrane, including the mucus layer adhering to the rectal mucosa. By simply using the porous membrane, the amount of drug released varied directly according to its solubility for formulations with lipophilic excipients. For formulations with hydrophilic excipients, drugs with low/intermediate solubility in water showed increased availability in comparison to lipophilic excipients. The in vitro rat rectum model provided overall results that were similar to those obtained with the porous membrane method...
The heart rate at rest and in drug-free state ranged between 95 and 125 beats/min (mean 99 ± 14 beats/min). Sinus node was successfully modified in all patients. Following ablation, the mean heart rate dropped to 72 ± 8 beats/min, p <... more
The heart rate at rest and in drug-free state ranged between 95 and 125 beats/min (mean 99 ± 14 beats/min). Sinus node was successfully modified in all patients. Following ablation, the mean heart rate dropped to 72 ± 8 beats/min, p < 0.01. The extent of the 3-D shift in ...
Aminophylline (50-100 mg/kg) and strychnine (0.125-0.5 mg/kg) significantly raised the ED50 values of LY 300164 against maximal electroshock in mice, from 4 to 8 mg/kg (aminophylline 100 mg/kg) and from 3.6 to 11.5 mg/kg (strychnine 0.5... more
Aminophylline (50-100 mg/kg) and strychnine (0.125-0.5 mg/kg) significantly raised the ED50 values of LY 300164 against maximal electroshock in mice, from 4 to 8 mg/kg (aminophylline 100 mg/kg) and from 3.6 to 11.5 mg/kg (strychnine 0.5 mg/kg). Also, aminophylline (25-50 mg/kg) and strychnine (0.125-0.25 mg/kg) increased the ED50 value of lamotrigine in this test, for instance from 5.5 to 8.0 mg/kg (aminophylline 50 mg/kg) and from 5.2 to 8.9 mg/kg (strychnine 0.25 mg/kg). Moreover, the ED50S values of aminophylline and strychnine for the reduction of the anticonvulsant effect of LY 300164 (7 mg/kg, the dose equal to its ED97 value against maximal electroshock) were 79.9 and 0.2 mg/kg, respectively. The respective ED50 values for the inhibition of the antiseizure action of lamotrigine were 40.9 and 0.2 mg/kg. Neither bicuculline nor picrotoxin affected the protective action of LY 300164 or lamotrigine. Strychnine significantly lowered the plasma concentrations of LY 300164 and this ...
Background and objective: Drug–drug interactions (DDIs) are preventable medication errors associated with potentially serious adverse events and death. Several studies have examined the prevalence of potential DDIs among ambulatory... more
Background and objective: Drug–drug interactions (DDIs) are preventable medication errors associated with potentially serious adverse events and death. Several studies have examined the prevalence of potential DDIs among ambulatory patients in various countries. Limited recent data on the prevalence of potential DDIs in Italy are available in the medical literature. The objective of this study was to estimate the prevalence of clinically important potential DDIs among the approximately 4 million residents of Regione Emilia-Romagna (RER), Italy, and to examine possible predictors of potential DDI exposure.Methods: A retrospective follow-up study of 2004 outpatient prescription data from RER was conducted. A previously published list of clinically important potential DDIs was refined to include only pairs of drugs in which both drugs were reimbursed by the 2004 Italian National Formulary. A potential DDI was defined as the presence of a minimum 5-day overlap in days supply for drugs in an interacting pair. The 1-year period prevalence of each potential DDI was quantified. A logistic regression analysis was conducted to examine patient characteristics as predictors of potential DDIs.Results and discussion: The list of clinically important potential DDIs included 12 drug pairs that could be captured using the RER database. These 12 potential DDIs occurred 8894 times in the RER population in 2004. The most commonly identified potentially interacting medication pairs were warfarin and non-steroidal anti-inflammatory drugs (6824 cases), theophylline/aminophylline and ciprofloxacin/fluvoxamine (930), and warfarin and barbiturates (567). Odds of exposure were highest among those aged 65 years or older, males, and those with more chronic conditions. Odds of exposure increased 1·39 times with each addition of a prescription medication.Conclusion: A substantial number of clinically important potential DDIs were identified, particularly among warfarin users. Awareness of the most prevalent potential DDIs can help practitioners prevent concomitant use of these dangerous medication combinations.
No uniform guidelines currently exist for the initial drug therapy of asthma or for the criteria to assess efficacy of initial therapy. A study with 71 subjects aged between 15 and 40 years was conducted to compare the usefulness of three... more
No uniform guidelines currently exist for the initial drug therapy of asthma or for the criteria to assess efficacy of initial therapy. A study with 71 subjects aged between 15 and 40 years was conducted to compare the usefulness of three commonly used asthma treatment regimes, viz subcutaneous adrenaline, nebulised salbutamol and intravenous aminophylline. Parameters used to monitor response were pulse rate (PR), respiratory rate (RR), Peak Expiratory Flow Rate (PEFR) and Patient's Subjective Assessment Scale (PSAS). All patients in the three treatment groups were comparable at pre-treatment, except for the Salbutamol group which appeared to have asthma of a milder severity based on PSAS scores alone. Following treatment, improvements were noted in Peak Flow Rate and PSAS. These improvements were greatest in those groups treated with salbutamol and adrenaline (p = 0.04 for PEFR and 0.01 for PSAS). Salbutamol treated patients also had significant improvements in Respiratory Rate...
