Luiz Carlos da Cunha

• Dr
• Federal University of Goiás

A simple and selective high‐performance liquid chromatography bioanalytical method was developed and validated to determine the pharmacokinetic parameters of 5‐[1‐(4‐fluorophenyl)‐1H‐pyrazol‐4‐yl]‐2H‐tetrazole (LQFM020) with promising vasorelaxant, anti‐inflammatory, and antinociceptive properties while verifying its potential hepatic enzyme induct...

The CCl4-induced hepatotoxicity model is a traditional preclinical assay applied to evaluate potential hepatoprotective compounds. However, several studies have used it with inappropriate dose and exposure time, generating both weak response or irreversible liver injury, as well as lack of representative liver and plasma biomarkers. Therefore, this...

Bisphenol A (BPA), an endocrine disruptor used in different commercial polymers, is a persistent pollutant commonly found in effluents. Conventional wastewater treatment processes have low chemical removal efficiency and are expensive. This work evaluated BPA removal using laccase enzyme produced from white rot fungus Pleurotus ostreatus. For the e...

The increasing use of UV filters, such as benzophenone-3 (BP-3) and titanium dioxide nanoparticles (TiO2 NPs), has raised concerns regarding their ecotoxicological effects on the aquatic environment. The aim of the present study was to examine the embryo-larval toxicity attributed to BP-3 or TiO2 NPs, either alone or in a mixture, utilizing zebrafi...

Poisoning is defined as an adverse event resulting from the action of chemical substances that induces a pathology in an individual. The World Health Organization (WHO) has reported three million hospital admissions occurring annually due to toxic exposure worldwide. The growth of SARS-CoV-2 infection cases in 2020 also significantly increased call...

Rice blast caused by the Magnaporthe oryzae pathogen is a major disease in this crop, and may cause devastating losses. This study aimed to investigate the profile of Waitea circinata mycorrhiza volatile compounds in antagonism to M. oryzae, under different growth periods and temperatures, using a completely randomized design. Volatile organic comp...

Trimetozine is used to be indicated for the treatment of mental illnesses, particularly anxiety. The present study provides data on the pharmacological profile of trimetozine derivative morpholine (3,5-di-tert-butyl-4-hydroxyphenyl) methanone (LQFM289) which was designed from molecular hybridization of trimetozine lead compound and 2,6-di-tert-buty...

The disposal of industrial effluents strongly influences low-order streams, which makes them fragile ecosystems that can be impacted by contamination. In central Brazil, the Extrema River spring targets the dumping of pharmaceutical products from the surrounding industries. So, this work aimed to investigate the presence of antibiotics in Extrema R...

LQFM018 is a novel antineoplastic prototype, showing an expressive drug-triggered K562 leukemic cells death mechanism, through necroptotic signaling. Due to its promising effect, this study aimed to evaluate the pharmacokinetics of LQFM018 in rats, using a new validated bioanalytical LC-MS/MS-based method. Chromatographic column was an ACE® C18 (10...

Campomanesia adamantium (Myrtaceae), known as "guabiroba-do-campo", is a native Cerrado shrub popularly used as anti-inflammatory, antidiarrheal, urinary tract antiseptics. The aims of this study were evaluate the seasonal variability of total phenols and tannins and chemical compounds of the volatile oils of C. adamantium leaves in a period of 12...

Purpose Turmeric has renop rotective effects that can act to reduce oxidative stress and inflammation in hemodialysis (HD) patients. Piperine has been indicated as a bioavailability enhancer of turmeric and consequently of its biological effects. However, data on the efficacy of the turmeric/piperine combination in HD patients are limited. We aimed...

To assess the profile and causality of adverse events related to herbal medicines of widespread use in Brazil, we conducted an open, prospective, before-and-after clinical trial with patients at an outpatient clinic specialized in complementary and alternative medicine. Participants were submitted to laboratory tests prior to and after use of the m...

Psidium guineense Swartz is a shrub used in urinary tract diseases, diarrhea, and dysentery. The aims of this study were to analyze the seasonal chemical variability of the volatile oils of P. guineense leaves for 12 months, to evaluate the antimicrobial activity against bacteria and fungus, and the larvicidal activity against third-instar Aedes ae...

Snake venoms are natural sources of bioactive substances with therapeutic potential. In this work, we evaluated the cytotoxicity of the Crotalus durissus collilineatus, negative crotamine variety and the isolated fraction C0K3N3 in BALB C/3T3 and K562 cell lines. The results indicate that the C0K3N3 protein is more cytotoxic against the K562 tumor...

Background : Equisetum arvense L. (EA) is a traditional phytomedicine used as a diuretic agent worldwide and regulated strictly by European Medicine Agency (EMA) and Brazilian National Health Surveillance Agency (ANVISA). However, few studies evaluating its efficacy and safety have been published and no clinical trial assessing its antihypertensive...

Background Imatinib mesylate (IM) treatment adherence is a challenge, especially in an economic-social population neglected from developing countries. Objective To create a new complementary audiovisual educational intervention model to improve IM treatment adherence of CML patients. Methods Two adherence verification methods were applied before...

Siparuna guianensis Aubl., known as “negramina”, “capitu”, is a small tree used for headaches, colds, fevers, as a healing agent, insect, and tick repellents. This study aimed to evaluate the chemical composition and seasonal variability of essential oils from the leaves of S. guianensis. Botanical material was collected in Monte do Carmo, Tocantin...

Eugenia punicifolia (Kunth) D.C., Myrtaceae, known as “pedra-ume-caá”, is popularly used in the treatment of inflammation, infections, fever, flu, diabetes, and diarrhea. This study aimed to carry out a comparative study of the chemical composition of volatile oil from E. punicifolia leaves collected in Goiás and Minas Gerais, as well as to evaluat...

Essential oils arouse the interest of research for insect control. Schinus terebinthifolius is described in the literature for being bioactive against Aedes aegypti larvae. However, studies are scarce to fully assess the larvicidal potential of this species. This study aimed to evaluate the chemical composition, bioactivity, time of death and bioav...

O correto diagnóstico da doença renal crônica (DRC) depende de diversas equações para estimar a taxa de filtração glomerular (TFG), tais como Cockroft-Gault (CG), MDRD e CKD-EPI. Objetivou-se estimar e comparar a TFG obtida por diferentes equações, utilizando dados de pacientes atendidos em laboratório de análises clínicas público (LRR). Realizou-s...

Ethnopharmacological relevance: Diabetes mellitus is a disease that affects approximately 10% of the world population. As it is a chronic disease, several patients search for alternatives to the traditional allopathic treatment, such as medicinal plants. In Brazil, the Aspidosperma subincanum (Guatambu) is one of the vegetal species commercialized...

The aim of this study was to estimate the prevalence of use of licit and illicit drugs and verify the behavioral profile among truck drivers. A total of 697 truck drivers were interviewed at a gas station on BR-153, between from February 2014 to February 2015. The questionnaire ASSIST was applied to screening the use of alcoholic beverages, tobacco...

Piper species are producers of essential oils with high yield and promising chemical composition for both perfumery and the pharmaceutical industry. They present bioactivity against pathogens and against insect pests, whether agricultural or medical, such as Aedes aegypti, for example, a vector of arboviruses with a high incidence in tropical and s...

Copaifera spp. (copaiba) oleoresin is traditionally used as a medicinal compound since the 16th century, which is primarily indicated for its anti-inflammatory properties being widely sold in free fairs and medicinal herbal houses in Brazil. However, copaiba oleoresin toxicity information is still limited. In this study, we aimed to investigate the...

Psidium guineense Swartz is a bush used in urinary tract diseases, diarrhea, and dysentery. The present study aims to perform the anatomical study of the leaves and evaluation of the chemical composition of the volatile oils from Psidium guineense Swartz leaves and fruits. The botanical material was collected in Hidrolândia, Goiás. Anatomical chara...

Otimizou-se método para monitoração plasmática de bussulfano em pacientes submetidos a transplante de células-tronco hematopoiéticas (TCTH). Utilizou-se HPLC-PDA Shimadzu, coluna C18 (150 mm x 4 mm), metanol/água/acetonitrila (65:20:15, v/v/v), fluxo 1 mL min-1; UV λ = 276 nm, tempo de análise de 17 min; derivatização com dietilcarbamato de sódio,...

Background and objectives Hemodialysis (HD) patients are vulnerable to malnutrition and cardiovascular complications due to many factors, including oxidative stress and inflammation. Curcumin supplementation is associated with attenuation of proinflammatory cytokines and increased activity of antioxidant enzymes, but its effects in HD patients are...

Spiranthera odoratissima A. St.-Hil. (Rutaceae),"manacá", is popularly used for head, muscle aches, rheumatism and,stomach, uterine, renal and liver disorders. The aims of this studywereto investigate the physico-chemical and morphological properties of microencapsulated powder of volatile oil from S. odoratissimaleaves, optimize the drying process...

Peppers are consumed all over the world, have several benefits to human health, such as antioxidant properties that can prevent diseases related to free radicals such as cardiovascular, inflammatory diseases, cancer, among others. This work aimed to evaluate the antioxidant capacity (AOC) of 36 varieties of peppers through ABTS and DPPH radical sca...

Jacaranda ulei Bureau & K.Schum., Bignoniaceae, is an evergreen shrub used to treat skin diseases, rheumatism, urinary tract disorders, and dysentery. This study aimed to perform a morphoanatomical study of J. ulei and analyse the composition and chemical variability of the volatile oils from its leaves over 11 months. The identification of the vol...

The use of sunscreen has become an indispensable daily routine since UV radiation is a critical environmental stress factors for human skin. This study focused on the design, synthesis, thermal/chemical stability and efficacy/safety evaluations of a new heterocyclic derivative, namely LQFM184, as a photoprotective agent. The compound showed stabili...

Occupational exposure to volatile organic compounds (VOC) might generate serious worker health damages. Therefore, biological monitoring is essential to evaluate exposure biomarkers from highly toxic chemicals, ensuring better attention to the worker health. In this study was developed and validated a bioanalytical method based on high-performance...

Bidens pilosa L. is a medicinal plant popularly used for treatment of liver diseases. In this study, the dry extract of aerial parts of Bidens pilosa and Silymarin, a phytocomplex obtained from the Silybum marianum fruits and marketed as hepatoprotective, were tested in dogs experimentally acutely intoxicated with carbon tetrachloride. The liver ac...

A new, rapid, selective and sensitive UPLC-MS/MS method was developed and validated for the quantification of (-) – hydroxycitric acid (HCA) in human plasma, using DL-malic acid-2,3,3-d3 as internal standard (IS) and simple protein precipitation for the sample preparations. HCA is a highly polar compound make challenging its determination in biolog...

Mastoparan-L (mast-L) is a cell-penetrating tetradecapeptide and stimulator of monoamine exocytosis. In the present study, we evaluated the anxiolytic-like effect of mast-L. Preliminary pharmacological tests were conducted to determine the most appropriate route of administration, extrapolate dose and detect potential toxic effects of this peptide....

Background: Obesity-induced inflammation is frequently associated with higher oxidative stress. In vitro and experimental studies have considered baru almonds (Dipteryx alata Vog) as a legume seed with high antioxidant capacity. The aim of this study was to evaluate whether baru almonds are capable of improving the inflammatory and antioxidant sta...

Background: Salvinorin A is known as a highly selective kappa opioid receptor agonist with antinociceptive but mostly pro-depressive effects. Aims: In this article, we present its new semisynthetic analog with preferential mu opioid affinity, and promising antinociceptive, as well as antidepressant-like activities. Methods: Competitive binding...

Nonsteroidal anti-inflammatory drugs are commonly used worldwide; however, they have several adverse effects, evidencing the need for the development of new, more effective and safe anti-inflammatory and analgesic drugs. This research aimed to design, synthesize and carry out a pharmacological/toxicological investigation of LQFM-102, which was desi...

Aging is characterized by functional decline in homeostatic regulation and vital cellular events. This process can be linked with the development of cardiovascular diseases (CVDs). In this review, we discussed aging-induced biological alterations that are associated with CVDs through the following aspects: (i) structural, biochemical, and functiona...

Trembleya parviflora (D. Don) Cogn., Melastomataceae, also known as “quaresmeira-branca”, is a subshrub that is commonly used to treat verminosis, scabies, dermatoses, rheumatism, vaginal infections, ulcerations and wounds. The aim of this work was to perform a morphological study of T. parviflora, evaluate the composition and chemical variability...

Aims: This study reports the biological properties of LQFM030 in vivo, a molecular simplification of the compound nutlin-1. Main methods: Ehrlich ascites tumor (EAT)-bearing mice were treated intraperitoneally with LQFM030 (50, 75 or 150mg/kg) for 10days to determine changes in ascites tumor volume, body weight, cytotoxicity and angiogenesis. Mo...

Piptoporus betulinus has been used in folk medicine for millennia. However, no data currently exist regarding its potential cardiovascular activity. In this work, the crude ethanolic extract and fractions (hexane, ethyl acetate, and water) with increased polarity from the partitioning process, as well as stigmasterol (the major metabolite isolated...

The crude venom of the snake Crotalus durissus collilineatus (CDC) promotes neurological signs and symptoms in accidents involving humans and animals and the victims reports analgesia at the bite site, without tissue destruction. Studies shows that CDC has analgesic activity, among others. The crude venom is considered unsuitable for therapeutic pu...

The oil from seeds of Dipteryx alata Vogel, Fabaceae, popularly known as baru, was extracted by hydraulic and continuous screw pressing. A total of eleven chemical constituents obtained by hydraulic pressing, including steroids, mono and sesquiterpenes and tocopherol derivatives were identified by gas chromatography–tandem mass spectrometry (GC–MS)...

The present study aimed to verify the prevalence of psychoactive drug use (amphetamines, methamphetamines, cannabinoids, cocaine, opioids and benzodiazepines) among military police officers in the state of Goiás. Data were obtained from urine samples voluntarily provided by the officers participating in the study, who were informed of the study met...

Busulfan is an alkylating agent used for conditioning patients undergoing hematopoietic stem cell transplantation with a narrow therapeutic range and highly variable pharmacokinetics. High concentrations induce toxicity, especially hepatic veno-occlusive disease, also referred to as sinusoidal obstruction syndrome. This study aimed to assess busulf...

Celtis iguanaea (Jacq.) Sargent is popularly used to treat urinary infections, kidneys, breast, body aches, rheumatism, asthma, cramps, poor digestion and as a diuretic medicine. This study aims to determine the acute toxicity of the aqueous leaf extract of Celtis iguanaea (Jacq.) Sargent in rodents. After the collection processes, identification,...

The use of mice for the identification of crotamine has been the motive of discussions of bioethical character and technical (efficiency), so that a reassessment of the use of animals in experiments is global trend the search for alternative tests. The objective of this study was to standardize a method for HPLC-PDA to identify the presence of crot...

In this double-blind, randomized clinical trial, 36 healthy male volunteers were randomly distributed into three groups ( n = 12 ) that underwent a three-step treatment. For four consecutive days, we alternately administered a standardized dried extract of Equisetum arvense (EADE, 900 mg/day), placebo (corn starch, 900 mg/day), or hydrochlorothiaz...

Objective: To compare two analytical techniques used in the determination of plasma digoxin (LC-MS/MS and immunoassay) and to verify which one better answer the need of the clinical monitoring routine of patients with cardiac heart failure. Method: The clinical findings in 15 cardiac heart failure (CHF) outpatients of the Cardiac Heart Service of...

Objetivo: Comparar las dos técnicas analíticas más utilizadas en la determinación de la digoxinemia y verificar cuál de ellas atiende mejor las necesidades de la rutina de seguimiento clínico de los pacientes con insuficiencia cardíaca. Métodos: En este trabajo fue investigado el perfil clínico y de laboratorio de 15 pacientes con insuficiencia car...

Cotinine is the major metabolite of nicotine and, being very stable and having a long biological half-life, it can be used as a biomarker for tobacco exposure. The aim of this study was to develop an analytical GC-MS technique to measure levels of cotinine in the urine of active and passive smokers and to compare the results with reference values....

The synthesis of formylated 1-phenyl-1H-pyrazole derivatives under the Duff reaction conditions is reported. Our results indicate that 1-phenyl-1H-pyrazole systems containing electron-withdrawing and electron-donating substituents at the phenyl moiety react under the Duff reaction conditions to furnish formylated derivatives in good yields. Supplem...

Synadenium umbellatum Pax., popularly known in Brazil as "cola-nota," "avelós," "cancerola," and "milagrosa", is a plant species used in folk medicine for the treatment of inflammation, pain, and several diseases. This study aimed to investigate the antinociceptive and anti-inflammatory activities of the ethanolic extract from Synadenium umbellatum...

This study was developed aiming to evaluate the acute effects of Melia azedarach hexanic fruit extract on mice. Two treated groups, one for each dose, 300 mg/kg and 2000 mg/kg, were prepared. For each treatment group, a non-treated control group was used. All groups were composed of six animals, three of each sex. The animals were evaluated at 30 m...

The search for substitutes for synthetic pesticides has been the subject of many scientific publications, including considering the use of oils, extracts and active constituents from plants. This demand can be justified by the insecticide potential associated with an easy degradation of its constituents, lower toxicity to humans and, consequently,...

Memora nodosa (Silva Manso) Miers is a Brazilian Cerrado species whose leaves and stems are commonly used to treat external wounds and ulcers and the roots are used for abdominal pain and to treat scabies. The purpose of this study was to evaluate the acute toxicity of ethanol extracts from the leaves and roots of M. nodosa at 2000 and 5000 mg kg-1...

RESUMO A busca de alternativas para o controle do Aedes aegypti ante sua resistência aos inseticidas sintéticos justifica a investigação de compostos vegetais uma vez que estes apresentam menor impacto ambiental em sua degradação e menor toxicidade aos vertebrados. Neste trabalho, avaliou-se o efeito inseticida do extrato bruto etanólico (ebe) da c...

To evaluate the effect the healing activity of diode laser Indium Gallium Aluminum Phosphorus (InGaAlP) ë660nm on healing of surgical wounds in rats. Fifty-four female Wistar rats were used, divided into three groups (n=18) and subdivided into three subgroups (n=6) to be studied in 5, 10 and 15(th) days after surgical procedures. The wound was indu...

OBJECTIVE: To determine the prevalence of psychotropic drug use among military police officers in the state of Goiás, Brazil. METHOD: Study carried out at twelve military police units located in the municipalities of Goiânia and Aparecida de Goiânia between March to October 2008. Volunteers (n = 221) were interviewed about drug use using a question...

Palicourea coriacea (Cham.) K Schum, is an endemic plant used in the Midwestern Region of Brazil, popularly known as "douradinha do campo" and "congonha do campo". This plant has been used in traditional medicine for several ailments, especially to treat kidney diseases. Since no formal studies on the biological activities and medicinal properties...

To determine the prevalence of psychotropic drug use among military police officers in the state of Goiás, Brazil. Study carried out at twelve military police units located in the municipalities of Goiânia and Aparecida de Goiânia between March to October 2008. Volunteers (n=221) were interviewed about drug use using a questionnaire especially desi...

The antinociceptive and antiinflammatory properties of the neolignan, grandisin, isolated from Virola surinamensis (Myristicaceae) were investigated. Grandisin (GRA) is present in several plant species from Brazil used in popular medicine for the treatment of disorders such as colic, inflammation, rheumatism, dyspepsia and liver dysfunction. These...

Flowers of Calendula officinalis L. (calendula) have been popularly used due to some attributed medicinal properties as wound healing, anti-inflammatory and sedative activites. The principal chemical compounds found in flowers are essential oils, salicilic acid, carotenoids, flavonoids, tannins and triterpenic saponins.Other medicinal plants that p...

“Calendula officinalis: Central Depressive Effect and Subacute Toxicity”. Flowers of Calendula officinalis L. (calendula) have been popularly used due to some attributed medicinal properties as wound healing, anti-inflammatory and sedative activites. The principal chemical compounds found in flowers are essential oils, salicilic acid, carotenoids,...

The vetiver (Vetiver zizanioides L. Nash) is a representative aromatic plant of the family Poaceae and used in Ayurvedic therapy. This work aimed to investigate the chemical composition of essential oil of the roots of vetiver grown in the Hospital of Alternative Medicine in Goiás, Brazil, to evaluate potential antimicrobial and perform acute toxic...

Jacaranda decurrens Cham. (Bignoniaceae) is a plant traditionally used in folk medicine as a blood depurative and to treat infections, rheumatism. The aim of this study was to evaluate the in vitro antibacterial activities of crude ethanol extract and fractions of J. decurrens leaves against Pseudomonas aeruginosa strains and to study the acute tox...

This study aimed to develop a gas chromatography-mass spectrometry (GC-MS) technique to quantify cotinine levels in the urine of active and passive smokers, correlating the results with reference values from the literature and investigating the incidence of duct ectasia in female smokers.

The interaction of 4-nerolidylcatechol (4-NRC), a potent antioxidant agent, and 2-hydroxypropyl-b-cyclodextrin (HP-b-CD) was investigated by the solubility method using Fourier transform infrared (FTIR) methods in addition to UV–Vis, 1H-nuclear magnetic resonance (NMR) spectroscopy and molecular modeling. The inclusion complexes were prepared using...

O uso de plantas medicinais tem sido muito significativo nos últimos anos, sendo incentivado pela Organização Mundial de Saúde (OMS). Synadenium umbellatum Pax, Euphorbiacea (vulgo cola-nota, cancerola, milagrosa) tem o látex usado empiricamente como antitumoral e antiinflamatório. Por existir espécies tóxicas nesta família e visando à segurança no...

The use of medicinal plants has been being very significant in the last years, being the use encouraged by WHO. Synadenium umbellatum Pax, Euphorbiacea (popularly known as cola-note, cancerola, miraculous) has the latex used empirically as anti-cancerous and anti-inflammatory. For there being toxic species in this family and aiming at the safety in...

RESUMO: A interferência de medicamentos em análises clínicas assume importante papel na rotina laboratorial pela probabilidade de interferir nos ensaios e modificar o diagnóstico clínico-laboratorial. Muitos fármacos exercem efeitos in vivo, in vitro ou ambos simultaneamente sobre os testes laboratoriais. O objetivo do presente trabalho foi identif...

The tail flick, the acetic acid writhing, the croton oil-induced mouse ear edema, and carrageenan-induced peritonitis tests were used to study the anti-inflammatory effects of the alcohol extract from Pterodon emarginatus Vogel. (Leguminosae/Fabaceae) stem bark. The alcohol extract caused inhibition of acetic acid-induced abdominal writhing, reduci...

Synadenium umbellatum Pax (SU), a plant used in the Midwestern region of Brazil, was tested for its antitumor and antiangiogenic activities in vitro, using K-562 and Ehrlich ascites tumor (EAT) cells, and in vivo, using the EAT-bearing model. The viability of tumor cells was evaluated by MTT and trypan blue exclusion assays, after incubation with t...

The Brosimum gaudichaudii Trécul. (BG) Moraceae, with a high frequency in regions of the Brazilian cerrado (shrubland) and popularly known as "mamacadela", holds photosensitizing furocoumarins. The BG's main therapeutic use is the treatment of vitiligo, a skin depigmentation disease that takes hold of approximately 1-2 % of the world population. Th...

O Synadenium umbellatum Pax. (Euphorbiacea) é uma planta nativa da África tropical conhecida como "cola-nota", "avelós", "cancerola", "milagrosa", dentre outros. A planta é utilizada pela população brasileira como detentora de propriedades antiinflamatória, analgésica, dentre outras. Foram avaliados os efeitos depressores sobre o sistema nervoso ce...

Synadenium umbellatum Pax. (Euphorbiacea) is a native plant from tropical Africa known as "cola-nota", "avelós", "cancerola", "milagrosa", among others. The plant is used by Brazilian folks for having anti-inflammatory and analgesic properties, among others. It was evaluated the depressor effects over the central nervous system (CNS) of the ethanol...

No presente estudo investigamos o potencial citotóxico e mutagênico, in vitro e in vivo, respectivamente, do extrato etanólico de Synadenium umbellatum (EESU) sobre células da medula óssea de camundongos. A citotoxicidade in vitro foi avaliada por meio da exposição de células da medula óssea de animais normais a diferentes concentrações (40-0,312 m...

In the present study we investigated, in vitro and in vivo, the cytotoxic and mutagenic potential of the Synadenium umbellatum ethanolic extract (SUEE) on the bone marrow cells of mice. In vitro cytotoxicity was assayed incubating bone marrow cells with different concentrations (40-0.312 mg/mL) of SUEE for 12, 24 or 48 h using the MTT tetrazolium r...

The HPLC-UV analytical method validation aimed the quantification of methylprednisolone (MP) and its succinate sodic ester (MPSS) in human plasma of patients with lupus. Triancinolone (500 �g/mL) was used as internal standard the standards MP and MPSS were spiked in plasma in the range of 10 and 1.0 �g/mL. The chromatographic conditions employed an...

Leishmaniasis is a parasitic disease caused by protozoan genus Leishmania. It is an endemic illness that encloses 80 countries, including some of the European continent and especially in development countries. In this revision the usual therapeutical options, focusing mechanisms of action and resistance, pharmacokinetics and toxicity are discussed...

RESUMO: A avaliação farmacocinética compreende as etapas de absorção, distribuição, metabolismo e eliminação (ADME) com predomínio, na fase de distribuição, do fármaco em duas formas distintas: uma fração livre (fL) dissolvida no plasma, e outra, ligada às proteínas plasmáticas/teciduais. No entanto, a ação terapêutica é determinada somente pela co...

Este é um relato de caso de exposição ocupacional a conservantes de alimentos que resultou em insuficiência respiratória aguda em três trabalhadores. A análise toxicológica demonstrou que a mistura dos conservantes, por eles realizada, produziu NO2 que inalado causou quadro compatível com edema pulmonar e insuficiência respiratória aguda. Na evoluç...