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1.
Arq. bras. endocrinol. metab ; 51(8): 1339-1348, nov. 2007. ilus, tab
Article in English | LILACS | ID: lil-471750

ABSTRACT

The treatment of choice for Cushing's syndrome remains surgical. The role for medical therapy is twofold. Firstly it is used to control hypercortisolaemia prior to surgery to optimize patient's preoperative state and secondly, it is used where surgery has failed and radiotherapy has not taken effect. The main drugs used inhibit steroidogenesis and include metyrapone, ketoconazole, and mitotane. Drugs targeting the hypothalamic-pituitary axis have been investigated but their roles in clinical practice remain limited although PPAR-gamma agonist and somatostatin analogue som-230 (pasireotide) need further investigation. The only drug acting at the periphery targeting the glucocorticoid receptor remains Mifepristone (RU486). The management of Cushing syndrome may well involve combination therapy acting at different pathways of hypercortisolaemia but monitoring of therapy will remain a challenge.


O tratamento de escolha para a síndrome de Cushing ainda é a cirurgia. O papel da terapia medicamentosa é duplo: ele é usado para controlar o hipercortisolismo antes da cirurgia e otimizar o estado pré-operatório do paciente e, adicionalmente, quando ocorre falha cirúrgica e a radioterapia ainda não se mostrou efetiva. Os principais medicamentos são empregados para inibir a esteroidogênese e incluem: metirapona, cetoconazol e mitotano. Medicamentos visando o eixo hipotálamo-hipofisário têm sido investigados, mas seu papel na prática clínica permanece limitado, embora o agonista PPAR-gama e análogo de somatostatina, som-230 (pasireotídeo), requeira estudos adicionais. A única droga que age perifericamente no receptor glicocorticóide é a mifepristona (RU486). O manejo da síndrome de Cushing deve envolver uma combinação terapêutica atuando em diferentes vias da hipercortisolemia, mas o monitoramento dessa terapia ainda permanece um desafio.


Subject(s)
Humans , Cushing Syndrome/drug therapy , Dopamine Antagonists/therapeutic use , Hormone Antagonists/therapeutic use , Hypothalamo-Hypophyseal System/drug effects , Ketoconazole/therapeutic use , Metyrapone/therapeutic use , Mifepristone/therapeutic use , Mitotane/therapeutic use , PPAR gamma/agonists , Pituitary-Adrenal System/drug effects , Somatostatin/analogs & derivatives , Steroids/antagonists & inhibitors , Steroids/biosynthesis
2.
Indian J Exp Biol ; 2003 Jun; 41(6): 641-4
Article in English | IMSEAR | ID: sea-63438

ABSTRACT

Methanolic extract (ME) of both C. reflexa stem and C. olitorius seed arrested the normal oestrus cycle of adult female mouse and significantly decreased the weight of ovaries and uterus. The cholesterol and ascorbic acid contents in ovaries were significantly increased in the treated mice. Two key enzymes, delta5-3beta-hydroxysteroid dehydrogenase and glucose-6-phosphate dehydrogenase, were decreased significantly in ME of both C. reflexa stem and C. olitorius seed after 17 days of treatment. High level of substrates and low level of enzymes indicate the inhibition of steroidogenesis in treated mice and may be due to the presence of flavonoids.


Subject(s)
Animals , Corchorus/chemistry , Cuscuta/chemistry , Female , Methanol/chemistry , Mice , Ovary/drug effects , Plant Extracts/pharmacology , Seeds/chemistry , Steroids/antagonists & inhibitors
3.
Rev. mex. reumatol ; 11(1): 9-13, ene.-feb. 1996. tab
Article in Spanish | LILACS | ID: lil-208130

ABSTRACT

Ante la ausencia de un fármaco que cure la artritis reumatoide (AR) del adulto, se utilizan algunos a los que se les conoce como inductores de remisión o de segunda línea, que si bien es cierto que no parecen tener propiedades antiinflamatorias, han demostrado ser efectivos en un buen número de casos. La sulfalazina (SZA) es uno de estos productos y se utilizó hace algunas décadas para el tratamiento de la AR, con resultados aparentemente alentadores; sin embargo, su uso no se extendió y permaneció utilizándose sólo en algunos lugares y para enfermedades específicas sobre todo del tipo de la enfermedad inflamatoria intestinal. En este trabajo se presenta un grupo de 50 pacientes que con diagnóstico de AR recibieron SZA cuando menos por espacio de 6 meses y de quienes en forma longitudinal, retrospectiva y abierta, se analizan los resultados. Se encuentra que la SZA es efectiva para el manejo sintomático de la enfemedad, ayuda a reducir dosis esteroides y la intoleracina gástrica es su principal efecto secundario


Subject(s)
Adolescent , Adult , Middle Aged , Humans , Male , Female , Arthritis, Rheumatoid/therapy , Sulfasalazine/therapeutic use , Steroids/antagonists & inhibitors , Drug Evaluation/methods , Remission Induction/methods
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