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1.
Indian J Physiol Pharmacol ; 2008 Jan-Mar; 52(1): 91-6
Artigo em Inglês | IMSEAR | ID: sea-107223

RESUMO

The angiotensin converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) are a well known entity and have been used in therapeutics for various indications like hypertension, myocardial infarction and CHF. However, there is a renewed interest in these compounds in terms of their effects on pain perception in animals as well as in human beings. They have yielded contradictory results, showing hyperalgesia in some studies but analgesia in others. Hence this study was undertaken to evaluate the effect of Ramipril (an ACE-I) and Losartan (an ARB) on pain perception in human volunteers using cola caps and handcuff of sphygmomanometer. A total of 30 healthy, normotensive individuals with no previous history of intake of analgesics during or 4 weeks prior to the study were selected after an informed consent. The first group received a single dose of placebo, the second group received Ramipril (2.5 mg) & the third group received Losartan (50 mg). Pain perception threshold (the point at which an individual first experiences pain) and the maximum tolerated pain were assessed using the above method. The control group showed no significant changes in pain threshold, but the group receiving either Ramipril or Losartan showed a decline in threshold for maximum tolerated pain. Only Ramipril and not Losartan decreased the pain perception threshold. Our study revealed that single dose treatment of healthy volunteers with Ramipril and Losartan may cause algesia as early as after ingestion of the first dose and further studies are needed to study their long term effects on pain perception.


Assuntos
Adulto , Bloqueadores do Receptor Tipo 1 de Angiotensina II/farmacologia , Inibidores da Enzima Conversora de Angiotensina/farmacologia , Pressão Sanguínea/efeitos dos fármacos , Método Duplo-Cego , Humanos , Losartan/farmacologia , Dor/psicologia , Medição da Dor/efeitos dos fármacos , Limiar da Dor/efeitos dos fármacos , Ramipril/farmacologia
2.
Indian J Physiol Pharmacol ; 2007 Apr-Jun; 51(2): 118-30
Artigo em Inglês | IMSEAR | ID: sea-108368

RESUMO

Drug abuse is a major concern in the athletic world. The misconception among athletes and their coaches is that when an athlete breaks a record it is due to some "magic ingredient" and not because of training, hard work, mental attitude and championship performance. The personal motivation to win in competitive sports has been intensified by national, political, professional and economic incentives. Under this increased pressure athletes have turned to finding this "magic ingredient". Athlete turns to mechanical (exercise, massage), nutritional (vitamins, minerals), pharmacological (medicines) or gene therapies to have an edge over other players. The World Anti-Doping Agency (WADA) has already asked scientists to help find ways to prevent gene therapy from becoming the newest form of doping. The safety of the life of athletes is compromised with all forms of doping techniques, be it a side effect of a drug or a new technique of gene doping.


Assuntos
Dopagem Esportivo/legislação & jurisprudência , Terapia Genética/efeitos adversos , Humanos , Esportes/economia , Detecção do Abuso de Substâncias/métodos
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