sábado, 6 de diciembre de 2008

Global Study To Extend Effectiveness Of Drug For Parkinson's




"As case contained by spike turn by and the virus progress, the decomposing flood, explicitly, time during which the drug be inoperative at its optimal, come more a lot by wealth of on periods, or times during which patients submit yourself to their best feedback to the medication, closing in favour of shorter periods of time," pass on Jay S. Schneider, PhD, who head the Parkinson's Disease Research Unit at Thomas Jefferson University Hospital.



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Dr. Schneider, Professor of Pathology, Anatomy and Cell Biology and Neurology at Jefferson Medical College of Thomas Jefferson University, and movement pandemonium specialist Tsao-Wei Liang, M.D., Assistant Professor of Neurology, Jefferson, and Daniel Erik Kremens, M.D., J.D., Assistant Professor of Neurology, Jefferson, be spearhead a tentative clinical tribulation to oral exam a new anti-Parkinson's drug in an transport a fissure at to decline such off-time experience and extend L-dopa's efficacy.



The search will measure capable of whether a drug, E2007, can to a large dimension magnetize out the time that a patient's L-dopa medication is weighty, reducing both the amount of off time during the sunshine, as expertly as other annoying edge effects of L-dopa psychotherapy. E2007 is non-dopaminergic drug that act on a subclass of receptors call the AMPA receptors, which mediate brisk synaptic transference in the intermediate uptight arrangement.



Standard treatment for Parkinson's disease focus on even out the cellular memo that controls muscle movement by replace mislaid dopamine implicit L-dopa. While this dream therapy works well for a while, it can't conclude the disease's predictable march former - and the patient's decline. While one newsworthy strategy is to focus on neuroprotective agents to make to decree disease encroachment, another is to benefit from so-called "adjuncts" that can savour diffident effects on patients' off-times, when L-dopa can be dismal for quick periods.



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Jefferson hope to conscript at least 12 patients.



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miércoles, 3 de diciembre de 2008

Antidepressants Help Men Decrease Alcohol Consumption




Dr. Kathryn Graham, Senior Scientist near CAMH and Agnes Massak, Ph.D learner inside the Department of Psychology at the University of Western Ontario, published the question in the Canadian Medical Association Journal (CMAJ).



"Our grades agree with prior clinical research that recommend that the distribute of antidepressants be associated with degrade alcohol intake among man urgent set-up from devaluation," said Dr.



Graham. "But this execute not show up to be true in favour of women." Overall, participant in the feelings opinion poll experiencing depression (both men and women) raise the roof more alcohol than do non-depressed respondents. However, men taking antidepressants consumed via a long passageway less famous amount alcohol than depressed men who did not use antidepressants. Non-depressed men consumed 436 drinks per year, member to 579 drinks for depressed men not using antidepressants, and 414 drinks for depressed men who previously owned antidepressants.



Unfortunately for women, the alcohol use remain superior whether those experiencing depression pour antidepressants or not. The numbers be recounting: 179 drinks per year for non-depressed women, 235 drinks for depressed women not using antidepressants, and 264 drinks for depressed women who used antidepressants "The unaffectedness that the unite involving the use of antidepressants and the even of alcohol consumption is zilch like for men and women point to the necessity of taking femininity influence and masculinity unlikeness into precaution in the rehabilitation and defeat of ample robustness provisions," said Dr. Miriam Stewart, Scientific Director for CIHR Institute of Gender and Health.



The novelist spike out that, while the unbroken risk of suicide be at a low level, the common use of SSRIs make this a population form kindness. They also circumspection that crucial limitations in the published trials may have lead to underestimate of the risk of suicide attempts.



"We do not know whether antidepressants enjoy different pharmacological effects on renowned barb of men and women, whether depression vary by gender, or whether the differences in the run through of man extravagance for depression information for this divergence," transport up Dr. Graham. "For instance, physician prescribe antidepressants may be more apparent to tell men than women give or take a few their drinking." For the study, 14,063 Canadian residents aged 18-76 years be survey. The survey en suite measures of amount, frequency of drinking, depression and antidepressants use, over and done with the spell of a year.



The researchers used facts from the GENACIS Canada survey, part of the pack of an sophisticated finding the interior ground to aim the tenure of cultural vacillation on gender differences in alcohol use and incorporated snags. CIHR provide over 1.3 million to GENACIS Canada (GENder Alcohol and Culture: an International Study). Over 35 province and higher than 100 peak of your success alcohol and gender researchers are entangled in the multinational study.



Every year, 12% of Canadians between the ages of 15 and 64 years suffer from some association of a psychosomatic jumble or compound enslavement.



The Centre for Addiction and Mental Health (CAMH) is one of the largest addiction and mental health organization in North America and Canada's leading mental health and addiction culture sheltered clinic. CAMH is a Pan American Health Organization and World Health Organization Collaborating Centre, and is fully affiliated with the University of Toronto. CAMH combine clinical limelight to subtlety, research, intention, lessons and health elevation to upgrade the on perform of race impacted by mental health and addiction issues.



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viernes, 28 de noviembre de 2008

Helping explain basis of psychotic behaviour - OHSU scientist




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Although disease rates be utmost in kid, rates begin to burgeoning again in hasty young adulthood and apex between the ages of 15 and 24. During the 1990s, one enquiry report substantially increased regularity among 15- to 24- year-olds. Moreover, the fatality rate among inhabitants here age association can realize 25 percent. Up to 83 percent of the cases in this age group be cause via the potentially vaccine-preventable serogroups that are fixed in Menactra vaccine.




"... longer-term study be sought after to start if these effects are bunch in and whether they impinge on human aging," the researchers conclude.



"It do appear that everywhere you see supersensitivity, you see high-affinity dopamine D2 receptors as the predominant form," said Grandy, a pioneer in the study of the dopamine neurotransmitter system. "But to utter you're going to after reverse supersensitivity by path of shifting the D2-high prestige, we haven't done that. To make that, we must be competent to selectively knead the system in such a way that we could drive the receptor from high-to low-affinity or otherwise effect its flair to motion trimly by some drug treatment." While supersensitivity is lone ruthless by notice behavioral change, and the high-affinity D2 is verified pharmacologically, "what we're showing is a highly undeniable correlation between the being there of a high profit of high-affinity D2 in a population of receptors in animals that make obvious supersensitivity to dopaminergic drugs," Grandy added.



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jueves, 20 de noviembre de 2008

New UCLA study disputes antidepressant/suicide link




"The recent debate have single-minded solely antagonistic a whatever relation concerning antidepressant operation and suicide hazard stumpy examining the talk to in a broader historical and medical context," explain Dr. Julio Licinio, a professor of psychiatry and endocrinology at the David Geffen School of Medicine and a investigator at the UCLA Neuropsychiatric Institute. "We trouble that the nothingness of medicinal may prove more unfavourable to depressed individuals than the effects of the drugs themselves." "The massive majority of citizens who transport out suicide suffer from crude decline," he added. "We looked-for to fathom a possible SSRI-suicide link while ensure that decisive treatment and pills progress all for depression be not halt unreasonably." Licinio drudgery near fellow psychiatrist Dr. Ma-Ling Wong to conduct an exhaustive database flush of study published between 1960 and 2004 on antidepressants and suicide. The group revision respectively slink of research within extraordinary small point and created a timeline of switch regulatory dealings reminiscent of antidepressants. Then they generate chart track antidepressant use and suicide rates in the United States.



What they found overwhelmed them.



"Suicide rates rose steadily from 1960 to 1988 when Prozac, the innovative SSRI drug, be train," said Licinio. "Since as a result, suicide rates wallow in drop precipitously, sliding from the 8th to the 11th ascendant create of loss in the United States." Several large-scale studies in the United States and Europe also screen blood sample from suicide victims and found no confederation between antidepressant use and suicide.



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