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This transcript has been edited for clarity.
Dear colleagues, I’m Christoph Diener from the medical faculty of University Duisburg-Essen in Germany. Today I would like to tell you about five interesting studies that were published in January 2024.
Long COVID
I would like to start with long COVID. There is an ongoing discussion about whether this condition — which means symptoms like dizziness, vertigo, fatigue, headache, and cognitive impairment that persist for more than 6 months — is either a consequence of the infection, functional symptoms, psychosomatic disease, or a depression.
There is an important paper that came out in Science. The group investigated 39 controls and 113 patients who had COVID-19. At 6 months, 40 of them had long COVID. The researchers repeatedly measured more than 6500 proteins in serum. The patients with long COVID had a significant increase in complement activation, which persisted even beyond 6 months. These patients also showed increased tissue lesion markers in the blood and activation of the endothelium.
Also, they had increased platelet activation and autoantibodies with increased anti-cytomegalovirus and anti-Epstein-Barr virus immunoglobulins. These are very strong indicators that COVID-19 leads to long-term changes in our immune system, and different activations of complement factors could explain the variety of symptoms that these patients display. Whether this has consequences for treatment is unclear at the moment.
Parkinson’s Classification
Let me come to another issue, which is the future treatment of Parkinson’s disease, covered in a paper in The Lancet Neurology. I think you are all aware that once patients display symptoms like rigidity, bradykinesia, or tremor, it’s most probably too late for neuroprotective therapy because 70% of the dopaminergic neurons are already dead.
The authors propose a new biological diagnosis of the disease in the preclinical state. This early preclinical diagnosis has three components. One is to show the presence of synuclein either in skin biopsy or in serum. The second is proof of neurodegeneration either by MRI or by PET imaging. The third involves genetic markers.
On top of this, we know that we have preclinical manifestations of Parkinson’s disease, like REM sleep disorders, autonomic disturbances, and cognitive impairment. With this new classification, we should be able to identify the preclinical phase of Parkinson’s disease and include these patients in future trials for neuroprotection.
Niemann-Pick Disease
My third study, in The New England Journal of Medicine, deals with Niemann-Pick disease type C (Trial of N-Acetyl-l-Leucine in Niemann–Pick Disease Type C. This is a rare autosomal recessive disorder that involves impaired lysosomal storage. This disease, which manifests usually in childhood, goes along with systemic, psychiatric, and neurologic abnormalities, and in particular, ataxia. Until now, there has been only one therapy, with miglustat. which has many side effects.
The group of authors found a new therapeutic approach with N-acetyl-L-leucine, which primarily increases mitochondrial energy production. This was a small, placebo-controlled, crossover trial with 2 x 12 weeks of treatment. This new compound showed efficacy and was very well tolerated. This shows that we definitely need long-term studies with this new, well-tolerated drug in this rare disease.
Anticoagulation in Subclinical AF
My fourth study comes from the stroke-prevention field, published in The New England Journal of Medicine. I think you are aware of subclinical atrail fibrillation. These are high-frequency episodes in ECG, usually identified by pacemakers or ECG monitoring systems. The international ARTESIA study included more than 4000 patients randomized either to apixaban 5 mg twice daily or aspirin 81 mg.
After 3.5 years, the investigators showed a small but significant decrease in the rate of stroke, with a relative risk reduction of 37%, but also, unfortunately, a significantly increased risk for major bleeding with apixaban. This means that we need a careful discussion with the patient, the family, and the GP to decide whether these patients should be anticoagulated or not.
Migraine and Depression
My final study, published in the European Journal of Neurology, deals with the comorbidity of depression and migraine. This study in the Netherlands included 108 patients treated with erenumab and 90 with fremanezumab; 68 were controls.
They used two depression scales. They showed that treatment with the monoclonal antibodies improved at least one of the two depression scales. I think this is an important study because it indicates that you can improve comorbid depression in people with severe migraine, even if this study did not show a correlation between the reduction in monthly migraine days and the improvement of depression.
What we learned for clinical practice is that we have to identify depression in people with migraine and we have to deal with it. Whether it’s with the treatment of monoclonal antibodies or antidepressant therapy doesn’t really matter.
Dear colleagues, we had interesting studies this month. I think the most spectacular one was published in Science on long COVID. Thank you very much for listening and watching. I’m Christoph Diener from University Duisburg-Essen.
Dr. Diener is Professor, Department of Neurology, Stroke Center-Headache Center, University Duisburg-Essen, Essen, Germany. He disclosed ties with Abbott; Addex Pharma; Alder; Allergan; Almirall; Amgen; Autonomic Technology; AstraZeneca; Bayer Vital; Berlin Chemie; Bristol-Myers Squibb; Boehringer Ingelheim; Chordate; CoAxia; Corimmun; Covidien; Coherex; CoLucid; Daiichi-Sankyo; D-Pharml Electrocore; Fresenius; GlaxoSmithKline; Grunenthal; Janssen-Cilag; Labrys Biologics Lilly; La Roche; 3M Medica; MSD; Medtronic; Menarini; MindFrame; Minster; Neuroscore; Neurobiological Technologies; Novartis; Novo-Nordisk; Johnson & Johnson; Knoll; Paion; Parke-Davis; Pierre Fabre; Pfizer Inc; Schaper and Brummer; sanofi-aventis; Schering-Plough; Servier; Solvay; Syngis; St. Jude; Talecris; Thrombogenics; WebMD Global; Weber and Weber; Wyeth; and Yamanouchi.
A version of this article appeared on Medscape.com.
This transcript has been edited for clarity.
Dear colleagues, I’m Christoph Diener from the medical faculty of University Duisburg-Essen in Germany. Today I would like to tell you about five interesting studies that were published in January 2024.
Long COVID
I would like to start with long COVID. There is an ongoing discussion about whether this condition — which means symptoms like dizziness, vertigo, fatigue, headache, and cognitive impairment that persist for more than 6 months — is either a consequence of the infection, functional symptoms, psychosomatic disease, or a depression.
There is an important paper that came out in Science. The group investigated 39 controls and 113 patients who had COVID-19. At 6 months, 40 of them had long COVID. The researchers repeatedly measured more than 6500 proteins in serum. The patients with long COVID had a significant increase in complement activation, which persisted even beyond 6 months. These patients also showed increased tissue lesion markers in the blood and activation of the endothelium.
Also, they had increased platelet activation and autoantibodies with increased anti-cytomegalovirus and anti-Epstein-Barr virus immunoglobulins. These are very strong indicators that COVID-19 leads to long-term changes in our immune system, and different activations of complement factors could explain the variety of symptoms that these patients display. Whether this has consequences for treatment is unclear at the moment.
Parkinson’s Classification
Let me come to another issue, which is the future treatment of Parkinson’s disease, covered in a paper in The Lancet Neurology. I think you are all aware that once patients display symptoms like rigidity, bradykinesia, or tremor, it’s most probably too late for neuroprotective therapy because 70% of the dopaminergic neurons are already dead.
The authors propose a new biological diagnosis of the disease in the preclinical state. This early preclinical diagnosis has three components. One is to show the presence of synuclein either in skin biopsy or in serum. The second is proof of neurodegeneration either by MRI or by PET imaging. The third involves genetic markers.
On top of this, we know that we have preclinical manifestations of Parkinson’s disease, like REM sleep disorders, autonomic disturbances, and cognitive impairment. With this new classification, we should be able to identify the preclinical phase of Parkinson’s disease and include these patients in future trials for neuroprotection.
Niemann-Pick Disease
My third study, in The New England Journal of Medicine, deals with Niemann-Pick disease type C (Trial of N-Acetyl-l-Leucine in Niemann–Pick Disease Type C. This is a rare autosomal recessive disorder that involves impaired lysosomal storage. This disease, which manifests usually in childhood, goes along with systemic, psychiatric, and neurologic abnormalities, and in particular, ataxia. Until now, there has been only one therapy, with miglustat. which has many side effects.
The group of authors found a new therapeutic approach with N-acetyl-L-leucine, which primarily increases mitochondrial energy production. This was a small, placebo-controlled, crossover trial with 2 x 12 weeks of treatment. This new compound showed efficacy and was very well tolerated. This shows that we definitely need long-term studies with this new, well-tolerated drug in this rare disease.
Anticoagulation in Subclinical AF
My fourth study comes from the stroke-prevention field, published in The New England Journal of Medicine. I think you are aware of subclinical atrail fibrillation. These are high-frequency episodes in ECG, usually identified by pacemakers or ECG monitoring systems. The international ARTESIA study included more than 4000 patients randomized either to apixaban 5 mg twice daily or aspirin 81 mg.
After 3.5 years, the investigators showed a small but significant decrease in the rate of stroke, with a relative risk reduction of 37%, but also, unfortunately, a significantly increased risk for major bleeding with apixaban. This means that we need a careful discussion with the patient, the family, and the GP to decide whether these patients should be anticoagulated or not.
Migraine and Depression
My final study, published in the European Journal of Neurology, deals with the comorbidity of depression and migraine. This study in the Netherlands included 108 patients treated with erenumab and 90 with fremanezumab; 68 were controls.
They used two depression scales. They showed that treatment with the monoclonal antibodies improved at least one of the two depression scales. I think this is an important study because it indicates that you can improve comorbid depression in people with severe migraine, even if this study did not show a correlation between the reduction in monthly migraine days and the improvement of depression.
What we learned for clinical practice is that we have to identify depression in people with migraine and we have to deal with it. Whether it’s with the treatment of monoclonal antibodies or antidepressant therapy doesn’t really matter.
Dear colleagues, we had interesting studies this month. I think the most spectacular one was published in Science on long COVID. Thank you very much for listening and watching. I’m Christoph Diener from University Duisburg-Essen.
Dr. Diener is Professor, Department of Neurology, Stroke Center-Headache Center, University Duisburg-Essen, Essen, Germany. He disclosed ties with Abbott; Addex Pharma; Alder; Allergan; Almirall; Amgen; Autonomic Technology; AstraZeneca; Bayer Vital; Berlin Chemie; Bristol-Myers Squibb; Boehringer Ingelheim; Chordate; CoAxia; Corimmun; Covidien; Coherex; CoLucid; Daiichi-Sankyo; D-Pharml Electrocore; Fresenius; GlaxoSmithKline; Grunenthal; Janssen-Cilag; Labrys Biologics Lilly; La Roche; 3M Medica; MSD; Medtronic; Menarini; MindFrame; Minster; Neuroscore; Neurobiological Technologies; Novartis; Novo-Nordisk; Johnson & Johnson; Knoll; Paion; Parke-Davis; Pierre Fabre; Pfizer Inc; Schaper and Brummer; sanofi-aventis; Schering-Plough; Servier; Solvay; Syngis; St. Jude; Talecris; Thrombogenics; WebMD Global; Weber and Weber; Wyeth; and Yamanouchi.
A version of this article appeared on Medscape.com.
This transcript has been edited for clarity.
Dear colleagues, I’m Christoph Diener from the medical faculty of University Duisburg-Essen in Germany. Today I would like to tell you about five interesting studies that were published in January 2024.
Long COVID
I would like to start with long COVID. There is an ongoing discussion about whether this condition — which means symptoms like dizziness, vertigo, fatigue, headache, and cognitive impairment that persist for more than 6 months — is either a consequence of the infection, functional symptoms, psychosomatic disease, or a depression.
There is an important paper that came out in Science. The group investigated 39 controls and 113 patients who had COVID-19. At 6 months, 40 of them had long COVID. The researchers repeatedly measured more than 6500 proteins in serum. The patients with long COVID had a significant increase in complement activation, which persisted even beyond 6 months. These patients also showed increased tissue lesion markers in the blood and activation of the endothelium.
Also, they had increased platelet activation and autoantibodies with increased anti-cytomegalovirus and anti-Epstein-Barr virus immunoglobulins. These are very strong indicators that COVID-19 leads to long-term changes in our immune system, and different activations of complement factors could explain the variety of symptoms that these patients display. Whether this has consequences for treatment is unclear at the moment.
Parkinson’s Classification
Let me come to another issue, which is the future treatment of Parkinson’s disease, covered in a paper in The Lancet Neurology. I think you are all aware that once patients display symptoms like rigidity, bradykinesia, or tremor, it’s most probably too late for neuroprotective therapy because 70% of the dopaminergic neurons are already dead.
The authors propose a new biological diagnosis of the disease in the preclinical state. This early preclinical diagnosis has three components. One is to show the presence of synuclein either in skin biopsy or in serum. The second is proof of neurodegeneration either by MRI or by PET imaging. The third involves genetic markers.
On top of this, we know that we have preclinical manifestations of Parkinson’s disease, like REM sleep disorders, autonomic disturbances, and cognitive impairment. With this new classification, we should be able to identify the preclinical phase of Parkinson’s disease and include these patients in future trials for neuroprotection.
Niemann-Pick Disease
My third study, in The New England Journal of Medicine, deals with Niemann-Pick disease type C (Trial of N-Acetyl-l-Leucine in Niemann–Pick Disease Type C. This is a rare autosomal recessive disorder that involves impaired lysosomal storage. This disease, which manifests usually in childhood, goes along with systemic, psychiatric, and neurologic abnormalities, and in particular, ataxia. Until now, there has been only one therapy, with miglustat. which has many side effects.
The group of authors found a new therapeutic approach with N-acetyl-L-leucine, which primarily increases mitochondrial energy production. This was a small, placebo-controlled, crossover trial with 2 x 12 weeks of treatment. This new compound showed efficacy and was very well tolerated. This shows that we definitely need long-term studies with this new, well-tolerated drug in this rare disease.
Anticoagulation in Subclinical AF
My fourth study comes from the stroke-prevention field, published in The New England Journal of Medicine. I think you are aware of subclinical atrail fibrillation. These are high-frequency episodes in ECG, usually identified by pacemakers or ECG monitoring systems. The international ARTESIA study included more than 4000 patients randomized either to apixaban 5 mg twice daily or aspirin 81 mg.
After 3.5 years, the investigators showed a small but significant decrease in the rate of stroke, with a relative risk reduction of 37%, but also, unfortunately, a significantly increased risk for major bleeding with apixaban. This means that we need a careful discussion with the patient, the family, and the GP to decide whether these patients should be anticoagulated or not.
Migraine and Depression
My final study, published in the European Journal of Neurology, deals with the comorbidity of depression and migraine. This study in the Netherlands included 108 patients treated with erenumab and 90 with fremanezumab; 68 were controls.
They used two depression scales. They showed that treatment with the monoclonal antibodies improved at least one of the two depression scales. I think this is an important study because it indicates that you can improve comorbid depression in people with severe migraine, even if this study did not show a correlation between the reduction in monthly migraine days and the improvement of depression.
What we learned for clinical practice is that we have to identify depression in people with migraine and we have to deal with it. Whether it’s with the treatment of monoclonal antibodies or antidepressant therapy doesn’t really matter.
Dear colleagues, we had interesting studies this month. I think the most spectacular one was published in Science on long COVID. Thank you very much for listening and watching. I’m Christoph Diener from University Duisburg-Essen.
Dr. Diener is Professor, Department of Neurology, Stroke Center-Headache Center, University Duisburg-Essen, Essen, Germany. He disclosed ties with Abbott; Addex Pharma; Alder; Allergan; Almirall; Amgen; Autonomic Technology; AstraZeneca; Bayer Vital; Berlin Chemie; Bristol-Myers Squibb; Boehringer Ingelheim; Chordate; CoAxia; Corimmun; Covidien; Coherex; CoLucid; Daiichi-Sankyo; D-Pharml Electrocore; Fresenius; GlaxoSmithKline; Grunenthal; Janssen-Cilag; Labrys Biologics Lilly; La Roche; 3M Medica; MSD; Medtronic; Menarini; MindFrame; Minster; Neuroscore; Neurobiological Technologies; Novartis; Novo-Nordisk; Johnson & Johnson; Knoll; Paion; Parke-Davis; Pierre Fabre; Pfizer Inc; Schaper and Brummer; sanofi-aventis; Schering-Plough; Servier; Solvay; Syngis; St. Jude; Talecris; Thrombogenics; WebMD Global; Weber and Weber; Wyeth; and Yamanouchi.
A version of this article appeared on Medscape.com.
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All rights reserved. This material may not be published, broadcast, copied, or otherwise reproduced or distributed without the prior written permission of Frontline Medical Communications Inc.</copyrightNotice> </rightsInfo> </provider> <abstract/> <metaDescription>Dr. Diener chooses noteworthy studies — on topics including long COVID, Parkinson’s disease, Niemann-Pick disease, atrial fibrillation, and migraine — that were</metaDescription> <articlePDF/> <teaserImage/> <teaser><span class="tag metaDescription">Dr. Diener chooses noteworthy studies — on topics including long COVID, Parkinson’s disease, Niemann-Pick disease, atrial fibrillation, and migraine — that were published in January.</span> </teaser> <title>5 Interesting Neurology Studies</title> <deck/> <disclaimer/> <AuthorList/> <articleURL/> <doi/> <pubMedID/> <publishXMLStatus/> <publishXMLVersion>1</publishXMLVersion> <useEISSN>0</useEISSN> <urgency/> <pubPubdateYear>2024</pubPubdateYear> <pubPubdateMonth/> <pubPubdateDay/> <pubVolume/> <pubNumber/> <wireChannels/> <primaryCMSID/> <CMSIDs/> <keywords/> <seeAlsos/> <publications_g> <publicationData> <publicationCode>nr</publicationCode> <pubIssueName>January 2021</pubIssueName> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> <journalTitle>Neurology Reviews</journalTitle> <journalFullTitle>Neurology Reviews</journalFullTitle> <copyrightStatement>2018 Frontline Medical Communications Inc.,</copyrightStatement> </publicationData> <publicationData> <publicationCode>IM</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> <journalTitle/> <journalFullTitle/> <copyrightStatement/> </publicationData> <publicationData> <publicationCode>FP</publicationCode> <pubIssueName/> <pubArticleType/> <pubTopics/> <pubCategories/> <pubSections/> <journalTitle/> <journalFullTitle/> <copyrightStatement>Copyright 2017 Frontline Medical News</copyrightStatement> </publicationData> </publications_g> <publications> <term canonical="true">22</term> <term>21</term> <term>15</term> </publications> <sections> <term>39313</term> <term>86</term> <term canonical="true">27970</term> <term>41022</term> </sections> <topics> <term>285</term> <term>269</term> <term>222</term> <term>72046</term> <term>301</term> <term canonical="true">258</term> </topics> <links/> </header> <itemSet> <newsItem> <itemMeta> <itemRole>Main</itemRole> <itemClass>text</itemClass> <title>5 Interesting Neurology Studies</title> <deck/> </itemMeta> <itemContent> <p><br/><br/><em>This transcript has been edited for clarity</em>.<br/><br/>Dear colleagues, I’m Christoph Diener from the medical faculty of University Duisburg-Essen in Germany. Today I would like to tell you about five interesting studies that were published in January 2024.<br/><br/></p> <h2>Long COVID</h2> <p>I would like to start with long COVID. There is an ongoing discussion about whether this condition — which means symptoms like dizziness, vertigo, fatigue, headache, and cognitive impairment that persist for more than 6 months — is either a consequence of the infection, functional symptoms, psychosomatic disease, or a depression. </p> <p><span class="Hyperlink"><a href="https://doi.org/10.1126/science.adg7942">There is an important paper that came out</a></span> in <em>Science</em>. The group investigated 39 controls and 113 patients who had COVID-19. At 6 months, 40 of them had long COVID. The researchers repeatedly measured more than 6500 proteins in serum. The patients with long COVID had a significant increase in complement activation, which persisted even beyond 6 months. These patients also showed increased tissue lesion markers in the blood and activation of the endothelium.<br/><br/>Also, they had increased platelet activation and autoantibodies with increased anti-cytomegalovirus and anti-Epstein-Barr virus immunoglobulins. These are very strong indicators that COVID-19 leads to long-term changes in our immune system, and different activations of complement factors could explain the variety of symptoms that these patients display. Whether this has consequences for treatment is unclear at the moment.<br/><br/></p> <h2>Parkinson’s Classification</h2> <p>Let me come to another issue, which is the future treatment of Parkinson’s disease, <a href="https://doi.org/10.1016/S1474-4422(23)00404-0"><span class="Hyperlink">covered in a paper in </span><em>The Lancet Neurology</em></a>. I think you are all aware that once patients display symptoms like rigidity, bradykinesia, or tremor, it’s most probably too late for neuroprotective therapy because 70% of the dopaminergic neurons are already dead.</p> <p>The authors propose a new biological diagnosis of the disease in the preclinical state. This early preclinical diagnosis has three components. One is to show the presence of synuclein either in skin biopsy or in serum. The second is proof of neurodegeneration either by MRI or by PET imaging. The third involves genetic markers.<br/><br/>On top of this, we know that we have preclinical manifestations of Parkinson’s disease, like REM sleep disorders, autonomic disturbances, and cognitive impairment. With this new classification, we should be able to identify the preclinical phase of Parkinson’s disease and include these patients in future trials for neuroprotection.<br/><br/></p> <h2>Niemann-Pick Disease</h2> <p><span class="Hyperlink"><a href="https://doi.org/10.1056/NEJMoa2310151">My third study</a></span>, in <em>The New England Journal of Medicine</em>, deals with Niemann-Pick disease<span class="Hyperlink"> </span>type C (Trial of N-Acetyl-l-Leucine in Niemann–Pick Disease Type C. This is a rare autosomal recessive disorder that involves impaired lysosomal storage. This disease, which manifests usually in childhood, goes along with systemic, psychiatric, and neurologic abnormalities, and in particular, ataxia. Until now, there has been only one therapy, with miglustat. which has many side effects.</p> <p>The group of authors found a new therapeutic approach with N-acetyl-L-leucine, which primarily increases mitochondrial energy production. This was a small, placebo-controlled, crossover trial with 2 x 12 weeks of treatment. This new compound showed efficacy and was very well tolerated. This shows that we definitely need long-term studies with this new, well-tolerated drug in this rare disease.<br/><br/></p> <h2>Anticoagulation in Subclinical AF</h2> <p><span class="Hyperlink"><a href="https://www.nejm.org/doi/10.1056/NEJMoa2310234">My fourth study</a> comes from the stroke-prevention field, published in </span><em>The New England Journal of Medicine</em><span class="Hyperlink"/>. I think you are aware of subclinical atrail fibrillation. These are high-frequency episodes in ECG, usually identified by pacemakers or ECG monitoring systems. The international ARTESIA study included more than 4000 patients randomized either to apixaban 5 mg twice daily or aspirin 81 mg.</p> <p>After 3.5 years, the investigators showed a small but significant decrease in the rate of stroke, with a relative risk reduction of 37%, but also, unfortunately, a significantly increased risk for major bleeding with apixaban. This means that we need a careful discussion with the patient, the family, and the GP to decide whether these patients should be anticoagulated or not.<br/><br/></p> <h2>Migraine and Depression</h2> <p><span class="Hyperlink"><a href="https://doi.org/10.1111/ene.16106">My final study</a></span>, published in the <em>European Journal of Neurology</em>, deals with the comorbidity of depression and migraine. This study in the Netherlands included 108 patients treated with erenumab and 90 with fremanezumab; 68 were controls.</p> <p>They used two depression scales. They showed that treatment with the monoclonal antibodies improved at least one of the two depression scales. I think this is an important study because it indicates that you can improve comorbid depression in people with severe migraine, even if this study did not show a correlation between the reduction in monthly migraine days and the improvement of depression.<br/><br/>What we learned for clinical practice is that we have to identify depression in people with migraine and we have to deal with it. Whether it’s with the treatment of monoclonal antibodies or antidepressant therapy doesn’t really matter.<br/><br/>Dear colleagues, we had interesting studies this month. I think the most spectacular one was published in <em>Science</em> on long COVID. Thank you very much for listening and watching. I’m Christoph Diener from University Duisburg-Essen.<br/><br/></p> <p> <em>Dr. Diener is Professor, Department of Neurology, Stroke Center-Headache Center, University Duisburg-Essen, Essen, Germany. He disclosed ties with Abbott; Addex Pharma; Alder; Allergan; Almirall; Amgen; Autonomic Technology; AstraZeneca; Bayer Vital; Berlin Chemie; Bristol-Myers Squibb; Boehringer Ingelheim; Chordate; CoAxia; Corimmun; Covidien; Coherex; CoLucid; Daiichi-Sankyo; D-Pharml Electrocore; Fresenius; GlaxoSmithKline; Grunenthal; Janssen-Cilag; Labrys Biologics Lilly; La Roche; 3M Medica; MSD; Medtronic; Menarini; MindFrame; Minster; Neuroscore; Neurobiological Technologies; Novartis; Novo-Nordisk; Johnson & Johnson; Knoll; Paion; Parke-Davis; Pierre Fabre; Pfizer Inc; Schaper and Brummer; sanofi-aventis; Schering-Plough; Servier; Solvay; Syngis; St. Jude; Talecris; Thrombogenics; WebMD Global; Weber and Weber; Wyeth; and Yamanouchi.</em> </p> <p> <em>A version of this article appeared on <span class="Hyperlink"><a href="https://www.medscape.com/viewarticle/1000118">Medscape.com</a></span>.</em> </p> </itemContent> </newsItem> <newsItem> <itemMeta> <itemRole>teaser</itemRole> <itemClass>text</itemClass> <title/> <deck/> </itemMeta> <itemContent> </itemContent> </newsItem> </itemSet></root>