About Careers MedBlog Contact us
Medindia LOGIN REGISTER
Advertisement

Immunotherapy And Cerebrospinal Fluid Biomarkers In Alzheimer`s Disease Patients, Examined

by Nancy Needhima on April 4, 2012 at 12:47 PM
Font : A-A+

Immunotherapy And Cerebrospinal Fluid Biomarkers In Alzheimer`s Disease Patients, Examined

Immunotherapy containing antibody bapineuzumab in people with mild to moderate Alzheimer's disease lead to fall in a cerebrospinal fluid biomarker, which may indicate downstream effects on the degenerative process, states report published Online First by Archives of Neurology, a JAMA Network publication.

Alzheimer disease (AD) is a progressive neurodegenerative disease characterized by, among other things, deposits of extracellular β-amyloid (Αβ) plaques and intraneuronal neurofibrillary tangles with accompanying decreases in cerebrospinal fluid (CSF) Αβ and increases in CSF tau proteins. Bapineuzumab is an anti-Αβ monoclonal antibody, and immunotherapy with antibodies against Αβ is one of the major disease-modifying therapeutic approaches being evaluated for AD, the authors write in their study background.

Advertisement

Kaj Blennow, M.D., Ph.D., of the University of Gothenburg, Sweden, and colleagues conducted a combined analysis of two double-blind, placebo-controlled trials that included 46 patients with mild to moderate AD. A total of 27 patients were treated with bapineuzumab and 19 with placebo. The researchers evaluated whether bapineuzumab affected the CSF levels of the downstream biomarkers, total tau (T-tau) and phosphorylated tau (P-tau), and the primary biomarker Αβ in the completed trials.

"The reduction in the downstream biomarker CSF P-tau following treatment with bapineuzumab suggests that bapineuzumab reduces brain levels of P-tau, which may also reduce the formation of tangles in the brain," the authors note.
Advertisement

Although there was a reduction in CSF T-tau, it did not reach statistical significance compared with placebo. No clear-cut differences were observed for CSF Αβ, the study results indicate. But the observed decrease in both P-tau and T-tau require further examination, the authors note.

"An important question remains whether such changes in CSF biomarkers correlate with clinical benefit. This question will be addressed in the ongoing bapineuzumab phase 3 trials," the authors conclude.

Source: Eurekalert
Advertisement
Advertisement
Advertisement

Recommended Reading

This site uses cookies to deliver our services.By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Use  Ok, Got it. Close
×

Immunotherapy And Cerebrospinal Fluid Biomarkers In Alzheimer`s Disease Patients, Examined Personalised Printable Document (PDF)

Please complete this form and we'll send you a personalised information that is requested

You may use this for your own reference or forward it to your friends.

Please use the information prudently. If you are not a medical doctor please remember to consult your healthcare provider as this information is not a substitute for professional advice.

Name *

Email Address *

Country *

Areas of Interests