Search Results for “Alzheimer” – Page 2 – media

$770 Million! AriBio authorizes Marketing Rights for a Drug to Treat Alzheimer’s Disease in China

It’s reported according to businesswire, AriBio recently announced that it has signed a licensing agreement for the exclusive marketing rights of AR1001, an investigational drug for the treatment of early Alzheimer’s disease, in China at a price of up to US$770 million. Considering the market competition and sales strategy of Alzheimer’s disease drugs in China, the licensee requested that no disclosure be made until the agreed time. The agreement includes an upfront non-refundable payment of 120 billion won (approximately US$90 million), with a total transaction value of up to 5.59 billion yuan (approximately US$770 million), including milestone payments and additional royalties. Upfront payments will begin in mid-2024. AR1001 is a phosphodiesterase type 5 (PDE5) inhibitor in development and an investigational oral drug for the treatment of Alzheimer’s disease. Pre-clinical studies have confirmed that AR1001 can inhibit neuronal apoptosis and restore synaptic plasticity, thus having neuroprotective effects. AR1001 also demonstrated a ...
- Source: drugdu
- 143
- March 28, 2024
Groundbreaking pTau217 Blood Test as Accurate as Brain Imaging or CSF Testing in Diagnosing Alzheimer’s

Alzheimer’s disease (AD) is a neurodegenerative condition that causes the brain to deteriorate over time, marked by the buildup of certain harmful proteins that eventually lead to a decline in brain function and cell death. These changes can happen long before any symptoms show up. Scientists have found certain proteins in the cerebrospinal fluid that are good indicators of AD. One of the most promising markers for early and more precise detection of AD in the blood is phosphorylated tau at position 217 (pTau217). It’s seen as a game-changer for diagnosing AD sooner, categorizing patients for research studies, and improving how patients are cared for and treated. Now, an innovative and novel blood test can be used in the screening, diagnosis, and monitoring of AD based on the circulating level of this promising biomarker pTau217. ALZpath Dx (Carlsbad, CA, USA) has developed a robust and scalable plasma-based ultra-sensitive assay, branded ...
- Source: drugdu
- 153
- March 23, 2024
Poor spatial navigation could predict Alzheimer’s before symptom onset

Around 900,000 people in the UK are affected by the progressive neurodegenerative disease Researchers from University College London (UCL), in collaboration with the University of Cambridge, have revealed that impaired spatial navigation could determine the risk of Alzheimer’s disease (AD) before the onset of symptoms. Published in Alzheimer’s & Dementia: The Journal of the Alzheimer’s Association, researchers used virtual reality (VR) to test the spatial navigation of 100 asymptomatic adults from the PREVENT-Dementia study. Affecting around 900.000 people in the UK, AD is a neurodegenerative disorder that progressively destroys memory, thinking skills and the ability to carry out simple day-to-day tasks. Researchers recruited adults aged between 43 and 66 years who had a hereditary or physiological risk of AD related to either the APOE-ε4 allele gene, a family history of AD or lifestyle risk factors, including low levels of physical activity, who were around 25 years younger than their estimated ...
- Source: drugdu
- 73
- March 6, 2024
New Alzheimer’s Detecting Blood Tests Perform across Broad Range of Races and Ethnicities

Alzheimer’s disease, which traditionally requires costly scans or invasive spinal taps for diagnosis, is now closer to being more easily identified through innovative blood tests. This advancement is particularly crucial with the recent approval of disease-modifying treatments for Alzheimer’s. Now, the results of a study have shown how new Alzheimer’s detecting blood tests perform across a broad range of races and ethnicities for the first time. The Global Alzheimer’s Platform Foundation (GAP, Washington, DC, USA) is releasing the first results from the Bio-Hermes-001 Study. To address diagnostic challenges in Alzheimer’s disease, GAP formed a unique coalition of top biopharma, digital technology firms, nonprofit partners, and 17 clinical research sites from the GAP network (GAP-Net) across the US for the Bio-Hermes study. Conducted with over 1,000 participants from various US communities, the study compared blood and digital biomarker results with brain amyloid PET scans and cerebrospinal fluid assays. The study found ...
- Source: drugdu
- 122
- March 2, 2024
Alzheimer’s Blood Test Could Soon Replace Invasive Spinal Taps and Brain Scans

Historically, Alzheimer’s disease was primarily diagnosed based on observable symptoms, particularly when individuals started exhibiting memory and cognitive difficulties. However, it’s been revealed through research that up to a third of individuals diagnosed with Alzheimer’s based solely on cognitive symptoms have been incorrectly diagnosed, with their symptoms stemming from other causes. The accurate identification of Alzheimer’s disease has become increasingly crucial, especially since the introduction of the first treatments that can slow the disease’s progression, along with other promising drugs currently in development. These treatments are potentially more effective when administered early, highlighting the need for early detection of the disease. Therefore, to qualify for Alzheimer’s therapies, patients must show cognitive impairment and test positive for amyloid plaques, which are distinctive to Alzheimer’s. Techniques like amyloid positron emission tomography (PET) brain scans, cerebrospinal fluid analyses, and blood tests are used to detect brain amyloid plaques. However, these are only employed ...
- Source: drugdu
- 167
- February 28, 2024
Cerebrospinal Fluid Testing of Alzheimer’s Patients to Help Identify Disease Molecular Subtype

Scientists have made a significant discovery by identifying five distinct biological variants of Alzheimer’s disease, each potentially requiring unique therapeutic approaches. This finding suggests that drugs previously tested for Alzheimer’s might have been wrongly deemed ineffective or only slightly beneficial due to these variants being unaccounted for. At the core of Alzheimer’s disease is the accumulation of amyloid and tau proteins in the brain. However, this aggregation is just one aspect of the disease’s complexity. Researchers, including those from Amsterdam UMC (Amsterdam, Netherlands), have employed innovative methods to analyze additional biological processes involved in Alzheimer’s. These processes, which include inflammation and the growth of nerve cells, were studied through the measurement of various biomarkers in the cerebrospinal fluid of patients exhibiting amyloid and tau accumulations. In their analysis of the cerebrospinal fluid of 419 individuals diagnosed with Alzheimer’s, the researchers assessed 1,058 proteins and identified five distinct biological subtypes within ...
- Source: drugdu
- 171
- January 17, 2024
Stem-cell-derived brain cells hold promise for Alzheimer’s, Parkinson’s research

Researchers at the University of Wisconsin–Madison have identified a protein key to the development of a type of brain cell believed to play a role in disorders like Alzheimer’s and Parkinson’s diseases and used the discovery to grow the neurons from stem cells for the first time. The stem-cell-derived norepinephrine neurons of the type found in a part of the human brain called the locus coeruleus may enable research into many psychiatric and neurodegenerative diseases and provide a tool for developing new ways to treat them. Yunlong Tao, an investigator at Nanjing University in China who was a research professor at UW–Madison’s Waisman Center when the study was performed, and Su-Chun Zhang, a UW–Madison professor of neuroscience and neurology, published their work on the cells, which they call LC-NE neurons, today in the journal Nature Biotechnology. Norepinephrine neurons in the locus coeruleus regulate heartbeat, blood pressure, arousal, memory, attention and ...
- Source: drugdu
- 115
- November 21, 2023
Specific navigational errors may indicate early signs of Alzheimer’s disease

People with early Alzheimer’s disease have difficulty turning when walking, according to a new study using virtual reality led by UCL researchers. The study, published in Current Biology, used a computational model to further explore the intricacies of navigational errors previously observed in Alzheimer’s disease. Researchers, led by Professor Neil Burgess and colleagues in the Space and Memory group* at the UCL Institute of Cognitive Neuroscience, grouped participants into three categories: healthy younger participants (31 total), healthy elderly participants (36 total) and patients with mild cognitive impairment (43 total). They then asked them to complete a task while wearing virtual reality goggles, which allowed them to make real movements. In the trial, participants walked an outbound route guided by numbered cones, consisting of two straight legs connected by a turn. They then had to return to their starting position unguided. The task was performed under three different environmental conditions aimed ...
- Source: drugdu
- 121
- October 13, 2023
New Alzheimer’s disease medication approved in Japan

Eisai and BioArctic have received approval for the Alzheimer’s disease drug Leqembi (lecanemab-irmb) in Japan, making it the second country to gain access to the treatment. Leqembi is a monoclonal antibody that targets and reduces insoluble amyloid-beta (Aβ) forms in the brain. It is the first and only approved treatment that has demonstrated a reduction in the rate of disease progression in patients with Alzheimer’s. The Japanese approval unlocked a milestone-based payment of EUR 17m ($18m) to BioArctic. The approval is based on Phase III data from the Clarity AD trial (NCT03887455) led by Eisai that showed that treatment with Leqembi reduced clinical decline in patients by 27% at 18 months compared to the placebo. The prescribing information for Leqembi includes a warning for amyloid-related imaging abnormalities (ARIAs), a concern for Alzheimer’s patients taking certain medication. Last week, BrainScope announced an investment from the Alzheimer’s Drug Discovery Foundation (ADDF) to ...
- Source: drugdu
- 107
- October 6, 2023
Photobiomodulation in sleep has more therapeutic effects for Alzheimer’s disease than in wakefulness

It is well known that sleep is the best medication. However, it is still unknown why the brain recovers better in sleep and whether these processes can be controlled. Recent discoveries have shown that the lymphatic system of the brain is activated during sleep, which contributes to the removal of metabolites, toxins and unnecessary molecules from its tissues. Sleep disturbance contributes to the deposition of metabolites in the central nervous system (CNS). For example, sleep is a biomarker for the development of Alzheimer’s disease. This is due to the fact that the toxic metabolite beta-amyloid is excreted from brain tissue during sleep. Sleep deprivation leads to the accumulation of toxin in the CNS, which over time can lead to the development of Alzheimer’s disease. In this pilot study, the researchers have shown that non-invasive sleep photobiomodulation technology can effectively increase lymphatic excretion of beta-amyloid from the brain tissues of mice ...
- Source: drugdu
- 214
- September 25, 2023

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