Marisa Wexler, MS, senior science writer —

Marisa holds a Master of Science in cellular and molecular pathology from the University of Pittsburgh, where she studied novel genetic drivers of ovarian cancer. Her areas of expertise include cancer biology, immunology, and genetics, and she has worked as a science writing and communications intern for the Genetics Society of America.

Articles by Marisa Wexler

EMA Committee Votes Against Approving Aduhelm in Europe

A European Medicines Agency (EMA) committee has voted against approving Biogen’s Aduhelm (aducanumab) as a treatment for Alzheimer’s disease. The EMA’s Committee for Medicinal Products for Human Use, known as CHMP, is expected to issue a formal ruling based on this so-called negative trend vote after its meeting in…

Study Connects Herpes to Biological Risk for Alzheimer’s

A biological framework called the “microcompetition model” may explain why people infected with herpes simplex 1 (HSV1) are at increased risk of developing Alzheimer’s disease. “These dynamics explain the observed connection reported in many studies between the virus and Alzheimer’s disease, and provide a framework for further investigations,” researchers…

Safety Board Recommends Trial of Anavex 2-73 Continues as Planned

After reviewing interim trial data, an independent safety board has recommended that Anavex Life Sciences continues a trial, without modification, of its oral therapy Anavex 2-73 (blarcamesine) in people with early Alzheimer’s disease. The board made a similar recommendation after an interim analysis earlier this year. Such a…

Semorinemab Slows Decline in Cognition, Top-line Results Show

Treatment with the investigational anti-tau monoclonal antibody semorinemab significantly slowed decline in a measure of cognition among people with mild-to-moderate Alzheimer’s disease in the Phase 2 LAURIET clinical trial, top-line results show. “The top line results of the Lauriet Phase 2 clinical trial of semorinemab are remarkable in that…

Congress Asks FDA for More Information on Aduhelm Approval

Federal lawmakers are asking the U.S. Food and Drug Administration (FDA) to provide additional data and documents related to the agency’s controversial decision to grant accelerated approval to Biogen‘s Aduhelm (aducanumab) as a treatment for Alzheimer’s disease. U.S. Rep. Frank Pallone, Jr., chair of the House Committee on…

All Patients in GAIN Trial Show Signs of Gum Disease Bacteria

Every participant in the Phase 2/3 GAIN clinical trial, which is testing Cortexyme’s experimental medication COR388 (atuzaginstat) in people with Alzheimer’s disease, showed evidence of infection by Porphyromonas gingivalis (P. gingivalis), according to a new analysis. In particular, all patients analyzed at the beginning of the study who had…

#AAIC21 – Aduhelm Shows Range of Benefits in EMERGE

Treatment with Aduhelm (aducanumab) slows the clinical decline observed in in Alzheimer’s across a range of cognitive and functional measurements, according to a new analysis of data from a Phase 3 clinical trial. The results were presented at the Alzheimer’s Association International Conference (AAIC) 2021, held July 26–30 both…

#AAIC21 – New Analyses Support Aduhelm’s Effects on Cognition

In clinical trials of the Alzheimer’s treatment Aduhelm (aducanumab), participants who experienced a greater reduction in brain levels of amyloid plaques — the abnormal protein clumps targeted by the treatment — tended to also experience a greater treatment benefit, in terms of cognition and functional ability, according to new…

#AAIC21 – Expert Group Publishes Guidance on Aduhelm’s Use

A panel of experts has crafted guidance for clinical use of Aduhelm (aducanumab), the first targeted treatment for Alzheimer’s disease recently granted accelerated approval by the U.S. Food and Drug Administration (FDA). The recommendations include criteria for determining those patients most appropriate for this once-monthly infusion treatment, and for…