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

Under-the-skin Injection of Tysabri Approved in Europe

The European Commission (EC) has approved a new method to administer Tysabri (natalizumab) as a treatment for people with relapsing-remittingĀ multiple sclerosis (RRMS). This new delivery route involves a subcutaneous injection in which Tysabri is injected under the skin. Compared with the previously approved intravenous (into the bloodstream) formulation,…

N-acetyl Cysteine Safe, But Failed to Lessen MS Fatigue

Treatment with the antioxidant Nā€acetyl cysteine is well-tolerated, but failed to outperform a placebo at easing fatigue in people with progressive multiple sclerosis (MS), a small clinical trial found. More studies now are needed to determine if oxidative stress contributes to fatigue or clinical progression in MS patients, and…

Certain Factors Worsen Outcomes in MS Patients With COVID-19

People with multiple sclerosis (MS) who have more extensive mobility issues are more likely to have worse outcomes from COVID-19, a new study indicates. The study findings also indicate that COVID-19-associated outcomes are worse among MS patients who are Black, older, have heart-related diseases, and who were treated with…

#ACTRIMS2021 ā€“ Taking Medication During Pregnancy Reduces Healthcare Costs

Editorā€™s note: TheĀ Multiple Sclerosis News Today news team is providing in-depth and unparalleled coverage of the virtual ACTRIMS Forum 2021, Feb. 25ā€“27. GoĀ hereĀ to see the latest stories from the conference. Women with multiple sclerosis (MS) who continue taking disease-modifying therapies (DMTs) throughout pregnancy accrue lower non-maternity healthcare…

#ACTRIMS2021 – Reduced Methionine in Diet Eased Symptoms in MS Mice

Editorā€™s note: TheĀ Multiple Sclerosis News Today news team is providing in-depth and unparalleled coverage of the virtual ACTRIMS Forum 2021, Feb. 25ā€“27. GoĀ hereĀ to see the latest stories from the conference. Reducing the essential amino acid methionine in the diet lessenedĀ multiple sclerosis (MS)-like symptoms in a mouse model of…

#ACTRIMS2021 – Dietary Restriction May Limit Severity of MS

Editorā€™s note: TheĀ Multiple Sclerosis News Today news team is providing in-depth and unparalleled coverage of the virtual ACTRIMS Forum 2021, Feb. 25ā€“27. GoĀ hereĀ to see the latest stories from the conference. Dietary restriction can lessen the severity of multiple sclerosis (MS) by modulating levels of fat-related hormones, new research…

#ACTRIMS2021 – Young Brain Fluid (CSF) Rejuvenates Memory in Mice

Editorā€™s note: TheĀ Multiple Sclerosis News Today news team is providing in-depth and unparalleled coverage of the virtual ACTRIMS Forum 2021, Feb. 25-27. GoĀ hereĀ to see all the latest stories from the conference. Factors in the cerebrospinal fluid (CSF) surrounding the brain and spinal cord change with age and can affect…

Physical Inactivity, Smoking Linked to Patient Fatigue

People with multiple sclerosis (MS) who smoke tobacco or are not physically active are more likely to experience fatigue that interferes with their daily life, a new study indicates. The findings suggest that physical exercise and quitting smoking could help ease fatigue in people with MS. The study, “…

Survey: Patients, Nurses Prefer Sensoready Autoinjector Pen

People with multiple sclerosis (MS) and their nurses prefer the Sensoready autoinjector pen for subcutaneous self-administration of Kesimpta (ofatumumab) over other methods for injecting treatments, according to a survey. The survey was conducted by Novartis, which markets Kesimpta. Full findings from the survey will be presented at…

Zeposia Tablets Approved in Scotland to Treat Active RRMS

The Scottish Medicines Consortium (SMC) has approvedĀ Zeposia (ozanimod)Ā for the treatment of active relapsing-remitting multiple sclerosis (RRMS). Zeposia is sold as a tablet, to be taken by mouth once daily. The SMC has recommended that Zeposia be prescribed for people with RRMS who experience relapses or have evidence of…

FDA Approves Plegridy as Intramuscular Injection for Relapsing MS

The U.S. Food and Drug Administration (FDA) has approved an intramuscular injectionĀ formulation of Plegridy (peginterferon beta-1a) to treat people with relapsing forms of multiple sclerosis (MS). This formulation, for injection directly into muscle, is what is typically used to deliver the flu shot. According to Biogen, Plegridy’s…

CHMP Favors Kesimpta for Adults With Relapsing MS in Europe

A branch of the European Medicines Agency (EMA) has recommended thatĀ Kesimpta (ofatumumab) be approved and made available to treat relapsing forms of multiple sclerosis (MS) in adults with active disease. A final decision from the European Commission (EC) is expected in about two months. Typically, the EC follows…

NfL Mirrors Some Life Quality Aspects Felt by Patients, More Work Needed

Levels of neurofilament light (NfL), a protein marker of neuronal damage, appear to capture some aspects of patientā€perceived physical and functional abilities withĀ multiple sclerosis (MS), as well as theirĀ utilization of select healthcare services, a real-world study suggests. Its researchers, however, stress that more work is needed before NfL levels…