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

Pre-dental preventive treatment may not be needed in HAE: Study

Short-term preventive treatment before dental procedures may not be necessary for people with hereditary angioedema (HAE) who are already on long-term prophylaxis, according to a new study by researchers in Germany. It’s well-established that dental procedures and surgeries can act as triggers to increase the risk of the swelling…

Pivotal Phase 3 clinical trial of navenibart in HAE launched

Astria Therapeutics has initiated a Phase 3 clinical trial to study its experimental therapy navenibart in adults and adolescents with hereditary angioedema (HAE). The study, called ALPHA-ORBIT (NCT06842823), is planned to be pivotal, meaning, if the results are positive, the trial may serve as the basis to…

Pre-filled pen version of Takhzyro approved in Europe

The European Medicines Agency (EMA) has approved a new pre-filled pen version of Takhzyro (lanadelumab) as a treatment for people, 12 and older, with hereditary angioedema (HAE), according to an announcement from Takeda, the company that markets Takhzyro. The new pen option contains 300 mg of lanadelumab,…

Andembry approved in Japan as preventive treatment for HAE

Japan’s Ministry of Health, Labour and Welfare (MHLW) has approved Andembry (garadacimab) as a treatment to reduce the risk of swelling attacks in people with hereditary angioedema (HAE). The approval makes Andembry the first long-term preventive treatment in Japan available in a prefilled pen and given once…

Sebetralstat controls swelling in long-term prophylaxis patients

On-demand treatment with oral sebetralstat is effective for controlling swelling attacks in people with hereditary angioedema (HAE) who are on long-term preventive treatment, an interim analysis from a clinical trial shows. The findings were presented this month at the Western Society of Allergy, Asthma and Immunology (WSAAI) 2025…

Oral HAE treatment Orladeyo now available to patients in Portugal

The government agency in Portugal that regulates human medicines, Infarmed, has recommended Orladeyo (berotralstat) for the routine prevention of swelling attacks in people with hereditary angioedema (HAE), ages 12 and older. With this positive recommendation, HAE patients in the country will now be able to access Orladeyo treatment.

Sebetralstat up for approval in Japan as on-demand HAE treatment

Kalvista Pharmaceuticals has submitted an application asking Japan’s Ministry of Health, Labour and Welfare (MHLW) to approve its oral therapy sebetralstat as an on-demand treatment to manage swelling attacks in people with hereditary angioedema (HAE), ages 12 and older. “The submission of our [new drug application] for sebetralstat…

Garadacimab recommended for approval in Europe to treat HAE

A European Medicines Agency (EMA) committee has recommended that the antibody-based therapy garadacimab be approved as a once-monthly preventive treatment to reduce the risk of swelling attacks in people with hereditary angioedema (HAE) ages 12 and older. The positive opinion from the EMA’s Committee for Medicinal Products…