Author Archives: Marisa Wexler MS

Rare Disease Therapy Developers Saw Investment Jump 28% in 2021

Investment in companies developing treatments for Lambert-Eaton myasthenic syndrome (LEMS) and other rare diseases increased by 28% in 2021 compared with the previous year, according to a new report from the rare disease nonprofit Global Genes. “Rare diseases continue to have a strong allure to investors, as evidenced…

US Court Won’t Rehear Its Ruling Overturning Ruzurgi’s FDA Approval

A federal appeals court has denied Jacobus Pharmaceutical’s petition to rehear its prior ruling overturning the U.S. approval of the company’s Ruzurgi to treat children with Lambert-Eaton myasthenic syndrome (LEMS). The decision is a victory for Catalyst Pharmaceuticals, which sued the U.S. Food and Drug Administration over Ruzurgi’s approval…

Cholinesterase Inhibitors Alone Can Ease LEMS Symptoms, Per Report

Cholinesterase inhibitors may be useful in controlling the symptoms of Lambert-Eaton myasthenic syndrome (LEMS) in people with relatively mild disease, as highlighted in a recent case report. The findings suggest that these medications may be particularly useful for managing LEMS in countries where Firdapse (amifampridine) — the…

Jacobus Recalls 3 Lots of Ruzurgi Due to Contamination

Jacobus Pharmaceutical has issued a voluntary recall for three lots of Ruzurgi (amifampridine), a medication that is approved in the U.S. to treat people with Lambert-Eaton myasthenic syndrome (LEMS) ages 6–17. According to the company’s announcement, while doing confirmatory full testing on one of the lots, control…

Report: Use Multiple Tests to Find LEMS Antibodies

Immunofluorescence, a technique that can be used to detect antibodies associated with Lambert-Eaton myasthenic syndrome (LEMS), was negative in a 72-year-old woman, but another technique — called immunoblot — was positive for LEMS-associated antibodies. This ultimately allowed for a LEMS diagnosis and the discovery of a previously unknown tumor.

2nd Firdapse Patent Secured in US by Catalyst with 3 Still Pending

Catalyst Pharmaceuticals has secured a second U.S. patent covering Firdapse (amifampridine), an approved oral treatment for Lambert-Eaton myasthenic syndrome (LEMS). “We are pleased that this second patent for Firdapse has been issued and believe that it further enhances our intellectual property protection for Firdapse,” Patrick J. McEnany, chairman…

Catalyst, DyDo Strike Deal to Develop, Market Firdapse in Japan

Catalyst Pharmaceuticals has teamed up with DyDo Pharma to develop and commercialize Firdapse (amifampridine) in Japan for the treatment of Lambert-Eaton myasthenic syndrome (LEMS). Under the terms of their agreement, DyDo will be responsible for funding all clinical, regulatory, marketing, and commercialization activities in Japan. In turn,…