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FDA approves fenfluramine for seizures associated with Dravet syndrome
![FDA approves fenfluramine for seizures associated with Dravet syndrome FDA approves fenfluramine for seizures associated with Dravet syndrome](https://medicaldialogues.in/h-upload/2020/03/27/750x450_126001-fda.webp)
The U.S. Food and Drug Administration has approved Fintepla (fenfluramine) for the treatment of seizures associated with Dravet syndrome in patients age 2 and older.
Dravet syndrome is a rare, treatment-resistant developmental epileptic encephalopathy characterised by multiple types of frequent, disabling seizures.It is often characterized by severe and unrelenting seizures despite medical treatment.
The Food and Drug Administration granted approval of Fintepla to Zogenix, Inc.FINTEPLA will be launched through a restricted distribution program, called the FINTEPLA Risk Evaluation and Mitigation Strategy (REMS) Program, and is expected to be available through Zogenix's specialty pharmacy partner by the end of July.
Fenfluramine is a promising AED in the treatment of Dravet syndrome. Given the severity of Dravet syndrome, fenfluramine exhibits a favorable benefit–risk profile in this patient population and offers a new and possibly effective treatment option
"Dravet syndrome is a debilitating disease that takes a tremendous toll on both patients and their families," said Billy Dunn, M.D., director of the Office of Neuroscience in the FDA's Center for Drug Evaluation and Research. "Fintepla offers an additional effective treatment option for the treatment of seizures associated with Dravet syndrome. The FDA will continue to work with companies on drug development for Dravet syndrome and other types of epilepsy."
The effectiveness of Fintepla for the treatment of seizures associated with Dravet syndrome was demonstrated in two clinical studies in 202 subjects between ages 2 and 18. The studies measured the change from baseline in the frequency of convulsive seizures. In both studies, subjects treated with Fintepla had significantly greater reductions in the frequency of convulsive seizures during the trials than subjects who received placebo (inactive treatment). These reductions were seen within 3-4 weeks, and remained generally consistent over the 14- to 15-week treatment periods.
Fintepla labeling includes a boxed warning stating the drug is associated with valvular heart disease (VHD) and pulmonary arterial hypertension (PAH). Because of these risks, patients must have cardiac monitoring using echocardiograms performed before treatment, every six months during treatment, and once three to six months after treatment is discontinued. If the echocardiogram shows signs of VHD, PAH, or other cardiac abnormalities, health care professionals must consider the benefits and risks of continuing treatment with Fintepla for the patient.
Because of the risks of VHD and PAH, Fintepla is available only through a restricted drug distribution program, under a risk evaluation and mitigation strategy (REMS). The Fintepla REMS requires health care professionals who prescribe Fintepla and pharmacies that dispense Fintepla to be specially certified in the Fintepla REMS and that patients be enrolled in the REMS. As part of the REMS requirements, prescribers and patients must adhere to the required cardiac monitoring with echocardiograms to receive Fintepla.
The most common adverse reactions in clinical studies were decreased appetite; drowsiness, sedation and lethargy; diarrhea; constipation; abnormal echocardiogram; fatigue or lack of energy; ataxia (lack of coordination), balance disorder, gait disturbance (trouble with walking); increased blood pressure; drooling, salivary hypersecretion (saliva overproduction); pyrexia (fever); upper respiratory tract infection; vomiting; decreased weight; risk of falls; and status epilepticus.
The Food and Drug Administration granted this application Priority Review. Fintepla received Orphan Drug designation, which provides incentives to assist and encourage the development of drugs for rare diseases.
For further reference log on to:
FDA
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: editorial@medicaldialogues.in. Contact no. 011-43720751