Acadia Pharmaceuticals Seeks Approval for Trofinetide in EU

Acadia Pharmaceuticals Moves Forward with Trofinetide Application

Acadia Pharmaceuticals Inc. (Nasdaq: ACAD) has recently taken an important step in advancing treatment options for Rett syndrome by submitting a Marketing Authorization Application (MAA) to the European Medicines Agency (EMA) for their drug, trofinetide. This application specifically addresses the treatment of Rett syndrome in both adults and pediatric patients aged two years and older.

If granted approval, trofinetide will stand as the first-ever approved therapy for Rett syndrome within the European Union (EU), a significant milestone for patients and families affected by this complex condition. Notably, trofinetide is already recognized in the United States and Canada, where it enjoys approved status for treating Rett syndrome in similar demographics.

Commitment to the Rett Community

Catherine Owen Adams, CEO of Acadia Pharmaceuticals, expressed the company's deep commitment to the Rett community, highlighting their hope to provide a meaningful impact for those living with this condition and their caregivers. She emphasized the current absence of approved treatment options in the EU, showcasing the urgency behind their efforts to secure marketing authorization.

Acadia's application for trofinetide is bolstered by encouraging outcomes from the pivotal Phase 3 LAVENDER™ study, which investigated the efficacy and safety of trofinetide compared to a placebo. The study involved 187 participants aged five to 20 years and demonstrated statistically significant improvements in key metrics, such as the Rett Syndrome Behaviour Questionnaire (RSBQ) total score and the Clinical Global Impression-Improvement (CGI-I) scale score at 12 weeks. The effectiveness of trofinetide in enhancing communication and behavioral symptoms in this population was also highlighted with encouraging results.

Understanding Rett Syndrome

Rett syndrome is a rare neurodevelopmental disorder predominantly affecting females, occurring in approximately one in every 10,000 to 15,000 births worldwide. Typically, children with Rett syndrome develop normally for a period before experiencing a regression in their skills. Symptoms can vary widely but often include the loss of communication abilities and purposeful hand movement.

As patients with Rett syndrome progress through the stages of this disorder, they may experience considerable challenges, including motor deterioration that may endure throughout their lives. The condition is primarily linked to mutations in the MECP2 gene, which plays a crucial role in brain function. Affected individuals often require intensive support and care.

Symptoms and Challenges

Common symptoms of Rett syndrome encompass repetitive hand movements, such as hand wringing, and difficulties with movement. While many individuals live into adulthood, the complexities of their condition necessitate continuous care and support from their families.

About Trofinetide

Trofinetide represents a synthetic analog of the N-terminal tripeptide of insulin-like growth factor 1 (IGF-1). Despite its promising effects seen in animal studies that demonstrate increased synaptic plasticity and dendritic growth, the exact mechanisms through which trofinetide operates in patients with Rett syndrome remain unclear.

A Commitment from Acadia Pharmaceuticals

Acadia Pharmaceuticals is well-known for its commitment to breakthrough innovations in neuroscience. Since its inception, the company has focused on developing treatments that address crucial medical needs, aiming to improve the lives of individuals facing rare conditions.

To date, Acadia has successfully commercialized the first and only FDA-approved medication for treating hallucinations and delusions related to Parkinson's disease psychosis alongside being a pioneer in the treatment of Rett syndrome. Their ongoing clinical development features diverse programs, targeting conditions including Prader-Willi syndrome and Alzheimer’s disease psychosis, according to evolving healthcare needs.

Frequently Asked Questions

What is the purpose of the Marketing Authorization Application?

The Marketing Authorization Application aims to secure approval for trofinetide as a treatment for Rett syndrome in the EU.

What are the key findings from the LAVENDER™ study?

The LAVENDER™ study showed statistically significant improvements in Rett syndrome symptoms among patients taking trofinetide versus a placebo.

How is Rett syndrome characterized in patients?

Rett syndrome is characterized by severe neurodevelopmental challenges, including loss of communication skills and motor function, typically following an initial period of normal development.

What role does Acadia Pharmaceuticals play in treating Rett syndrome?

Acadia Pharmaceuticals has developed and commercialized the first FDA-approved drug specifically for treating Rett syndrome, aiming to provide effective therapy where none exists.

What are trofinetide's potential effects based on studies?

Trofinetide has shown the potential to enhance synaptic communication and promote neurodevelopmental recovery in preclinical studies, leading to interest in its approval for clinical use.

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