Core Insights - Acadia Pharmaceuticals anticipates a negative opinion from the European Medicines Agency's Committee for Medicinal Products for Human Use regarding its marketing application for trofinetide to treat Rett syndrome [1][2] Company Overview - Acadia was informed of a negative trend vote on its marketing application for trofinetide, which may delay potential approval in the European Union [2] - The company plans to seek a re-examination of the CHMP opinion once it is formally adopted [2] Product Information - Trofinetide is intended for treating Rett syndrome, a rare neurodevelopmental disorder affecting approximately one in 10,000-15,000 female births globally [3] - The FDA approved trofinetide for treating Rett syndrome in adults and pediatric patients aged two years and older in 2023, marketed as Daybue in the United States [4] Financial Performance - Acadia's shares have increased by 8.6% over the past six months, while the industry has seen a rally of 18.8% [5] - The company expects long-term growth from its products Nuplazid and Daybue, targeting combined net sales of $1.7 billion by 2028, with approximately $1 billion from Nuplazid and $700 million from Daybue [8][9] Market Position - Nuplazid is the first and only FDA-approved treatment for hallucinations and delusions associated with Parkinson's disease psychosis, with patent protection until 2038 [10] - In the first nine months of 2025, Nuplazid generated $505.7 million in sales, reflecting a 13% year-over-year increase [10] - Daybue has also shown promising sales, with $281.8 million in sales during the first nine months of 2025, up 12% year-over-year [11] New Product Launch - The FDA recently approved Daybue Stix, an oral solution for treating Rett syndrome, which will be launched in a limited capacity in Q1 2026, followed by broader availability in Q2 2026 [12][13]

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Financial Data and Key Metrics Changes - The company reported total revenues of $244.3 million for Q1 2025, representing a 19% increase year-over-year [7][28] - Debut net product sales were $84.6 million, up 11% from the previous year, while NUPLAZID sales reached $159.7 million, reflecting a 23% increase year-over-year [8][30] - R&D expenses increased to $78.3 million from $59.7 million in Q1 2024, and SG&A expenses rose to $126.4 million from $108 million in the same period [31] Business Line Data and Key Metrics Changes - Debut sales showed a significant increase in unique patients receiving shipments, reaching an all-time high of 954, up from 920 in Q4 2024 [11][12] - NUPLAZID's growth included a 6% increase in volume, with the remainder attributed to one-time changes in gross to net [8][30] - The company expects continued growth in both brands, with a focus on expanding patient engagement and community reach [7][9] Market Data and Key Metrics Changes - The company is preparing for a strong launch of Debut in Europe, anticipating EMA approval in Q1 2026, with a substantial market opportunity for Rett syndrome patients [14][15] - The U.S. market for NUPLAZID continues to show strong momentum, with a nearly 30% increase in awareness of Parkinson's-related hallucinations and delusions since the launch of the More to Parkinson's campaign [17][18] Company Strategy and Development Direction - The company is focused on executing strategic priorities, including accelerating Debut's commercial trajectory, capitalizing on NUPLAZID's momentum, and advancing its pipeline [33][34] - The upcoming R&D Day is expected to provide insights into the company's development strategy and showcase innovations across its pipeline [24][34] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the sustainability of Debut's growth and reiterated full-year sales guidance for both Debut and NUPLAZID [8][9] - The company is optimistic about the upcoming results from the COMPASS PWS Phase III study, with top-line results expected by Q4 2025 [19][33] Other Important Information - The company has a strong cash balance of $681.6 million as of March 31, 2025, despite a sequential decline due to significant payments made [31] - The company is actively looking for strategic transactions to expand its portfolio, particularly in areas of high unmet medical need [84] Q&A Session Summary Question: What does good 101 data look like and how does it relate to FDA discussions? - Management indicated that statistically significant results demonstrating a clinically meaningful impact on hyperphagia would be considered good data [39] Question: How should we model a European price for Debut? - Management expressed confidence in obtaining a strong EU price that reflects the value provided to the Rett community, while monitoring potential pricing risks [40][41] Question: What are the key growth drivers for NUPLAZID and Debut from Q1 to Q2? - Management highlighted that volume will drive performance, with expectations for continued patient engagement and operational improvements [48][49] Question: What is the confidence level for EMA approval for trofinetide? - Management expressed confidence in the EMA approval process, noting that they are on track with the timeline and have received no indications of issues [82] Question: How does the company view its positioning against competitors in the Prader Willi market? - Management believes there is room for multiple therapies in the Prader Willi space, emphasizing the complex needs of patients and the potential for combination therapies [95]

Financial Data and Key Metrics Changes - Acadia Pharmaceuticals reported total revenues of $244.3 million for Q1 2025, representing a 19% increase year-over-year [6][29] - R&D expenses increased to $78.3 million from $59.7 million in Q1 2024, driven by higher spending on clinical stage programs [32] - SG&A expenses rose to $126.4 million from $108 million in Q1 2024, primarily due to ongoing consumer activation campaigns for NUPLAZID and expansion of the Debut team [32] Business Line Data and Key Metrics Changes - Debut sales reached $84.6 million in Q1 2025, an 11% increase from the previous year, with a record number of unique patients receiving shipments [7][29] - NUPLAZID generated $159.7 million in revenue for the quarter, up 23% year-over-year, with 6% of this growth attributed to volume [7][31] Market Data and Key Metrics Changes - The number of unique patients receiving Debut shipments was 954, marking an all-time high for the brand [7][11] - NUPLAZID's gross price increased by over 2% year-over-year, with a gross-to-net adjustment of 24.1% for the quarter [31] Company Strategy and Development Direction - Acadia is focused on accelerating the commercial trajectory of Debut and capitalizing on the momentum of NUPLAZID while expanding its global presence [35] - The company plans to host its first R&D Day to provide insights into its development strategy and pipeline innovations [9][35] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the sustainability of Debut's growth and reiterated full-year sales guidance for both Debut and NUPLAZID [7][35] - The timeline for the COMPASS PWS Phase III study results is now expected by the end of 2025, indicating progress in pipeline development [9][35] Other Important Information - Acadia anticipates EMA approval for Debut in Q1 2026, with a substantial market opportunity in Europe for Rett syndrome patients [14][28] - The company has received orphan drug designation for trofinetide in Japan, which may lead to priority review [28] Q&A Session Summary Question: What does good 101 data look like and how does it relate to FDA discussions? - Management indicated that statistically significant results demonstrating a clinically meaningful impact on hyperphagia would be considered good data [40] Question: How should we model a European price for Debut? - Management expressed confidence in obtaining a strong EU price that reflects the value provided to patients in the Rett community [41] Question: What are the key growth drivers for NUPLAZID and Debut from Q1 to Q2? - Management highlighted patient demand and the impact of expanded customer models as key growth drivers for both brands [44][46] Question: What are the biggest risks to the approval process for trofinetide in the EU? - Management stated confidence in the EMA approval process, noting that they are on track with the regulatory timeline [80] Question: How does Acadia view its positioning against Celeno's product for Prader Willi? - Management believes there is room for multiple therapies in the Prader Willi space, emphasizing the complexity of patient needs [95]