Summary of Amylyx Pharmaceuticals FY Conference Call Company Overview - **Company**: Amylyx Pharmaceuticals (NasdaqGS:AMLX) - **Focus**: Clinical-stage biotech developing therapies for neurodegenerative and endocrine diseases [1][2] Key Programs and Developments - **Avexitide**: - Late-stage asset focused on post-bariatric hypoglycemia (PBH) - Phase 3 LUCIDITY study ongoing, with expected enrollment completion by the end of 2025 and data release in the first half of 2026 [3][20] - First-in-class GLP-1 receptor antagonist with FDA Breakthrough Therapy Designation for PBH [5][6] - Mechanism: Blocks GLP-1 to reduce insulin production, addressing hypoglycemia caused by hyperinsulinemia [6][8] - Phase 2 studies showed a 64% reduction in level 3 hypoglycemic events and a 53% reduction in level 2 events [13][14] - Safety profile: Generally well tolerated with mild to moderate side effects [15] - **Wolfram Syndrome**: - Rare, progressive disease with no current treatment - Using AMX0035, showing positive outcomes in C-peptide and HbA1c levels [21][24] - Estimated 3,000 to 3,500 patients in the U.S. [25] - **ALS Program**: - Targeting axonal degeneration with AMX0114, an antisense oligonucleotide aimed at Calpain 2 - First patient data expected by the end of 2025 [26] Financial Position - Recently completed financing of $175 million, extending runway into 2027 - Cash balance of $180 million as of June 30, 2025 [27] Market Opportunity - Over 160,000 individuals in the U.S. suffer from persistent hypoglycemia post-bariatric surgery, a significant unmet medical need [18][20] - Over 2 million bariatric surgeries performed in the U.S. over the last decade, with 8% developing PBH [18] Regulatory and Patent Status - Patent rights for avexitide extend through 2037, with orphan designation granted for PBH [20][21] Conclusion - Amylyx Pharmaceuticals is actively advancing multiple programs in rare diseases with significant unmet needs, backed by a strong financial position and promising clinical data [27]

Summary of Amylyx Pharmaceuticals (AMLX) Conference Call - September 02, 2025 Company Overview - **Company**: Amylyx Pharmaceuticals (AMLX) - **Focus**: Development of therapies for post-bariatric hypoglycemia (PBH) and Wolfram syndrome Key Points on PBH and Avexitide - **Avexitide**: A GLP-1 receptor antagonist currently in Phase 3 trials, aimed at reducing hypoglycemic events in PBH patients [1][2] - **Market Opportunity**: Approximately 160,000 individuals in the U.S. suffer from PBH, a rare complication following bariatric surgery, with an estimated 8% of bariatric surgery patients developing PBH [5][6] - **Unmet Need**: Current treatments for PBH are limited, primarily involving medical nutrition therapy, which is often ineffective and burdensome [9][10] - **Patient Impact**: PBH significantly affects daily life, causing anxiety and limiting activities due to the risk of severe hypoglycemic events [3][8] - **Clinical Trials**: Recruitment for the Phase 3 LUCIDITY study is on track to complete by year-end 2025, with data expected in the first half of 2026 [11][12] Competitive Landscape - **Current Treatments**: Limited options exist, with off-label therapies showing minimal efficacy and significant side effects [10] - **Differentiation**: Avexitide is positioned as a unique treatment with a strong competitive profile, addressing a significant unmet need in the PBH market [10][21] Insights on Patient Population - **Demographics**: Predominantly affects women in their 40s, often misdiagnosed due to overlapping symptoms with menopause [24][26] - **Awareness and Diagnosis**: Increased awareness among endocrinologists and advocacy groups is leading to better identification of PBH cases [36][37] Wolfram Syndrome Insights - **AMX0035**: A combination therapy for Wolfram syndrome, showing promise in initial studies with stabilization or improvement in diabetic outcomes [27][30] - **Patient Community**: Strong advocacy from families, particularly mothers, is driving awareness and support for research in Wolfram syndrome [35] Future Directions - **Long-Acting Formulations**: Collaboration with Gubra aims to develop a long-acting GLP-1 receptor inhibitor, enhancing treatment options for PBH and potentially other conditions [39][41] - **Regulatory Engagement**: Ongoing discussions with regulatory bodies to streamline the path for pivotal studies in rare diseases like Wolfram syndrome [31][32] Conclusion - **Overall Outlook**: Amylyx Pharmaceuticals is positioned to address significant unmet needs in both PBH and Wolfram syndrome, with promising clinical data and a strong focus on patient impact and education [23][27]

Financial Data and Key Metrics Changes - The company ended 2024 with a solid cash position of $176.5 million, excluding approximately $65.5 million in net proceeds from a public offering that closed on January 13, 2025 [28] - Total operating expenses for Q4 were $39.9 million, down 62% from the same period in 2023 [29] - Research and development expenses were $22.9 million compared to $44.9 million in Q4 2023, primarily due to decreased spending on AMX0035 and other cost reductions [29] - Selling, general and administrative expenses were $17.1 million compared to $52.2 million in Q4 2023, reflecting a decrease in payroll and consulting costs [29] Business Line Data and Key Metrics Changes - The lead asset, avexitide, is in a pivotal Phase III clinical trial targeting post-bariatric hypoglycemia (PBH) with top line results expected in the first half of 2026 [6][7] - AMX0035 is being evaluated in Wolfram syndrome and progressive supranuclear palsy (PSP), with ongoing trials showing promising early data [9][12] - AMX0114 is in a Phase I trial for ALS, with recruitment expected to begin in March or April [16][17] Market Data and Key Metrics Changes - There are approximately 160,000 people in the U.S. living with PBH, a condition with no approved treatments [8][36] - The company estimates that about 8% of individuals who undergo Roux-en-Y gastric bypass will develop PBH, indicating a substantial market opportunity [46] Company Strategy and Development Direction - The company is focused on executing clinical trials and preparing for a potential commercial launch of avexitide in PBH, with a target launch anticipated in 2027 [34][39] - A collaboration with Gubra aims to develop a novel long-acting GLP-1 receptor antagonist, indicating a strategic expansion of the company's pipeline [18] Management's Comments on Operating Environment and Future Outlook - Management expressed optimism about the upcoming data readouts and the potential impact of avexitide as the first approved treatment for PBH [19][39] - The company is preparing for significant milestones in 2025 and 2026, including data from multiple ongoing trials [32][40] Other Important Information - The company has approximately $7.8 million in obligations remaining from previously recognized items related to the discontinuation of RELYVRIO/ALBRIOZA, expected to be paid through 2025 [31][32] - The company appointed Dan Monahan as Chief Commercial Officer to lead commercialization efforts, highlighting a strengthened leadership team [35] Q&A Session Summary Question: Why limit the entry criteria to just Roux-en-Y gastric bypass procedures for the PBH Phase III trial? - Management noted that they have the most experience with avexitide in patients who have undergone Roux-en-Y gastric bypass, but they recognize the pathophysiology is consistent across bariatric surgeries [45] Question: How will efficacy be interpreted in the PSP ORION study across regions? - Management indicated that both the 10-item and 28-item PSP rating scales will be analyzed, and they expect similar results from both [48] Question: What is the target profile for the long-acting GLP-1? - Management clarified that avexitide is a GLP-1 antagonist, which has shown reductions in insulin and hypoglycemia, differentiating it from GLP-1 agonists [51] Question: How is the market for PBH forecasted to change over time? - Management believes the market will continue to grow due to the chronic nature of PBH and ongoing demand for bariatric surgeries [55][59] Question: What are the expectations for the week 48 data in the Wolfram syndrome trial? - Management is looking for sustained improvements in C-peptide response and visual acuity, which would support regulatory confidence in AMX0035 [64] Question: Is there potential for avexitide to be developed for other indications beyond PBH? - Management acknowledged the potential for avexitide in other diseases characterized by hyperinsulinemic hypoglycemia but emphasized that the current focus remains on PBH [65]