Alto Neuroscience (ANRO) 2025 Conference Transcript

Summary of Alto Neuroscience (ANRO) Conference Call Company Overview - Company: Alto Neuroscience - Focus: Precision psychiatry, aiming to understand individual brain biology to guide treatment development and patient selection [4][5] Key Points and Arguments Precision Psychiatry Approach - Alto Neuroscience employs a precision psychiatry approach, focusing on understanding the biology of individual patients to improve treatment outcomes [4] - The company identifies a significant need for innovation in psychiatry, given the high prevalence of mental health issues and limited advancements [4] Biomarkers and Drug Development - All programs incorporate biomarkers to enhance patient selection and treatment efficacy [5] - The company is developing multiple phase 2B studies, utilizing biomarkers to define patient populations that will benefit from treatments [6] FDA Interaction and Regulatory Strategy - The FDA is primarily concerned with clear patient definitions and inclusion/exclusion criteria, which Alto believes can be effectively addressed through their biomarker approach [12][14] - The company has engaged with the FDA regarding their programs, indicating a supportive stance if the biomarker rationale is clear [14] Recent Acquisition - Alto recently acquired a new asset, Alto 207, a fixed-dose combination of pramipexole and ondansetron, aimed at treating treatment-resistant depression (TRD) [15][16] - The combination is designed to enhance antidepressant efficacy while minimizing side effects, allowing for faster titration [16][19] Clinical Data and Efficacy - Initial studies show promising results for the combination, with a significant effect size on MADRS scores, indicating potential for rapid effects in TRD patients [22][23] - The study demonstrated a Cohen's D of 1.1, with an eight-point difference in MADRS scores between drug and placebo at eight weeks [23] Future Plans and Trials - Phase 2B trials for Alto 207 are set to begin in the first half of next year, with results expected in 2027 [26] - The company has sufficient cash runway into 2028, allowing for multiple upcoming catalysts, including three phase 2B trials [55] Other Programs - Alto is also developing an H3 inverse agonist compound, with a focus on pharmacodynamics and cognitive benefits [34][35] - The company is exploring biomarkers for cognitive impairment in schizophrenia, specifically using EEG to measure treatment effects [47][49] Additional Important Insights - The company emphasizes the importance of selecting the right patient populations based on cognitive impairment metrics, which could enhance the efficacy of treatments [50] - Alto's strategy includes leveraging existing safety data to streamline the regulatory pathway for new drug combinations [31][32] - The potential for complementary biomarkers to improve treatment outcomes and payer acceptance is a key aspect of Alto's strategy [30] This summary encapsulates the critical insights from the conference call, highlighting Alto Neuroscience's innovative approach to psychiatric treatment and its strategic plans for future development.