AnaptysBio (NasdaqGS:ANAB) Conference Transcript

Summary of AnaptysBio Conference Call Company Overview - Company: AnaptysBio - Industry: Biotechnology Key Points and Arguments 1. Business Split Announcement - AnaptysBio plans to split into two entities: a royalty-focused company and a biopharma company, aimed at enhancing shareholder value and focusing on distinct investor interests [6][9][10] 2. Rosnilimab Development - Rosnilimab, a selective T cell depleter, completed a phase 2b trial in arthritis with 424 patients, showing significant efficacy and safety, with statistically significant results at week 12 [2][3] - The drug demonstrated low disease activity and remission rates that improved over six months and persisted for nine months post-treatment [2][3][18] 3. ANB033 Development - ANB033, a CD122 receptor antagonist, is currently in a phase 1b trial for celiac disease, with plans to announce a second indication in 2026 [4][30] - The trial design includes two cohorts: one undergoing a gluten challenge and another with significant mucosal damage not receiving gluten [28][29] 4. Jemperli Royalty Stream - AnaptysBio has a significant royalty stream from Jemperli, projected to reach a $1.5 billion run rate by year-end, with potential royalties of $390 million when GSK achieves peak sales of over $2.7 billion [4][5][11] - Jemperli is positioned as a market leader in frontline endometrial cancer, with expectations for substantial growth [7][12] 5. Market Expectations and Consensus - There is a notable discrepancy between GSK's sales guidance for Jemperli and Wall Street consensus, with GSK projecting far greater sales than the consensus estimate of $1.9 billion [10][11] - AnaptysBio believes the royalty from Jemperli alone is worth significantly more than its current market cap [12] 6. Future Plans and Funding - AnaptysBio plans to meet with the FDA to discuss the phase 3 program for Rosnilimab and explore various funding options for the RA program [19][20] - The company is considering strategic collaborations to support the development of its pipeline [20] 7. Safety and Efficacy in Trials - The safety profile of Rosnilimab is favorable, with less than 2% of patients discontinuing due to adverse events [18][23] - The company remains confident in the RA program despite a recent setback in ulcerative colitis trials, citing strong translational data supporting the drug's mechanism of action [21][22][24] 8. Market Opportunity in Arthritis - There is a significant market opportunity in the arthritis space, with over 500,000 patients in the U.S. on biologics and many progressing beyond TNFs [15][16] - Rosnilimab is expected to perform well in patients who have previously undergone multiple therapies [16][17] 9. Upcoming Data and Milestones - Data from the ANB033 trial is expected next year, which will provide insights into its efficacy and potential for future development [30] Additional Important Information - The company is well-capitalized, anticipating over $300 million in cash by year-end, including milestone payments from GSK [5]