Summary of Climb Bio's Conference Call Company Overview - **Company**: Climb Bio - **Focus**: Autoimmune diseases with two antibodies in clinical development Key Points Upcoming Milestones - Climb Bio has five clinical data readouts scheduled for this year - Monoclonal antibody targeting CD19: - Data on subcutaneous (subQ) formulation in healthy volunteers expected in the first half of the year - Initial data from Phase 1b studies in Immune Thrombocytopenic Purpura (ITP) and Systemic Lupus Erythematosus (SLE) in the second half - Initial data from Phase 2 study in Primary Membranous Nephropathy (PMN) also expected in the second half - Second antibody, an APRIL-only antibody for IgA nephropathy, will have data available mid-year [2][3][4] Competitive Landscape - UPLIZNA is currently the only approved CD19 antibody, focusing on rare neuro diseases - Climb Bio's CD19 antibody is believed to have greater affinity and a subQ formulation option, which UPLIZNA lacks [5][7][11] PMN Indication - No approved therapies currently exist for PMN; standard care includes off-label use of rituximab - Rituximab achieves complete renal remission in only 10% of patients after one year and 35% after two years - Climb Bio's Phase 1b study showed a 60% complete remission rate and 100% serological remission in PLA2R antibody-positive patients [14][15][32] Market Opportunity - Approximately 70,000 patients in the U.S. have PMN, with two-thirds requiring therapeutic intervention - Regulatory strategy involves one Phase 3 study with around 150 patients, focusing on proteinuria as the primary endpoint [32][34] ITP and SLE Indications - ITP has a strong rationale for CD19 targeting, with only 20% of refractory patients achieving a durable platelet response - SLE is viewed as a more complex indication, requiring larger pivotal trials; Climb Bio is conducting a parallel study in China for lupus nephritis patients [39][40][41] APRIL Antibody Development - Climb Bio's APRIL-only antibody (CLYM116) features a unique sweeper mechanism, allowing for high-affinity binding and potential for longer half-life - Early studies indicate a two- to threefold longer half-life compared to existing therapies, with better activity in IgA suppression [48][56][60] Financial Position - Climb Bio reported $176 million in cash at the end of Q3, with a runway extending into 2028, covering all planned readouts for the year [93][95] Future Indications - Climb Bio is exploring additional indications for the APRIL antibody, including Sjögren's syndrome, to maximize asset potential [90][91] Conclusion - Climb Bio is positioned to address significant unmet needs in autoimmune diseases with promising clinical data and a strong financial foundation, paving the way for potential market success in the coming years [2][93][95]

Core Insights - BeOne Medicines Ltd. announced new data on sonrotoclax, a next-generation BCL2 inhibitor, showing significant clinical benefits as both a monotherapy and in combination therapies for B-cell malignancies, particularly at the 67th American Society of Hematology Annual Meeting [1][2] Summary by Category Clinical Data - Sonrotoclax demonstrated an overall response rate (ORR) of 52.4% in patients with relapsed/refractory mantle cell lymphoma (MCL), with a complete response (CR) rate of 15.5% in a Phase 1/2 study [3] - The median duration of response (DOR) was 15.8 months, with a median time to response (TTR) of 1.9 months and a median progression-free survival (PFS) of 6.5 months [4] - In combination therapies, sonrotoclax plus zanubrutinib achieved a 100% ORR in 135 efficacy-evaluable patients, with a CR/CRi rate of 55% [7] Safety and Tolerability - Treatment with sonrotoclax monotherapy was generally well tolerated, with manageable adverse events; the most common grade 3 treatment-emergent adverse events included neutropenia (19.1%), infections (16.5%), and pneumonia (10.4%) [5] - The combination therapies also showed good tolerability, with no treatment-emergent adverse events leading to death or significant complications [13][14] Regulatory Status - Sonrotoclax is under Priority Review by the U.S. Food and Drug Administration (FDA) for potential accelerated approval, having received Breakthrough Therapy Designation and Fast Track Designation for MCL and other conditions [5][17] Market Potential - Sonrotoclax could become the first BCL2 inhibitor approved for relapsed/refractory MCL in the U.S., with the potential to transform treatment outcomes for patients with limited options [3][6]

Summary of Nurix Therapeutics Conference Call Company Overview - **Company**: Nurix Therapeutics (NasdaqGM:NRIX) - **Event**: Jefferies London Healthcare Conference 2025 - **Date**: November 19, 2025 Key Points Industry and Product Focus - Nurix Therapeutics is focused on developing therapies for Chronic Lymphocytic Leukemia (CLL) and other indications using their BTK degrader platform, specifically Bexobrutideg and NX-5948 [3][4][5] Upcoming Events and Data Releases - The company will present data at the upcoming ASH conference, including follow-up data from Phase 1A and Phase 1B trials for Bexobrutideg and NX-5948 [3][4] - Key metrics to be reported include duration of therapy and duration of response, with patients having been on therapy for over two years [3][4] Pivotal Trial Design - The pivotal trial for Bexobrutideg will focus on a triple-exposed patient population in CLL, with a selected dose of 600 mg once daily based on Phase 1B data [4][6] - The trial aims for accelerated approval, allowing early market access, while full approval will follow a randomized control study [10][11] Competitive Landscape - The company anticipates competition from pirtobrutinib, a non-covalent BTK inhibitor from Eli Lilly, which is expected to gain full approval [8][10] - Nurix is positioning Bexobrutideg as a potential standard of care in the U.S. market for CLL [10] Combination Therapies - Nurix is planning combination studies with Bexobrutideg and other therapies, including venetoclax and anti-CD20 antibodies [22][23] - The company is also exploring the potential of combining with T-cell engagers [23] Autoimmune Indications - The company is developing Bexobrutideg for autoimmune diseases, leveraging its ability to degrade BTK, which may provide advantages over traditional inhibitors [26][27] - A new formulation for Bexobrutideg is in development, with plans for IND submission in 2026 [27] Partnerships and Pipeline - Nurix has partnerships with Gilead for an IRAK4 degrader and with Sanofi for a STAT6 degrader, both of which are in various stages of development [35][36] - The IRAK4 program is in Phase 1, while the STAT6 program is in IND enabling studies [35][36] Financial Position - Nurix recently raised $250 million, bringing total cash reserves to over $650 million, providing a strong financial runway through early 2028 [41][42] Future Considerations - The company is preparing for multiple decisions regarding its partnerships and potential opt-ins based on upcoming clinical data [38][41] Conclusion - Nurix Therapeutics is strategically positioned in the biotech space with a focus on innovative therapies for CLL and autoimmune diseases, backed by a strong financial position and promising clinical data on the horizon [41][42]