Karyopharm Therapeutics (KPTI) Conference Summary Company Overview - Karyopharm Therapeutics is an innovation-driven commercial stage oncology company focusing on myelofibrosis and endometrial cancer treatments [3][4] Key Points on Myelofibrosis - The company is conducting two transformative Phase 3 studies: one for myelofibrosis and another for endometrial cancer, with top-line data expected by the end of 2025 or early 2026 [2][4] - The potential peak opportunity for myelofibrosis treatment is projected to exceed $1 billion [5] - The ongoing Phase 3 program targets JAK naive patients, with a focus on the efficacy of selinexor in combination with ruxolitinib [5][6] - Selinexor has shown promising results in heavily pretreated patients, demonstrating significant spleen volume reduction and symptom improvement [6][16] - The combination therapy has achieved a 79% SVR 35 rate compared to the 30-35% rate seen with ruxolitinib alone [16][28] - The durability of response is notable, with a 100% probability of maintaining spleen volume reduction among patients achieving SVR 35 [18] - The company emphasizes the importance of modifying the underlying disease and improving patient outcomes through innovative treatment approaches [34] Key Points on Endometrial Cancer - Karyopharm is leveraging the p53 wild type biomarker in endometrial cancer, which is present in approximately 50% of patients [38][39] - Selinexor has demonstrated a median progression-free survival (PFS) of 28.4 months in p53 wild type patients, significantly outperforming placebo [40] - The ongoing Phase 3 trial for endometrial cancer will evaluate selinexor as a monotherapy in a maintenance setting, with a planned enrollment of 276 patients [41] Additional Insights - The company has established commercialization capabilities to rapidly launch treatments upon receiving positive data [9][10] - The focus on innovative therapies aims to transform treatment standards in both myelofibrosis and endometrial cancer, enhancing patient outcomes [44] - The management team expresses confidence in the potential of selinexor to address unmet needs in oncology, particularly in challenging patient populations [11][12] Conclusion - Karyopharm Therapeutics is positioned for significant advancements in oncology with its innovative treatments for myelofibrosis and endometrial cancer, backed by promising clinical data and a strong commercialization strategy [44]

Financial Performance - Karyopharm Therapeutics reported quarterly losses of $2.77 per share, which was better than the analyst consensus estimate of losses of $4.16 per share [1] - The company reported quarterly sales of $30.02 million, missing the analyst consensus estimate of $35.24 million [1] Clinical Trial Update - The Phase 3 SENTRY trial in patients with JAKi-naïve myelofibrosis has passed its pre-specified futility analysis and continues as planned without modifications [2] - New data in hard-to-treat myelofibrosis patients showed spleen volume reduction, symptom improvement, hemoglobin stabilization, and evidence of disease modification with selinexor monotherapy [2] Sales Guidance and Market Reaction - Karyopharm affirmed FY2025 sales guidance of $140.00 million to $155.00 million, compared to market estimates of $149.32 million [3] - Following the earnings announcement, Karyopharm shares fell 15.6% to trade at $5.17 [3] Analyst Ratings and Price Targets - Baird analyst Michael Ulz maintained an Outperform rating and lowered the price target from $54 to $42 [8] - Barclays analyst Peter Lawson maintained an Overweight rating and raised the price target from $5 to $10 [8] - RBC Capital analyst Brian Abrahams maintained an Outperform rating and lowered the price target from $34 to $33 [8]

Financial Data and Key Metrics Changes - Total revenue for Q1 2025 was $30 million, down from $33.1 million in Q1 2024 [46] - U.S. XPOVIO net product revenue decreased to $21.1 million from $26 million year-over-year, attributed to a $5 million increase in product return reserves [47] - Gross to net provisions for XPOVIO were 45% in Q1 2025 compared to 29.3% in the same period in 2024 [47] - Cash, cash equivalents, and investments at the end of Q1 2025 were $70.3 million, down from $109.1 million at the end of 2024 [48] Business Line Data and Key Metrics Changes - Demand growth for Q1 was 5% year-over-year, with net product revenue impacted by atypical returns of expired products [40] - Royalty revenue increased by 57% to $1.7 million in Q1 2025 compared to Q1 2024, reflecting growing global demand for XPOVIO [42] Market Data and Key Metrics Changes - The multiple myeloma market remains highly competitive, with expectations of additional new entrants this year [41] - The company anticipates a peak revenue potential of approximately $1 billion in the U.S. for selinexor in myelofibrosis if approved [10] Company Strategy and Development Direction - The company is focused on completing enrollment in the Phase III SENTRY trial for myelofibrosis and advancing the Phase III trial in endometrial cancer [7][38] - The strategy includes leveraging a profitable commercial organization in multiple myeloma to drive rapid commercialization in new disease areas [7] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the potential of selinexor to redefine the standard of care in myelofibrosis, with encouraging clinical data supporting its efficacy [8][10] - The company is exploring various opportunities to extend its cash runway while focusing on advancing clinical trials and commercial performance [51][53] Other Important Information - The Phase III SENTRY trial successfully passed its pre-specified futility analysis, allowing the study to continue as planned [35] - The company expects to complete enrollment in the SENTRY trial by June-July 2025 [35][67] Q&A Session Summary Question: Can you talk about the futility analysis and its basis? - The futility analysis was based on efficacy and safety data from the first 61 patients, with thresholds for no worsening compared to ruxolitinib alone [55][56] Question: What are the assumptions for achieving full enrollment in June and July? - The company is currently 80% enrolled and expects to complete enrollment in the June-July timeframe, with a press release to follow [67] Question: What is driving utilization in multiple myeloma? - The company reported 5% growth in demand, with utilization driven by its flexible combination therapy positioning in both community and academic settings [82] Question: What is the normal run rate of return product? - The atypical returns of $5 million were related to high-dose products, and the company does not expect this to continue into future quarters [89] Question: How confident is the company in reaching its revenue guidance? - The company believes it can deliver at the lower end of its revenue guidance due to strong demand growth and global partner revenue [97]

Financial Data and Key Metrics Changes - Total revenue for Q1 2025 was $30 million, down from $33.1 million in Q1 2024 [44] - U.S. XPOVIO net product revenue decreased to $21.1 million from $26 million year-over-year, attributed to a $5 million increase in product return reserves [45] - Gross to net provisions for XPOVIO increased to 45% from 29.3% in the same period in 2024 [45] - Cash, cash equivalents, and investments at the end of Q1 2025 were $70.3 million, down from $109.1 million at the end of 2024 [46] Business Line Data and Key Metrics Changes - Demand growth for Q1 was 5% year-over-year, with net product revenue impacted by atypical returns of expired products [38] - Royalty revenue increased by 57% to $1.7 million in Q1 2025 compared to Q1 2024, reflecting growing global demand for XPOVIO [40] Market Data and Key Metrics Changes - The multiple myeloma market remains highly competitive, with expectations of additional new entrants this year [39] - The company anticipates a peak revenue potential of approximately $1 billion in the U.S. for selinexor in myelofibrosis if approved [8] Company Strategy and Development Direction - The company is focused on completing enrollment in the Phase III SENTRY trial for myelofibrosis and advancing the Phase III trial in endometrial cancer [5][36] - The strategy includes leveraging a profitable commercial organization in multiple myeloma to drive rapid commercialization in new disease areas [5] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the potential of selinexor to redefine the standard of care in myelofibrosis, with encouraging clinical data supporting its efficacy [6][34] - The company is exploring various opportunities to extend its cash runway while focusing on advancing clinical trials and commercial performance [49] Other Important Information - The Phase III SENTRY trial passed its pre-specified futility analysis, allowing the study to continue as planned [33] - The company expects to complete enrollment in the SENTRY trial by June-July 2025 [67] Q&A Session Summary Question: Can you talk about the futility analysis and what it was based on? - The futility analysis was based on efficacy and safety data from the first 61 patients, focusing on SVR35 and absolute TSS [53][54] Question: What are the assumptions for reaching full enrollment in June and July? - The company is currently 80% enrolled and expects to complete enrollment in the June-July timeframe, with a press release to follow [67][68] Question: What is driving utilization in multiple myeloma? - The company reported 5% growth in demand, with strong performance in both community and academic settings, leveraging its differentiated mechanism of action [82] Question: What is the normal run rate of return product? - The atypical returns of $5 million were related to high-dose products and are not expected to continue into future quarters [88][89] Question: How confident is the company in reaching its revenue guidance? - The company believes it can deliver at the lower end of its revenue guidance due to strong demand growth and global partner performance [96]