Financial Data and Key Metrics Changes - The net loss for the second quarter of 2025 was $25.4 million or $0.43 per share, compared to a net loss of $33.5 million or $0.58 per share in the first quarter of the same year [9][24] - As of June 30, 2025, the company had $28.7 million in cash and investments, bolstered by a registered direct offering that raised $20.6 million in net proceeds [9][10] - Total operating expenses from continuing operations for the second quarter were $32.4 million, a decrease of $2.6 million from the first quarter [26] Business Line Data and Key Metrics Changes - Research and development expenses in the second quarter were primarily focused on Zaltanopart and narsoplimab [27] - Interest expense for the second quarter was near zero, primarily due to an $8.5 million non-cash remeasurement adjustment related to the DRI Amidrea royalty obligation [27] Market Data and Key Metrics Changes - The global market for paroxysmal nocturnal hemoglobinuria (PNH) is projected to grow at 11% annually, reaching over $10 billion by February 2032 [20] - The complement inhibitor segment is expected to more than double from $2.2 billion today to $4.7 billion over the next seven years [20] Company Strategy and Development Direction - The company is focused on the anticipated approval and launch of narsoplimab, targeting the initial indication of stem cell transplant-associated thrombotic microangiopathy (TATMA) [11][12] - The company aims to leverage its experienced field marketing team and skilled sales force to drive rapid uptake of narsoplimab upon approval [18] - Discussions regarding potential asset acquisition and licensing agreements involving clinical assets are ongoing, with one transaction expected to be a multibillion-dollar deal [10][11] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the approval process for narsoplimab, with the FDA indicating that labeling discussions are planned to begin no later than October 2025 [13] - The company is optimistic about the market opportunity for narsoplimab, especially given the safety and efficacy data compared to existing treatments [14][15] Other Important Information - The company has adequate supply for narsoplimab for the first several years post-launch, ensuring no supply challenges [53] - The company is advancing its oncology platform, including IND enabling studies for its Oncotox biologics program targeting acute myeloid leukemia (AML) [23] Q&A Session Summary Question: Comparison of narsoplimab launch to Omidria - Management noted that the market for narsoplimab is significantly more focused than that for Omidria, with fewer salespeople needed due to the limited number of transplant centers [37][38] Question: Comfort level of clinicians regarding narsoplimab - Physicians are eagerly awaiting the approval of narsoplimab, viewing it as a much-needed solution for patients facing lethal complications post-transplant [44] Question: Anticipated launch timeline post-approval - If approved in December, the launch would occur in the first quarter of the following year, with substantial supply already in place [50][51] Question: FDA's request leading to PDUFA delay - The FDA requested additional analyses, which were extensive, leading to the three-month delay in the PDUFA date [58][60] Question: Potential partnerships - There is substantial interest in partnerships across the company's programs, but specific details are limited due to confidentiality requirements [61]

Financial Data and Key Metrics Changes - The company reported a net loss of $33.5 million or $0.58 per share for the first quarter of 2025, compared to a net loss of $31.4 million or $0.54 per share in the fourth quarter of the previous year [5][18] - As of March 31, 2025, the company had $52.4 million in cash and investments on hand [18] - The company entered into an exchange agreement to convert approximately $71 million of 2026 convertible notes into new 9.5% convertible senior notes due in 2029, significantly improving financial flexibility [5][19] Business Line Data and Key Metrics Changes - Research and development expenses in the first quarter were primarily focused on narsoplimab and zaltanibart [20] - OMIDRIA royalties for the first quarter totaled $6.7 million based on net sales of $22.3 million, a decrease from $10.1 million in royalties on net sales of $33.6 million in the previous quarter [22][23] Market Data and Key Metrics Changes - The market opportunity for narsoplimab is estimated at nearly $1 billion annually, with expectations for it to become a cornerstone asset for transplant experts [11] - The global market for paroxysmal nocturnal hemoglobinuria (PNH) is projected to grow to over $10 billion by 2032, with significant unmet needs in the complement inhibitor market [12] Company Strategy and Development Direction - The company is focused on the anticipated approval and launch of narsoplimab for the treatment of TATMA, with a target FDA action date of September 25 [8] - The company is also developing zaltanibart for PNH, with ongoing clinical trials and a temporary pause on the phase three program due to capital considerations [12][14] Management's Comments on Operating Environment and Future Outlook - Management emphasized the importance of managing costs and maintaining liquidity while advancing key initiatives [7] - The company is actively pursuing partnerships for non-dilutive funding to support operations and the launch of narsoplimab [6] Other Important Information - The FDA has accepted the resubmitted BLA for narsoplimab, and the company is preparing for a successful launch [8] - The company is suspending its expanded access program for narsoplimab to focus resources on the successful launch [9][10] Q&A Session Summary Question: Can you provide details on launch plans and patient access? - Management expressed confidence in the launch preparations, highlighting engagement with key transplant centers and payers [29][31][34] Question: Can you detail the patient demographics and associated costs? - Management explained that TATMA is a complication of stem cell transplants that can arise unpredictably, leading to significant healthcare costs [41][42] - The economic value of narsoplimab was discussed, emphasizing its potential to reduce costs associated with untreated patients [44][45]

Financial Data and Key Metrics Changes - The company reported a net loss of $33.5 million or $0.58 per share for the first quarter of 2025, compared to a net loss of $31.4 million or $0.54 per share in the fourth quarter of the previous year [5][18] - As of March 31, 2025, the company had $52.5 million in cash and investments on hand [5][18] - The company has reduced its total debt by $10 million and lowered near-term repayment obligations from approximately $118 million to $17 million [6][19] Business Line Data and Key Metrics Changes - Research and development expenses in the first quarter were heavily focused on narsoplimab and zaltanibart [20] - OMIDRIA royalties for the first quarter totaled $6.7 million based on net sales of $22.3 million, a decrease from $10.1 million in royalties on net sales of $33.6 million in the previous quarter [22][23] Market Data and Key Metrics Changes - The market opportunity for narsoplimab is estimated at nearly $1 billion annually, with expectations for it to become a cornerstone asset for transplant experts [11] - The global market for paroxysmal nocturnal hemoglobinuria (PNH) is projected to grow about 11% annually to over $10 billion by 2032 [12] Company Strategy and Development Direction - The company is focused on the anticipated approval and launch of narsoplimab for the treatment of TATMA, with a target FDA action date of September 25 [8] - The company is also working on a marketing authorization application for narsoplimab in Europe, targeting completion later this quarter [9] - Development spending on other programs, including the long-acting MASP-two inhibitor OMS1029, remains limited as the company prioritizes core development initiatives [12][16] Management's Comments on Operating Environment and Future Outlook - Management emphasized the importance of maintaining financial flexibility and managing costs while advancing key initiatives [7] - The company is actively pursuing partnerships for non-dilutive funding to support operations [6] - Management expressed confidence in the successful launch of narsoplimab, highlighting the compelling data and the unique market position of the product [36] Other Important Information - The company has suspended its expanded access program for narsoplimab to prioritize resources for the anticipated launch [9][10] - The company is committed to supporting patients currently treated under the EAP despite the program's discontinuation [10] Q&A Session Summary Question: Can you provide details on launch plans and patient access? - Management indicated they are well-prepared for the launch, focusing on key transplant centers and engaging with payers for product information exchanges [31][34] Question: Can you elaborate on the patients affected by TATMA and the associated costs? - Management explained that TATMA is a complication of stem cell transplants that can arise unpredictably, leading to significant healthcare costs due to the severity of the condition [42][44]

Financial Data and Key Metrics Changes - The company reported a net loss of $33.5 million or $0.58 per share for the first quarter of 2025, compared to a net loss of $31.4 million or $0.54 per share in the fourth quarter of the previous year [5][19] - As of March 31, 2025, the company had $52.5 million in cash and investments on hand [5][19] - The company has reduced its total outstanding debt by $10 million and lowered its near-term repayment obligations from approximately $118 million to $17 million [6][20] Business Line Data and Key Metrics Changes - Research and development expenses in the first quarter were heavily focused on narsoplimab and zaltanibart [21] - OMIDRIA royalties for the first quarter totaled $6.7 million based on net sales of $22.3 million, a decrease from $10.1 million in royalties on net sales of $33.6 million in the previous quarter [23][24] Market Data and Key Metrics Changes - The market opportunity for narsoplimab is estimated at nearly $1 billion annually, with expectations for it to become a cornerstone asset for transplant experts [12] - The global market for paroxysmal nocturnal hemoglobinuria (PNH) is projected to grow about 11% annually to over $10 billion by 2032 [13] Company Strategy and Development Direction - The company is focused on the successful launch of narsoplimab for the treatment of TATMA, following the anticipated FDA approval [8][9] - The company is also developing zaltanibart, targeting PNH, while managing costs and pausing certain programs to prioritize resources [14][16] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the upcoming launch of narsoplimab, highlighting the preparation and engagement with key transplant centers and payers [35][36] - The company is committed to managing cash and liquidity effectively to support operations and capitalize on growth opportunities [7][49] Other Important Information - The FDA has accepted the resubmitted BLA for narsoplimab, with a target action date of September 25 [9] - The company is also working on a marketing authorization application for narsoplimab in Europe, targeting submission later this quarter [10] Q&A Session Summary Question: Can you provide details on launch plans and patient access? - Management indicated that the commercial team is well-prepared for the launch, focusing on key transplant centers and engaging with payers for product information exchanges [30][31][35] Question: Can you elaborate on the patients affected by TATMA and associated costs? - Management explained that TATMA is a complication of stem cell transplants that can arise unpredictably, leading to significant healthcare costs due to the severity of the condition [38][44] - The economic value of narsoplimab is highlighted by its potential to reduce costs associated with untreated patients, emphasizing outpatient treatment benefits [46][47]

Core Viewpoint - Omeros Corporation has established the Omeros Oncology Clinical Steering Committee to advance its OncotoX biologics program targeting acute myeloid leukemia (AML), which is a highly fatal form of leukemia accounting for about 80% of acute leukemias in adults and one-third of all blood/bone marrow cancers [1][4]. Group 1: OncotoX Program Development - The OncotoX program consists of proprietary targeted, engineered molecules that deliver a toxic payload directly into cancer cells, effectively killing them [2]. - The steering committee will aid in developing the OncotoX-AML program, designing clinical trials, and interacting with institutional review boards [3]. Group 2: Efficacy and Safety - In vivo and ex vivo studies indicate that OncotoX-AML is highly effective at low doses, providing significant survival benefits compared to existing therapies like AbbVie’s Venclexta and Bristol Myers Squibb’s Vidaza [4]. - OncotoX-AML targets both AML blasts and leukemia stem cells (LSCs), which are often resistant to chemotherapy, thus addressing potential relapse [5]. - Preliminary studies show that OncotoX is well tolerated at doses significantly higher than effective doses without causing neutropenia or major changes in blood chemistry [5]. Group 3: Market Potential and Analyst Insights - Omeros is initiating IND-enabling work for OncotoX-AML, which is crucial given the limited therapeutic options for AML, especially for elderly patients or those with high-risk mutations [6]. - Analyst Jason Kolbert maintains a Buy rating on Omeros with a price target of $36, highlighting the potential of OncotoX-AML to fill gaps in AML treatment [7]. - The company plans to submit a European marketing authorization application for its lead therapy, narsoplimab, in the first half of 2025 [8].