Core Insights - Arbutus Biopharma has reported that imdusiran combination therapy has functionally cured eight patients with chronic hepatitis B (cHBV), including two patients who did not receive interferon [1][2] - The company has a strong financial position with cash, cash equivalents, and marketable securities totaling $113 million as of March 31, 2025 [1][9] - Andrew J. Sung has joined Arbutus as General Counsel, bringing over $28 billion in life sciences deal experience [1][8] Clinical Developments - Imdusiran (AB-729) has shown promising results, with eight patients achieving functional cure, particularly notable as two did not receive interferon [2][6] - The oral PD-L1 inhibitor AB-101 demonstrated 100% receptor occupancy in 11 of 13 evaluable healthy volunteers during Phase 1a/1b trials, indicating its safety and tolerability [3][10] - Data presented at the EASL Congress 2025 highlighted that patients with baseline HBsAg <1000 IU/mL had a significant chance of achieving functional cure when treated with imdusiran and low-dose nivolumab [6][22] Financial Performance - For Q1 2025, total revenue was $1.8 million, an increase from $1.5 million in Q1 2024, attributed to revenue recognition from a collaboration with Qilu [10][11] - Operating expenses for Q1 2025 were $27.5 million, with research and development expenses decreasing to $9.0 million from $15.4 million in the same period last year [12][15] - The net loss for Q1 2025 was $24.5 million, compared to a net loss of $17.9 million in Q1 2024, reflecting increased restructuring costs [15][20] Corporate Updates - The company is actively involved in litigation regarding its patented LNP technology against Moderna and Pfizer/BioNTech, seeking fair compensation for their use of this technology [9][10] - Andrew J. Sung's appointment as General Counsel is expected to enhance the company's legal strategy and corporate governance [4][8] - Arbutus continues to streamline its operations, focusing on advancing clinical development while reducing workforce and operational costs [12][14]

Financial Data and Key Metrics Changes - In Q1 2025, Alnylam Pharmaceuticals reported total product revenues of $469 million, representing a 28% year-over-year growth, driven by a 36% increase in the TTR franchise revenues [8][40] - Collaboration revenue decreased by 16% to $99 million compared to the previous year, primarily due to a milestone achieved in Q1 2024 [41] - Non-GAAP operating profit for the quarter was $75 million, reflecting a $73 million improvement year-over-year [43] Business Line Data and Key Metrics Changes - The TTR franchise generated $359 million in global net revenues, a 36% increase compared to Q1 2024, with U.S. sales growing by 45% year-over-year [15][16] - The rare disease franchise, including GIVLAARI and OXLUMO, delivered $109 million in combined product sales, representing an 8% growth year-over-year [14] Market Data and Key Metrics Changes - In the U.S., the TTR franchise saw a 32% increase in demand driven by ongoing ONPATTRO patient uptake, with Ambutra capturing approximately 70% of new patient starts in Q1 2025 [16][19] - Internationally, the TTR franchise grew by 24% compared to Q1 2024, primarily due to increased demand for Ambutra [17] Company Strategy and Development Direction - Alnylam aims to become the global leader in TTR, focusing on broad access, driving awareness, and supporting treatment initiation for patients [7][10] - The company is committed to achieving sustainable non-GAAP profitability in 2025 and emphasizes a disciplined approach to capital allocation [9][11] Management's Comments on Operating Environment and Future Outlook - Management acknowledged uncertainties related to potential policy changes, including tariffs and FDA personnel reorganization, but expressed confidence in Alnylam's positioning to mitigate impacts [9][45] - The management reiterated guidance for continued growth and a strong launch in ATTR cardiomyopathy, projecting a robust 36% year-over-year growth in TTR franchise revenues [27][39] Other Important Information - Alnylam received FDA approval for Ambutra as the first and only silencer approved in the U.S. for ATTR Centimeters, with a successful launch underway [20][30] - The company is advancing its pipeline with several pivotal studies planned, including TRITON Centimeters and TRITON PN [47] Q&A Session Summary Question: Initial patients starting treatment and prescriber base - Management noted a broad uptake among both experienced and new prescribers, indicating strong early momentum in the cardiomyopathy launch [51][53] Question: Revenue benchmarks for ATTR cardiomyopathy - Management clarified that the revenue contribution from ATTR cardiomyopathy was not included in Q1 results, as the approval came late in the quarter [57][62] Question: Commercial strategies to capture market share - Management highlighted the unique mechanism of action of Ambutra and its potential as a first-line treatment, which is driving physician interest [64][66] Question: Use of Quick Start program and formulary access - Management reported limited use of the Quick Start program, with most patients paying zero copay, and confirmed no price difference between indications [70][72] Question: Impact of TrueBee on Ambutra's launch - Management indicated no headwinds from TrueBee's launch, emphasizing the growing and unsatisfied market for ATTR treatments [76][78] Question: Metrics on health systems and patient initiation - Management confirmed that over half of the 170 priority health systems have Ambutra on formulary, with many already initiating treatments [97][99]

Financial Data and Key Metrics Changes - In Q1 2025, Alnylam Pharmaceuticals reported total product revenues of $469 million, representing a 28% year-over-year growth, driven by a 36% increase in the TTR franchise revenues [6][37] - Collaboration revenue decreased by 16% to $99 million compared to the previous year, primarily due to a milestone achieved in Q1 2024 [38] - Gross margin on product sales remained at 85%, consistent with Q1 2024, but is expected to decrease for the remainder of the year due to escalating royalty rates [39][41] Business Line Data and Key Metrics Changes - The TTR franchise generated $359 million in global net revenues, a 36% increase year-over-year, with U.S. sales growing by 45% [14][15] - The rare disease franchise, including GIVLAARI and OXLUMO, delivered $109 million in combined product sales, reflecting an 8% growth year-over-year [13] - The TTR franchise's growth was primarily driven by increased demand for ONPATTRO and Ambutra, with a 32% increase in demand noted [15][16] Market Data and Key Metrics Changes - In the U.S., Ambutra captured approximately 70% of new patient starts in the first quarter of 2025, indicating strong market leadership despite new competition [18] - Internationally, the TTR franchise grew by 24% compared to the first quarter of 2024, driven by robust patient uptake [16] - The company noted that about 80% of the global addressable population remains untreated, presenting significant growth opportunities [19] Company Strategy and Development Direction - Alnylam aims to become the global leader in TTR, focusing on broad access, driving awareness, and supporting treatment initiation for patients [5][9] - The company is committed to achieving sustainable non-GAAP profitability in 2025 while continuing to advance its high-value pipeline [7][10] - Alnylam's strategy includes leveraging its innovative pipeline with multiple multibillion-dollar opportunities and maintaining strong financial performance through disciplined capital allocation [9][10] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the company's positioning despite uncertainties related to potential policy changes, tariffs, and FDA reorganizations [7][8] - The management highlighted the strong early progress in the launch of Ambutra for ATTR cardiomyopathy and reiterated guidance for continued growth [6][37] - The company remains optimistic about achieving its 2025 goals, which include expanding access to its therapies and enhancing patient outcomes [10][26] Other Important Information - Alnylam received FDA approval for Ambutra as the first and only silencer approved in the U.S. for ATTR cardiomyopathy, with positive opinions from regulatory bodies in Brazil and the EU [20][29] - The company is advancing its pipeline with new clinical programs targeting various diseases, including a Phase I study for ALN434 targeting Type 2 diabetes [34][35] Q&A Session Summary Question: What is the profile of prescribers for Ambutra? - Management noted a broad uptake among both experienced prescribers and new doctors, indicating strong initial engagement with the product [48][51] Question: How does the revenue from ATTR cardiomyopathy compare to previous products? - Management clarified that the revenue from ATTR cardiomyopathy did not contribute to Q1 results, as the approval came late in the quarter [55][60] Question: What strategies are being employed to compete with tafamidis? - Management emphasized the unique mechanism of action of Ambutra and its compelling clinical data, which positions it as a first-line treatment option [62][64] Question: What are the dynamics of reimbursement for Ambutra? - Management explained that Ambutra has a single price across indications and highlighted the effectiveness of their patient support programs in facilitating access [68][70] Question: What are the expectations for formulary inclusion? - Management aims to complete formulary inclusion for all priority health systems by year-end, with encouraging early results already seen [81][82] Question: How is the early uptake of Ambutra characterized? - Management indicated that early uptake includes both switch patients and new patients, reflecting a strong initial market response [100][102]