智通财经APP获悉，美国制药公司百时美施贵宝(BMY.US)已同意以15亿美元现金收购生物技术公司 Orbital Therapeutics。该交易有望加强百时美施贵宝的细胞治疗产品组合。 据悉，Orbital正在开发新一代RNA药物，旨在在体内重新编程细胞，从源头治疗疾病。其领先的RNA 免疫疗法临床前候选药物OTX-201，通过清除B细胞以重置免疫系统，用于治疗自身免疫性疾病。除 OTX-201外，此次交易还涵盖了Orbital的专有RNA平台。该平台整合了环状与线性RNA工程技术、先进 的脂质纳米颗粒递送系统(LNP)，以及人工智能驱动的药物设计，以实现持久、可编程的RNA疗法，并 针对广泛疾病的不同生物学特征进行定制。 百时美施贵宝细胞治疗事业部总裁Lynelle B. Hoch表示："通过收购Orbital及其下一代RNA平台，我们获 得了一个令人振奋的机会，可以让CAR-T细胞疗法更加高效，并惠及更多患者。" ...

Core Insights - The article discusses the potential of circular RNA (circRNA) as a next-generation RNA therapy platform, highlighting its advantages over traditional mRNA therapies, particularly in stability, immunogenicity, and safety [2][4]. Group 1: CircRNA Advantages - CircRNA exhibits superior stability, immunogenicity, and safety compared to chemically modified mRNA and viral vector-based therapies [2]. - CircRNA can utilize internal ribosome entry site (IRES) sequences, eliminating the need for expensive 5' cap modifications and resulting in lower immunogenicity without chemical modifications [2]. Group 2: Research Findings - A study published in Nature Communications demonstrates that circRNA-based protein replacement therapy can alleviate osteoarthritis in male mice [3][4]. - Osteoarthritis (OA) is characterized by cartilage degradation and bone spur formation, with recent research indicating that the expression of Na v 1.7 in chondrocytes leads to cartilage degeneration and pain [6]. Group 3: Mechanism and Treatment Strategy - The study identifies that the downregulation of the RNA-binding protein Musashi2 (MSI2) in chondrocytes is a key factor in the pathogenesis of osteoarthritis [7]. - A local delivery strategy was developed to achieve high and sustained protein expression in chondrocytes, demonstrating that injecting ivcRNA encoding MSI2 effectively slows the progression of osteoarthritis in a mouse model [7][9].

Group 1 - The core viewpoint of the article is that Bank of America has upgraded Avidity Biosciences Inc. to a "buy" rating and raised the target price from $56 to $65, indicating a potential upside of 45% based on the company's latest closing price [1] - The recent pullback in Avidity Biosciences' stock price presents a significant buying opportunity for investors, as the stock ended a four-day decline with a 9.02% increase following the rating and target price adjustment [1] - The rating and target price adjustment are attributed to Avidity Biosciences' announcement of a proposed $500 million stock offering, which will fund three late-stage clinical trials, prepare commercial inventory for planned product launches, and expand its commercial operations and antibody-oligonucleotide conjugate (AOC) technology platform [1] Group 2 - Avidity Biosciences is a biopharmaceutical company focused on the development of AOCs, primarily targeting rare diseases and muscle disorders through RNA therapies [1] - The company currently has three AOC pipelines in clinical stages, mainly addressing genetic muscle diseases such as muscular dystrophy and Duchenne muscular dystrophy (DMD) [1] - Avidity Biosciences has granted underwriters an overallotment option to sell additional shares worth up to $75 million within 30 days of the offering date [1]

Summary of Avidity Biosciences Update / Briefing (September 10, 2025) Company Overview - **Company**: Avidity Biosciences (NasdaqGM:RNA) - **Focus**: Development of RNA therapeutics, particularly for neuromuscular diseases such as Duchenne Muscular Dystrophy (DMD), Facioscapulohumeral Muscular Dystrophy (FSHD), and Myotonic Dystrophy [2][3] Key Points and Arguments Industry and Product Development - Avidity is preparing to launch three drugs in the neuromuscular space: DELBRAX for FSHD, Aldosterone for Myotonic Dystrophy, and Delzota for DMD [3][4] - The company aims to be the first to receive global approval for treatments targeting these rare diseases [4] DMD Focus - DMD is a severe condition affecting young boys, leading to loss of mobility and reduced life expectancy [5] - Approximately 900 boys in the US and Europe are amenable to exon 44 skipping treatment [5] Clinical Data and Efficacy - The EXPLORER 44 study showed unprecedented functional improvements in patients treated with Delzota, with significant reductions in creatinine kinase (CK) levels, indicating muscle health [6][22] - At the one-year mark, about 50% of participants had CK levels within the normal range, demonstrating long-term muscle protection [22][70] - Delzota treatment resulted in a 25% increase in dystrophin levels, approaching levels associated with a normal phenotype [18][21] Functional Improvements - Delzota-treated patients showed significant improvements in functional endpoints compared to matched natural history controls, with absolute improvements of over two seconds in various mobility tests [26][30] - The improvements are unprecedented in the context of DMD treatment, indicating a potential reversal of disease progression [34] Safety Profile - The safety profile of Delzota remains favorable, with most adverse events being mild or moderate [15][16] - Only one serious adverse event was deemed related to the treatment, highlighting the overall tolerability of the drug [16] Regulatory and Commercial Strategy - Avidity plans to submit its first Biologics License Application (BLA) by the end of 2025, with subsequent submissions for the other two drugs within a year [8][45] - The company is building a commercial infrastructure that leverages synergies across its product launches in the same therapeutic area [46][47] Future Outlook - Avidity anticipates continued functional improvements as long-term muscle protection is maintained [41] - The company is also exploring platform designation for future exon-skipping therapies, which could expedite development timelines [66] Additional Important Information - The company emphasizes the importance of delivering RNA therapeutics effectively to achieve significant clinical outcomes [40][73] - Avidity is committed to redefining possibilities for boys and young men living with DMD, aiming for a future where they can engage in normal activities [36][37] This summary encapsulates the critical insights from the Avidity Biosciences briefing, highlighting the company's innovative approach to treating neuromuscular diseases and the promising data supporting its lead product, Delzota.

Financial Data and Key Metrics Changes - The company has progressed significantly since its IPO five years ago, moving from no programs in the clinic to three late-stage development programs [3] - The company is on track to file three Biologics License Applications (BLAs) within a 12-month period, starting with the DMD Delzeta program for accelerated approval in the U.S. [4] Business Line Data and Key Metrics Changes - The Delzeta program for DMD has shown a 25% increase in dystrophin levels, rising from a baseline of 7% to 32%, and a decrease in creatine kinase (CK) to near-normal levels [11][12] - The company plans to present functional data for Delzeta ahead of schedule, indicating strong progress in its clinical trials [16] Market Data and Key Metrics Changes - There are approximately 900 boys and young men in the U.S. diagnosed with DMD exon 44, with about 50% of them treated at the same 40 centers of excellence [33] - The company anticipates being the first and best therapy available for DMD patients, leveraging its established patient services and field force [34] Company Strategy and Development Direction - The company is focused on building a foundational commercial infrastructure that can be leveraged across all three drug opportunities [10] - The strategy includes exploring partnerships and M&A opportunities as the company approaches the commercial phase with potential blockbuster drugs [7][9] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in executing the upcoming approvals and launches, emphasizing the importance of maintaining focus on their current programs [9] - The company is optimistic about the regulatory landscape, having aligned with the FDA on the requirements for accelerated approval based on dystrophin and CK data [24][26] Other Important Information - The company has initiated a biomarker study for the Delbrax program, which is expected to provide critical data for the accelerated approval pathway [40] - The company is actively working to ensure global trial enrollment for its FSHD program, indicating strong community interest and support [47] Q&A Session Summary Question: What drove the decision to report the data ahead of schedule? - The company aims to exceed expectations and found that the data was ready sooner than anticipated [16] Question: Can you give us a sense of patient number, follow-up time, and functional endpoints? - The upcoming data will involve 17 patients from the Explore 44 trial, with a focus on various functional measures [18][19] Question: Could you talk about the market opportunity for exon 44 and your go-to-market strategy? - The company sees a significant opportunity in the DMD market, with a well-established infrastructure to support patient access [33] Question: Will there be a pre-BLA meeting, and what will be the focus? - A pre-BLA meeting is planned to ensure the submission package meets FDA expectations [43] Question: What is the expectation for the primary endpoint in the Harbor study? - The company is confident in meeting the primary endpoint and is focused on a comprehensive data package for regulatory approval [52]

Summary of AVIDITY Biosciences Conference Call Company Overview - **Company**: AVIDITY Biosciences - **Focus**: Development of RNA therapeutics targeting muscle diseases, with three late-stage programs: Dalzosia (DMD), Delbrex (FSHD), and Daldistarone (myotonic dystrophy) [4][5][10] Core Points and Arguments Vision and Strategy - AVIDITY aims to revolutionize the RNA space and significantly impact patients' lives, with a focus on muscle diseases [3][4] - The company is on track to file its first Biologics License Application (BLA) for Dalzosia by the end of the year [4][17] Drug Development Progress - **Dalzosia**: Targeting boys and young men with DMD amenable to exon 44 skipping; enrollment completed, with data readout expected in Q2 next year [4][12] - **Delbrex**: For FSHD, with alignment on primary endpoint for accelerated approval; data readout also expected in Q2 next year [4][12][54] - **Daldistarone**: For myotonic dystrophy, with a focus on significant unmet medical needs [4][48] Delivery Mechanism - AVIDITY's platform allows for high delivery of RNA therapeutics to muscle tissue, achieving 3-5 times higher delivery compared to other methods [7][8][40] - The use of antibody oligonucleotide conjugates (AOCs) targets the transferrin receptor, enhancing muscle delivery [6][7] Market Potential and Commercialization - Anticipated rapid uptake for Dalzosia, with approximately 900 boys and young men in the US eligible for treatment [27] - The company has established a commercial infrastructure, including patient services and payer engagement teams, to support drug launches [22][49] Regulatory Environment - Positive interactions with the FDA, with no significant impact from leadership changes; the same division reviews all three programs, ensuring consistency [20][21] - Plans for BLA submissions for FSHD and myotonic dystrophy in the second half of next year [57] Additional Important Insights - The company is preparing for potential acquisition interest due to the value of its upcoming drug launches, with two drugs expected to be multi-billion dollar opportunities [10][11] - The myotonic dystrophy patient population is estimated at 40,000 in the US, with around 10,000 already diagnosed, indicating a significant market opportunity [45][46] - AVIDITY has secured a global commercial supply agreement with Lonza for manufacturing, ensuring readiness for market demand [49] Conclusion AVIDITY Biosciences is positioned for significant growth with its innovative RNA therapeutics targeting high-need muscle diseases. The company is on track for multiple drug launches, backed by a strong regulatory strategy and a well-prepared commercial infrastructure.

Group 1 - The report highlights the rapid development in the gene, cell, and RNA therapy sectors, with three new therapies approved in Q2 2025, including FDA-approved Zevaskyn and mNexspike, and China's first hemophilia B gene therapy BBM-H901 [3][8] - A total of 4,469 therapies are in various stages of development globally, with gene therapies accounting for 49% (2,210 therapies), RNA therapies for 29% (1,297 therapies), and cell therapies for 22% (962 therapies) [9][10] - The report notes that tumor and rare diseases remain the primary focus of research and development, with gene editing and delivery technologies driving innovation [3][10] Group 2 - The report indicates a significant increase in mergers and acquisitions within the industry, with 12 deals completed in the quarter totaling over $6 billion, reflecting a trend of large pharmaceutical companies consolidating their positions [10][11] - The financing environment for startups has tightened, with only three financing rounds completed totaling $197 million, a 35% decrease from the previous quarter, indicating a more cautious approach from investors [10][11] - Key catalysts to watch for in Q3 2025 include regulatory decisions on over ten gene and cell therapies, which are expected to shape the industry's future landscape [11][14] Group 3 - The report emphasizes the importance of technological advancements in gene editing and delivery systems, with notable acquisitions such as AbbVie’s $2.1 billion purchase of Capstan Therapeutics, highlighting the commercial potential of these innovations [10][11] - The report also discusses the increasing focus on RNA therapies in oncology, with 26% of new RNA trials initiated in Q2 2025 targeting tumor indications, a significant rise from the previous quarter [9][10] - The report outlines the strategic initiatives by the Chinese government to enhance the biopharmaceutical sector, including the establishment of a national biopharmaceutical technology innovation center and support for decentralized clinical trials [29][30]

Core Viewpoint - Avidity Biosciences is experiencing significant market interest due to potential acquisition talks with Novartis, leading to a notable increase in its stock price by 26% [3][4]. Group 1: Company Overview - Avidity Biosciences focuses on developing Antibody Oligonucleotide Conjugates (AOCs) for rare diseases, with a current market capitalization of $5.8 billion [4]. - The company has a strong cash position of approximately $1.4 billion, providing funding into mid-2027 [7]. - Avidity is advancing three AOCs in clinical development, targeting Duchenne Muscular Dystrophy (DMD), Myotonic Dystrophy Type 1 (DM1), and Facioscapulohumeral Muscular Dystrophy (FSHD) [26][39]. Group 2: Clinical Development and Pipeline - Avidity's lead therapy, del-zota, for DMD has received breakthrough therapy designation from the FDA and is expected to submit a Biologics License Application (BLA) by the end of 2025 [5][7]. - The company is preparing for three planned BLA submissions within 12 months, with ongoing registrational trials [7]. - Avidity's AOC platform has successfully delivered RNA to muscle tissue, marking a significant advancement in RNA therapy [7][39]. Group 3: Recent Developments and Collaborations - Avidity recently entered a collaboration with Bristol Myers Squibb (BMS) for the development of up to five cardiovascular targets, with potential payments totaling $2.3 billion [18][19]. - The collaboration includes an upfront payment of $100 million and milestone payments based on development progress [19]. - Avidity's stock surged by 40% following the announcement of this partnership, reflecting strong market confidence in its pipeline and strategic direction [18][19].

Summary of Avidity Biosciences Conference Call Company and Industry Overview - **Company**: Avidity Biosciences - **Industry**: RNA therapeutics, specifically targeting Facioscapulohumeral Muscular Dystrophy (FSHD) Key Points and Arguments 1. **FDA Confirmation**: Avidity has received confirmation from the FDA regarding the accelerated approval pathway for their DELBRAX program targeting FSHD, which is significant for the FSHD community [5][6][68] 2. **Clinical Study Updates**: The company is presenting twelve-month top-line data from the FORTITUDE study and has initiated a global confirmatory Phase III study named FORWARD [6][8][68] 3. **Primary Endpoint**: The primary endpoint for the FORTITUDE biomarker study is the reduction of circulating biomarkers, specifically CDAS [5][6][68] 4. **Patient Impact**: The presentation highlighted the profound impact of FSHD on patients' lives, emphasizing the urgency of developing effective treatments [4][70] 5. **Study Design**: The FORTITUDE study is a double-blind, placebo-controlled trial with a one-year duration, focusing on safety and pharmacokinetics, while the FORWARD study will last eighteen months [10][58][62] 6. **Safety Profile**: DELBRAX has shown a favorable long-term safety profile, with no serious adverse events related to the study drug reported [13][14] 7. **Biomarker Significance**: The circulating biomarker CDUX is significantly elevated in FSHD patients and is linked to disease progression. DELBRAX treatment led to rapid reductions in CDUX levels [42][43][55] 8. **Patient Reported Outcomes**: Improvements in strength, mobility, and quality of life were reported by patients treated with DELBRAX, indicating its potential effectiveness [38][39][55] 9. **Regulatory Pathway**: The FDA has provided written confirmation that an accelerated approval path is open, with CDUX as the primary endpoint for the FORTITUDE biomarker cohort [56][68] 10. **Commercial Strategy**: Avidity is building its commercial organization in preparation for three successive product launches in the same therapeutic area, which is expected to enhance operational efficiency [85][86] Additional Important Content - **Patient Testimonials**: Personal stories from patients highlighted the importance of preserving function and improving quality of life, showcasing the emotional and physical benefits of the treatment [39][70] - **Future Directions**: The company plans to leverage the insights gained from the ongoing studies to refine their approach and ensure robust data for regulatory submissions [60][66][92] - **Community Engagement**: Avidity emphasizes the importance of engaging with the FSHD community and addressing their needs through effective treatment options [70][94] This summary encapsulates the critical updates and insights shared during the conference call, focusing on the advancements in Avidity Biosciences' DELBRAX program and its implications for patients with FSHD.