28 May 2025 | 9:26AM EDT Rocket Pharmaceuticals Inc. (RCKT): Clinical Hold on Ph. 2 DD Trial Puts Largest Late-Stage Oppy At Risk; Downgrade to Sell w/ $2 PT On Tuesday (5/27), RCKT announced that the FDA placed a clinical hold on its pivotal Ph. 2 Danon disease (DD) trial. The hold was issued on 5/23 after a patient treated in early May experienced capillary leak syndrome that emerged ~1 week after RP-A501 dosing. Although there were some early signs the condition was beginning to improve, the patient subs ...

LOS ANGELES, May 29, 2025 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Rocket Pharmaceuticals, Inc. (“Rocket” or “the Company”) (NASDAQ: RCKT) investors that the firm has initiated an investigation into possible securities fraud and may file a class action on behalf of investors. Rocket investors that lost money on their investment are encouraged to contact Lesley Portnoy, Esq. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 310-692-8883 or email: info@portnoylaw.com, to discuss ...

NEW YORK, May 28, 2025 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of  Rocket Pharmaceuticals, Inc. (“Rocket” or the “Company”) (NASDAQ: RCKT).  Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980. The investigation concerns whether Rocket and certain of its officers and/or directors have engaged in securities fraud or other unlawful business practices.  [Click here for information about joining the class action] On Ma ...

Shares of Rocket Pharmaceuticals (RCKT) plunged 62.8% on Tuesday after the company announced a patient death in a pivotal phase II study evaluating its investigational gene therapy candidate, RP-A501, for treating patients with Danon disease.The company confirmed that one of the patients in the study experienced an acute systemic infection, an unexpected serious adverse event, which resulted in his untimely death.Following the turn of events, RCKT has voluntarily paused further dosing in the study evaluatin ...

About this content About Angela Harmantas Angela Harmantas is an Editor at Proactive. She has over 15 years of experience covering the equity markets in North America, with a particular focus on junior resource stocks. Angela has reported from numerous countries around the world, including Canada, the US, Australia, Brazil, Ghana, and South Africa for leading trade publications. Previously, she worked in investor relations and led the foreign direct investment program in Canada for the Swedish government ...

纪要涉及的公司和行业 - 公司：Rocket Pharmaceuticals (RCKT)，专注于基因疗法研发 [1] - 行业：基因疗法行业 纪要提到的核心观点和论据 核心观点 1. RPA - 501 试验因严重不良事件暂停，公司正进行全面根因分析并与 FDA 积极沟通，有信心推进该项目 [4][5][7] 2. 公司优先投资 AAV 平台，对其余管线进行内部战略审查，PKP - 2 和 BAC - 3 项目进展正常，有望尽快完成 LAD 的 CRL 回复 [8] 3. 现有资源预计可支撑公司运营至 2027 年，不包括血液学产品获批后 PRV 销售的潜在收益 [9] 论据 1. **RPA - 501 试验情况** - 一名患者在 5 月初接受治疗后出现与毛细血管渗漏综合征相关的严重不良事件和临床并发症，后因全身感染去世 [4][5] - 公司主动暂停试验，FDA 于 5 月 23 日将试验置于临床搁置状态 [5] - 目前关注近期在预处理方案中引入的新型免疫抑制药物（C3 抑制剂），该药物旨在消除补体激活，但可能以意外或反常方式影响免疫反应 [4][6] - 有两名患者使用该药物后出现毛细血管渗漏综合征，第二例症状较轻，公司从第一例中吸取经验进行干预 [18] 2. **公司项目进展和资源情况** - PKP - 2 和 BAC - 3 项目不受此次临床搁置影响，进展正常 [7] - 公司预计现有资源可支撑运营至 2027 年，后续会根据情况提供项目和现金指引更新 [9] 其他重要但是可能被忽略的内容 1. **C3 抑制剂相关信息** - 引入原因是丹娜病存在补体激活情况，旨在消除 TMA 风险，且该药物当时进入市场，公司有儿科患者使用经验 [12] - 给药方式为输注前给药，输注后也有多次给药，与利妥昔单抗、西罗莫司和类固醇等标准免疫调节方案联合使用 [20] - 基于临床前数据和概念验证，在类似项目中有一定效用证据 [41] - 是一种已获许可的产品 [66] 2. **试验中其他情况** - 试验早期出现过补体激活和 TMA，与基因变异有关，公司修改方案进行基因检测以筛选患者 [27][34] - 之前出现补体激活的患者已完全康复，从安全和疗效角度看情况良好 [28][35] - 有患者等待接受 RPA - 501 输注，原计划年中完成治疗并进行项目更新 [27] 3. **未来可能的措施** - 可能修订免疫调节方案，采用更简单的方案，继续筛选有补体激活倾向的患者，更多使用已证明安全的现有补体抑制剂 [57] - 若监管机构要求，公司有大量患者可用于进一步研究 [48]

纪要涉及的公司和行业 - 公司：Rocket Pharmaceuticals（ROCCAT） - 行业：基因治疗行业，专注于治疗PKP2致心律失常性心肌病（PKP2 ACM） 纪要提到的核心观点和论据 核心观点 1. RPA - 601在PKP2 ACM的1期试验中达到安全有效剂量，将以8E13载体基因组/千克推进到下一阶段开发 [6][32] 2. RPA - 601具有治疗PKP2 ACM的潜力，可改善患者心脏功能、心律失常负担和生活质量 [29][30][31] 3. 公司计划设计下一阶段开发，包括可能的关键试验 [32] 论据 1. **剂量确定依据** - 借鉴Dannon项目和临床前小鼠数据，认为应从中E13范围开始，且治疗数月后载体拷贝数（VCNs）已达3 - 8，安全上难以更高，蛋白表达似达平台期，且已见早期疗效迹象 [36][37] 2. **安全性** - RPA - 601总体耐受性良好，多数不良事件为轻度或中度且自限性，无剂量限制性毒性 [15][29] - 一名患者出现严重不良事件（SAE），可能与免疫调节治疗有关而非AAV疗法本身，且所有SAE在两个月内迅速解决，无进一步临床表现或后遗症 [16] - Rh74在E13范围有良好安全性，且多数AAV相关SAE或AE在治疗后2 - 4个月出现，目前情况良好 [48][49] 3. **有效性** - **蛋白表达**：三名患者均显示RPA - 601有明显的心脏转导，载体拷贝数为3 - 8/二倍体核，mRNA表达在三个月时可观察到并持续至最近一次随访；PKP2表达在部分患者中增加，且相关蛋白染色面积增加，提示PKP2功能增强并能招募其他蛋白到闰盘 [16][20][21] - **临床结果**：两名随访超过六个月的患者从NYHA 2级改善到1级；KCCQ评分分别提高34和41；三名患者的心律失常负担有改善或稳定迹象，如PVC减少、NSVT消除、T波倒置导联减少等 [25][26][28] 4. **未来展望** - 借鉴Dannon项目经验，预计RPA - 601有持久疗效，因心肌细胞更新少 [42] - 下一阶段开发将聚焦与1期相似的患者群体，未来考虑拓展到更年轻患者和未植入ICD的患者 [70][71] - 可利用监管途径如加速批准，目前正在广泛收集数据以确定关键试验的主要终点 [81][83] 其他重要但是可能被忽略的内容 1. **疾病背景**：PKP2 ACM是一种遗传性常染色体显性进行性心脏病，由PKP2基因突变引起，特征为危及生命的室性心律失常、心脏结构异常和心源性猝死，影响美国和欧洲约5万名成人和儿童，目前治疗方法多为对症治疗，无法从根本上改变疾病进程 [7][8][9] 2. **试验设计**：1期临床试验评估RPA - 601在成年PKP2 ACM患者中的安全性和初步有效性，纳入标准包括年龄18岁以上、基因和临床诊断为PKP2 ACM、植入ICD至少六个月以上等，排除严重右心室功能障碍、左心室射血分数低于50%或NYHA 4级心力衰竭患者；三名患者接受单次静脉输注8E13载体基因组/千克的RPA - 601，并接受免疫调节治疗；同时开展平行自然历史研究 [14] 3. **制造与研究**：公司在新泽西的Cranberry工厂有足够产能和能力支持DAN和PKP2项目至少未来五年；正在进行前瞻性自然历史研究，与美国和欧洲不同团体合作收集数据，希望在关键试验及后续BLA途径中综合利用这些信息 [88][89][90] 4. **FDA相关**：尽管FDA有变化，但公司认为与FDA的互动和支持不会改变，因其项目针对严重疾病、有重大未满足医疗需求且无其他治疗选择，且有孤儿药指定、RMAT指定和快速通道指定等监管优势 [117][118] 5. **竞争与优势**：公司认为市场较大，可能有多个产品的空间，且从认为可能是最终剂量开始试验是优势，希望率先推出产品 [108] 6. **监测与评估**：对心律失常的监测从最初的24 - 48小时延长到最近的约一周，以更准确捕捉患者情况；基线评估在筛查过程的多个时间点进行，间隔数周，以确保获得最佳基线数据 [137][143]

Rocket Pharmaceuticals (RCKT) incurred a loss of 56 cents per share in the first quarter of 2025, narrower than the Zacks Consensus Estimate of a loss of 59 cents. The company reported a loss of 66 cents per share in the year-ago quarter.In the absence of a marketed product in its portfolio, Rocket Pharmaceuticals did not record any revenues in the reported quarter. The Zacks Consensus Estimate for the company’s total revenues was $8 million. (See the Zacks Earnings Calendar to stay ahead of market-making n ...

Exhibit 99.1 Rocket Pharmaceuticals Reports First Quarter 2025 Financial Results and Highlights Recent Progress Phase 2 pivotal study of RP-A501 for Danon disease is ongoing; Program update expected mid-year 2025 Initial data from the Phase 1 study of RP-A601 for PKP2-ACM anticipated May 2025 IND submission for BAG3-DCM program expected mid-year 2025 Sarbani Chaudhuri appointed Chief Commercial & Medical Af airs Of icer Cash, cash equivalents and investments of approximately $318.2M; expected operational ru ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to (609) 659-8001 (Registrant's telephone number, including area code) Securities registered pursuant to Section 12(b) of the Act: Commission File Numb ...