Raman Ashutosh P, Kotlarz Parker L, Giff Alexis E, Goundry Katherine A, Laeseke Paul, Koepsel Erica M Knavel, Alhamami Mosa, Daye Dania
Harvard Medical School, Boston, MA 02115, USA.
Harvard-MIT Division of Health Sciences and Technology, Boston, MA 02115, USA.
Cancers (Basel). 2025 Aug 1;17(15):2548. doi: 10.3390/cancers17152548.
Histotripsy is a novel, noninvasive, non-thermal technology invented in 2004 for the precise destruction of biologic tissue. It offers a powerful alternative to more conventional thermal or surgical interventions. Using short-pulse, low-duty cycle ultrasonic waves, histotripsy creates cavitation bubble clouds that selectively and precisely destroy targeted tissue in a predefined volume while sparing critical structures like bile ducts, ureters, and blood vessels. Such precision is of value when treating tumors near vital structures. The FDA has cleared histotripsy for the treatment of all liver tumors. Major medical centers are currently spearheading clinical trials, and some institutions have already integrated the technology into patient care. Histotripsy is now being studied for a host of other cancers, including primary kidney and pancreatic tumors. Preclinical murine and porcine models have already revealed promising outcomes. One of histotripsy's primary advantages is its non-thermal mechanical actuation. This feature allows it to circumvent the limitations of heat-based techniques, including the heat sink effect and unpredictable treatment margins near sensitive tissues. In addition to its non-invasive ablative capacities, it is being preliminarily explored for its potential to induce immunomodulation and promote abscopal inhibition of distant, untreated tumors through CD8+ T cell responses. Thus, it may provide a multilayered therapeutic effect in the treatment of cancer. Histotripsy has the potential to improve precision and outcomes across a multitude of specialties, from oncology to cardiovascular medicine. Continued trials are crucial to further expand its applications and validate its long-term efficacy. Due to the speed of recent developments, the goal of this review is to provide a comprehensive and updated overview of histotripsy. It will explore its physics-based mechanisms, differentiating it from similar technologies, discuss its clinical applications, and examine its advantages, limitations, and future.
组织粉碎术是2004年发明的一种新型非侵入性非热技术,用于精确破坏生物组织。它为更传统的热干预或手术干预提供了一种有力的替代方法。组织粉碎术利用短脉冲、低占空比的超声波产生空化气泡云,这些气泡云能在预定义的体积内选择性且精确地破坏目标组织,同时使胆管、输尿管和血管等关键结构免受损伤。在治疗重要结构附近的肿瘤时,这种精确性很有价值。美国食品药品监督管理局(FDA)已批准组织粉碎术用于治疗所有肝脏肿瘤。主要医疗中心目前正在率先开展临床试验,一些机构已经将该技术应用于患者护理。目前正在对组织粉碎术进行一系列其他癌症的研究,包括原发性肾癌和胰腺癌。临床前的小鼠和猪模型已经显示出有前景的结果。组织粉碎术的主要优势之一是其非热机械驱动。这一特性使其能够规避基于热的技术的局限性,包括热沉效应以及敏感组织附近不可预测的治疗边界。除了其非侵入性消融能力外,人们还在初步探索它通过CD8 + T细胞反应诱导免疫调节和促进远处未治疗肿瘤的远隔效应抑制的潜力。因此,它可能在癌症治疗中提供多层次的治疗效果。组织粉碎术有潜力提高从肿瘤学到心血管医学等众多专业领域的治疗精度和治疗效果。持续的试验对于进一步扩大其应用范围并验证其长期疗效至关重要。鉴于近期发展的速度,本综述的目的是提供关于组织粉碎术的全面且最新的概述。它将探讨其基于物理的机制,将其与类似技术区分开来,讨论其临床应用,并审视其优势、局限性和未来发展。
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