融资近8亿!Cleerly产品获FDA认证,面向数亿心血管疾病患者

近日,AI心血管影像公司Cleerly宣布成功完成1.06亿美元(约8亿元人民币)C轮融资。本轮融资由InsightPartners领投,BatteryVentures和现有投资者跟投。本轮融资将继续加速Cleerly商业化和临床研究。

在人口不断增长、人口老龄化加速的背景下,心血管疾病近几十年来发病率持续上升,已成为全球首要死因。根据世界心脏病联盟(WHF)的统计数据,1990年时,心血管疾病死亡人数为1210万。到2021年,死于心血管疾病的人数已达2050万人,这一数字接近全球死亡总人数的三分之一。

然而,一些心血管疾病患者甚至不会有明显的症状。这部分患者可能胆固醇指标正常,也无呼吸急促或胸痛等症状,在身体里各种“潜伏”。但如果不及时进行监测和干预,部分疾病可能会恶化为严重的心脏问题,进而危害健康。

Cleerly于2017年在美国成立,专注开发基于人工智能和影像分析的心血管疾病诊断技术,目前已获得多轮融资:

(公开资料,动脉网制图)

自2017年成立以来,Cleerly就致力于将人工智能与高精度医学影像结合,开发一种全新的心脏病早期筛查和诊断系统。公司最初专注于利用CT(计算机断层扫描)成像技术,结合AI算法,分析冠状动脉健康状况,从而更好地识别和诊断心脏病。

公司创始团队拥有扎实的医疗背景,曾任职于哈佛医学院、华盛顿特区乔治华盛顿大学(GWU)医院等著名医学院。创始人兼首席执行官JamesK.Min博士专注于心血管疾病预防和心血管成像,曾任威尔康奈尔医学院放射学和医学教授,以及纽约长老会医院达利欧心血管成像研究所(ICI)主任。

当前,心血管诊断方式主要包括心电图、超声心动图、冠状动脉CT检查、冠状动脉造影、心肌酶检查和核素检查。

其中,冠状动脉造影是冠心病诊断的金标准。它需要将造影剂打进血管,让冠状动脉显影。但这个检查过程是一种有创操作,可能在手术过程中会对血管壁造成机械损伤;且造影剂还会对患者肝肾功能造成损伤。

随着技术的不断完善,Cleerly基于AI驱动的成像技术为心血管诊疗提供了新方法,成功研发出两款创新产品。第一款是CAD分期系统,已获得FDA的突破性设备认定;第二款是CleerlyISCHEMIA机器算法软件,已获得FDA510(k)批准。

CAD分期系统,是一款基于无创成像的研究性软件设备,可分析冠状动脉粥样硬化、狭窄和缺血的重要和可操作特征,能够通过分析非侵入性图像来精确识别心脏病,就像结肠镜检查那样,提供结肠癌的早期检测。

第二款产品是ISCHEMIA分析软件,它是一种基于机器算法的自动化决策支持工具,该软件凭借其强大的AI功能,可根据患者CCTA图像中动脉粥样硬化、狭窄和显著血管形态的定量测量结果,确定冠状动脉缺血的可能性。

斑块类型关系到心脏病的发作风险,并可作为判定心脏病突发可能性的直接依据。借助ISCHEMIA算法技术,可以为患者生成冠状动脉的3D模型,进而精确地识别管腔和血管壁结构。此外,该算法还可以对心脏每条动脉中的斑块堆积进行全面量化和定性,并自动评估冠状动脉CT扫描中的狭窄严重程度。

这样一来,患者和医生可以清楚知道有多少斑块,是哪种类型的斑块,从而让医生更好判断患者是否存在心脏病风险。这一技术,既增强了检查报告的全面性,也为医生提供更加个性化的风险评估。

Cleerly产品已有安全可靠的临床效果。一项针对Cleerly无创CT扫描AI的研究显示,使用Cleerly产品,可以清楚地发现心脏病的迹象,其效果可以媲美当前拥有“金标准”的侵入性冠状动脉造影。其次,并发症风险更低1。使用Cleerly产品,很大程度可以避免侵入性手段可能造成的导管动脉损伤、过敏、肾损伤、心脏病发作和中风等风险。

人工智能正在从根本上改变着人类生活的各个方面。

我国心血管疾病患者数量庞大。据国家心血管病中心2023年发布的《中国心血管健康与疾病报告》数据,我国心血管病现患人数3.3亿。随着人口老龄化加速,未来我国心血管病发病率和死亡率可能还会升高。

AI技术作为辅助手段,为患者、医生提供安全、高效的诊疗模式,未来将有广阔的前景。目前,数坤科技、凯沃尔电子、睿心智能等企业在“AI+心血管影像”赛道上加大投入。

我们期待更多的医疗企业不断提高创新能力,努力突破技术壁垒,深化人工智能技术和心血管领域的融合度,这对提升心血管病患者的生活品质有重要意义。

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