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锚定肠易激与化疗腹泻两大刚需 知易生物冲刺活体生物药“无人区”

孟祥娜 2026-07-06 13:49
孟祥娜 2026/07/06 13:49

邦小白快读

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本文核心介绍了国内活体生物药领先企业知易生物赴港上市冲刺的行业背景与企业现状,核心干货如下:

1. 知易生物核心布局填补两大临床刚需空白,核心管线SK08是全球临床后期唯一针对腹泻型肠易激综合征的口服单菌株活体生物药,另一管线SK10瞄准化疗相关性腹泻这一无药可用的领域,同时布局高端益生菌原料,形成新药+消费原料双业务模式。

2. 行业现状上,目前国内二代活体生物药尚无产品落地,属于前沿空白赛道,企业目前虽然管线进度领先,但仍未实现商业化,持续烧钱亏损,80%融资已经耗尽,本次赴港上市募资主要用于后续研发和产能建设。

3. 行业整体存在监管规则不完善、生产难度高、商业化不确定等风险,最终能否成功上市并完成产品落地仍待观察。

本文为布局微生态医药、健康领域的品牌商提供了赛道趋势、布局方向和风险提示,核心内容如下:

1. 需求趋势方面,当前消化慢病与肿瘤支持治疗需求持续扩容,多个细分领域存在巨大未满足需求:国内腹泻型肠易激综合征无专门获批药物,化疗相关性腹泻、儿童轮状病毒腹泻均无有效治疗药物,赛道空白多,增长空间大。

2. 布局参考:知易生物的创新活菌药物+高端微生态原料双轮架构值得借鉴,既布局高壁垒的创新药管线抢占先发优势,也通过对外销售高端益生菌原料获取早期现金流,降低企业经营风险。

3. 风险提示:活体生物药监管规则尚未完善,生产对工艺要求极高,全新品类的市场教育周期长,品牌需要提前做好长期资金投入和产能规划,应对各类不确定性。

本文披露了活体生物药与微生态领域的增长机会与潜在风险,对布局该领域的从业者有较高参考价值,核心内容如下:

1. 市场机会方面,目前国内二代活体生物药没有产品落地,腹泻型肠易激综合征、化疗相关性腹泻、儿童轮状病毒腹泻多个细分领域存在未满足的临床需求,赛道空白多,先发企业优势明显,高端益生菌原料也有稳定的市场需求,可以作为早期现金流补充。

2. 风险提示:该赛道研发周期极长,核心管线从研发到上市需要近十年时间,资金投入量大,目前监管规则不完善,没有成熟的审评先例,容易出现研发延期、成本超支问题。

3. 额外提示:活菌药物生产对工艺要求极高,商业化阶段缺乏成熟的市场认知,销售体系搭建难度大,进入该领域需要提前规划好资金、产能和市场布局。

本文为布局生物医药活菌生产领域的工厂提供了赛道需求、商业机会和发展方向参考,核心内容如下:

1. 产品生产需求方面,活菌药物和微生态原料的生产对工艺和质控要求远高于普通产品,活菌活性对培养、纯化、制剂过程中的氧气、温度、pH值变化极为敏感,微小波动就可能引发菌株失活、批次质量不稳定等问题,要求工厂建立极高标准的工艺管控体系。

2. 商业机会方面,目前活体生物药行业处于发展早期,核心创新企业仅建成中试产能,仅能满足临床样品供应,不具备大规模商业化生产能力,有技术储备的工厂提前布局符合GMP/cGMP标准的活菌产能,可以承接创新企业的CDMO业务,也可以和创新药企开展产能合作,抢占行业早期机会。

3. 发展启示:活体生物药赛道增长空间明确,提前布局合规化、标准化的产能,能优先享受到行业增长红利。

本文梳理了活体生物药行业的发展现状,为生物医药领域的服务商提供了客户痛点和业务方向参考,核心内容如下:

1. 行业发展趋势:活体生物药是全球生物医药研发的前沿方向,国内赛道处于空白阶段,大量创新企业正在推进管线研发,行业整体需求持续扩容,相关服务需求也在快速增长。

2. 核心客户痛点:活体生物药领域的创新企业目前普遍存在三大痛点,一是资金投入大,现有融资难以支撑到产品商业化,二是缺乏符合合规要求的大规模商业化产能,三是没有成熟的商业化销售团队,市场教育难度大,此外多数企业也缺乏应对监管不确定性的经验。

3. 业务机会:服务商可以针对性布局CRO/CDMO生产服务、监管合规咨询服务、CSO市场推广服务、融资对接服务等业务,帮助创新企业降低研发和商业化成本,抓住赛道先发机会。

本文对布局生物医药创新领域的平台来说,梳理了活体生物药赛道企业的需求和行业风向,核心内容如下:

1. 赛道企业核心需求:活体生物药创新企业多数处于临床研发阶段,核心需求包括持续的资本支持、符合监管要求的产能建设支持、商业化落地相关的资源支持,当前多数企业面临资金耗尽的问题,亟需对接资本完成后续研发。

2. 平台运营机会:平台可以针对性开展活体生物药领域的专项招商,优先引入知易生物这类管线进度领先、差异化布局的头部创新企业,打造差异化的创新药孵化或投资板块,构建自身的核心竞争力。

3. 风向规避:该赛道研发不确定性高,监管规则不完善,存在研发失败、资金链断裂的风险,平台需要建立完善的项目评估和风险管控机制,合理控制相关项目的投入比例,规避潜在风险。

本文为生物医药产业研究者提供了活体生物药赛道的最新产业动向、现存问题和商业模式参考,核心内容如下:

1. 产业新动向:国内活体生物药赛道已经进入临床冲刺阶段,先发企业知易生物推进核心管线进入临床后期,在多个无药可用的细分领域形成差异化布局,并且探索出创新活菌药物+高端微生态原料的双轮商业模式,通过原料业务获取早期现金流,反哺创新药研发,是新兴赛道创业企业的典型模式。

2. 行业新问题:当前全球范围内活体生物药的监管框架仍不完善,国内没有配套的专项监管文件,也没有同类产品审评先例,研发路径高度不确定;此外行业内还存在药物作用机制未完全明确、生产工艺控制难度大、商业化体系不成熟等共性问题。

3. 这些新动向和新问题都为产业研究提供了新的方向,可重点聚焦监管规则完善、工艺标准化、临床疗效稳定性等方向开展研究。

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Quick Summary

This article outlines the industry background and current status of GeneBe Biomedical, a leading Chinese living biotherapy company, as it prepares for an IPO in Hong Kong:

1. GeneBe has two core pipelines that fill major unmet clinical needs. Its lead candidate SK08 is the only late-stage oral single-strain living biotherapy for diarrhea-predominant irritable bowel syndrome (IBS-D) globally, while its second candidate SK10 targets chemotherapy-induced diarrhea, an area with no approved treatments. The company also operates a dual business model that combines drug development with high-end probiotic raw material production.

2. No second-generation living biotherapy products have yet been launched in China, making it a largely untapped frontier segment. While GeneBe leads the industry in pipeline development, it has yet to achieve commercialization and has remained unprofitable, having already spent 80% of its previous funding. Proceeds from the Hong Kong IPO will primarily be used for late-stage R&D and capacity expansion.

3. The broader sector faces risks including incomplete regulatory frameworks, high manufacturing complexity and uncertain commercial prospects. Whether GeneBe will successfully complete its IPO and launch its products remains to be seen.

This article provides trend insights, strategic references and risk alerts for brand players active in the microecological medicine and health space:

1. Demand for chronic digestive disease treatments and oncology supportive care is growing steadily, leaving large unmet needs across multiple niches. There are no approved drugs specifically for IBS-D in China, and no effective treatments for chemotherapy-induced diarrhea and childhood rotavirus diarrhea, creating significant growth opportunities in underserved segments.

2. GeneBe's dual business model of innovative live biotherapeutics plus high-end microecological raw materials offers a useful strategic blueprint. It captures first-mover advantage through high-barrier innovative drug pipelines, while generating early cash flow from high-end probiotic raw material sales to reduce operational risk.

3. The sector faces notable risks: regulatory frameworks for living biotherapies are still incomplete, manufacturing requires extremely high process standards, and market education for this entirely new category will take a long time. Brands need to prepare for long-term capital investment and capacity planning in advance to manage various uncertainties.

This article outlines growth opportunities and potential risks in the living biotherapy and microecology space, offering key insights for industry practitioners:

1. There are significant market opportunities: No second-generation living biotherapy products have launched in China, and unmet clinical needs exist across multiple niches including IBS-D, chemotherapy-induced diarrhea and childhood rotavirus diarrhea, creating a largely untapped market with strong first-mover advantages. High-end probiotic raw materials also boast stable market demand, which can serve as an early source of cash flow.

2. Key risk notes: The R&D cycle for this sector is extremely long, with core pipelines taking nearly a decade to progress from early development to market launch, requiring massive capital investment. Regulatory frameworks are still incomplete with no established review precedents, making R&D delays and cost overruns common risks.

3. Additional considerations: Live biotherapeutic manufacturing requires extremely strict process controls. The category lacks established market awareness at the commercial stage, and building a sales distribution system is challenging. New entrants need to plan capital allocation, production capacity and market strategy well in advance.

This article provides insights on market demand, business opportunities and development directions for manufacturing facilities looking to enter the live biotherapeutic production space:

1. Manufacturing requirements: Production of live biotherapeutics and microecological raw materials has far stricter requirements for process control and quality assurance than conventional products. Strain activity is extremely sensitive to changes in oxygen, temperature and pH during cultivation, purification and formulation; even minor fluctuations can cause strain inactivation and inconsistent batch quality, requiring manufacturers to build extremely rigorous process control systems.

2. Business opportunities: The living biotherapy industry is still in an early development stage in China. Leading innovative companies have only built pilot-scale production capacity that meets clinical sample demand, and do not yet have large-scale commercial manufacturing capabilities. Manufacturers with existing technical capabilities can build GMP/cGMP-compliant live bacterial production capacity ahead of the curve to take on CDMO contracts from innovative firms or enter into capacity cooperation partnerships, capturing early opportunities in the sector.

3. Key takeaways: With clear long-term growth prospects for the living biotherapy sector, building compliant, standardized production capacity ahead of demand will allow manufacturers to capture a first-mover share of the industry's growth.

This article outlines the current state of the living biotherapy industry, highlighting key client pain points and business opportunities for biotech service providers:

1. Industry trends: Living biotherapy is a cutting-edge frontier in global biopharmaceutical R&D, and the Chinese market is still largely undeveloped. A growing number of innovative companies are advancing pipeline development, driving rapid growth in demand for related industry services.

2. Core client pain points: Innovative living biotherapy companies commonly face three key pain points: First, R&D requires massive capital investment, and existing funding is often insufficient to reach commercialization. Second, most lack compliant large-scale commercial production capacity. Third, they have no established commercial sales teams and face significant challenges in market education. Most also lack experience navigating regulatory uncertainty.

3. Business opportunities: Service providers can build targeted offerings including CRO/CDMO manufacturing services, regulatory compliance consulting, CSO marketing and promotion, and financing connection services to help innovative companies reduce R&D and commercialization costs and capture first-mover opportunities in the sector.

This article outlines industry trends and enterprise demand in the living biotherapy sector for platforms focused on innovative biopharma:

1. Core demand from sector players: Most innovative living biotherapy companies are in the clinical R&D stage, with core needs including sustained capital support, regulatory-compliant capacity building support, and resources for commercialization. Most currently face funding shortages, and urgently need to connect with capital to advance late-stage R&D.

2. Operational opportunities for platforms: Platforms can launch targeted industry-specific recruitment for the living biotherapy sector, prioritize attracting leading innovative players with advanced pipelines and differentiated positioning like GeneBe Biomedical, to build a differentiated innovative drug incubation or investment segment and strengthen core competitiveness.

3. Risk mitigation: The sector carries high R&D uncertainty, incomplete regulations, and risks of R&D failure and capital chain rupture. Platforms need to establish comprehensive project evaluation and risk control mechanisms, reasonably control the proportion of investment in related projects, and mitigate potential risks.

This article provides the latest industry developments, existing challenges and business model references for biopharmaceutical industry researchers studying the living biotherapy sector:

1. New industry developments: China's living biotherapy sector has now entered the late-stage clinical sprint. Leading player GeneBe Biomedical has advanced its core pipeline to late-stage development, built a differentiated positioning across multiple underserved niches, and developed a dual business model combining innovative live biotherapeutics and high-end microecological raw materials. This model generates early cash flow from raw material sales to fund innovative drug R&D, serving as a typical blueprint for startups in emerging sectors.

2. New industry challenges: Globally, regulatory frameworks for living biotherapies remain incomplete. China has not yet issued dedicated supporting regulatory documents, and has no review precedents for similar products, leaving R&D pathways highly uncertain. The sector also faces common industry challenges including incompletely understood mechanisms of action, extreme difficulty in manufacturing process control, and immature commercialization systems.

3. These new developments and challenges open up new directions for industrial research. Future research can focus on areas including regulatory framework improvement, process standardization, and clinical efficacy stability.

Disclaimer: The "Quick Summary" content is entirely generated by AI. Please exercise discretion when interpreting the information. For issues or corrections, please email run@ebrun.com .

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消化慢病与肿瘤支持治疗需求持续扩容,活体生物药(LBP)凭借修复肠道屏障、调节免疫稳态的独特机制,成为生物医药研发前沿。

目前,国内二代LBP尚无产品落地,行业正处空白窗口。

近日,广州知易生物递表港交所,其核心管线SK08是全球临床后期唯一针对腹泻型肠易激综合征(IBS-D)的口服单菌株LBP,相比传统对症药物(易复发、副作用多)具备根源性调节优势,且口服便捷、标准化生产可控;另一管线SK10则直击化疗相关性腹泻这一无药可用的临床痛点。

同时,公司布局下一代消费产品原料AM06?,构建“创新活菌药物+高端微生态原料”双轮业务架构。

自2013年成立以来,公司累计完成8轮融资,投后估值达14.03亿元,吸引了国投创业、深创投系、粤科系等头部国资与创投机构加持。

但硬币的另一面是:公司商业化收入为零、持续研发“烧钱”,登陆港股18A几乎是企业接续研发投入、完成产品落地的关键资本路径。知易生物能否在资本耐心耗尽前,完成从管线到商业化产品的惊险一跃?

1

锚定肠易激与化疗腹泻刚需赛道,填补临床空白

知易生物2013年成立于广州,是一家专注于活体生物药的临床阶段公司。

活体生物药不同于传统靶向药物,它通过活菌调节人体肠道菌群来治疗疾病,属于前沿的生物制药方向。

这种机制带来了广泛的治疗潜力。从消化系统疾病(如肠炎、腹泻)、代谢病,到免疫调节乃至肿瘤,活体生物药都能发挥作用。例如在肿瘤领域,它既能提升PD-1(程序性死亡受体1)免疫疗法的效果,也能从根源上修复肠黏膜,缓解化疗引起的严重腹泻。

基于此,公司开发了核心品种——活菌药SK08和灭活菌药SK10。

SK08使用自主筛选的脆弱拟杆菌ZY-312,主要针对腹泻型肠易激综合征、儿童轮状病毒腹泻、溃疡性结肠炎,以及联合PD-1治疗实体瘤。SK10则专注化疗相关性腹泻。

此外,公司还有四个临床前项目,分别覆盖自身免疫病、口腔黏膜炎、皮炎和代谢病。同时,自研的母乳源阿克曼氏菌菌株AM06?作为高端益生菌原料对外销售,形成了“新药+消费原料”的双业务模式。

在具体的适应症上,SK08瞄准了明确的临床空白。以腹泻型肠易激综合征为例,这是肠易激综合征最主要的亚型,患者占比约70%,但国内目前没有专门获批的药物,仅有的一款老药布拉氏酵母菌获批于2004年且只针对整体肠易激综合征。

当前国内7条在研管线中,仅SK08和天士力的肠康进入III期临床,而SK08是唯一的活菌药,进度领先。

同时,SK08也是国内首个同时获得中美两国临床批准的活体生物药,更是全球首个以脆弱拟杆菌开发的活体生物药。

另一个空白领域是儿童轮状病毒腹泻。目前全球没有特效治疗药,所有已上市产品都是预防性疫苗。全球11条在研管线中,除两个外其余都是疫苗,而SK08是唯一针对已感染患者的治疗性活体生物药,正在进行II期临床试验,有望填补这一缺口。

另一核心产品SK10为公司自主研发的口服灭活型脆弱拟杆菌活体生物药,专门用于预防与治疗化疗相关性腹泻,拥有全球独家差异化定位。

针对化疗相关性腹泻(CID)这类肿瘤治疗并发症,传统治疗手段仅能单纯缓解腹泻相关症状,而活体生物药(LBP)可通过修复肠道黏膜、重建肠道菌群平衡、调节肠道局部免疫功能,实现从病因层面干预疾病的修饰型治疗方案。

从行业现状来看,当前全球及国内均暂无获批专门用于CID治疗的药物,临床存在巨大未满足医疗需求。目前全球仅有两款针对CID的LBP候选药物进入临床开发阶段,中美各布局一条管线,两款管线当前最高试验阶段均为I期。

其中,知易生物的SK10为单菌株口服制剂,2023年9月完成FDA临床信息首次公示,在美国开展I期临床,也是两条管线中唯一实现海外临床布局的品种。

总体来看,知易生物围绕活体生物药搭建了覆盖临床治疗与原料销售的双业务体系,核心管线SK08、SK10在多个尚无有效获批药物的适应症领域形成差异化布局。

2

营收薄弱、亏损扩大,融资4.75亿已花八成

知易生物虽在国内微生态创新药领域具备明确先发优势,但作为尚未实现产品商业化的临床阶段企业,其现金流压力不容忽视。

目前,知易生物尚未有任何一款新药获批上市,整体营收结构单薄且盈利能力薄弱。

2024年、2025年公司营业收入仅为72.1万元、240.7万元,收入仅来源于少量母乳源菌株原料销售及对外CRO研发服务,不具备持续稳定的造血能力。

公司其他收入主要来自于政府补助。2024年、2025年,公司政府补助分别为2197万元、816.4万元,显著高于公司的主营业务收入。

与此同时,公司研发投入持续高企,核心管线临床推进、技术迭代及团队运营均需大额资金支撑,导致企业亏损规模持续扩大,2024年、2025年净亏损分别达6399.8万元、6939.3万元。

从产品研发进度来看,尽管SK08在腹泻型肠易激综合征、儿童轮状病毒腹泻等适应症上具备先发优势,但目前仍处于临床中期至后期阶段,距离商业化落地尚有较长周期。

根据最新研发规划,SK08的核心适应症腹泻型肠易激综合征的III期临床预计2027年底读出数据,2028年下半年才有望提交上市申请,漫长的临床周期意味着企业仍需多年持续投入,短期内无法兑现收益。

暂无商业化收入的知易生物,主要依赖外部资本输血。

自2013成立以来,知易生物累计完成8轮股权融资,共获得约4.75亿元融资,投后估值达14.03亿元,汇聚了国投创业、深创投系、清控银杏等头部国资与创投机构。

不过,目前公司80%融资款已被耗尽。

截至2025年末,公司的现金及现金等价物仅剩7408万元。虽然,公司暂无银行借款,但核心管线临床试验、自有生产基地建设均需持续大额资本投入,现有现金或难以长期支撑后续研发与扩产开支。

仅2024年、2025两个完整年度,公司研发费用便分别达到6757万元、6194万元,持续大额开支进一步加剧资金压力。

在此背景下,公司赴港上市募集资金将重点投向SK08多适应症临床开发与商业化、SK10海内外管线临床试验,同步用于技术平台升级与新药挖掘,以及现有厂区改造、新建商业化产线的资本开支,剩余资金补充营运资金。

3

行业规则尚未成形,商业化仍处“探路期”

实际上,活体生物药(LBP)属全球前沿创新领域,监管框架仍在持续完善中,这也给知易生物发展前景带来了较多不确定性。

截至目前,全球仅极少数微生物组疗法获上市批准,中国NMPA及美国FDA均未发布针对LBP的完整、细化的技术指导原则,国内尚无配套的专项监管文件。

公司在研核心品种SK08(全球首个进入临床的脆弱拟杆菌活菌药)无同类产品审评先例可循,研发路径高度依赖监管沟通与个案裁决。

监管部门可能在临床试验任何阶段要求补充非临床研究、变更评价终点或提升生产质控标准,这将直接导致研发周期延长、成本攀升,甚至上市申请被驳回。

LBP的临床疗效与安全性显著受限于患者个体差异,包括肠道菌群基线、饮食习惯、合并用药及宿主遗传背景等不可控因素。叠加行业范围内药物作用机制尚未完全明确的科学困境,临床数据容易出现波动,可能无法达到统计学显著水平,或暴露出预期外的不良反应信号,公司须对此保持充分预案。

此外,活菌药物的活性维持对工艺参数极为敏感,在培养、纯化及制剂过程中,氧气、温度及pH值等微变均可能引发菌株失活、表型漂移或外源污染。生物原料自身的批次间波动亦会进一步放大生产失控风险。

公司虽在广州黄埔建有符合GMP/cGMP标准的中试基地,配备两台5000L发酵罐,具备年产1500万袋散剂及1亿粒胶囊的产能,当前主要保障自研临床样品供应及CDMO业务,但该产线仅能满足SK08上市初期的小规模供货,尚不具备独立的大型商业化生产能力。

公司计划于2027年对现有生产设施开展技术升级改造,使之满足核心产品SK08活菌散的新药上市申请(NDA)及药品生产许可证申报的相关要求,保障产品后续商业化落地条件。

但若在此前或改造过程中无法持续满足GMP/cGMP合规要求,将面临批次报废、临床试验暂停乃至申报被拒等后果。

即便SK08最终成功获批,公司仍面临从研发型企业向商业化企业跨越的挑战。

目前公司无专业销售团队、学术推广体系及终端渠道,计划依托合同销售组织(CSO)模式开展市场推广。

然而LBP作为全新治疗品类,市场教育难度极大,临床医生对其机制、适应症及用药规范认知不足,需长期学术投入方能改变处方习惯。

公司当前总人数为83人,其中研发人员58人,制造人员仅8人。精干的团队架构在高效推进多管线研发、中美临床、供应链管理及注册事务的同时,也意味着资源调配弹性有限,对项目优先级管理及外部协作效率提出极高要求。

总体而言,知易生物的核心困境源于新兴赛道的行业共性与企业自身发展阶段的叠加效应。公司虽抢占了活体生物药的先发赛道,但受限于研发周期长、资金消耗大、产业化难度高及监管与商业化体系不成熟等因素,短期内难以摆脱“高投入、无盈利、高不确定”的发展状态。

未来数年的临床进度、融资能力、产能落地与市场拓展成效,将直接决定其商业化兑现能力与长期发展空间。

注:文/孟祥娜,文章来源:创业最前线(公众号ID:chuangyezuiqianxian),本文为作者独立观点,不代表亿邦动力立场。

文章来源:创业最前线

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FAQ回顾

什么是活体生物药?主要作用是什么?

活体生物药是通过活菌调节人体肠道菌群治疗疾病的前沿生物制药方向,不同于传统靶向药物,可修复肠道屏障、调节免疫稳态,适用范围覆盖消化系统疾病、代谢病、免疫调节、肿瘤等多个领域,相比传统对症药物具备根源性调节优势。

知易生物的核心产品管线有哪些?对应什么适应症?

知易生物核心管线包括SK08与SK10,SK08是全球临床后期唯一针对腹泻型肠易激综合征的口服单菌株活体生物药,还覆盖儿童轮状病毒腹泻、溃疡性结肠炎、联合PD-1治疗实体瘤等方向;SK10专注预防与治疗化疗相关性腹泻,拥有全球独家差异化定位。

国内活体生物药行业目前处于什么发展阶段?

当前国内尚无二代活体生物药产品落地,行业处于空白窗口,中美两国监管部门均未发布针对活体生物药的完整细化技术指导原则,国内暂无配套专项监管文件,研发、生产、商业化全链条均处于探索期。

知易生物当前面临的主要经营压力有哪些?

知易生物目前暂无新药获批上市,主营业务收入微薄,2025年营收仅240.7万元,主要依赖政府补助与融资输血,累计4.75亿元融资已消耗八成,同时研发周期长、监管规则不明,现金流及发展不确定性压力较大。

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