Resumen de: WO2025074120A1
The present invention is directed to nanoparticle compositions obtainable from the polymerisation of oligolactoglycolic acid dimethacrylates (OLGADMAs), methods for preparing said OLGADMAs, methods for preparing said nanoparticle compositions, and uses thereof. In one aspect the present invention provides a nanoparticle composition obtainable from precipitation polymerisation of one or more oligomers of formula (I), as defined herein.
Resumen de: CN122557734A
本发明公开了一种用于重编程CAFs以增强免疫治疗的超声催化纳米调节剂及其制备方法和应用,属于生物医药技术领域。纳米调节剂包括Nb2GeTe4纳米片、负载于Nb2GeTe4纳米片表面的达沙替尼及包覆于Nb2GeTe4纳米片和达沙替尼表面的CAF细胞膜;Nb2GeTe4纳米片为二维片状结构,横向尺寸为100~200nm;超声催化纳米调节剂的粒径为150~220nm。本发明通过CAF细胞膜的同源靶向递送、达沙替尼对CAFs的表型重编程以及Nb2GeTe4在超声激发下的催化调控功能,实现基质屏障解除与肿瘤微环境干预的联合应用,有效提升富基质肿瘤的治疗效果,同时超声触发机制保障了治疗的可控性与生物安全性。
Resumen de: CN122557492A
本发明涉及纳米递送,具体涉及一种基于生物钟响应性Irisin的肝脏靶向仿生纳米递药系统及其应用;该纳米系统系统为含有Per1启动子驱动的Irisin节律性表达基因环路Irisin‑CGC的具有肝靶向功能的仿生纳米载体LXRT NPs。所述纳米系统通过GalNAc修饰实现对肝实质细胞ASGPR受体的主动靶向,并结合“葡萄糖响应”实现病理环境下的可控释放。该系统能够在体内重建Irisin的昼夜节律性表达,实现“时间‑空间”双重精准调控,从而恢复肝脏代谢基因振荡网络,改善脂质沉积及胰岛素抵抗。该发明具有靶向性强、生物相容性好、节律调控精确及副作用低等优点,可应用于肥胖的治疗。
Resumen de: CN122557736A
本发明公开了一种时序性光控抗菌抗炎仿生纳米粒子及其制备方法与应用。该仿生纳米粒子以经蛋白酶脱敏处理的MRSA细菌细胞膜(dMRSA‑CM)为外壳,内部包裹由光敏剂与植物多酚碳点复合的纳米内核;其中,dMRSA‑CM赋予纳米粒子对MRSA浮游菌及生物膜的高效同源靶向黏附能力与低免疫原性。该纳米粒子在光照条件下通过光敏剂实现精准高效的智能杀菌,光照终止后通过植物多酚碳点及时清除过量活性氧,实现光照时序可切换的杀菌与高效抗炎修复协同功能,有效克服传统光动力疗法中ROS过量导致炎症损伤的缺陷。该仿生纳米粒子可用于制备治疗慢性伤口MRSA感染,特别是深部组织及生物膜相关感染的光动力治疗药物。
Resumen de: CN122557489A
本发明公开了一种趋化靶向的仿病原体无载体纳米药物及其制备方法和应用,所述制备方法包括将高锰酸钾溶液滴加至蛋白溶液中进行搅拌反应,再经透析纯化,得到负载蛋白的二氧化锰纳米颗粒;将化疗药物结合在负载蛋白的二氧化锰纳米颗粒表面,得到负载化疗药物和蛋白的二氧化锰纳米颗粒;将负载化疗药物和蛋白的二氧化锰纳米颗粒和OMVs进行共混、薄膜挤出;本发明纳米药物通过原位“搭便车”策略促进其在急性炎症肿瘤局部的高效蓄积和深层渗透,实现协同饥饿‑化学‑免疫疗法高效治疗肿瘤的目的;此外,本发明验证了OMVs作为纳米药物载体的临床转化潜力,为中性粒细胞参与的肿瘤或多种炎症性疾病治疗提供一种有效且可推广的新策略。
Resumen de: WO2025059607A1
The disclosure provides lipid nanoparticles (LNPS) and conjugates comprising a targeting moiety and a lipid nanoparticle (LNP) encapsulating a therapeutic agent (e.g., payload) for delivery to hematopoietic stem cells (HSCs). The conjugates can be formulated in a pharmaceutical composition and can be directly administered to a subject in need of treatment (e.g., via in vivo administration).
Resumen de: WO2025059546A1
Disclosed are compounds comprising an active agent covalently linked to a tumor antigen. Also disclosed herein nanoparticles comprising a tumor antigen covalently linked to an active agent and a plurality of lipid or lipidoids.
Resumen de: WO2025059599A1
The disclosure provides ionizable lipids for constructing lipid nanoparticles. The disclosure further provides conjugates comprising a targeting moiety and a lipid nanoparticle (LNP) encapsulating a therapeutic agent (e.g., payload) for delivery to immune cells, hematopoietic stem cells (HSCs), or liver cells. The conjugates can be delivered to cells ex vivo or formulated in a pharmaceutical composition to be directly administered to a subject in need thereof (e.g., via in vivo administration).
Resumen de: WO2025034870A1
The present application, in certain aspects, pertains to methods and compositions for the treatment of a hormone-dependent cancer (such as an endometrial cancer (e.g., endometrioid endometrial cancer) or hormone-receptor positive breast cancer), using a composition comprising nanoparticles comprising sirolimus and an albumin in combination with an estrogen suppressor (such as letrozole or fulvestrant).
Resumen de: CN122557495A
本申请为一种聚多巴胺复合纳米粒子及其制备方法和应用,属于医药制备技术领域,所述复合纳米粒子是ESMPDA@HA 纳米粒子,具体是采用巯基‑β‑环糊精修饰的MPDA负载ES,再包覆透明质酸制得。本发明中通过采用巯基‑β‑环糊精修饰后MPDA后,再负载ES,最后包覆透明质酸制备的ESMPDA@HA纳米粒子,有效提高了对ES的负载效率,实现了“肿瘤微环境响应‑靶向递送‑协同治疗”一体化治疗路径,高效杀伤肿瘤细胞,并且通过铜死亡、ICD 效应联合光热治疗具有高效的抑制肿瘤复发的能力,从“直接杀伤残留肿瘤细胞+激活全身抗肿瘤免疫”双维度遏制肝癌肿瘤术后复发。
Resumen de: CN122557490A
本发明涉及生物医药技术领域,尤其涉及肿瘤‑血小板杂化膜仿生碳纳米粒及其制备方法和应用,所述肿瘤‑血小板杂化膜仿生碳纳米粒具有核壳结构;所述核壳结构的核包括:可生物降解聚合物和包载的光热转换剂、免疫调节药物;所述核壳结构的壳包括:由肿瘤细胞膜与血小板膜形成的仿生杂化膜。本发明提供的纳米粒通过杂化膜技术解决了长循环与精准靶向两大难题,将物理能量、化学药物与机体生物反应整合于一个一体化平台,能够主动搜寻并锚定传统纳米药物难以触及的循环肿瘤细胞和微转移灶,并在局部产生光热/化学杀伤的同时,重塑全身的免疫状态,实现对转移性乳腺癌原发灶与转移灶的协同抑制,展现出比单一或简单联合疗法更优越持久的抗肿瘤效果。
Resumen de: CN122557491A
本发明属于生物医药技术领域,具体涉及一种载核酸药物的纤维蛋白原纳米颗粒及其制备方法和应用。本发明以纤维蛋白原为载体,通过加入酸性缓冲液中实现纤维蛋白原质子化,与核酸药物经静电和亲疏水作用自组装形成纳米颗粒,经超滤纯化制得。该方法工艺简单、条件温和,无需化学修饰,可高效包载siRNA、miRNA、mRNA,制备的纳米颗粒粒径均一、稳定性好,具备天然肺器官靶向性。体内外实验表明,该纳米颗粒能显著提升核酸药物的肺癌细胞摄取效率与抗肿瘤效果,且生物安全性优异,为肺癌等肺部疾病的精准基因治疗提供了新型递送方案。
Resumen de: CN122557487A
本发明公开了一种克服细胞外囊泡介导铁死亡耐受的双RNA共递送纳米颗粒及其制备方法与应用,属于生物医药与纳米递药技术领域。该纳米颗粒为表面修饰有骨肉瘤靶向肽的脂质纳米颗粒,并负载有BAP1 mRNA和ENO1 siRNA。本发明首次发现肿瘤来源细胞外囊泡(EVs)通过富集ENO1增强肿瘤细胞及免疫细胞对铁死亡的耐受,并形成免疫抑制性肿瘤微环境。所述纳米颗粒能够精准递送BAP1 mRNA与ENO1 siRNA至骨肉瘤病灶,一方面恢复BAP1介导的铁死亡敏感性,另一方面抑制ENO1表达及EVs‑ENO1分泌,从而协同诱导脂质过氧化和肿瘤细胞铁死亡,并促进M1型巨噬细胞极化及CD8+ T细胞活化。动物实验表明,本发明具有良好的肿瘤靶向性、生物安全性及抗肿瘤效果,可显著抑制骨肉瘤原位生长和肺转移。
Resumen de: US2025041425A1
0000 Excipient granulations containing a viscosifying agent, a disintegrant, and one or more additional excipients are disclosed. An excipient granulation can be combined with a pharmaceutical granulation to provide a pharmaceutical composition. The excipient granulations can be used to increase the viscosity of an aqueous composition such as an oral pharmaceutical composition. When added to an aqueous solution, the excipient granulation can dissolve to provide a suspension of the pharmaceutical granules in a viscous solution. The excipient granulation can be used to improve the palatability of oral pharmaceutical compositions containing a pharmaceutical granulation.
Resumen de: CN122562719A
本发明名称为一种β‑羟基硫醚衍生型的可电离脂质、脂质纳米颗粒及其制备方法与应用,属于核酸载体技术领域。所要解决的技术问题为针对现有技术中核酸递送体系普遍存在组织靶向性不足、主要富集于肝脏且难以实现对免疫相关器官精准递送等问题,提供一种具有脾脏靶向特性的可电离脂质的合成方法及其应用。技术方案要点为所提供的可电离脂质能够高效包封核酸分子,并在体内优先富集于脾脏组织,实现对免疫细胞的定向递送,其递送效率得到了明显提升。
Resumen de: CN122562726A
本发明涉及医药领域,公开了一种含有氨基甲酸酯的高效低毒阳离子脂质、包含其的组合物及用途,具体公开了一种式(I)所示的阳离子脂质。本发明提供的这种具有靶向功能的分子能特异性地递送药物到特定的细胞,同时可显著降低细胞毒性,有助于发挥药物的疗效,进而大大减少药物的给药剂量以及副作用,达到精准治疗的效果。。
Resumen de: CN122557754A
本发明公开了一种pH响应型PLGA‑PEG纳米载体及其制备方法,包括载体材料、靶向配体和荧光标记,所述靶向配体、荧光标记均与所述载体材料相连接,所述载体材料为PLGA‑PEG‑COOH嵌段共聚物,PLGA‑PEG‑COOH嵌段共聚物包括PLGA和NH2‑PEG‑COOH,PLGA的分子量为10000‑50000 Da,PEG的分子量为2000‑5000 Da,PLGA末端的羧基与NH2‑PEG‑COOH的氨基经酰胺化反应连接形成所述PLGA‑PEG‑COOH嵌段共聚物,PLGA‑PEG‑COOH嵌段共聚物末端的羧基作为pH敏感基团,能够在酸性条件下发生质子化;优点是构建末端羧基作为pH敏感基团的PLGA‑PEG‑COOH嵌段共聚物,并连接叶酸靶向配体和Cy5.5近红外荧光标记,实现了在肿瘤微酸性环境中特异性加速释药、主动靶向肿瘤细胞及体内荧光成像追踪的多功能集成,从而提高药物递送效率、减少系统毒性和监测载体分布。
Resumen de: CN122562700A
本发明属于脂质纳米颗粒的药物递送技术领域,具体涉及一种新型可电离脂质SM‑RA及其制备方法和应用。该可电离脂质的结构式为:。将其掺入脂质纳米颗粒(LNP)后,所构建的LNPSM‑RA体系具有以下特征:(1)粒径均一,mRNA包封率高达90%以上;(2)具有高效的体内外递送效率;(3)LNPSM‑RA递送幽门螺杆菌mRNA抗原(mNapA)后,LNPSM‑RA在维持系统性体液免疫应答的同时,显著增强黏膜体液免疫应答;此外,该体系还能有效激活系统性及胃肠道局部细胞免疫应答;(4)LNPSM‑RA递送幽门螺杆菌mRNA抗原后可对幽门螺杆菌感染提供保护作用,具体表现为显著降低感染小鼠胃组织中幽门螺杆菌定植量。
Resumen de: CN122562712A
本公开属于医药领域,提供了含有氨基甲酸酯结构的多酯键脾靶向阳离子脂质及包含其的组合物和用途,具体公开了式(I)所示的阳离子脂质。本公开提供的阳离子脂质可用于核酸靶向递送,能够降低肝脏富集的同时显著增强所递送药物的脾靶向性。
Resumen de: CN122557494A
本发明属于医药技术领域,具体涉及一种治疗急性肺损伤的纳米结构脂质载体及其制备方法和应用,本发明以山嵛酸甘油酯为固体脂质、辛癸酸甘油酯为液体脂质,采用吐温80‑大豆卵磷脂复合乳化剂体系,经熔融乳化‑超声分散工艺制备,通过单因素考察结合Box‑Behnken响应面法优化处方。所得制剂平均粒径约100nm,包封率可达87%以上,4℃条件下储存稳定性良好,可显著提高连翘苷的溶解度与口服生物利用度,延长药物体内循环时间。该制剂能够下调IL‑6、IL‑1β、TNF‑α等促炎因子水平,减轻肺组织炎性损伤与肺水肿,对急性肺损伤具有明确治疗作用,且制备工艺简便可控、重复性好,适于产业化开发。
Resumen de: WO2025000039A1
Disclosed herein is a bioactive polymer for forming a solution and/or hydrogel to stabilise one or more pharmaceutically active agents prior to, during or post-administration, the polymer comprising a first monomer for binding water, a second monomer for imparting mechanical properties to the scaffold; optionally, a third monomer for binding to a natural or synthetic peptide or protein (NSPP); and a fourth monomer for imparting phase-transition behaviour. Preferably, the first monomer is OEGMA; the second monomer is PLA/HEMA; the third monomer is NAS; and the fourth monomer is NIPAAm, and the polymer comprises: OEGMA in an amount of from about 1 to about 15 mol%; PLA/HEMA in an amount of from 5 to about 50 mol%; NAS in an amount of from 0 to about 15 mol%; and NIPAAm in an amount of up to about 85 mol%.
Resumen de: AU2026206234A1
Abstract Disclosed is a stable immunogenic composition capable of eliciting a robust and durable immune response, comprising at least one antigen consisting of a filovrus glycoprotein and at least one nano-emulsion adjuvant which are co-lyophilized and can be reconstituted immediately prior to use. Also disclosed is a vaccine composition comprising at least two antigens, wherein each antigen is specific to a different genus of filovirus and which also comprises at least one nano-emulsion adjuvant. Abstract
Resumen de: WO2026167555A1
The present disclosure relates to a senescence-associated beta-galactosidase (SA-β-Gal) degradable polymeric nanoparticle, formulations, methods of producing said nanoparticle and uses in senotherapy. Said nanoparticle is capable of precisely and efficiently deliver and release a senotherapeutic active ingredient, namely a senolytic active ingredient, in organ-specific senescent cells, particularly the senescent liver cells, increasing the senotherapeutic index of the senolytic active ingredient and inducing apoptosis in senescent cells overexpressing SA-β-Gal.
Resumen de: WO2026169706A1
The disclosure relates to nanoconjugates and uses thereof. Specifically, the disclosure provides nanoconjugates comprising a biodegradable polymeric backbone conjugated to a blood-brain barrier penetrating peptide and an immunotherapeutic agent, and uses thereof for treating cancers of the central nervous system.
Nº publicación: WO2026169105A1 13/08/2026
Solicitante:
THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIV IAC [KR]
GYEONGKUK NATIONAL UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION [KR]
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Resumen de: WO2026169105A1
The present invention relates to a pharmaceutical composition for preventing or treating diabetes comprising nanovesicles derived from Jerusalem artichoke (Helianthus tuberosus) as an active ingredient. The nanovesicles derived from Jerusalem artichoke exhibit a blood sugar reduction effect and a collagen synthesis inhibition effect, which are confirmed to be superior to those of Jerusalem artichoke extract, and thus the composition can be effectively utilized as a composition for preventing, treating or improving diabetes.