Resumen de: US2022096655A1
The present disclosure relates to the field of nanoparticles, conjugates thereof and their use in methods of treatment or prevention of vascular inflammation. The present disclosure also relates to methods of delivering an agent to a region of a blood vessel in a patient, comprising: a) conjugating the agent to a nanoparticle to produce a conjugate; and b) delivering the conjugate to the region of the blood vessel.
Resumen de: US2022249388A1
The invention relates to nanoparticles comprising Enzalutamide, processes for the preparation of such nanoparticles, pharmaceutical compositions and pharmaceutical dosage forms comprising such nanoparticles, processes for the preparation of such pharmaceutical dosage forms, and uses of the pharmaceutical dosage forms for medical purposes.
Resumen de: MX2021011230A
The present invention provides compositions and devices for subcutaneously administering compositions comprising nanoparticles comprising an mTOR inhibitor and an albumin. The present application also provides methods of treating diseases by subcutaneously administering to an individual a composition comprising nanoparticles comprising an mTOR inhibitor and an albumin.
Resumen de: EP4600256A1
The present disclosure relates to an immunological composition comprising or encoding a human respiratory syncytial virus antigen, and the immunological composition is selected from a nucleic acid immunological composition, a polypeptide immunological composition or a viral immunological composition.
Resumen de: TW202434616A
Compounds, compositions, uses, and methods for increasing cell viability of a dopaminergic neuron, or for preventing or treating dopaminergic neuronal death, are provided herein. In certain examples, methods for reducing symptoms and/or for preventing or treating Parkinson's disease in a subject in need thereof are provided which may include a step of treatment with a GDP-bound form of Rab1a (Rab1a<SP>GDP</SP>), one or more expressible nucleic acids encoding Rab1a<SP>GDP</SP>, or a combination thereof.
Resumen de: WO2025170419A1
The present invention relates to a nano-metal composite particle comprising magnesium oxide and manganese oxide, a use of the composite particle as a nanozyme utilizing the ability to scavenge reactive oxygen species, and a manufacturing method therefor.
Resumen de: MX2025007690A
The present invention addresses the problem of providing: a compound that is a 4-aminopiperidine lipid; lipid nanoparticles containing the lipid; and a pharmaceutical composition useful for nucleic acid medicines and the like.ã¿¿The present inventors have discovered a compound that is a 4-aminopiperidine lipid or a salt thereof, examined lipid nanoparticles that have the potential of being formed into various pharmaceutical compositions, and revealed that the lipid that is the compound according to the present invention or a salt thereof can form lipid nanoparticles, and moreover, lipid nanoparticles in which nucleic acid is encapsulated (i.e., nucleic acid lipid nanoparticles). In addition, the nucleic acid lipid nanoparticles containing the lipid according to the present invention are expected to serve as a component of pharmaceutical compositions useful for prevention and/or treatment of astrocyte-related diseases.
Resumen de: CN120463627A
本发明属于生物医药技术领域,公开了一种氧化三级胺衍生的两性离子脂质及应用。本发明利用醛、异腈、胺和羧酸的四组分Ugi反应合成可电离阳离子脂质,然后通过对可电离阳离子脂质的三级胺头基进行氧化反应,获得氧化三级胺衍生的两性离子脂质。本发明的氧化三级胺衍生的两性离子脂质可替代辅助磷脂制备脂质纳米颗粒并用于核酸药物递送;能够提升肌肉原位mRNA转染效率并降低肝脏脱靶蛋白表达水平,可满足核酸药物、核酸疫苗以及基因编辑等的应用需求。
Resumen de: CN120459282A
本发明属于核酸疫苗技术领域,具体涉及一种靶向多种突变p53蛋白的srRNA疫苗、构建方法及应用。所述的自复制srRNA疫苗包括唾液酸修饰的脂质纳米颗粒和srRNA,且srRNA封装在唾液酸修饰的脂质纳米颗粒中;所述srRNA包括双链串联微基因,由多个含p53蛋白突变位点的抗原提取单位依次串联后转换成的编码序列进行PCR后得到的;所述唾液酸修饰的脂质纳米颗粒由以下的原料制备而成:可电离脂质、二硬脂酰磷脂酰胆碱、胆固醇、唾液酸胆固醇衍生物SA‑AE‑AC‑CH和二肉豆蔻酰甘油‑聚乙二醇2000。本发明解决了传统mRNA疫苗持续时间短,靶向不准确的问题。
Resumen de: WO2024091183A1
The present invention provides an ionizable polymer comprising a constitutional unit according to formula (I). wherein R1 and R2 are as defined in the specification. The ionizable polymer of the invention finds use in the intracellular delivery of polynucleotides in vitro and in vivo. The present invention also provides compositions comprising the ionizable polymer of the invention and a polynucleotide. The compositions disclosed herein find utility as medicaments, in particular as medicaments for the prevention or treatment of an infectious disease, a cancer, or a protein-deficiency disease.
Resumen de: CN120459283A
本发明属于生物医药技术领域,公开了一种抗肿瘤复合纳米疫苗,包括树突状细胞来源外泌体、肿瘤细胞膜,所述树突状细胞来源外泌体通过融合肿瘤细胞膜携带目标病原体抗原,实现更有效的抗原递送和免疫激活,安全性高,在预防和治疗神经胶质母细胞瘤等恶性肿瘤方面具有一定应用前景。
Resumen de: US2024180844A1
The present disclosure features particle compositions, such as liposomes and lipid nanoparticles, comprising a polysarcosine-lipid conjugate, as well as methods of making and using the same.
Resumen de: WO2024133635A1
A composition comprising: (a) an active ingredient; and (b) a lipid mixture comprising: (i) a cationically ionisable lipid capable of forming a lipid nanoparticle; (ii) a steroid; and (iii) a negatively charged amphiphile having a hydrophilic portion and a lipophilic portion; wherein the composition is a lipid nanoparticle composition and is substantially free of a polyethylene glycol-conjugated lipid, wherein the polyethylene glycol (PEG) moiety of the PEG-conjugated lipid has at least 5 consecutive ethylene glycol repeating units, is provided.
Resumen de: CN120459008A
本发明公开了一种cGAS‑STING激活型微针系统及其制备方法与应用,所述cGAS‑STING激活型微针系统包括相连的针尖和背衬,所述针尖上负载有介孔光敏纳米复合药物,所述介孔光敏纳米复合药物以空心普鲁士蓝纳米颗粒为载体,内部负载小分子药物,外层包覆天然CD44配体多糖;所述小分子药物为羟基脲和毒胡萝卜素的混合物。本发明所述介孔光敏纳米复合药物能够通过温和光热诱导免疫原性细胞死亡,释放损伤相关分子模式;同时激活cGAS‑STING信号通路,促进I型干扰素的分泌,诱导树突状细胞活化并成熟,从而增强T细胞介导的抗肿瘤免疫应答。本发明提供了一种创新的肿瘤免疫治疗策略,具有重要的临床应用价值。
Resumen de: CN120459057A
本发明涉及一种单核细胞搭载型产氧脂质体及其制备方法和应用,其中制备方法包括:通过固相多肽合成法合成末端为半胱氨酸的脂肽CP和含硫缩酮结构域的脂质RL,提取类囊体膜TK,将脂质成分和脂肽CP使用有机溶剂溶解并混合均匀,将脂质RL和STING激动剂DA使用有机溶剂溶解并混合均匀,去除混合溶液中的有机溶剂;向脂质膜中加入水相溶液进行水合,形成粗脂质体悬浮液,使用超声‑挤出法将类囊体膜TK融合到脂质体上,得到脂质体产品。与现有技术相比,本发明制备的脂质体可以将DA高效递送至胰腺癌深部,激活多种细胞STING通路及免疫应答,缓解乏氧,改善乏氧导致的免疫抑制,从而增强DA的免疫治疗效果。
Resumen de: CN120459319A
本发明涉及肿瘤治疗技术领域,尤其涉及一种纳米综合体及其制备方法和应用。本发明提供的纳米综合体包括中空介孔二氧化硅、掺杂在所述中空介孔二氧化硅壳体骨架中的碳氟链、装载在所述中空介孔二氧化硅空腔内的CaO2、以及通过生物膜仿生涂层修饰在所述中空介孔二氧化硅表面的CD105靶向配体。进一步的,所述中空介孔二氧化硅的空腔内还可以包括Toll样受体7/8双激动剂。本发明提供的纳米综合体不但能够有效缓解肿瘤乏氧和酸性微环境,还能够通过免疫调节增强抗肿瘤免疫反应,提高肿瘤治疗效果。而且,能够精准靶向肿瘤组织,提高药物在肿瘤部位的积累,减少对正常组织的副作用。
Resumen de: CN120459330A
本发明属于生物医药领域,涉及一种S‑SNACs@TPZ@Cas‑A纳米颗粒及其制备方法和在协同抗肿瘤中的应用。本发明构建了S‑SNACs@TPZ@Cas‑A级联响应纳米平台,实现基因编辑与低氧靶向治疗的协同抗肿瘤策略。S‑SNACs@TPZ@Cas‑A在GSH和NTR作用下精准释放Cas9‑RNP和TPZ,成功敲除AMFR,抑制FAM134B泛素化,阻断内质网自噬,并显著削弱肿瘤细胞的增殖、迁移能力,增强氧化应激水平。体内实验显示,该纳米系统有效抑制肿瘤生长、减少肺转移,并通过增强CD8+T细胞和树突状细胞浸润,改善免疫微环境,同时表现出良好的生物安全性。
Resumen de: KR20230169867A
The present invention relates to a drug-loaded thermosensitive poly(organophosphazene) polymer and a pharmaceutical composition for preventing or treating inflammatory diseases comprising the same. An injectable polymer nanoparticle hydrogel system comprising the hydrogel has a long-term anti-inflammatory effect and a sustained release effect of a drug at a therapeutically effective concentration, thereby being used for preventing and treating various inflammatory diseases such as osteoarthritis.
Resumen de: WO2024033546A1
Magnetic polymer nanocapsules and their use in anti-cancer therapy have been disclosed, which are core-shell polymer nanocapsules carrying hydrophobic active substances, containing magnetic iron oxide nanoparticles.
Resumen de: CN120459055A
本发明属于纳米酶制备和生物应用领域,具体涉及M2型巨噬细胞膜包裹的FeMn双原子纳米酶的制备方法及应用。通过静电纺丝技术,以氮掺杂碳(BANT)为载体,负载Fe和Mn双原子,合成新型的纳米材料FeMnDA/BCNT双原子纳米酶,然后从天然巨噬细胞中提取巨噬细胞膜,并将其包裹在FeMnDA/BCNT纳米材料上,最终形成M2型巨噬细胞膜包裹的纳米颗粒,即MMFeMnDA/BCNT。本申请制备的MMFeMnDA/BCNT纳米酶具有良好的生物安全性和模拟SOD和CAT酶活性,通过清除H2O2诱导的软骨细胞中过量的ROS,降低炎症因子的表达,从而抑制氧化应激对软骨细胞的损伤。MMFeMnDA/BCNT纳米酶尚未被用于OA的治疗,本发明不仅为双原子纳米酶的进一步应用和扩展提供了科学依据,也为未来治疗骨关节炎和氧化应激相关慢性疾病提供了有效策略和新思路。
Resumen de: CN120459054A
本申请提出一种合成外泌体及其制备方法和应用,将干的细胞膜与包含活性物质和miRNA的缓冲液混合,超声混均;经高压均质、挤出后得到所述合成外泌体;以细胞膜为原材料相比于磷脂和胆固醇的组合,得到的外泌体的稳定性更高;而使用干的细胞膜,相比于湿膜,形成的外泌体具有更好的包载性能。
Resumen de: CN120459182A
一种治疗风湿性关节炎的中药透皮贴的制备方法,可有效解决制备新的中药透皮贴,确保长效、稳定,效果好,治疗风湿性关节炎的用药问题,该中药透皮贴是由中药复方、基质和促渗剂制成,中药复方和基质是由独活、防风、秦艽、川芎、当归、透骨草、赤芍、羌活、水性凝胶和甘油;所述的促渗剂为薄荷醇、冰片、人工麝香和余量为去离子水组成,先萃取原料药,然后制备纳米粒子,再制备第一混合物,再制备第二混合物,调节pH值,涂布,即得治疗风湿性关节炎的中药透皮贴。组分科学合理,贴用方便效果好,长效、稳定的释放药物有效成分,靶向性强,持续缓解风湿性关节炎症状,确保疗效,是治疗风湿性关节炎药物上的一大创新,经济和社会效益显著。
Resumen de: CN120459052A
本发明涉及医药技术领域,特别是涉及一种含异鼠李素和CRISPR Cas9质粒的递送制剂及其制备方法和应用。本发明使用聚乳酸‑羟基乙酸共聚物作为递送制剂的内壳材料,包裹疏水性药物异鼠李素,将脂溶性药物异鼠李素制成了亲水性制剂,解决了异鼠李素成药难的问题;通过使用聚乙烯亚胺作为递送制剂的中间层材料,负载CRISPR Cas9质粒,实现基因高效负载,并特异敲除ACSL4基因,抑制铁死亡;通过使用2,3‑二甲基马来酸酐官能化多聚‑L‑赖氨酸作为递送制剂的中间层材料,引入了电荷反转特性;通过使用乏氧视网膜前体细胞膜作为递送制剂的外壳材料,具有良好的生物相容性以及视网膜靶向作用。
Resumen de: CN120459056A
本发明公开了吉非罗齐‑胡椒碱纳米结构脂质载体及其制备方法和应用,属于医药技术领域。本发明公开的吉非罗齐‑胡椒碱纳米结构脂质载体及其制备方法和应用,首次将吉非罗齐和胡椒碱包载于纳米结构脂质载体中,在改善难溶性药物溶解度的同时,增强了吉非罗齐的降脂效果,减少其不良反应的发生;同时控制制备工艺以实现药物的缓释效果,减少给药次数,提高患者的顺应性,为降脂药物制剂的开发及临床应用提供参考。
Nº publicación: CN120459051A 12/08/2025
Solicitante:
苏州慧疗生物医药科技有限公司
Resumen de: CN120459051A
本发明提供一种用于瘤内递送的组合物、抗肿瘤疫苗及其应用,本发明瘤内递送载体可以实现原位递送表达,并同时包裹mRNA、circRNA、siRNA及小分子化合物等药物,实现多种药物同时递送。本方法制备的多细胞因子z治疗性药物可实现体内外T细胞活化,瘤内注射具有显著的抗肿瘤效果。本方法制备的小核酸药物可实现体内外目的基因敲降,瘤内注射后显著降低肿瘤细胞目的基因表达水平。本方法制备的瘤内递送化合物的脂质纳米颗粒可实现体内外多种肿瘤细胞杀伤,瘤内注射后具有显著的抗肿瘤效果,具有良好的前景和实用价值,为瘤内治疗药物在肿瘤治疗领域中的开发提供了新思路。