大规格冻干制剂的挑战归根结底源于“传热传质的尺度效应”——装量越高、饼层越厚,水蒸气逸出路径越长,冻干效率与产品质量的矛盾就越突出。解决之道在于从经验试错走向科学驱动:通过受控成核解决冰晶随机性,借助退火优化冰晶结构,采用分段升华匹配传热传质规律。三者有机结合,方能在放大产能的同时守住质量底线,实现“做得快”与“做得好”的统一。参考文献:Cheng Y, et al. Practical advice in the development of a lyophilized protein drug product.Antib Ther. 2024;8(1):13-25.Gao H, et al. Contradictory Effects of Different Freezing Rates on Visible Bubbles and Reconstitution Time during the Reconstitution of Freeze-Dried High-Concentration Monoclonal Antibody Formulations.Mol Pharm. 2025;22(12):7664-7673.Juckers A, Knerr P, Harms F, Strube J. Effect of the Freezing Step on Primary Drying Experiments and Simulation of Lyophilization Processes.Processes. 2023;11(5):1404.Freeze-Drying as a Tool for Preparing Porous Materials: From Proof of Concept to Recent Pharmaceutical Applications.AAPS PharmSciTech. 2025;26(5).Sane P, et al. Reconstitution of Highly Concentrated Lyophilized Proteins: Part 1 Amorphous Formulations.J Pharm Sci. 2020;109(5):1681-1691.Sane P, et al. Reconstitution Time for Highly Concentrated Lyophilized Proteins: Role of Formulation and Protein.J Pharm Sci. 2020.Luo WC, et al. Impact of controlled ice nucleation and lyoprotectants on nanoparticle stability during Freeze-drying and upon storage.Int J Pharm. 2023;641:123084.一种注射用还原型谷胱甘肽的新冻干方法: CN103585018A[P]. 2014-02-19.王雅琦, 张欣, 阳秀平, 等. 一种注射用伏立康唑的制备方法. 中国专利: CN111700864B. 2020.Schneid S C, Cohrs M, Lenger J H. Scaling up controlled nucleation in freeze drying: Translating vacuum-induced surface freezing from laboratory to GMP[J].European Journal of Pharmaceutical Sciences, 2025, 204: 106968.