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- Title
Study of Oncolytic Virus Preservation and Formulation.
- Authors
Pan, Lina; Liu, Xiyu; Fan, Dianfa; Qian, Zhangbo; Sun, Xinjun; Wu, Pan; Zhong, Liping
- Abstract
In recent years, oncolytic viruses (OVs) have emerged as an effective means of treating cancer. OVs have multiple oncotherapeutic functions including specifically infecting and lysing tumor cells, initiating immune cell death, attacking and destroying tumor angiogenesis and triggering a broad bystander effect. Oncolytic viruses have been used in clinical trials and clinical treatment as drugs for cancer therapy, and as a result, oncolytic viruses are required to have long-term storage stability for clinical use. In the clinical application of oncolytic viruses, formulation design plays a decisive role in the stability of the virus. Therefore, this paper reviews the degradation factors and their degradation mechanisms (pH, thermal stress, freeze–thaw damage, surface adsorption, oxidation, etc.) faced by oncolytic viruses during storage, and it discusses how to rationally add excipients for the degradation mechanisms to achieve the purpose of maintaining the long-term stability of oncolytic viral activity. Finally, the formulation strategies for the long-term formulation stability of oncolytic viruses are discussed in terms of buffers, permeation agents, cryoprotectants, surfactants, free radical scavengers, and bulking agent based on virus degradation mechanisms.
- Subjects
RADIATION-induced bystander effect; FREE radical scavengers; DRUG therapy; THERMAL stresses; CANCER treatment; KAPOSI'S sarcoma-associated herpesvirus
- Publication
Pharmaceuticals (14248247), 2023, Vol 16, Issue 6, p843
- ISSN
1424-8247
- Publication type
Article
- DOI
10.3390/ph16060843