(1)Weller, M.; Wick, W.; Aldape, K.; Brada, M.; Berger, M.; Pfister, S. M.; Nishikawa, R.; Rosenthal, M.; Wen, P. Y.; Stupp, R.; Reifenberger, G. Glioma. Nat. Rev. Dis. Primer 2015, 1 (1), 15017. https://doi.org/10.1038/nrdp.2015.17.(2)Stupp, R.; Weller, M.; Belanger, K.; Bogdahn, U.; Ludwin, S. K.; Lacombe, D.; Mirimanoff, R. O. Radiotherapy plus Concomitant and Adjuvant Temozolomide for Glioblastoma. N. Engl. J. Med. 2005.(3)Molinaro, A. M.; Taylor, J. W.; Wiencke, J. K.; Wrensch, M. R. Genetic and Molecular Epidemiology of Adult Diffuse Glioma. Nat. Rev. Neurol. 2019, 15 (7), 405–417. https://doi.org/10.1038/s41582-019-0220-2.(4)Cohen, M. H.; Shen, Y. L.; Keegan, P.; Pazdur, R. FDA Drug Approval Summary: Bevacizumab (Avastin®) as Treatment of Recurrent Glioblastoma Multiforme. The Oncologist 2009, 14 (11), 1131–1138. https://doi.org/10.1634/theoncologist.2009-0121.(5)Ornelas, A. S.; Porter, A. B.; Sharma, A.; Knox, M. G.; Marks, L. A.; Wingerchuk, D. M.; O’Carroll, C. B. What Is the Role of Tumor-Treating Fields in Newly Diagnosed Glioblastoma? The Neurologist 2019, 24 (2), 71–73. https://doi.org/10.1097/NRL.0000000000000222.(6)Rominiyi, O.; Vanderlinden, A.; Clenton, S. J.; Bridgewater, C.; Al-Tamimi, Y.; Collis, S. J. Tumour Treating Fields Therapy for Glioblastoma: Current Advances and Future Directions. Br. J. Cancer 2021, 124 (4), 697–709. https://doi.org/10.1038/s41416-020-01136-5.(7)Zeng, J.; Li, X.; Sander, M.; Zhang, H.; Yan, G.; Lin, Y. Oncolytic Viro-Immunotherapy: An Emerging Option in the Treatment of Gliomas. Front. Immunol. 2021, 12, 721830. https://doi.org/10.3389/fimmu.2021.721830.(8)Todo, T.; Ito, H.; Ino, Y.; Ohtsu, H.; Ota, Y.; Shibahara, J.; Tanaka, M. Intratumoral Oncolytic Herpes Virus G47∆ for Residual or Recurrent Glioblastoma: A Phase 2 Trial. Nat. Med. 2022, 28 (8), 1630–1639. https://doi.org/10.1038/s41591-022-01897-x.(9)Tian, Y.; Xie, D.; Yang, L. Engineering Strategies to Enhance Oncolytic Viruses in Cancer Immunotherapy. Signal Transduct. Target. Ther. 2022, 7 (1), 117. https://doi.org/10.1038/s41392-022-00951-x.(10)Fudaba, H.; Wakimoto, H. Oncolytic Virus Therapy for Malignant Gliomas: Entering the New Era. Expert Opin. Biol. Ther. 2023, 23 (3), 269–282. https://doi.org/10.1080/14712598.2023.2184256.(11)Maroun, J.; Muñoz-Alía, M.; Ammayappan, A.; Schulze, A.; Peng, K.-W.; Russell, S. Designing and Building Oncolytic Viruses. Future Virol. 2017, 12 (4), 193–213. https://doi.org/10.2217/fvl-2016-0129.(12)Stojdl, D. F.; Lichty, B.; Knowles, S.; Marius, R.; Atkins, H.; Sonenberg, N.; Bell, J. C. Exploiting Tumor-Specific Defects in the Interferon Pathway with a Previously Unknown Oncolytic Virus. Nat. Med. 2000, 6 (7), 821–825. https://doi.org/10.1038/77558.(13)Strong, J. E. The Molecular Basis of Viral Oncolysis: Usurpation of the Ras Signaling Pathway by Reovirus. EMBO J. 1998, 17 (12), 3351–3362. https://doi.org/10.1093/emboj/17.12.3351.(14)Chandramohan, V.; Bryant, J. D.; Piao, H.; Keir, S. T.; Lipp, E. S.; Lefaivre, M.; Perkinson, K.; Bigner, D. D.; Gromeier, M.; McLendon, R. E. Validation of an Immunohistochemistry Assay for Detection of CD155, the Poliovirus Receptor, in Malignant Gliomas. Arch. Pathol. Lab. Med. 2017, 141 (12), 1697–1704. https://doi.org/10.5858/arpa.2016-0580-OA.(15)Kaufman, H. L.; Kohlhapp, F. J.; Zloza, A. Oncolytic Viruses: A New Class of Immunotherapy Drugs. Nat. Rev. Drug Discov. 2015, 14 (9), 642–662. https://doi.org/10.1038/nrd4663.(16)Elde, N. C.; Child, S. J.; Geballe, A. P.; Malik, H. S. Protein Kinase R Reveals an Evolutionary Model for Defeating Viral Mimicry. Nature 2009, 457 (7228), 485–489. https://doi.org/10.1038/nature07529.(17)Zamarin, D.; Holmgaard, R. B.; Subudhi, S. K.; Park, J. S.; Mansour, M.; Palese, P.; Merghoub, T.; Wolchok, J. D.; Allison, J. P. Localized Oncolytic Virotherapy Overcomes Systemic Tumor Resistance to Immune Checkpoint Blockade Immunotherapy. Sci. Transl. Med. 2014, 6 (226). https://doi.org/10.1126/scitranslmed.3008095.(18)De Graaf, J. F.; De Vor, L.; Fouchier, R. A. M.; Van Den Hoogen, B. G. Armed Oncolytic Viruses: A Kick-Start for Anti-Tumor Immunity. Cytokine Growth Factor Rev. 2018, 41, 28–39. https://doi.org/10.1016/j.cytogfr.2018.03.006.(19)Carpenter, A. B.; Carpenter, A. M.; Aiken, R.; Hanft, S. Oncolytic Virus in Gliomas: A Review of Human Clinical Investigations. Ann. Oncol. 2021, 32 (8), 968–982. https://doi.org/10.1016/j.annonc.2021.03.197.(20)Lauer, U. M.; Beil, J. Oncolytic Viruses: Challenges and Considerations in an Evolving Clinical Landscape. Future Oncol. Lond. Engl. 2022. https://doi.org/10.2217/fon-2022-0440.(21)Masemann, D.; Boergeling, Y.; Ludwig, S. Employing RNA Viruses to Fight Cancer: Novel Insights into Oncolytic Virotherapy. Biol. Chem. 2017, 398 (8), 891–909. https://doi.org/10.1515/hsz-2017-0103.(22)Durham, N. M.; Mulgrew, K.; McGlinchey, K.; Monks, N. R.; Ji, H.; Herbst, R.; Suzich, J.; Hammond, S. A.; Kelly, E. J. Oncolytic VSV Primes Differential Responses to Immuno-Oncology Therapy. Mol. Ther. J. Am. Soc. Gene Ther. 2017, 25 (8), 1917–1932. https://doi.org/10.1016/j.ymthe.2017.05.006.(23)Rehman, H.; Silk, A. W.; Kane, M. P.; Kaufman, H. L. Into the Clinic: Talimogene Laherparepvec (T-VEC), a First-in-Class Intratumoral Oncolytic Viral Therapy. J. Immunother. Cancer 2016, 4 (1), 53. https://doi.org/10.1186/s40425-016-0158-5.(24)Andtbacka, R. H. I.; Kaufman, H. L.; Collichio, F.; Amatruda, T.; Senzer, N.; Chesney, J.; Delman, K. A.; Spitler, L. E.; Puzanov, I.; Agarwala, S. S.; Milhem, M.; Cranmer, L.; Curti, B.; Lewis, K.; Ross, M.; Guthrie, T.; Linette, G. P.; Daniels, G. A.; Harrington, K.; Middleton, M. R.; Miller, W. H.; Zager, J. S.; Ye, Y.; Yao, B.; Li, A.; Doleman, S.; VanderWalde, A.; Gansert, J.; Coffin, R. S. Talimogene Laherparepvec Improves Durable Response Rate in Patients With Advanced Melanoma. J. Clin. Oncol. 2015, 33 (25), 2780–2788. https://doi.org/10.1200/JCO.2014.58.3377.(25)MacLean, A. R.; Ul-Fareed, M.; Robertson, L.; Harland, J.; Brown, S. M. Herpes Simplex Virus Type 1 Deletion Variants 1714 and 1716 Pinpoint Neurovirulence-Related Sequences in Glasgow Strain 17+ between Immediate Early Gene 1 and the ‘a’ Sequence. J. Gen. Virol. 1991, 72 (3), 631–639. https://doi.org/10.1099/0022-1317-72-3-631.(26)Brown, S. M.; Harland, J.; MacLean, A. R.; Podlech, J.; Clements, J. B. Cell Type and Cell State Determine Differential in Vitro Growth of Non-Neurovirulent ICP34.5-Negative Herpes Simplex Virus Types 1 and 2. J. Gen. Virol. 1994, 75 (9), 2367–2377. https://doi.org/10.1099/0022-1317-75-9-2367.(27)Ackermann, M.; Chou, J.; Sarmiento, M.; Lerner, R. A.; Roizman, B. Identification by Antibody to a Synthetic Peptide of a Protein Specified by a Diploid Gene Located in the Terminal Repeats of the L Component of Herpes Simplex Virus Genome. J. Virol. 1986, 58 (3), 843–850. https://doi.org/10.1128/jvi.58.3.843-850.1986.(28)Dolan, A.; McKie, E.; MacLean, A. R.; McGeoch, D. J. Status of the ICP34.5 Gene in Herpes Simplex Virus Type 1 Strain 17. J. Gen. Virol. 1992, 73 (4), 971–973. https://doi.org/10.1099/0022-1317-73-4-971.(29)McKie, E. A.; Brown, S. M.; MacLeant, A. R.; Grahamt, D. I. Histopathological Responses in the CNS Following Inoculation with a Non-Neurovirulent Mutant (1716) of Herpes Simplex Virus Type 1 (HSV 1): Relevance for Gene and Cancer Therapy. Neuropathol. Appl. Neurobiol. 1998, 24 (5), 367–372. https://doi.org/10.1046/j.1365-2990.1998.00133.x.(30)McKie, E. A.; MacLean, A. R.; Lewis, A. D.; Cruickshank, G.; Rampling, R.; Barnett, S. C.; Kennedy, P. G. E.; Brown, S. M. Selective in Vitro Replication of Herpes Simplex Virus Type 1 (HSV-1) ICP34.5 Null Mutants in Primary Human CNS Tumours - Evaluation of a Potentially Effective Clinical Therapy. Br. J. Cancer 1996, 74 (5), 745–752. https://doi.org/10.1038/bjc.1996.431.(31)Rampling, R.; Cruickshank, G.; Papanastassiou, V.; Nicoll, J.; Hadley, D.; Brennan, D.; Petty, R.; MacLean, A.; Harland, J.; McKie, E.; Mabbs, R.; Brown, M. Toxicity Evaluation of Replication-Competent Herpes Simplex Virus (ICP 34.5 Null Mutant 1716) in Patients with Recurrent Malignant Glioma. Gene Ther. 2000, 7 (10), 859–866. https://doi.org/10.1038/sj.gt.3301184.(32)Papanastassiou, V.; Rampling, R.; Fraser, M.; Petty, R.; Hadley, D.; Nicoll, J.; Harland, J.; Mabbs, R.; Brown, M. The Potential for Efficacy of the Modified (ICP 34.5Ϫ) Herpes Simplex Virus HSV1716 Following Intratumoural Injection into Human Malignant Glioma: A Proof of Principle Study. Gene Ther.(33)Harrow, S.; Papanastassiou, V.; Harland, J.; Mabbs, R.; Petty, R.; Fraser, M.; Hadley, D.; Patterson, J.; Brown, S. M.; Rampling, R. HSV1716 Injection into the Brain Adjacent to Tumour Following Surgical Resection of High-Grade Glioma: Safety Data and Long-Term Survival. Gene Ther. 2004, 11 (22), 1648–1658. https://doi.org/10.1038/sj.gt.3302289.(34)Mineta, T.; Rabkin, S. D.; Yazaki, T.; Hunter, W. D.; Martuza, R. L. Attenuated Multi–Mutated Herpes Simplex Virus–1 for the Treatment of Malignant Gliomas. Nat. Med. 1995, 1 (9), 938–943. https://doi.org/10.1038/nm0995-938.(35)Sundaresan, P.; Hunter, W. D.; Martuza, R. L.; Rabkin, S. D. Attenuated, Replication-Competent Herpes Simplex Virus Type 1 Mutant G207: Safety Evaluation in Mice. J. Virol. 2000, 74 (8), 3832–3841. https://doi.org/10.1128/JVI.74.8.3832-3841.2000.(36)Hunter, W. D.; Martuza, R. L.; Feigenbaum, F.; Todo, T.; Mineta, T.; Yazaki, T.; Toda, M.; Newsome, J. T.; Platenberg, R. C.; Manz, H. J.; Rabkin, S. D. Attenuated, Replication-Competent Herpes Simplex Virus Type 1 Mutant G207: Safety Evaluation of Intracerebral Injection in Nonhuman Primates. J. Virol. 1999, 73 (8), 6319–6326. https://doi.org/10.1128/JVI.73.8.6319-6326.1999.(37)Markert, J. M.; Medlock, M. D.; Rabkin, S. D.; Gillespie, G. Y.; Todo, T.; Hunter, W. D.; Palmer, C. A.; Feigenbaum, F.; Tornatore, C.; Tufaro, F.; Martuza, R. L. Conditionally Replicating Herpes Simplex Virus Mutant, G207 for the Treatment of Malignant Glioma: Results of a Phase I Trial. Gene Ther. 2000, 7 (10), 867–874. https://doi.org/10.1038/sj.gt.3301205.(38)Markert, J. M.; Razdan, S. N.; Kuo, H.-C.; Cantor, A.; Knoll, A.; Karrasch, M.; Nabors, L. B.; Markiewicz, M.; Agee, B. S.; Coleman, J. M.; Lakeman, A. D.; Palmer, C. A.; Parker, J. N.; Whitley, R. J.; Weichselbaum, R. R.; Fiveash, J. B.; Gillespie, G. Y. A Phase 1 Trial of Oncolytic HSV-1, G207, Given in Combination With Radiation for Recurrent GBM Demonstrates Safety and Radiographic Responses. Mol. Ther. 2014, 22 (5), 1048–1055. https://doi.org/10.1038/mt.2014.22.(39)Markert, J. M.; Liechty, P. G.; Wang, W.; Gaston, S.; Braz, E.; Karrasch, M.; Nabors, L. B.; Markiewicz, M.; Lakeman, A. D.; Palmer, C. A.; Parker, J. N.; Whitley, R. J.; Gillespie, G. Y. Phase Ib Trial of Mutant Herpes Simplex Virus G207 Inoculated Pre-and Post-Tumor Resection for Recurrent GBM. Mol. Ther. 2009, 17 (1), 199–207. https://doi.org/10.1038/mt.2008.228.(40)Markert, J.; Whisenhunt, T.; Rajneesh, K.; Hackney, J. Extended Disease-Free Interval of 6 Years in a Recurrent Glioblastoma Multiforme Patient Treated with G207 Oncolytic Viral Therapy. Oncolytic Virotherapy 2015, 33. https://doi.org/10.2147/OV.S62461.(41)Friedman, G. K.; Johnston, J. M.; Bag, A. K.; Bernstock, J. D.; Li, R.; Aban, I.; Kachurak, K.; Nan, L.; Kang, K.-D.; Totsch, S.; Schlappi, C.; Martin, A. M.; Pastakia, D.; McNall-Knapp, R.; Farouk Sait, S.; Khakoo, Y.; Karajannis, M. A.; Woodling, K.; Palmer, J. D.; Osorio, D. S.; Leonard, J.; Abdelbaki, M. S.; Madan-Swain, A.; Atkinson, T. P.; Whitley, R. J.; Fiveash, J. B.; Markert, J. M.; Gillespie, G. Y. Oncolytic HSV-1 G207 Immunovirotherapy for Pediatric High-Grade Gliomas. N. Engl. J. Med. 2021, 384 (17), 1613–1622. https://doi.org/10.1056/NEJMoa2024947.(42)Romero, D. HSV-1 G207 Is Active in Paediatric Glioma. Nat. Rev. Clin. Oncol. 2021, 18 (6), 321. https://doi.org/10.1038/s41571-021-00515-y.(43)York, I. A.; Roop, C.; Andrews, D. W.; Riddell, S. R.; Graham, F. L.; Johnson, D. C. A Cytosolic Herpes Simplex Virus Protein Inhibits Antigen Presentation to CD8+ T Lymphocytes. Cell 1994, 77 (4), 525–535. https://doi.org/10.1016/0092-8674(94)90215-1.(44)Todo, T.; Martuza, R. L.; Rabkin, S. D.; Johnson, P. A. Oncolytic Herpes Simplex Virus Vector with Enhanced MHC Class I Presentation and Tumor Cell Killing. Proc. Natl. Acad. Sci. 2001, 98 (11), 6396–6401. https://doi.org/10.1073/pnas.101136398.(45)Todo, T.; Ino, Y.; Ohtsu, H.; Shibahara, J.; Tanaka, M. A Phase I/II Study of Triple-Mutated Oncolytic Herpes Virus G47∆ in Patients with Progressive Glioblastoma. Nat. Commun. 2022, 13 (1), 4119. https://doi.org/10.1038/s41467-022-31262-y.