{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["6(1)"],"submitter":["Ressler JM"],"funding":["Amgen Limited","“Clinician Scientist Research Fellowship&quot; by the ÖGDV, the Austrian Society of Dermatology and Venereology"],"pubmed_abstract":["We present a single-arm, phase II, neoadjuvant trial with the oncolytic virus talimogene laherparepvec (T-VEC) in 18 patients with difficult-to-resect cutaneous basal cell carcinomas. The primary end point, defined as the proportion of patients, who after six cycles of T-VEC (13 weeks), become resectable without the need for plastic reconstructive surgery, was already achieved after stage I (9 of 18 patients; 50.0%); thus the study was discontinued for early success. The objective response rate was 55.6% and the complete pathological response rate was 33.3%. Secondary end points included safety, relapse-free survival and overall survival, time to occurrence of new basal cell carcinomas and biological read outs. Only mild adverse events occurred. The 6-month relapse-free survival and overall survival rates were 100%. In two patients a new basal cell carcinoma was diagnosed. T-VEC led to a significant increase in cytotoxic T cells (P = 0.0092), B cells (P = 0.0004) and myeloid cells (P = 0.0042) and a decrease in regulatory T cells (P = 0.0290) within the tumor microenvironment. Together, neoadjuvant T-VEC represents a viable treatment option for patients with difficult-to-resect basal cell carcinomas (EudraCT no. 2018-002165-19)."],"journal":["Nature cancer"],"pagination":["51-66"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11779647"],"repository":["biostudies-literature"],"pubmed_title":["Efficacy and tolerability of neoadjuvant therapy with Talimogene laherparepvec in cutaneous basal cell carcinoma: a phase II trial (NeoBCC trial)."],"pmcid":["PMC11779647"],"pubmed_authors":["Petzelbauer P","Silly T","Roka F","Shaw LE","Kusienicka A","Kunstfeld R","Hoeller C","Bachmayr V","Silmbrod R","Weninger W","Ressler JM","Koenig F","Tittes J","Plaschka M","Haslik W","Zila N","Halbritter F","Farlik M","Stepan A","Tschandl P"],"additional_accession":[]},"is_claimable":false,"name":"Efficacy and tolerability of neoadjuvant therapy with Talimogene laherparepvec in cutaneous basal cell carcinoma: a phase II trial (NeoBCC trial).","description":"We present a single-arm, phase II, neoadjuvant trial with the oncolytic virus talimogene laherparepvec (T-VEC) in 18 patients with difficult-to-resect cutaneous basal cell carcinomas. The primary end point, defined as the proportion of patients, who after six cycles of T-VEC (13 weeks), become resectable without the need for plastic reconstructive surgery, was already achieved after stage I (9 of 18 patients; 50.0%); thus the study was discontinued for early success. The objective response rate was 55.6% and the complete pathological response rate was 33.3%. Secondary end points included safety, relapse-free survival and overall survival, time to occurrence of new basal cell carcinomas and biological read outs. Only mild adverse events occurred. The 6-month relapse-free survival and overall survival rates were 100%. In two patients a new basal cell carcinoma was diagnosed. T-VEC led to a significant increase in cytotoxic T cells (P = 0.0092), B cells (P = 0.0004) and myeloid cells (P = 0.0042) and a decrease in regulatory T cells (P = 0.0290) within the tumor microenvironment. Together, neoadjuvant T-VEC represents a viable treatment option for patients with difficult-to-resect basal cell carcinomas (EudraCT no. 2018-002165-19).","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Jan","modification":"2026-06-01T12:55:42.187Z","creation":"2025-04-06T07:45:51.179Z"},"accession":"S-EPMC11779647","cross_references":{"pubmed":["39820126"],"doi":["10.1038/s43018-024-00879-x"]}}