Review Article

Systemic Delivery of Oncolytic Viruses: Hopes and Hurdles

Table 2

Ongoing or pending clinical trials using systemically delivered oncolytic viruses for the treatment of solid tumours.

Viral agentVirus speciesModificationsCancer typePatient No.Treatment regimeStatusReferences

MV-NISoncolytic measles virus—Edmonston vaccine strainTransgene: thyroidal sodium iodide symporterRecurrent or refractory multiple myelomaEst 54 Enrolment closes June 2012Phase I trial Safe and dose escalation study of vaccine therapy when given with or without cyclophosphamideRecruitinghttp://www.clinicaltrials.gov/ Mayo Clinic NCT00450814

JX-594Vaccinia—WyethTK-ve Transgene inserted in TK region hGM-CSF (pE/L) and Lac-Z (p7.5)Metastatic colorectal carcinomaEst 20 Not open for enrolment yetNeoadjuvant Phase 2a trial IV or IT injection followed by surgical resection of metastatic hepatic depositsNot yet openhttp://www.clinicaltrials.gov/ Jennerex Biotherapeutics, Inc. NCT01329809

JX-594Vaccinia—WyethTK-ve Transgene inserted in TK region hGM-CSF (pE/L) and Lac-Z (p7.5)Metastatic colorectal carcinoma refractory to or intolerant of oxaliplatin, irinotecan, and ErbituxEst 15 Enrolment closes June 2012Phase 1b dose escalation study IV injection biweekly (to evaluate the safety and tolerability of JX-594)Results pendinghttp://www.clinicaltrials.gov/ Jennerex Biotherapeutics, Inc. NCT01380600

ReolysinReovirus—type 3 DearingWild-typeMetastatic or recurrent SCC of H&NEst 280 enrolment closes Dec 2012Phase 3 IV administration in combination with paclitaxel and carboplatin versus chemotherapy treatment aloneRecruitinghttp://www.clinicaltrials.gov/ Oncolytics Biotech NCT01166542

ReolysinReovirus—type 3 DearingWild-typeRecurrent or persistent ovarian, fallopian Tube, or primary peritoneal cancerEst 110 enrolment closes December 2012Phase II weekly paclitaxel versus weekly paclitaxel with IV ReovirusRecruitinghttp://www.clinicaltrials.gov/ Gynecologic Oncology GroupNCT01199263

ReolysinReovirus—type 3 DearingWild-typeRecurrent or metastatic pancreatic cancerEst 70 enrolment closes December 2013Phase II carboplatin, paclitaxel plus Reovirus versus carboplatin and paclitaxelRecruitinghttp://www.clinicaltrials.gov/ Arthur G. James Cancer Hospital & Richard J. Solove Research Institute NCT01280058