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A Phase 1, Dose-finding and Signal-seeking Study of the Safety and Efficacy of Intravenous CAVATAK(Coxsackievirus A21, CVA21) Alone and in Combination With Pembrolizumab in Patients With Late Stage Solid Tumours (NSCLC, Castrate-resistant Prostate Cancer, Melanoma, Bladder Cancer).
The purpose of this trial is to assess the ability of CVA21, either alone (Part A) or in combination with pembrolizumab (Part B), to reach and to replicate in existing tumors (while sparing normal cells) and to establish a safe multi-dose schedule of the virus for the treatment of solid tumors where enhanced expression of ICAM-1 and/ or DAF receptor occurs.
This trial consists of 2 sequential parts: VLA-009 (Part A) conducted only in the UK and employed CVA21 as a monotherapy in NSCLC, castrate-resistant prostate cancer, melanoma and bladder cancer. VLA-009 (Part B) conducted in the US, AUS and UK employs CVA21 with pembrolizumab in NSCLC and bladder cancer.
Both VLA-009A and VLA-009B are open-label, multi-center, ascending dose escalation (3+3 design) dose-finding and signal-seeking studies.
Part A of the study is now complete and closed to enrolment. Part B is currently enrolling.