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Poster Display session 2

5185 - Systemic administration of the hyaluronidase-expressing oncolytic adenovirus VCN-01 in patients with advanced or metastatic pancreatic cancer: first-in-human clinical trial

Date

29 Sep 2019

Session

Poster Display session 2

Topics

Tumour Site

Pancreatic Adenocarcinoma

Presenters

Rocio Garcia-Carbonero

Citation

Annals of Oncology (2019) 30 (suppl_5): v253-v324. 10.1093/annonc/mdz247

Authors

R. Garcia-Carbonero1, M. Gil Martín2, R. Alvarez Gallego3, T. Macarulla Mercade4, M.C. Riesco Martinez1, C. Guillen-Ponce5, N. Vidal6, F.X. Real7, R. Moreno8, V. Maliandi9, A. Mato-Berciano9, M. Bazan-Peregrino9, G. Capella2, R. Alemany8, E. Blasi9, C. Blasco9, M. Cascallo9, R. Salazar2

Author affiliations

  • 1 Medical Oncology, University Hospital 12 De Octubre, 28041 - Madrid/ES
  • 2 Medical Oncology, ICO - Institut Catala d'Oncologia Hospital Duran i Reynals, 08907 - Hospitalet de Llobregat/ES
  • 3 Medical Oncology, Hospital Madrid Norte San Chinarro Centro Integral Oncologico Clara Campal, 28050 - Madrid/ES
  • 4 Medical Oncology, Vall d'Hebron Institute of Oncology (VHIO)-Cellex Center, 08035 - Barcelona/ES
  • 5 Medical Oncology Department, Hospital Universitario Ramon y Cajal, 28031 - Madrid/ES
  • 6 Pathology, Hospital Universitari de Bellvitge, 08907 - Hospitalet de Llobregat/ES
  • 7 Molecular Oncology Programme, Centro Nacional de Investigaciones Oncologicas (CNIO), 28029 - Madrid/ES
  • 8 Lrt1/procure, Bellvitge Biomedical Research Institute (IDIBELL), 08908 - Hospitalet de Llobregat/ES
  • 9 R&d Department, VCN Biosciences, 08174 - Sant Cugat del Valles/ES

Resources

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Abstract 5185

Background

Expression of hyaluronidase from the selective oncolytic adenovirus VCN-01 modifies tumor matrix in pancreatic tumours. Such effect enhances gemcitabine uptake and induces potent immunomodulatory signals that could help recruit CD8+-T cells.

Methods

VCN-01 was administered as a single IV injection to 40 patients with ECOG 0-1 at doses ranging from 1E11 to 1E13 viral particles per patient (vp) as a single agent in patients with advanced solid tumors or in combination with gemcitabine/nab-paclitaxel in patients with advanced pancreatic adenocarcinoma using two independent administration regimens (concomitant or sequential). Blood levels of VCN-01 DNA and hyaluronidase together with several immunological markers and VCN-01 presence in paired tumor biopsies were measured. Response was assessed using RECIST v1.1 criteria.

Results

The most commonly reported VCN-01-associated adverse events of grade 3 or higher included transaminase increase, thrombocytopenia and neutropenia, accounting for 27% and 10% of patients respectively for the combination of VCN-01 with gemcitabine/nab-paclitaxel in the concomitant and the sequential regimen. Recommended Phase 2 Dose (RP2D) was 1E+13vp/patient both in monotherapy and in combination with chemotherapy in a sequential regimen whereas 3.3E+12vp was the RP2D for the concomitant regimen. VCN-01 reached and replicated in tumors when administered systemically. VCN-01 dose correlated with hyaluronidase positivity in sera and sustained viremia for over 3 weeks indicating replication. VCN-01 administration changed tumour environment into a more pro-inflammatory state, inducing CD8 T-cells infiltration and upregulation of IDO in 64% patients. RECIST evaluation resulted in a response rate between 40-45% ORR depending on regimen including a complete response and several partial responses.

Conclusions

VCN-01 shows a good safety profile when administered systemically in combination with the standard of care for pancreatic cancer. Its ability to reach systemically the tumours and modify tumour matrix to favour immune infiltration results in evidences of clinical activity.

Clinical trial identification

2012-005555-16.

Editorial acknowledgement

Legal entity responsible for the study

VCN Biosciences.

Funding

VCN Biosciences.

Disclosure

R. Garcia-Carbonero: Advisory / Consultancy: AAA; Advisory / Consultancy, Research grant / Funding (institution): Amgen; Advisory / Consultancy, Research grant / Funding (institution): Bayer; Advisory / Consultancy, Research grant / Funding (institution): BMS; Advisory / Consultancy, Research grant / Funding (institution): Ipsen; Advisory / Consultancy, Research grant / Funding (institution): Lilly; Advisory / Consultancy, Research grant / Funding (institution): Merck; Advisory / Consultancy, Research grant / Funding (institution): MSD; Advisory / Consultancy, Research grant / Funding (institution): Novartis; Advisory / Consultancy, Research grant / Funding (institution): Pharma Mar; Advisory / Consultancy, Research grant / Funding (institution): Pfizer; Advisory / Consultancy, Research grant / Funding (institution): Roche; Advisory / Consultancy, Research grant / Funding (institution): Sanofi; Advisory / Consultancy, Research grant / Funding (institution): Servier; Research grant / Funding (institution): ARMO Biosciences; Research grant / Funding (institution): AstraZeneca; Research grant / Funding (institution): Pharmacyclics; Research grant / Funding (institution): Boston Medicals; Research grant / Funding (institution): Boehringer; Research grant / Funding (institution): VCN Biosciences. M. Gil Martín: Speaker Bureau / Expert testimony: Roche; Speaker Bureau / Expert testimony: PharmaMar; Speaker Bureau / Expert testimony: AstraZeneca. R. Alvarez Gallego: Advisory / Consultancy: Celgene; Advisory / Consultancy, Research grant / Funding (institution): Shire. T. Macarulla Mercade: Advisory / Consultancy: Servier; Advisory / Consultancy: Shire; Advisory / Consultancy, Research grant / Funding (institution): Roche; Advisory / Consultancy: Sanofi; Advisory / Consultancy: Baxter; Advisory / Consultancy, Research grant / Funding (institution): Celgene; Research grant / Funding (institution): Agios; Research grant / Funding (institution): Aslan; Advisory / Consultancy: AstraZeneca; Research grant / Funding (institution): Bayer; Research grant / Funding (institution): Genentech; Research grant / Funding (institution): Halozyme; Research grant / Funding (institution): Immunomedics; Research grant / Funding (institution): Lilly; Research grant / Funding (institution): Merimarck; Research grant / Funding (institution): Millenium; Research grant / Funding (institution): Novartis; Research grant / Funding (institution): Pfizer; Research grant / Funding (institution): Pharmacyclics. M.C. Riesco Martinez: Speaker Bureau / Expert testimony: Merck. C. Guillen-Ponce: Research grant / Funding (institution): BeiGene; Research grant / Funding (institution): Incyte; Research grant / Funding (institution): PH Research; Research grant / Funding (institution): Novartis; Research grant / Funding (institution): Erytech Pharma; Research grant / Funding (institution): VCN Biosciences; Research grant / Funding (institution): Halozyme. N. Vidal: Research grant / Funding (institution): VCN Biosciences. F.X. Real: Speaker Bureau / Expert testimony: Roche; Research grant / Funding (institution): VCN Biosciences. V. Maliandi: Full / Part-time employment: VCN Biosciences. A. Mato-Berciano: Full / Part-time employment: VCN Biosciences. M. Bazan-Peregrino: Full / Part-time employment: VCN Biosciences. G. Capella: Advisory / Consultancy, Research grant / Funding (institution), Shareholder / Stockholder / Stock options: VCN Biosciences. R. Alemany: Advisory / Consultancy, Research grant / Funding (institution), Shareholder / Stockholder / Stock options: VCN Biosciences; Research grant / Funding (institution): Lokon Pharma; Research grant / Funding (institution): Mologen. E. Blasi: Full / Part-time employment: VCN Biosciences. C. Blasco: Full / Part-time employment: VCN Biosciences. M. Cascallo: Leadership role, Shareholder / Stockholder / Stock options, Full / Part-time employment, Officer / Board of Directors: VCN Biosciences. R. Salazar: Advisory / Consultancy, Research grant / Funding (institution): VCN Biosciences; Advisory / Consultancy: Agendia; Advisory / Consultancy: Guardiant Health; Advisory / Consultancy, Research grant / Funding (institution): Roche Diagnostics; Advisory / Consultancy: Ferrer; Advisory / Consultancy, Speaker Bureau / Expert testimony: Pfizer; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Novartis; Advisory / Consultancy: Ipsen; Advisory / Consultancy, Speaker Bureau / Expert testimony: Amgen; Advisory / Consultancy, Speaker Bureau / Expert testimony, Research grant / Funding (institution): Merck; Advisory / Consultancy, Research grant / Funding (institution): Roche Pharma; Advisory / Consultancy: Lilly; Advisory / Consultancy, Speaker Bureau / Expert testimony: MSD; Speaker Bureau / Expert testimony: AZD; Speaker Bureau / Expert testimony: Celgene; Leadership role, Shareholder / Stockholder / Stock options: Sace MedHealth; Research grant / Funding (institution): PsiOxus; Research grant / Funding (institution): Mologen. All other authors have declared no conflicts of interest.

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