1
|
Vidal J, Muinelo L, Dalmases A, Jones F, Edelstein D, Iglesias M, Orrillo M, Abalo A, Rodríguez C, Brozos E, Vidal Y, Candamio S, Vázquez F, Ruiz J, Guix M, Visa L, Sikri V, Albanell J, Bellosillo B, López R, Montagut C. Plasma ctDNA RAS mutation analysis for the diagnosis and treatment monitoring of metastatic colorectal cancer patients. Ann Oncol 2018; 28:1325-1332. [PMID: 28419195 PMCID: PMC5834035 DOI: 10.1093/annonc/mdx125] [Citation(s) in RCA: 247] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background RAS assessment is mandatory for therapy decision in metastatic colorectal cancer (mCRC) patients. This determination is based on tumor tissue, however, genotyping of circulating tumor (ct)DNA offers clear advantages as a minimally invasive method that represents tumor heterogeneity. Our study aims to evaluate the use of ctDNA as an alternative for determining baseline RAS status and subsequent monitoring of RAS mutations during therapy as a component of routine clinical practice. Patients and methods RAS mutational status in plasma was evaluated in mCRC patients by OncoBEAM™ RAS CRC assay. Concordance of results in plasma and tissue was retrospectively evaluated. RAS mutations were also prospectively monitored in longitudinal plasma samples from selected patients. Results Analysis of RAS in tissue and plasma samples from 115 mCRC patients showed a 93% overall agreement. Plasma/tissue RAS discrepancies were mainly explained by spatial and temporal tumor heterogeneity. Analysis of clinico-pathological features showed that the site of metastasis (i.e. peritoneal, lung), the histology of the tumor (i.e. mucinous) and administration of treatment previous to blood collection negatively impacted the detection of RAS in ctDNA. In patients with baseline mutant RAS tumors treated with chemotherapy/antiangiogenic, longitudinal analysis of RAS ctDNA mirrored response to treatment, being an early predictor of response. In patients RAS wt, longitudinal monitoring of RAS ctDNA revealed that OncoBEAM was useful to detect emergence of RAS mutations during anti-EGFR treatment. Conclusion The high overall agreement in RAS mutational assessment between plasma and tissue supports blood-based testing with OncoBEAM™ as a viable alternative for genotyping RAS of mCRC patients in routine clinical practice. Our study describes practical clinico-pathological specifications to optimize RAS ctDNA determination. Moreover, OncoBEAM™ is useful to monitor RAS in patients undergoing systemic therapy to detect resistance and evaluate the efficacy of particular treatments.
Collapse
Affiliation(s)
- J Vidal
- Cancer Research Program, FIMIM Hospital del Mar, Barcelona, Spain.,Medical Oncology Department, Hospital del Mar, Barcelona
| | - L Muinelo
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - A Dalmases
- Pathology Department, Hospital del Mar, Barcelona
| | - F Jones
- Sysmex Inostics Inc., Mundelein, USA
| | | | - M Iglesias
- Cancer Research Program, FIMIM Hospital del Mar, Barcelona, Spain.,Pathology Department, Hospital del Mar, Barcelona
| | - M Orrillo
- Medical Oncology Department, Hospital del Mar, Barcelona
| | - A Abalo
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - C Rodríguez
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - E Brozos
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - Y Vidal
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - S Candamio
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - F Vázquez
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - J Ruiz
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - M Guix
- Medical Oncology Department, Hospital del Mar, Barcelona
| | - L Visa
- Medical Oncology Department, Hospital del Mar, Barcelona
| | - V Sikri
- Sysmex Inostics Inc., Mundelein, USA
| | - J Albanell
- Cancer Research Program, FIMIM Hospital del Mar, Barcelona, Spain.,Medical Oncology Department, Hospital del Mar, Barcelona.,Universitat Pompeu Fabra, Barcelona, Spain
| | - B Bellosillo
- Medical Oncology Department, Hospital del Mar, Barcelona.,Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - R López
- Traslational Medical Oncology Group (Oncomet)/Liquid Biopsy Analysis Unit, Health Research Institute of Santiago (IDIS), Complexo Hospitalario Universitario de Santiago de Compostela (SERGAS) CIBERONC, Santiago de Compostela
| | - C Montagut
- Cancer Research Program, FIMIM Hospital del Mar, Barcelona, Spain.,Medical Oncology Department, Hospital del Mar, Barcelona
| |
Collapse
|
2
|
Guillen-Ponce C, Lopez R, Macarulla T, Rivera F, Cubillo A, Carrato A, Brozos E, Sauri Nadal T, López C, Hidalgo M. A Phase (Ph) I/II Trial to Evaluate the Efficacy (E) and Safety (S) of Nab-Paclitaxel (Nab-P) in Combination (Co) with Gemcitabine (G) for the Treatment (Tr) of Frail (Fr) Patients (P) with Advanced or Metastatic Pancreatic Cancer (Apc): Safety Results of the Phase I Trial. Ann Oncol 2014. [DOI: 10.1093/annonc/mdu334.85] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
3
|
Romero-Ventosa E, Rodríguez MR, Costas SG, GonzÁlez-PiÑeiro A, Blanco-Prieto S, Cadena MPDL, Santos IA, Enriquez BL, Ferran BB, Brozos E. Mutations in the Epidermal Growth Factor Receptor Gene in Non-Small-Cell Lung Cancer Patients and Egfr Serum Levels. Ann Oncol 2012. [DOI: 10.1016/s0923-7534(20)32802-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
|