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Attend this session at the
2019 ASCO Annual Meeting!


Session: Gastrointestinal (Colorectal) Cancer

Type: Oral Abstract Session

Time: Saturday June 1, 3:00 PM to 6:00 PM

Location: Hall B1

Randomized phase III study comparing FOLFOX + bevacizumab versus folfoxiri + bevacizumab (BEV) as 1st line treatment in patients with metastatic colorectal cancer (mCRC) with ≥3 baseline circulating tumor cells (bCTCs).

Sub-category:
Advanced Disease

Category:
Gastrointestinal (Colorectal) Cancer

Meeting:
2019 ASCO Annual Meeting

Abstract No:
3507

Citation:
J Clin Oncol 37, 2019 (suppl; abstr 3507)

Author(s): Javier Sastre, Jose María Vieitez, Maria Auxilidora Gomez-España, Silvia Gil Calle, Antonieta Salud Salvia, Begoña Graña Suárez, Pilar Garcia-Alfonso, Eva Martinez de Castro, Guillermo Alfonso Quintero Aldana, Juan José Reina-Zoilo, Encarnación González Flores, Mercedes Salgado Fernández, Carmen Guillen, Rocio Garcia-Carbonero, Maria Jose Safont, Adelaida La Casta Munoa, Beatriz García de Paredes, Rafael Lopez, Enrique Aranda, Eduardo Díaz-Rubio, Spanish Cooperative Group for the Treatment of Digestive Tumors (TTD); Hospital Clínico San Carlos, Instituto de Investigación Hospital Clinico San Carlos (IdISSC), Madrid/Spain, CIBERONC, Madrid, Spain; Hospital Universitario Central de Asturias, Oviedo, Spain; IMIBIC, Reina Sofía Hospital, University of Córdoba, CIBERONC, Instituto de Salud Carlos III, Córdoba, Spain; H. Universitario y Regional y Virgen de la Victoria, Malaga, Spain; Hospital de Lleida Arnau de Vilanova, Lérida, Spain; University Hospital A Coruña, Sergas, Spain; Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain; Hospital Universitario Marqués de Valdecilla, Santander, Spain; Hospital Universitario Lucus Augusti, Lugo, Spain; Complejo Universitario Virgen de la Macarena, Sevilla, Spain; H. Virgen de las Nieves, Granada, Spain; Complexo Hospitalario Universitario de Ourense, Ourense, Spain; Hospital Universitario Ramón y Cajal, Madrid, Spain; Hospital Virgen del Rocío, Sevilla, Spain; Hospital General Universitario de Valencia, Valencia, Spain; Hospital Universitario Donostia, San Sebastian, Spain; Hospital Clínico San Carlos, Instituto de Investigación Hospital Clinico San Carlos (IdISSC), CIBERONC, Madrid, Spain; University Clinical Hospital and Health Research Institute (IDIS), CIBERONC, Santiago de Compostela University School of Medicine, Santiago De Compostela, Spain; IMIBIC, Reina Sofía Hospital, University of Córdoba, CIBERONC, Instituto de Salud Carlos III/ Spain, Córdoba, Spain

Abstract Disclosures

Abstract:

Background: FOLFOXIRI+BEV has demonstrated a survival benefit compared with FOLFIRI plus BEV (TRIBE Lancet Oncol 2015) in first-line mCRC. Nevertheless, due to its safety profile, this schedule is not recommended for all pts. In addition, we have showed that the detection of ≥3 bCTCs is a poor prognostic factor for survival (MACRO The Oncologist 2012). The VISNU-1 trial compares FOLFOX + BEV vs FOLFOXIRI + BEV in pts with mCRC and ≥3 bCTCs. Progression-free survival (PFS) is the primary endpoint. Secondary endpoints included overall response rate (ORR) and overall survival (OS). Methods: This is an open, multicentric, randomized phase III trial. Patients with mCRC younger than 70 years, ECOG 0-1 were randomized to FOLFOX+BEV (arm A) or FOLFOXIRI+BEV (arm B), stratified perKRAS mutation (mutated vs WT) and number of involved organs (1 vs >1). Results: 349 pts were included in the ITT population; 177 in group A and 172 in group B. Characteristics of the pts, molecular profiling and safety analysis have been previously presented at ASCO 2018 and showed that this schedule had an acceptable toxicity profile. Efficacy analysis in the ITT population is shown in the table. Conclusions: In this population with very bad prognosis, our study met its primary endpoint. Pts who received FOLFOXIRI + Bev benefit for a statistically significative PFS and ORR. OS showed a trend of benefit in the experimental arm. According to these results, FOLFOXIRI-Bev could be considered an adequate treatment option for pts with mCRC and ≥3 bCTCs. Clinical trial information: 2012-000846-37.

VariableFOLFOX + Bev
n=177
FOLFOXIRI + Bev
n= 172
p value
PFS (median in m)9.312.4P=0.0004
ORR (%)52.059.00.1685
OS (median in m)17.621.70.862

 
Other Abstracts in this Sub-Category:

 

1. Updated results of TRIBE2, a phase III, randomized strategy study by GONO in the first- and second-line treatment of unresectable mCRC.

Meeting: 2019 ASCO Annual Meeting Abstract No: 3508 First Author: Chiara Cremolini
Category: Gastrointestinal (Colorectal) Cancer - Advanced Disease

 

2. A randomized phase II trial of second-line CAPTEM versus FOLFIRI in MGMT methylated, RAS mutated metastatic colorectal cancer (mCRC) patients.

Meeting: 2019 ASCO Annual Meeting Abstract No: 3509 First Author: Filippo Pietrantonio
Category: Gastrointestinal (Colorectal) Cancer - Advanced Disease

 

3. Final results and OS of the randomized phase II VOLFI trial (AIO- KRK0109): mFOLFOXIRI + panitumumab versus FOLFOXIRI as first-line treatment in patients with RAS wild- type metastatic colorectal cancer (mCRC).

Meeting: 2019 ASCO Annual Meeting Abstract No: 3511 First Author: Michael Geissler
Category: Gastrointestinal (Colorectal) Cancer - Advanced Disease

 

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