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Publication-only abstracts (abstract number preceded by an "e"), published in conjunction with the 2019 ASCO Annual Meeting but not presented at the Meeting, can be found online only.

The effects of wheatgrass juice administration in colon cancer patients during adjuvant chemotherapy and the treatment reflection on the extracellular vesicles.

Sub-category:
Health Promotion

Category:
Symptoms and Survivorship

Meeting:
2019 ASCO Annual Meeting

Abstract No:
e23045

Citation:
J Clin Oncol 37, 2019 (suppl; abstr e23045)

Author(s): Gil Bar-Sela, Adva Avisar, Talia Shentzer Kutiel, Miri Cohen, Anat Aharon; Emek Medical Center, Afula, Israel; Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel; Rambam Health Care Campus, Haifa, Israel; 3.Hematology Research Laboratory, Sourasky Medical Center, Tel Aviv, Tel-Aviv, Israel

Abstract Disclosures

Abstract:

Background: Adjuvant chemotherapy is recommended in stage II-III colorectal cancer (CC). Wheatgrass juice (WGJ), has high nutritional values may attenuate chemotherapy adverse events (AE). Extracellular vehicles (EVs) are subcellular membrane blebs that provide information on cellular processes. Aim: To evaluate the incidence of chemotherapy AE and to elucidate the effects of supportive treatment of WGJ on CC patients’ EVs characteristics. Methods: In a prospective trial between 3/2014- 7/2017, 99 patients stage II-III CC, treated with standard adjuvant chemotherapy were enrolled. According to patient preference, they were divided into: control group of 50 (CC-C) patients and intervention group of 49 patients who received chemotherapy plus consumption of daily 60cc frozen WGJ (CC-W). EVs were isolated from the blood samples of 15 healthy controls (HC) and 25 patients from each study group. Blood samples were taken before, during and at the end of chemotherapy, EVs characterized by membrane antigens/cytokine content Results: Study groups were well balanced. Median follow-up time was 15 months. Eleven patients had died at the time of analysis, 3 in the WGJ and 8 in the control (p= 0.142). 11/50 (22%) and 8/49 (16.3%) had severe diarrhea in the control and WGJ groups, respectively (p= 0.47). There was no difference between the groups in RFS (HR = 1.19, p= 0.69). Higher levels of endothelial EVs (CD34+41, CD144), indicating vascular injury, were found in CC-C patients- compared to CC-W during and at the end of treatment. Increased EVs thrombogenicity in patients was documented, while EVs thrombogenicity was lowered in CC-W compared to CC-C during or at the end of treatment (TF, P = 0.029; TF/TF-pathway inhibitor (TFPI) ratio, p = 0.008; endothelial protein C receptor 0.005 and annexin-V 0.05). Following treatment, the majority of growth-factors/pro-inflammatory cytokines were found to be lower in CC-W than in CC-C. Conclusions: Daily consumption of WGJ during chemotherapy may reduce vascular damage and thrombogenicity. There was no statistical difference in overall survival. However, the large difference in death rate may relate to other long-standing effects of daily WGJ consumption. Clinical trial information: NCT01991080

 
Other Abstracts in this Sub-Category:

 

1. Effects of a structured intervention program to improve physical activity (PA) of adolescents and young adult cancer survivors (AYAs): Final results of the randomized Motivate AYA–MAYA trial.

Meeting: 2019 ASCO Annual Meeting Abstract No: 11518 First Author: Jannike Lisa Salchow
Category: Symptoms and Survivorship - Health Promotion

 

2. Association of obesity with breast cancer outcome in relation to cancer subtypes.

Meeting: 2019 ASCO Annual Meeting Abstract No: 11557 First Author: Ana Elisa Lohmann
Category: Symptoms and Survivorship - Health Promotion

 

3. Physiological and psychosocial effects of a highly structured exercise program on breast cancer survivorship.

Meeting: 2019 ASCO Annual Meeting Abstract No: 11558 First Author: Judy A. Tjoe
Category: Symptoms and Survivorship - Health Promotion

 

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