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Probiotics Combined With Standard Chemotherapy Plus Targeted Therapy in Patients With Metastatic Colorectal Cancer

ABSTRACT: Bifico (also known as "bifidobacterium trifidum live powder") is a probiotic preparation that has been marketed and widely used in China. The number of live bacteria of lactobacillus acidophilus and bifidobacterium per gram should not be less than 1.0×107CFU. At present, it is mainly used for diarrhea and abdominal distension caused by intestinal flora imbalance. It can also be used for treating mild to moderate acute diarrhea and chronic diarrhea. Lactobacillus acidophilus and bifidobacteria have been fully proved in basic studies to improve gut microbiological environment and inhibit colorectal cancer. A recent paper published by Nature Biomedical Engineering reported that chemotherapy can effectively enhance the efficacy of colon cancer by regulating intestinal flora. Based on the above evidence, we propose that the current standard chemotherapy plus targeted therapy regimen combined with Bifico can exert a more powerful synergistic anticancer effect. To sum up, this study put forward innovative joint regulating intestinal flora environment with standard chemotherapy and target therapy of new concept and mode, to assess Bifico combined with standard chemotherapy plus targeted therapy compared to standard chemotherapy plus targeted therapy for efficacy and safety of metastatic colorectal cancer, combined with the intestinal flora, probiotics patient blood DNA analysis, etc. New technology, explore flora index correlation with the prognosis of patients’ immune system function, and its potential as a predictive marker. It is worth noting that this study will closely combine the current most advanced intestinal flora 16S microbial polymorphism detection and single-cell sequencing technology, so as to truly achieve accurate and individualized treatment, evaluation and prognosis prediction.

DISEASE(S): Unresectable Metastatic Colorectal Cancer,Colorectal Neoplasms

PROVIDER: 2319523 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Intervention 1: group two take a combination of probiotic and honey (two probiotic capsules and 30 grams honey per day, one capsule and 15 grams honey in the morning after breakfast and another one capsule in the evening, and 15 grams honey at night). Intervention 2: group three are the control group receive two placebo capsules (containing 500 mg of corn starch) per day, one capsule in the morning after breakfast and another one in the evening. Intervention 3: group one take probiotics )contained: Lactobacillus casei 1.5 × 109 CFU, Lactobacillus acidophilus 1.5 × 1010 CFU, Lactobacillus rhamnosus 3.5 × 109 CFU, Lactobacillus bulgaricus 2.5 × 108 CFU, Bifidobacterium breve 1 × 1010 CFU, Bifidobacterium longum 5 × 108 CFU and Streptococcus thermophilus 1.5 × 108 CFU per 500 mg(; two probiotic capsules per day, one capsule in the morning after breakfast and another one in the evening.;Treatment - Drugs;Treatment - Drugs;Treatment - Drugs;group two take a combination of probiotic and honey (two probiotic capsules and 30 grams honey per day, one capsule and 15 grams honey in the morning after breakfast and another one capsule in the evening, and 15 grams honey at night);group three are the control group receive two placebo capsules (containing 500 mg of corn starch) per day, one capsule in the morning after breakfast and another one in the evening;group one take probiotics )contained: Lactobacillus casei 1.5 × 109 CFU, Lactobacillus acidophilus 1.5 × 1010 CFU, Lactobacillus rhamnosus 3.5 × 109 CFU, Lactobacillus bulgaricus 2.5 × 108 CFU, Bifidobacterium breve 1 × 1010 CFU, Bifidobacterium longum 5 × 108 CFU and Streptococcus thermophilus 1.5 × 108 CFU per 500 mg(; two probiotic capsules per day, one capsule in the morning after breakfast and another one in the evening Primary outcome(s): Diarrhea grade. Timepoint: Weekly from one week before radiotherapy until end of treatment. Method of measurement: Common Toxicity Criteria system.;Stool consistency score. Timepoint: Weekly from one week before radiotherapy until end of treatment. Method of measurement: Bristol scales.;Blood cell counts. Timepoint: Weekly from one week before radiotherapy until end of treatment. Method of measurement: cell counter machine.;Serum IgA level. Timepoint: Weekly from one week before radiotherapy until end of treatment. Method of measurement: Autoanalyzer machine. Study Design: Randomization: Randomized, Blinding: Not blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment.

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Probiotics Combined With Standard Chemotherapy Plus Targeted Therapy in Patients With Metastatic Colorectal Cancer

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