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Study of the potential radioprotective effects of probiotic bacteria to mitigate gastrointestinal complications after conventional radiotherapy

ABSTRACT: Intervention 1: Intervention group: 1-Patients will take two capsules (daily) containing several probiotic strains from one week before the start of treatment until 10 days after the end of radiotherapy. Intervention 2: Intervention group: 2-Patients will take two capsules (daily) containing several probiotic strains from one week after the start of treatment to 10 days after the end of radiotherapy. Intervention 3: Control group: Two placebo capsules daily for ten days after the end of radiotherapy. Primary outcome(s): Quality of life. Timepoint: At the beginning of the study and 8 weeks after the intervention. Method of measurement: Questionnaire.;Gastrointestinal disorders. Timepoint: At the beginning of the study and 6 months after the intervention. Method of measurement: Clinical examination by an oncologist. Study Design: Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Other design features: Participants will take probiotics for up to ten days after completing radiotherapy, Randomization description: Participants are randomly assigned to three groups to receive probiotics one week before the start of radiotherapy (n = 20), one week after the start of radiotherapy (n = 20) or placebo (n = 20), Blinding description: Randomization will be hidden from researchers and participants until the statistical analysis is completed.Another person who has no role in this clinical trial and is not aware of random allocation gives the capsules to participants.

DISEASE(S): Condition 1: Colorectal Cancer. Condition 2: Colorectal Cancer,Malignant Neoplasm Of Rectum,Malignant Neoplasm Of Colon

PROVIDER: 2504274 | 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.

Project description:Beneficial effects of long-chain omega-3 polyunsaturated fatty acids (n-3 FAs) are generally well-known from epidemiological studies, but the various mechanisms of action are not completely clarified. Regulation of gene expression is one known mechanism of action, but only very limited data of regulated pathways in humans after n-3 FA supplementation are available. Up to now, no studies compared gene expression changes after n-3 FA supplementation between normolipidemic and dyslipidemic subjects. Therefore, the aim of this study was to investigate the effects of n-3 FA administration on whole genome expression profiles in the blood of normo- and dyslipidemic subjects. We conducted an intervention study with normo- and dyslipidemic men aged between 29 and 51 years, which were subdivided into four groups with a balanced age distribution and randomized to either six fish oil capsules per day providing 1.5 g docosahexaenoic acid and 1.0 g eicosapentaenoic acid or corn oil capsules rich in linoleic acid per day for a period of 12 weeks. Venous blood samples were collected at baseline as well as after 4 hours, 1 week and 12 weeks of supplementation. For each investigation time point, the samples of each group were pooled together to minimize inter-individual variability. All subjects have successfully completed the study, but for the microarray experiments, nine subject samples were excluded. Therefore, the microarray experiments are based on the following group characteristics: normolipidemic fish oil group (FO-N): pool of nine RNAs from normolipidemic subjects supplemented with fish oil; normolipidemic corn oil group (CO-N): pool of six RNAs from normolipidemic subjects supplemented with corn oil; dyslipidemic corn oil group (CO-D): pool of eight RNAs from dyslipidemic subjects supplemented with corn oil; dyslipidemic fish oil group (FO-D): pool of nine RNAs from dyslipidemic subjects supplemented with fish oil. The twenty normolipidemic and the twenty dyslipidemic subjects were subdivided into two groups. Thus, a total of four groups with ten men per group passed through the study. To realize a comparable mean age between groups, the formation of groups was performed by stratified allocation according to subject's age. The four study groups were randomly assigned to different study products by an uninvolved collaborator. Subjects ingested either six FO or six corn oil (CO) capsules per day for a period of twelve weeks. The daily n-3 PUFA intake via FO capsules was 2.7 g (1.14 g DHA and 1.56 g EPA). The predominant FA of the CO capsules was the omega-6 (n-6) PUFA linoleic acid (LA, 18:2n-6). Thus, the daily LA intake via CO capsules was 3.05 g LA. The subjects were instructed to ingest the capsules together with food, three in the morning and three in the evening, and to maintain their usual exercise and dietary habits throughout the intervention time. As an exception, at the first intervention day, all six capsules were ingested at the same time in the morning after a standardised breakfast. During each visit, fasting blood samples were collected by venepuncture. Additionally, participants completed a questionnaire to obtain information about changes in medication, dietary (e.g., changes in weekly fish intake, preferred fish dishes or species, respectively) and lifestyle habits (e.g., physical activity), as well as the tolerability of the capsules. This record summarizes the results of 16 microarrays. The samples originate from whole blood of normo- and dyslipidemic subjects supplemented with either fish oil or corn oil for 4 h, 1 week and 12 weeks. Microarrays were hybridized in a loop design with one common reference using a dye-swap approach.

Project description:Intervention 1: Intervention group: The intervention is Polypill V, which includes aspirin (81 mg), valsartan (40 mg), atrostatin (20 mg) and hydrochlorothiazide (5.12 mg). This pill is produced Alborzl Company and is taken once a day after dinner. Intervention 2: Control group: patients are followed for cardiovascular events. Primary outcome(s): Systolic and diastolic heart failure. Timepoint: 6 months and one year after the intervention. Method of measurement: Ecocardiography.;Symptomatic arrhythmia. Timepoint: 6 months and one year after the intervention. Method of measurement: Clinical symptoms, Ecocardiography.;Acute coronary syndromes. Timepoint: 6 months and one year after the intervention. Method of measurement: Ecocardiography.;Stroke. Timepoint: 6 months and one year after the intervention. Method of measurement: Brain CT scan.;Cardiovascular mortality. Timepoint: 6 months and one year after the intervention. Method of measurement: Death certificate. Study Design: Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: Stratified randomization is used for random allocation ofpatients. In breast cancer patients have three stratum : 1- The group that take anthracycline alone (60%) in which 78 people take drug and 78 people take usual care, 2- The group that take anthracycline and bevacizumab (20%) In this group, 26 people take drug and 26 people take usual care. 3 - The group that does not take anthracycline (20%) In this group, 26 people take drug and 26 people take usual care. In colon cancer patients have two stratum : 1 - Group that take chemotherapy (80%) In this group, 72 people take drug and 72 usual care. 2- Group that only undergoes surgery (20%) In this group, 18 people take drug and 18 people take usual care. Randomization is done using randomization software, the output of the software is from number 1 to 440, which indicates that each person who

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Study of the potential radioprotective effects of probiotic bacteria to mitigate gastrointestinal complications after conventional radiotherapy

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