Status and phase
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About
This study will be conducted at the Montreal Heart Institute and should involve 130 Type 2 diabetes subjects. Subjects will be randomized in a 1:1 ratio to receive either Bio-K+50B® probiotic capsules or a matching placebo.
Full description
This is a phase 2 double-blind, randomized, single-center, placebo-controlled, parallel-group 12-week study of Bio-K+ probiotic 50B® in subjects diagnosed with Type 2 diabetes (T2D) and suboptimal glycemic control.
After providing informed consent and completion of screening baseline assessments, approximately 130 subjects will be randomized in a 1:1 ratio to receive either Bio-K+50B® probiotic or matching placebo. Subjects will take investigational product or placebo once daily orally for 12 weeks.
During the double-blind treatment period, subjects will complete a daily diary and will be contacted via telephone (at Week 4 and Week 8) for an assessment of adverse events, concomitant medications, diabetes management habits, collection of stool sample at home, diary revision and study product compliance. At visit 3 (Week 12; end of study visit) subjects will return to the study site for laboratory tests and clinical assessment.
Enrollment
Sex
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Volunteers
Inclusion criteria
Subjects must meet ALL of the following inclusion criteria in order to be eligible for this study:
Exclusion criteria
A patient who meets any of the following criteria will NOT be eligible to the study:
Subjects unlikely to cooperate in the study;
Legal incapacity or limited legal capacity;
Women who are pregnant, planning to become pregnant during the study or breast-feeding. Women of childbearing potential must have a negative urine pregnancy test at screening. Women are considered not of childbearing potential if they:
Women of childbearing potential must agree to use an effective method of birth control throughout the study. Acceptable means of birth control include: implantable contraceptives, injectable contraceptives, oral contraceptives, transdermal contraceptives, intrauterine devices, diaphragm with spermicide, male or female condoms with spermicide or cervical cap, abstinence, or a sterile sexual partner.
Participation in a drug or device trial within the previous 30 days (or within 5 half-lives of the investigational drug, or within the time legally required by local regulatory authorities, whichever is the longest) or participation in such trial considered, or patient already enrolled in the study. Participation to observation registries is allowed;
Type 1 diabetes;
Gestational diabetes;
Diabetes secondary to:
Subjects whose medication for glycemic control has been changed in the past 3 months or whose medication is likely to be changed during the conduct of the study;
Chronic gastro-intestinal illness (e.g. Crohn's disease, ulcerative colitis, colon cancer);
Prior abdominal surgery that, in the investigator's opinion, may confound study outcomes;
Current treatment with nasogastric tube, ostomy, or parenteral nutrition;
Immunodeficiency;
Morbid obesity, as evidenced by Body Mass Index (BMI) ≥ 40;
Eating disorder;
Uncontrolled mental illness that could interfere with the conduct of the study;
Known pancreatic disease, other than diabetes mellitus;
Known severe renal disease (creatinine ≥200 micromoles per liter);
Known moderate or severe liver disease (enzymes alanine transaminase (ALT) or aspartate transaminase (AST) > 3 times upper normal limit);
Significant anemia defined as blood hemoglobin lower than 110 grams per liter (in males) or lower than 100 grams per liter (in females);
History of alcohol, medication or drug abuse;
History of smoking in the past 12 months;
Daily consumption of prebiotics and/or probiotics;
Daily consumption of fermented milk (more than 1 litre a day);
Known allergies to any substance in the study product or placebo;
Any serious disease likely to interfere with the conduct of the study or compromise subject safety;
Life expectancy shorter than 6 months;
Subjects requiring treatments which will not be tolerated in this study (refer to Appendix 2);
Lactose intolerance or allergy to cow's milk protein;
Any condition or therapy that the investigator believes might pose a risk to the patient or make participation in the study not in the patient's best interest; Chronic and regular usage of anti-inflammatory drugs and recent use (in the last three months) of oral antibiotics will not be tolerated in the context of this study because of their well-recognized modifying effect of the intestinal flora;
Known heart failure and/or left ventricular ejection fraction less than 30%;
Insulin therapy;
Taking a natural health product that may affect blood glucose levels such as chromium, cinnamon bark, or bitter melon product.
Primary purpose
Allocation
Interventional model
Masking
130 participants in 2 patient groups, including a placebo group
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Central trial contact
Danielle de Montigny, M.Sc.; Serge Carrière, MD
Data sourced from clinicaltrials.gov
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