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Effect of Saccharomyces boulardii CNCM I-745 on gut microbiota in patients undergoing antibiotic therapy (in the context of erythema migrans (early skin form of Lyme borreliosis) - SUBLYME
EU CTIS ID: 2023-508694-80-01
What this study is testing
To assess the effect of Saccharomyces boulardii CNCM I-745, an antibiotic, and their combination on the gut microbiota of patients receiving antibiotic (in the context of erythema migrans)
- Therapeutic use (Phase IV)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Adult Patients, ≥18 years old
- Who were prescribed antibiotic therapy (as per medical routine practices, amoxicillin 1000 mg bid for 14 days) in the context of erythema migrans (early skin form of Lyme borreliosis).
- Able to comply with study requirements and to provide signed informed consent before any study procedure.
- Has no condition that may interfere with the study assessments.
- Able to fulfil in the diary stool log, according to the physician’s opinion.
- Regular defecation (frequency and stool consistency, with at least about three bowel movements a week).
You likely can't join if
- History of hypersensitivity to the study treatments (active substance or excipients), brewer’s or baker’s yeast
- Severe hepatic or renal impairment
- Systemic antibacterial therapy during the 2 months prior to study enrollment
- New prescription medications during the 2 weeks prior to study enrollment
- AUse of any drug or product that alters gut microbiota or function, such as probiotics, laxatives, antiemetics, cisapride, antisecretory or adsorbent treatments (racecadotril, smectite, activated charcoal), opiates such as loperamide, atropine and other cholinergic agents, during 4 weeks prior to study enrollment and during the study
- Intake of antifungals within 14 days prior to study enrollment
See the full eligibility criteria
Who can join
- Adult Patients, ≥18 years old
- Who were prescribed antibiotic therapy (as per medical routine practices, amoxicillin 1000 mg bid for 14 days) in the context of erythema migrans (early skin form of Lyme borreliosis).
- Able to comply with study requirements and to provide signed informed consent before any study procedure.
- Has no condition that may interfere with the study assessments.
- Able to fulfil in the diary stool log, according to the physician’s opinion.
- Regular defecation (frequency and stool consistency, with at least about three bowel movements a week).
- For women of childbearing potential: -A negative urine pregnancy test immediately prior to starting the study treatment, -Agreement to comply with approved methods of contraception during the whole study: unless they meet the criteria of post-menopausal, i.e. 12 months of spontaneous amenorrhea, women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, including women whose career, lifestyle, or sexual orientation precludes intercourse with a male partner, should use one or more acceptable methods of contraception that should be maintained throughout the study)
What rules you out
- History of hypersensitivity to the study treatments (active substance or excipients), brewer’s or baker’s yeast
- Severe hepatic or renal impairment
- Systemic antibacterial therapy during the 2 months prior to study enrollment
- New prescription medications during the 2 weeks prior to study enrollment
- AUse of any drug or product that alters gut microbiota or function, such as probiotics, laxatives, antiemetics, cisapride, antisecretory or adsorbent treatments (racecadotril, smectite, activated charcoal), opiates such as loperamide, atropine and other cholinergic agents, during 4 weeks prior to study enrollment and during the study
- Intake of antifungals within 14 days prior to study enrollment
- Substantial changes in eating habits within 30 days prior to receiving the first dose of IMP product, and during the study as assessed by the Investigator
- History or presence of drug or alcohol abuse
- Heavy smoker (more than 10 cigarettes per day)
- Breast-feeding woman
- Patients enrolled in another interventional clinical trial where they received an investigation treatment within the past 30 days
- Contraindication and special warning to the study drugs according to the SmPCs
- Any condition or personal circumstance that, in the opinion of the investigator, rendered the subject unlikely or unable to comply with the full study protocol
- History of chronic constipation with passage of fewer than 3 spontaneous bowel movements per week on average
- History of chronic or recurrent diarrhoea with spontaneous unformed bowel movements equivalent to or more often than 3 times daily
- Prior gastrointestinal surgery (apart from appendectomy or cholecystectomy performed at least more than one year ago)
- History of Clostridium difficile infection
- Active gastrointestinal inflammatory disease
- Known chronic or recurrent systemic disorder that may interfere with the study drug evaluation
- Immunocompromised (organtransplants, leukaemia, malignant tumours, radiotherapy, chemotherapy,prolonged high dose cortisone treatment, immunosuppressant treament) or critically ill patients (such as autoimmune disease, HIV,…), patients with a central venous catheter
The study team makes the final eligibility decision.
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 65+ years, 18-64 years. The study team makes the final eligibility decision.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.