Effectiveness and Safety of Lactobacillus Acidophilus LA85 in Preventing Antibiotic-Associated Diarrhea

July 25, 2023 updated by: Wecare Probiotics Co., Ltd.

Lactobacillus Acidophilus LA85 for Preventing Antibiotic-Associated Diarrhea: A Multi-Centric, Double-Blind, Randomized Study

This randomized, placebo-controlled, double-blind clinical trial aims to evaluate the efficacy and safety of probiotics as food supplements in preventing antibiotic-associated diarrhea. The study will involve 82 patients who will be randomly assigned to one of two groups: an experimental group receiving a probiotic containing Lactobacillus acidophilus LA85, and a placebo group. The primary outcomes measured include the number of days until the onset of diarrhea, the duration of diarrhea (if it occurs), gastrointestinal quality of life evaluation using the GIQLI questionnaire, and overall patient satisfaction.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

This randomized, placebo-controlled, double-blind clinical trial aims to assess the effectiveness and safety of probiotics as food supplements in preventing antibiotic-associated diarrhea. The study will enroll 82 patients who will be randomly assigned to either the experimental group or the placebo group. Participants in the experimental group will receive a probiotic supplement containing Lactobacillus acidophilus LA85, while those in the placebo group will receive a non-active substitute.

The outcomes include the following measurements:

  1. Number of days until the onset of diarrhea.
  2. Duration of diarrhea, if it occurs.
  3. Evaluation of gastrointestinal quality of life using the GIQLI questionnaire.
  4. Overall patient satisfaction with the intervention. Throughout the trial, a double-blind approach will be maintained, ensuring that both the participants and the investigators are unaware of the treatment assignments. This helps minimize bias and ensures the reliability of the results. To assess the efficacy and safety of probiotics, data will be collected and analyzed using appropriate statistical methods. The number of days until the onset of diarrhea will be compared between the two groups, as well as the duration of diarrhea if it occurs. Gastrointestinal quality of life will be evaluated using the GIQLI questionnaire, which measures various aspects related to gastrointestinal well-being. Additionally, overall patient satisfaction with the intervention will be assessed. By conducting this comprehensive clinical trial, we aim to provide valuable insights into the potential benefits and safety of probiotics as food supplements in preventing antibiotic-associated diarrhea. The results obtained will contribute to evidence-based recommendations for healthcare professionals and may have implications for improving patient outcomes and quality of life.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
82

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Spain
    • Castelldefels
      • Barcelona, Castelldefels, Spain, 08860
        • Ciurana Clinic

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Patients starting antibiotic treatment (Amoxicillin 750mg).
  • Patients prone to diarrhea with the administration of Amoxicillin 750mg.
  • Patients over 18 years of age.
  • Patients of both sexes.
  • Patients capable of understanding the clinical study and who are committed to complying with the requirements and procedures of the study.
  • Patients who have signed the informed consent.

Exclusion Criteria:

  • Diabetic patients.
  • Pregnant patients.
  • Patients who are breastfeeding.
  • Patients who require pharmacological treatment that triggers drug diarrhea (laxatives, antacids with magnesium, chemotherapy, omeprazole, esomeprazole, lansoprazole, rabeprazole, cimetidine ranitidine, mycophenolate nizatidine, ibuprofen, naproxen and metformin).
  • Patients requiring treatment with tricyclic antidepressants, antiepileptics, antihistamines, antiparkinsons, antipsychotics, antispasmodics, verapamil, monoamine oxidase inhibitors, opiates, sympathomimetics, antacids (with aluminum and calcium), non-steroidal antidiarrheals and anti-inflammatory drugs.
  • Patients who change the type of diet during the study.
  • Patients with an allergy or intolerance to any of the ingredients in the formulation of the product under study.
  • Subjects with a history of drug, alcohol or other substance abuse, or other factors that limit their ability to cooperate during the study.
  • Subjects whose condition does not make them eligible for the study, according to the investigator.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Health Services Research
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Placebo Comparator: Placebo group
Composition: 400mg maltodextrin (excipient)； Capsule total weight: 400mg； Primary conditioning: HPMC Capsules (Hydroxypropyl Methylcellulose)； Secondary conditioning：Cardboard case Secondary packaging content：14 capsules / blister, 1 blisters per case Dosage regimen: Take one capsule daily before meals； Storage：Store in a cool, dry place without exposure to the sun.
Other: Probiotic Lactobacillus acidophilus LA85
Through a randomized double-blind placebo-controlled method, the patients were randomly divided into placebo group and probiotic intervention group, and took probiotics once a day for 14 consecutive days.
Active Comparator: Probiotic group
Composition: 20mg (2x109 UFC/ capsule) Lactobacillus acidophilus LA85 (active principle) and 380mg maltodextrin (excipient)； Capsule total weight: 400mg； Primary conditioning: HPMC Capsules (Hydroxypropyl Methylcellulose)； Secondary conditioning：Cardboard case Secondary packaging content：14 capsules / blister, 1 blisters per case Dosage regimen: Take one capsule daily before meals； Storage：Store in a cool, dry place without exposure to the sun.
Other: Probiotic Lactobacillus acidophilus LA85
Through a randomized double-blind placebo-controlled method, the patients were randomly divided into placebo group and probiotic intervention group, and took probiotics once a day for 14 consecutive days.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Diarrhea Onset Time
Time Frame: 14 days
Evaluate stool characteristics on the Bristol Scale (Degree 5-7 indicative of diarrhea).
14 days

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Wecare Probiotics Co., Ltd.

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Methodex

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Joan Ciurana, Dr., Dentist Ciurana Clinic
  • Principal Investigator: Xavier Calvo, Dr., Dentist Rob Clinic

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
August 31, 2021

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
August 3, 2022

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
September 13, 2022

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
July 7, 2023

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 25, 2023

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 3, 2023

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 3, 2023

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 25, 2023

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
July 1, 2023

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • WK2023001

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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