Skip to content

Evaluating the effects of Lactobacillus acidophilus (Johnsonii) La?,as a postbiotic supplementation, on the prevention of antibiotic associated diarrhoea and associated gastrointestinal symptoms

A randomized, double-blind, placebo-controlled trial to study the effects of Lactobacillus acidophilus (Johnsonii) La?,as a postbiotic supplementation, on the prevention of antibiotic associated diarrhoea and associated gastrointestinal symptoms

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20100119003106N49
Enrollment
70
Registered
2025-05-11
Start date
2025-06-15
Completion date
Unknown
Last updated
2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Evaluating the effects of Lactobacillus acidophilus (Johnsonii) La?, as a postbiotic supplementation, on the prevention of antibiotic associated diarrhoea and associated gastrointestinal symptom. Allergic and dietetic gastroenteritis and colitis

Interventions

Intervention 1: Intervention group: All participants will receive a capsule of postbiotic twice daily during the antibiotic treatment and a week afterward, scheduled 2 to 3 hours apart from antibiotic

Sponsors

Islamic Azad University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: Patients aged 18 to 75 years who are currently receiving systemic antibiotic therapy, agree to comply with the study protocol, and sign the informed consent form after being fully informed about all potential benefits and risks of the study.

Exclusion criteria

Exclusion criteria: Lack of willingness to continue participation in the study; patients with abnormal colonoscopy findings; presence of tumors, colorectal cancer, malignancy or history of malignancy; post-gastrectomy or enterectomy; chronic gastrointestinal diseases such as Crohn’s disease or ulcerative colitis; chronic pancreatitis; short bowel syndrome; diagnosed immunodeficiency caused by any chronic disease; bloody diarrhea or severe dehydration; human immunodeficiency virus (HIV); autoimmune disorders; women who are pregnant, breastfeeding, or planning to become pregnant during the study period; history of substance abuse including addiction to drugs or alcohol; lactose intolerance; use of any immunosuppressive or immunomodulatory drugs; use of other bioactive products such as probiotics, postbiotics, or similar products during the study; and patients with known allergic reactions to the investigational product or its related components.

Design outcomes

Primary

MeasureTime frame
Daily Bowel movements frequency. Timepoint: Every 3 days (3days ± 2 days). Method of measurement: Validated questionnaire based on WHO.;Stool consistency. Timepoint: Every 3 days (3days ± 2 days). Method of measurement: Validated questionnaire based on Bristol Scale Score.

Secondary

MeasureTime frame
Associated gastrointestinal symptoms. Timepoint: Every 3days (3days ± 2days). Method of measurement: Validated questionnaire based on the Gastrointestinal Symptom Rating Scale (GSRS) scoring system.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSeyedehSayeh Marashi

Islamic Azad University

saye.marashi@gmail.com+98 22640056

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026