The Effect of Probiotics in Infantile Colic (CSUB0214)

November 5, 2026 updated by: Roberto Berni Canani, MD, PhD, Federico II University

Double-blind, Randomized, Placebo-controlled, Parallel-group Study to Evaluate the Effect of L. Reuteri on Crying and Fussing Time in Infants With Infantile Colic

Academic, independent, non-commercial, multicenter study sponsored by the Department of Translational Medical Sciences (DISMET), University of Naples Federico II. The study evaluates whether daily oral supplementation with L reuteri reduces crying and fussing time more rapidly than an indistinguishable placebo in otherwise healthy infants with Rome IV infantile colic.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

Eligible participants will meet the clinical description for having infant colic. Participants will be assessed for eligibility at the screening visit and must meet all specified inclusion and exclusion criteria. Based on screening examinations, the individual Family Pediatrician (PLS) is solely responsible for determining clinical eligibility and making the final enrollment decision, which will be documented on the Participant Screening and Enrolment Log. The Scientific Coordinator will exclusively monitor aggregate screening logs and enrollment targets across all active sites, without direct involvement in the clinical selection. Fifty infants will be randomized 1:1 to probiotic or placebo. Each participant will complete a 7-day run-in, 21 days of treatment and 7 days of safety follow-up.

Study Type

Interventional

Enrollment (Estimated)

50

Phase

  • 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 Contact

  • Name: Robeto Berni Canani, PhD, MD
  • Phone Number: +390817462680
  • Email: berni@unina.it

Study Locations

      • Naples, Italy, 80100
        • Recruiting
        • Family pediatricians
        • Contact:
          • Roberto Berni Canani, MD, PhD
          • Phone Number: +390817462680
          • Email: berni@unina.it

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

Ages Eligible for Study

3 weeks to 2 months (Child)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Age 3-12 weeks at screening;
  • gestational age 37+0 to 42+0 weeks;
  • birth weight appropriate or large for gestational age;
  • parent/caregiver/legal guardian older than 18 years;
  • exclusive or predominant breastfeeding (>50%);
  • willingness to maintain feeding pattern and complete diaries and questionnaires;
  • physician-confirmed Rome IV infantile colic, parental report of ≥3 hours of crying/fussing per day on ≥3 days in the prior week, and ≥3 hours in at least one 24-hour period documented in the run-in diary;
  • written informed consent; mother available for scheduled visits; infant otherwise clinically healthy.

Exclusion Criteria:

  • Severe gastroesophageal reflux (as defined in the protocol);
  • failure to thrive;
  • intrauterine growth restriction;
  • hematochezia;
  • significant diarrhea or fever ≥38 °C;
  • congenital heart disease, immunodeficiency, asplenia, malignancy, cystic fibrosis or liver disease;
  • probiotic or systemic/oral antibiotic use in the 7 days before screening or anticipated use during the study;
  • use of treatments for infantile colic; including proton pump inhibitors; in the 7 days before screening or during the study.
  • Infant and mother must not participate concurrently in another interventional clinical study.

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: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Probiotic

Probiotic: L. reuteri total 2 × 10⁸ CFU/day, 5 oral drops once daily for 21 days

5 oral drops once daily for 21 days.

Placebo Comparator: Placebo

Placebo: matching oil formulation without L. reuteri, 5 oral drops once daily for 21 days.

5 oral drops once daily for 21 days.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Daily total crying and fussing time at day 7
Time Frame: 7 days after initiation of intervention

Total infant crying and fussing time, expressed as hours per 24-hour period, recorded daily by parents on baby's day diary

7 days after initiation of intervention

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in daily total crying and fussing time from baseline to day 7
Time Frame: At Day 0 and at day 7 of intervention

Total infant crying duration and fussing time, expressed as hours per 24-hour period, recorded daily by parents on baby's day diary

At Day 0 and at day 7 of intervention
Change in daily total crying and fussing time from baseline to every day during 21days of treatment
Time Frame: During 21 days of treatment

Total infant crying duration and fussing time, expressed as hours per 24-hour period, recorded daily by parents on baby's day diary

During 21 days of treatment
Proportion of responder patients assessed using a parent-completed daily sleep diary (Baby's Day Diary)
Time Frame: During the first 21 days of treatment

Proportion of patients responders to the treatment, defined as the number of infants with ≥50% reduction in crying and fussing time, expressed as hours per 24-hour period, recorded daily by parents on baby's day diary

During the first 21 days of treatment
Sleeping time
Time Frame: During the first 21 days of treatment

Total infant sleep duration, expressed as hours per 24-hour period, recorded daily by parents on baby's day diary

During the first 21 days of treatment
PedsQL Family Impact Module
Time Frame: During 21 days of treatment

Changes in PedsQL Family Impact Module range 0-100 (with higher scores reflecting better functioning) from baseline to Days 7 and 21

During 21 days of treatment
Maternal Edinburgh Postnatal Depression Scale score
Time Frame: During 21 days of treatment

Changes in Maternal Edinburgh Postnatal Depression Scale score evaluation Total score range: 0 to 30 (higher score on the Edinburgh Postnatal Depression Scale (EPDS) indicates a greater severity of symptoms) from baseline to Days 7 and 21

During 21 days of treatment
Number of participants experiencing adverse events and serious adverse events.
Time Frame: From initiation of the intervention (Day 1) through Day 28.Adverse events, serious adverse events

Number of participants experiencing at least one adverse event (AE) or serious adverse event (SAE) during the study. Events will be recorded and characterized according to type, severity, seriousness, and relationship to the study intervention.

From initiation of the intervention (Day 1) through Day 28.Adverse events, serious adverse events
Body temperature
Time Frame: At day 0 and 21

body temperature (°C)

At day 0 and 21
Heart rate
Time Frame: At day 0 and 21

heart rate (BPM)

At day 0 and 21
Respiratory rate
Time Frame: At day 0 and 21

Respiratory rate/minute

At day 0 and 21
Blood pressure
Time Frame: At day 0 and 21

blood pressure (mmHg)

At day 0 and 21
Height
Time Frame: At day 0 and 21

Height in cm

At day 0 and 21
Weight
Time Frame: At day 0 and 21

Weight in Kg

At day 0 and 21

Collaborators and Investigators

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

Sponsor

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)

September 23, 2026

Primary Completion (Estimated)

July 1, 2027

Study Completion (Estimated)

September 1, 2027

Study Registration Dates

First Submitted

September 24, 2026

First Submitted That Met QC Criteria

October 23, 2026

First Posted (Actual)

October 26, 2026

Study Record Updates

Last Update Posted (Actual)

November 9, 2026

Last Update Submitted That Met QC Criteria

November 5, 2026

Last Verified

November 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • 204/26

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.