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Farmington, Connecticut 06106


This study is being conducted to see if serum-derived bovine immunoglobulin/protein isolate (SBI) is safe and well tolerated in pediatric patients with IBS-D. Main Hypothesis :Pediatric patients with IBS-D, who take SBI, will have no significant adverse events at 4 and 8 weeks and their quality of life will be better than the patients who receive placebo.

Study summary:

The study will consist of four phases: Screening Phase: screen the patients for 2 weeks prior to enrollment in the study to establish objective criteria of disease presence and severity. Patients will maintain a daily symptom dairy. At the end of screening phase, we will calculate their quality of life and symptom severity scores based on the information provided by the patients and their family. Patients with an average score of 1 or greater over 14 days for abdominal pain and stool consistency will be selected for the open label trial of SBI. Open Label Treatment Phase: patients enrolled will receive 4 weeks of SBI along with QOL questionnaires to complete. If the patient's global assessment is that they have improved, or if review of their diaries shows an improvement in symptom severity scores (decrease in symptom severity score by > 30% from baseline), they will be eligible for the randomization phase. Patients, who do not have any improvements during the first 4 weeks of SBI therapy, will not be randomized. If non-responders have worsening of symptoms, they will be prescribed rescue medications as per standard of care. If non-responders choose to continue to take SBI, they will be so allowed. Randomization Phase: Patients who qualify for this phase will be randomized either to SBI or placebo. They will take their medication for 4 more weeks and complete their questionnaires, symptom as well as QOL. After this 4 week phase all patients will be offered the Open Label Extension Phase. Open Label Extension Phase: All patients who enter this phase will be treated with SBI for another 16 weeks.


Inclusion Criteria: - Male or female patients > 8 years of age and < 18 years of age - Patients with a diagnosis of IBS-D as per Rome III criteria - Patients with normal laboratory work up (CBC, ESR, CRP, amylase, lipase, celiac panel, fecal occult blood) - Patients with normal fecal calprotectin and lactose hydrogen breath test - Patients off motility drugs, NSAIDs for at least 2 weeks prior to enrollment in the study - Ability to complete the study - Patients on stable doses or other medications for at least 4 weeks prior to enrollment Exclusion Criteria: - Patients with h/o other GI, hepatic, renal, cardiovascular, neurologic or hematological disorder - Patients with family history of inflammatory bowel disease - Patients with history of abdominal surgery - Patient with history of drug or alcohol abuse - Patient with a history of allergy to study related products (e.g. beef) - Use of probiotics in the previous month - Patients who used SBI in the past - Patients with soy allergy/sensitivity



Primary Contact:

Principal Investigator
Ajay Rana, MD
Connecticut Childrens Medical Center

Backup Contact:


Location Contact:

Farmington, Connecticut 06106
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: January 21, 2020

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