After 2 weeks of run-in period, subjects are randomized to either IQP-CL-101 or a matching placebo. Over 8 weeks, the subjects are monitored for improvements in IBS symptoms
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
100
2 softgels twice a day
2 softgels twice a day
Barbara Grube
Berlin, State of Berlin, Germany
IBS-SSS (Severity Symptom Score)
The questionnaire is to be completed by the subject
Time frame: 8 weeks
IBS-GIS (Global Improvement Score)
The questionnaire is to be completed by the subject
Time frame: 8 weeks
IBS-QOL (Quality of Life)
The questionnaire is to be completed by the subject
Time frame: 8 weeks
Pain and discomfort diary
The diary is to be completed by the subject on a daily basis
Time frame: 8 weeks
Efficacy assessment by investigator
The investigator rates the efficacy of the investigational product using a 4-point Likert scale (poor, moderate, good, very good)
Time frame: 8 weeks
Efficacy assessment by subject
The subject rates the efficacy of the investigational product using a 4-point Likert scale (poor, moderate, good, very good)
Time frame: 8 weeks
Full blood count
After sampling, venous blood samples will be transported on same day in cooler boxes to a central laboratory for analysis of hemoglobin, hematocrit, erythrocytes, thrombocytes, and leucocytes
Time frame: 8 weeks
Clinical chemistry
Venous blood samples are obtained at screening and the end of the study (8 weeks)
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Time frame: 8 weeks
Fecal calprotectin
The samples will be later tested by an enzyme immunoassay (ELISA) specific for calprotectin
Time frame: 8 weeks
Blood pressure
Sitting blood pressure and heart rate will be measured using standard devices
Time frame: 8 weeks
Safety assessment by subject
The subject rates the safety of the IP using a 4-point Likert scale (poor, moderate, good, very good)
Time frame: 8 weeks
Safety assessment by investigator
The investigator rates the safety of the IP using a 4-point Likert scale (poor, moderate, good, very good)
Time frame: 8 weeks
Adverse events
At all visits, subjects will be asked if any AE has occurred; such events will be recorded in the source documents and case report forms
Time frame: 8 weeks