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Study aim
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Evaluation of the effect of Pistacia atlantica oleoresin on clinical symptoms of the patients with Irritable bowel syndrome with constipation predominance
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Design
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placebo-controlled, double-blind, randomized, phase 3 on 70 patients, randomization is performed by permuted block randomization method, and drugs will be randomly allocated to patients
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Settings and conduct
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A total of 70 patients referred to Ayatollah Rouhani Hospital, Omid Clinic, and Traditional Medicine Health Center of Babol University of Medical Sciences, first complete the (IBS-SSS) and (IBS-QOL) questionnaires. In the intervention group, capsules containing P.atlantica are given twice daily for 6 consecutive weeks, and in the control group, capsules containing starch are given. The capsule consumption by each volunteer is monitored weekly, patients are treated for 6 weeks. Then refer and the relevant questionnaires are completed. Finally, the IBS-SSS and IBS-QOL are completed for patients four weeks after the end of the study.
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Participants/Inclusion and exclusion criteria
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Inclusion: Patients diagnosed with IBS, age over 18, patient informed consent exclusion: Pregnancy/lactation, history of gastrointestinal surgery, inability to swallow capsules, herb allergies, heart/liver/kidney diseases, use of psychiatric drugs, use of P.atlantica in the past month, use of prebiotic/probiotics, antibiotics, laxative, alcohol, NSAID, drugs that alter the movement of the gastrointestinal tract, patients with malignancies, smoking
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Intervention groups
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The group receiving P.atlantica and the group receiving placebo
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Main outcome variables
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Primary :
Change in the severity of irritable bowel syndrome based on the total score of the IBS-SSS scale
Secondary :
Quality of life change based on changing the total score of the IBS-QOL quality of life questionnaire
Symptomatic changes in the IBS-SSS Irritable Bowel Syndrome Severity Scale