the Efficacy and Safety of Diosmin in Patients With Ulcerative Colitis

Overview

This is a randomized, controlled study evaluating diosmin tablets administered daily for 3 months. The purpose of the study is to evaluate the efficacy and safety of diosmin in the treatment of mild to moderately active ulcerative colitis. Disease activity will be measured using modified truelove and witt's classification.

Full Title of Study: “Clinical Study Evaluating the Efficacy and Safety of Diosmin in Patients With Ulcerative Colitis Treated With Mesalamine”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: Double (Participant, Investigator)
  • Study Primary Completion Date: November 2023

Detailed Description

This study aims at evaluating the efficacy and safety of diosmin as add-on therapy to mesalamine in patients with mild to moderate ulcerative colitis. This proof of concept study will be designed to be a randomized, double-blind, placebo controlled parallel study. The study will be conducted on 60 patients with mild to moderate ulcerative colitis receiving mesalamine. The patient will be followed for 3 months. The patients will be randomised into the following two groups: Group I (Control group; n=30) which will receive mesalamine 1000 mg three times daily plus placebo tablets twice daily for 3 months. Group II: (Diosmin group; n=30) which will receive mesalamine 1000 mg three times daily plus diosmin 600 mg twice daily for 3 months. All participants included in this study will be subjected to the following: 1. Demography, history, and physical examination 2. Blood sample collection and biochemical assessment At baseline and after the intervention, 10 ml of venous blood will be withdrawn from each participant. 3 ml of blood will be used for immediate determination of routine parameters including: – Hemoglobin concentration. – Ertherythrocyte sedimentation rate (ESR). – Prothrombin time. Two ml of blood will be immediately centrifuged at 3000 rpm for 10 min for immediate determination of: – Serum albumin The remaining 5 ml of blood will be used for the analysis of the biological parameters which include: – Malondialdehyde (MDA) as oxidative stress marker (colorimetry). – Tumor necrosis factor-alpha (TNF-α) as pro inflammatory marker (ELISA). – Caspase-3 as a potential marker for apoptosis (ELISA). 3. Clinical assessment Clinical assessment will be done through determination of: A. Disease severity which will be assessed according to the modified Truelove and Witt's classification. B. The activity index (AI) for ulcerative colitis which is expressed as follows: AI = 60 x blood stool + 13 x bowel movements (frequency of defection) + 0.5 x ESR – 4 x Hb - 15 x albumin + 200. C. Health-related Quality of Life (HRQoL) using The Short Inflammatory Bowel Disease Questionnaire (SIBDQ). D. Assessement of pain score through the brief pain inventory short form "BPI-SF" worst item.

Interventions

  • Drug: Placebo
    • placebo tablets twice daily
  • Drug: Diosmin
    • diosmin 600 mg twice daily

Arms, Groups and Cohorts

  • Placebo Comparator: control group
    • Group I (Control group; n=30) which will receive mesalamine 1000 mg three times daily plus placebo tablets twice daily for 3 months.
  • Experimental: diosmin group
    • Group II: (Diosmin group; n=30) which will receive mesalamine 1000 mg three times daily plus diosmin 600 mg twice daily for 3 months.

Clinical Trial Outcome Measures

Primary Measures

  • the change in Truelove and Witt’s classification.
    • Time Frame: at baseline then after 3 months
  • the change in health related quality of life (HRQoL) questionnaire
    • Time Frame: at baseline then after 3 months

Secondary Measures

  • the change in the measured biological parameters (TNF alpha, MDA, caspase-3)
    • Time Frame: at baseline then after 3 months

Participating in This Clinical Trial

Inclusion Criteria

  • Age ≥18 years old. – Both male and female sex. – Newly diagnosed patients with mild and moderate ulcerative colitis and treated with 5-aminosalicylic acid (mesalamine). Exclusion Criteria:

  • Patients with severe ulcerative colitis. – Patients with colorectal cancer. – Patients on rectal or systemic steroids. – Patients on immunosuppressants or biological therapies. – Patients with previously failed treatment with sulphasalazine. – Patients with known allergy to study medications. – History of complete or partial colectomy. – Patients with heart diseases and arrhythmia. – Patients on blood thinning agents. – Patients on anticoagulants (warfarin), anticonvulsants (carbamazepine and phenytoin), muscle relaxants (chlorzoxazone) and non-steroidal anti-inflammatory drugs (diclofenac).

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Tanta University
  • Provider of Information About this Clinical Study
    • Principal Investigator: Amira B ismail, clinical pharmacist – Tanta University
  • Overall Official(s)
    • tarek M mostafa, professor, Principal Investigator, Tanta University
  • Overall Contact(s)
    • amira B ismail, master, 00201142760505, amira7794.aa@gmail.com

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