Malic Acid in Treatment of Xerostomia

Overview

Background: xerostomia is a subjective sensation of dry mouth resulting from quantitative and /or qualitative changes of saliva. Patients receiving drugs like antihypertensives and antidepressants or patients receiving chemotherapy or radiotherapy for treatment of head and neck cancers may suffer from xerostomia. It also can be experienced in patients with systemic diseases like diabetes mellitus, systemic lupus erythematosus, sjogren's syndrome and rheumatoid arthritis. Malic acid spray with concentration of 1% has grabbed the attention over the last few years as an effective treatment for xerostomia. Study objective: To evaluate the effect of 1% malic acid spray in treatment of xerostomia in type 2 diabetic patients.

Full Title of Study: “Efficacy of Malic Acid Spray in Treatment of Xerostomia in Type II Diabetic Patients”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: None (Open Label)
  • Study Primary Completion Date: September 1, 2021

Detailed Description

This randomized controlled clinical trial included 52 patients with type 2 diabetes mellitus suffering from xerostomia, divided equally into two groups. Group-I was managed by topical spray containing 1% malic. Group- II was managed by a placebo spray. Both groups received the treatment for 2 weeks. Dry mouth questionnaire scores (DMQ) and unstimulated salivary flow rate was collected before and after treatment.

Interventions

  • Drug: malic acid
    • 1% malic acid spray

Arms, Groups and Cohorts

  • Experimental: malic acid group
    • patients will receive a topical spray containing 1% malic acid
  • No Intervention: placebo group
    • patients will receive a topical placebo spray

Clinical Trial Outcome Measures

Primary Measures

  • The unstimulated salivary flow rate
    • Time Frame: 4 weeks
    • The unstimulated salivary flow rate will be obtained by the spit method every 30s for 15 minutes. Saliva will be collected in graduated tubes. Measurements will be expressed as milliliter per minute. Participants will be asked to refrain from eating, drinking and brushing their teeth at least 2 hours before saliva collection – Hypo-salivation if the unstimulated salivary flow rate 0.1- 0.2 ml/min or less

Secondary Measures

  • scoring of severity of xerostomia
    • Time Frame: 4 weeks
    • Each individual’s responses will be scored and summed to give a single score and the higher scores represent more severe symptoms using Xerostomia Inventory-Dutch version

Participating in This Clinical Trial

Inclusion Criteria

  • Patients with type 2 diabetes mellitus suffering from xerostomia. – Patients aged between 35 and 50 years old. – Glycated hemoglobin less than 7% (28) . – Duration of diabetes mellitus not less than 4 years and not more than 8 years. Exclusion Criteria:

  • Patients receiving any drugs that cause hyposalivation like anti-hypertensive drugs. – Patients with any systemic disease reported to produce hyposalivation (sjogren's syndrome, hepatitis c, rheumatoid arthritis and lupus erythematosus) (8). – Patients receiving chemo-therapy and radio-therapy. – Mouth breathers.

Gender Eligibility: All

Minimum Age: 35 Years

Maximum Age: 50 Years

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • Hams Hamed Abdelrahman
  • Provider of Information About this Clinical Study
    • Sponsor-Investigator: Hams Hamed Abdelrahman, Assistant lecturer – Alexandria University
  • Overall Official(s)
    • Eglal M Mousa, PHD, Study Director, Alexandria University
    • Yasmin Y Gaweesh., PHD, Principal Investigator, Alexandria University
    • Noha K. Abo Aasy, PHD, Principal Investigator, Alexandria University
    • Shaimaa A. Muhamed, BDS, Principal Investigator, Alexandria University

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