NCT05687539

Brief Summary

The main aim of this study is to establish whether Mastiha products ameliorate functional dyspepsia symptoms.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
48

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Jun 2022

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

June 1, 2022

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

November 28, 2022

Completed
2 months until next milestone

First Posted

Study publicly available on registry

January 18, 2023

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2024

Completed
Last Updated

January 27, 2025

Status Verified

January 1, 2025

Enrollment Period

2.3 years

First QC Date

November 28, 2022

Last Update Submit

January 23, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Changes in Leuven Postprandial Distress Scale (LPDS)

    The change in Leuven Postprandial Distress Scale will be evaluated at follow-up. LPDS minimum score is 0 and maximum 32. Higher scores mean a worse outcome.

    1 month

Secondary Outcomes (3)

  • Change in quality of life

    1 month

  • Use of medicines

    1 month

  • Change in anxiety

    1 month

Study Arms (3)

Mastiha water

EXPERIMENTAL

Patients will receive 10ml of Mastiha water before every meal for one month

Dietary Supplement: Mastiha water

Mastiha capsules

EXPERIMENTAL

Patients will receive 2 Mastiha capsules (2x350mg) before every meal for one month

Dietary Supplement: Mastiha capsules

Control-Mastiha free

NO INTERVENTION

Patients will follow a Mastiha free one month period

Interventions

Mastiha waterDIETARY_SUPPLEMENT

10ml of mastiha water before every meal for one month

Mastiha water
Mastiha capsulesDIETARY_SUPPLEMENT

2x350mg mastiha capsules before every meal for one month

Mastiha capsules

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • functional dyspepsia diagnosis according to
  • Rome criteria
  • negative urea breath test for Helicobacter pylori
  • upper gastrointestinal tract endoscopy with biopsy

You may not qualify if:

  • organic diseases, such as peptic ulcer, gastrointestinal neoplasms, gastroesophageal reflux, irritable bowel syndrome
  • pregnancy or lactation
  • history of abdominal surgery or actinotherapy
  • mental illness
  • Severe impairment of heart, liver, or kidney function or respiratory function
  • Alcohol overuse

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Andriana Kaliora

Athens, 17671, Greece

Location

Related Publications (1)

  • Kleftaki SA, Amerikanou C, Tzavara C, Biagki T, Sigala D, Bouziou A, Zouboulaki S, Koutsia A, Smyrnioudis EV, Anapliotis P, Kaliora AC. A randomized, three-way crossover clinical trial on the efficacy of Mastiha based therapies (Pistacia lentiscus var. Chia) in functional dyspepsia. Pharmacol Res. 2025 Dec;222:108019. doi: 10.1016/j.phrs.2025.108019. Epub 2025 Nov 4.

MeSH Terms

Interventions

mastiha

Study Officials

  • Andriana C. Kaliora, Ass. Prof.

    Harokopio University

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

November 28, 2022

First Posted

January 18, 2023

Study Start

June 1, 2022

Primary Completion

September 30, 2024

Study Completion

September 30, 2024

Last Updated

January 27, 2025

Record last verified: 2025-01

Data Sharing

IPD Sharing
Will not share

Locations