GOUTMETALSAIN: Comparison of the Perception of Metallic Taste According to Lingual Locations in Healthy Volunteers

September 5, 2025 updated by: Centre Hospitalier de Valence

Comparison of the Perception of Metallic Taste According to Lingual Locations in Healthy Volunteers

This is a mono center , observational study carried out within otorhinolaryngology department in CH Valence.

This is a descriptive and exploratory study in healthy volunteers. Based on the hypothesis that Metallic taste is imperfectly assessed, this study will provide a better understanding of the Metallic Taste.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The study consists of the application of a swab soaked in iron sulfate at a concentration of 10g/l.

each patient will rate the intensity he/she perceives (on a numerical scale from 1 to 5) at each of the 4 predefined lingual locations

Study Type

Observational

Enrollment (Actual)

60

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • France
    • Drome
      • Valence, Drome, France, 26953
        • CH VALENCE

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

healthy volonteers without olfactory and gustatory disorder

Description

Inclusion Criteria:

  • Age ≥ 18 years old
  • Healthy volunteers
  • Read, write and understand the French language
  • Patient affiliated to a social security system
  • Written and signed informed consent

Exclusion Criteria:

  • head and Neck cancer history
  • olfactory and gustatory disorder
  • Refusal to participate in research
  • Patient under guardianship, deprived of liberty, safeguard of justice

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
1: intensity of perception of metallic taste

For this study, there is only one arm: swab with iron sulfate solution at a concentration of 10g/l.

Each subject complete visual scale
Other: swab with iron sulfate solution
measurement of the intensity of perception of metallic taste by affixing a swab iron sulfate solution 10g/l at 4 places on the tongue depending on the glossopharyngeal nerve: tip of the tongue (right and left); base of the tongue (right and left). Visual analogic Scale (0 to 5)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
evaluation of the intensity of metallic taste
Time Frame: 5 minutes
visual analogue scale (0 to 5); A score of 5 means the highest intensity of metallic taste
5 minutes

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Centre Hospitalier de Valence

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 15, 2021

Primary Completion (Actual)

April 8, 2022

Study Completion (Actual)

May 1, 2022

Study Registration Dates

First Submitted

January 26, 2022

First Submitted That Met QC Criteria

January 26, 2022

First Posted (Actual)

February 7, 2022

Study Record Updates

Last Update Posted (Estimated)

September 8, 2025

Last Update Submitted That Met QC Criteria

September 5, 2025

Last Verified

September 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • RIPH-CHV-10

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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