NCT04248374

Completed

Fatty Acid Taste Rating With or Without Sour Taste Adaptatio...

Purdue University Source

Other study identifiers

Sponsor study identifier

1907022413

Study Type

interventional

Actual enrollment (reported)

38

Locations

1 country

Sites

1

Timeline

Study Start

October 7, 2019

Actual (reported)

Primary Completion

September 8, 2020

Actual (reported)

Study Completion

December 30, 2020

Actual (reported)

Brief Summary

We are trying to figure out whether the fatty acid taste is differentiated from sour taste.

Registry Overview

Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.

Recruitment status: completed
Actual enrollment (reported): 38 participants
Study completion date: December 30, 2020
Actual (reported)
Listed locations: 1 countries · 1 sites

Trial Relationships

Click on a node to explore related trials.

Some registry-reported names shown below are not yet linked in this graph.

Study Timeline

Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.

Study Start
October 7, 2019
Actual (reported)
First Submitted
January 23, 2020
Actual (reported)
First Posted
January 30, 2020
Actual (reported)
Primary Completion
September 8, 2020
Actual (reported)
Study Completion
December 30, 2020
Actual (reported)

Last Updated: May 7, 2024
Status Verified: May 2024
Last Update Submitted: May 6, 2024

Conditions

Taste, Altered

Outcome Measures

Primary Outcomes (1)

Taste Intensity
two sets of taste intensity ratings without (Test A) or with (Test B) sour taste adaptation. For test A, participants will taste one of the eight solutions or one of solid fatty acids, and rate its intensity before and after expectorating it.
4 hours

Study Arms (2)

Fatty Acid Taste

NO INTERVENTION

Fatty acid taste without sour adaptation

Fatty Acid Taste after sour adaptation

EXPERIMENTAL

Fatty Acid Taste after sour adaptation

Other: Taste Intensity

Interventions

Taste IntensityOther

Taste intensity with and without sour adaptation

Fatty Acid Taste after sour adaptation

Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.

Eligibility Criteria

Age18 Years - 65 Years

Sexall

Healthy VolunteersYes

Age GroupsAdult (18-64), Older Adult (65+)

You may not qualify if:

taste disorder no allergy to alcohol

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Purdue University
Otherlead

Study Sites (1)

Purdue University

West Lafayette, Indiana, 47907, United States

MeSH Terms

Conditions

Dysgeusia

Condition Hierarchy (Ancestors)

Taste DisordersSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

Richard D Mattes, PhD
Purdue University
PRINCIPAL INVESTIGATOR

Enrollment

38 participants (actual enrollment reported by the registry).

Study Design

Study Type: interventional
Phase: not applicable
Allocation: RANDOMIZED
Masking: SINGLE
Who Masked: PARTICIPANT
Masking Details: three random number and covered sample cup\[
Purpose: BASIC SCIENCE
Intervention Model: CROSSOVER
Sponsor Type: OTHER
Responsible Party: PRINCIPAL INVESTIGATOR
PI Title: Distinguished Professor

Study Record Dates

First Submitted

January 23, 2020

First Posted

January 30, 2020

Study Start

October 7, 2019

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Not ApplicableRecruiting

Actual (reported)

Primary Completion

September 8, 2020

Actual (reported)

Study Completion

December 30, 2020

Actual (reported)

Last Updated

May 7, 2024

Record last verified: 2024-05

Data Sharing

IPD Sharing: Will not share

Source record

Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.

Source: ClinicalTrials.gov.

JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.

Registry identifier: NCT04248374
Data provider: ClinicalTrials.gov
Source updated: 2024-05-07
Normalization version: ctgov-legacy-1

Open registry record

Source retrieved: 2026-10-25 22:39:41 UTC

Locations

US(1)

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

Study Start

First Submitted

First Posted

Primary Completion

Study Completion

Conditions

Outcome Measures

Primary Outcomes (1)

Study Arms (2)

Fatty Acid Taste

Fatty Acid Taste after sour adaptation

Interventions

Eligibility Criteria

You may not qualify if:

Sponsors & Collaborators

Study Sites (1)

MeSH Terms

Conditions

Condition Hierarchy (Ancestors)

Study Officials

Enrollment

Study Design

Study Record Dates

Data Sharing

Source record

Locations