Genetic Basis of Odor Discrimination

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

512 participants

Study Classification

OBSERVATIONAL

Study Start Date

2009-11-30

Study Completion Date

2012-08-31

Brief Summary

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Prior to the main study we will perform a pilot study on 60 subjects. The purpose of the pilot study is to identify the range of odor concentrations that will be used in the main study and to optimize the tasks performed in the main study.

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Detailed Description

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Conditions

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Non-smokers

Study Design

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Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

1. Age 18-50
2. Current non-smokers

Exclusion Criteria

1. Current smokers
2. Allergy to fragrances or smells of any kind
3. Active head cold, upper respiratory infection, or seasonal nasal allergies
4. History of nasal health problems, including endoscopic nasal surgery for sinus conditions or polyp removal.
5. Pre-existing medical condition that has caused anosmia or near total loss of the sense of smell, such as: head injury, cancer therapy, radiation to head and neck, or alcoholism

Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes