# Experiments to Test How and Why the Sense of Smell Differs Between People

> **NCT00220038** · — · COMPLETED · sponsor: **Rockefeller University** · enrollment: 500 (actual)

## Conditions studied

- Specific Anosmias

## Interventions

- **BEHAVIORAL:** smell tests

## Key facts

- **NCT ID:** NCT00220038
- **Lead sponsor:** Rockefeller University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2004-05
- **Primary completion:** 2007-01
- **Final completion:** 2010-05
- **Target enrollment:** 500 (ACTUAL)
- **Last updated:** 2012-01-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00220038

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00220038, "Experiments to Test How and Why the Sense of Smell Differs Between People". Retrieved via AI Analytics 2026-07-16 from https://api.ai-analytics.org/clinical/NCT00220038. Licensed CC0.

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