Skip to content

Assessing the olfactory ability of toddlers using Crayon-Sniff (CSniff) in comparison to short USniff

Assessing the olfactory ability of toddlers using Crayon-Sniff (CSniff) in comparison to short USniff - C-Sniff versus qU-Sniff

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00038269
Enrollment
168
Registered
2025-10-31
Start date
2023-08-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

R43.8

Interventions

Group 1: Sequence: qU-Sniff ? C-Sniff Participants in this arm first completed the qU-Sniff (short version of the Universal Sniff test using Sniffin' Sticks) and subsequently, in the same session, the

Sponsors

Universitästklinikum Dresden
Lead Sponsor

Eligibility

Sex/Gender
All
Age
30 Months to 48 Months

Inclusion criteria

Inclusion criteria: Age: Kindergarten children between 30 and 48 months. Health/Development: Reported by parents as healthy and normally developed. Olfactory Function: Subjectively normal sense of smell (according to parental report). Consent: Consent of the legal guardians to participate

Exclusion criteria

Exclusion criteria: Lack of Consent: Lack of parental consent (of the legal guardians). Developmental Delay: Developmental delay, particularly a language delay. Chronic Illnesses: Chronic illnesses.

Design outcomes

Primary

MeasureTime frame
Feasibility and Reliability of the two olfactory tests (qU-Sniff and C-Sniff) in toddlers aged 30 to 48 months. Feasibility is primarily measured by discontinuation rates and completion time.

Secondary

MeasureTime frame
Acceptance of both tests (measured by children's preference query), test-retest reliability (measured by the Intraclass Correlation Coefficient, ICC), and the influence of age, gender, and duration of daycare on the test results.

Countries

Germany

Contacts

Public ContactJanine Gellrich

Universitätsklinikum Dresden

janine.gellrich@ukdd.de+49

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 10, 2026