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An exploratory clinical trial employing a crossover design to evaluate DYS001 and T&T olfactometer with respect to olfactory classification ability

An exploratory clinical trial employing a crossover design to evaluate DYS001 and T&T olfactometer with respect to olfactory classification ability

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2041250191
Enrollment
30
Registered
2026-02-27
Start date
2026-03-12
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Patients requiring assessment of olfactory sensitivity

Interventions

Set the dedicated cartridge DYS001 (investigational drug) into olfactory display device (NOS-DX1000) of Sony Group Corporation, following the insruction manuals of device. Prepare a new nose guide for

Sponsors

Miwa Takaki
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Subjects who satisfy all of the following criteria will be included. (1)Individuals aged 18 years or older, from whom written informed consent has been obtained. (2)Patients requiring olfactory sensitivity assessment, or patients whose olfactory grade has already been determined. (3)Patients who are capable of appropriately conducting the assessments specified in this clinical trial and obtaining both perception and detection thresholds.

Exclusion criteria

Exclusion criteria: Subjects who satisfy any of the following criteria will be excluded. (1) Patients participating in another clinical trial (including follow-up). (2) Patients who have previously undergone olfactory testing in a clinical trial of DYS001. (3) Patients diagnosed solely with qualitative olfactory disorders (parosmia, olfactory blindness, etc.) (4) Patients diagnosed with cognitive impairment or severe depression. (5) Patients who are pregnant or plan to become pregnant during the clinical trial period. (6) Patients whom principal investigator (sub-investigator) determines to be inappropriate for participation in the clinical trial.

Design outcomes

Primary

MeasureTime frame
Evaluation of the agreement rates of olfactory grades using the kappa coefficient

Secondary

MeasureTime frame
Efficacy: average perception threshold Safety: adverse events, side effects, etc.

Contacts

Public Contactinquiry desk for JRCT intellim

intellim Corporation

intjrct@intellim.co.jp+81-3-5688-7240

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026