Questionnaire survey on bitterness of asenapine

Sensory evaluation for bitterness of asenapine using sorbitol pretreatment

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs041210019

Enrollment

Registered

2021-05-14

Start date

2022-01-04

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

Schizophrenia Schizophrenia

Interventions

Rinse out using 25 ml D-sorbitol just before sublingual administration of asenapine

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients with schizophrenia under treatment

Exclusion criteria

Exclusion criteria: Patients with medical condition requiring medical procedure Pregnant women and nursing women Patients with a history of seizure Patients with substance dependence Patients with dysgeusia Patients with hyposmia Patients who cannot understand procedure manual of questionnaire Patients who are judged inadequate to participant in this study by their doctors

Design outcomes

Primary

Measure	Time frame
Sensory evaluation for bitterness	—

Secondary

Measure	Time frame
Willingness to continue medication	—

Contacts

Public ContactKunihiro Iwamoto

Nagoya University

iwamoto@med.nagoya-u.ac.jp+81-52-744-2282

Outcome results

None listed

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