Efficacy of Iodine staining surveillance of the pharynx during endoscopic resection for patients with pharyngeal cancer - a multicenter prospective study.

Efficacy of Iodine staining surveillance of the pharynx during endoscopic resection for patients with pharyngeal cancer - a multicenter prospective study. - iSper study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000045230

Enrollment

Registered

2021-08-23

Start date

2020-12-18

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

Pharyngeal cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Those who fall under the above-mentioned subjects and perform pharyngeal iodine staining for the purpose of identifying the lesion area at the time of ER in daily medical care. (2) Those whose cancer invasion depth is assumed to remain in the subepithelial layer (3) Those who have received sufficient explanation before participating in this research, and have obtained their free willing consent to participate in this research after sufficient understanding.

Exclusion criteria

Exclusion criteria: (1) Those who cannot do ER or biopsy (2) Those who are allergic to iodine (3) Person after total laryngectomy (4) Cases of residual recurrence after irradiation (5) Underage patients (under 20 years old) (6) In addition, those who the principal investigator deems inappropriate as research subjects

Design outcomes

Primary

Measure	Time frame
Detection rate of new superficial pharyngeal cancer by iodine staining during ER under general anesthesia	—

Countries

Japan

Contacts

Public ContactYusuke Nishimura

Hokkaido University Hospital Gastroenterology

y.nishimura0503@gmail.com011-716-1161

Outcome results