Retrospective study for long-term outcome of trans-oral organ-preserving pharyngeal endoscopic resection for superficial pharyngeal cancer

Retrospective study for long-term outcome of trans-oral organ-preserving pharyngeal endoscopic resection for superficial pharyngeal cancer - H&N cancer ESD/EMR study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000005467

Enrollment

200

Registered

2011-04-19

Start date

2011-04-01

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

head and neck cancer

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: superficial head and neck cancer treated by TOPER

Exclusion criteria

Exclusion criteria: salvage treatment

Design outcomes

Primary

Measure	Time frame
overall survival	—

Secondary

Measure	Time frame
cause-specific survival, complete resection rate, safety	—

Countries

Japan

Outcome results