Evaluation of lip pulling outside effect for laryngoscopy: a randomized crossover trial

Evaluation of lip pulling outside effect for laryngoscopy: a randomized crossover trial - Evaluation of lip pulling outside effect for laryngoscopy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023018

Enrollment

Registered

2016-07-05

Start date

2016-07-10

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 undergoing general anesthesia

Interventions

1Lip pulling outside 2Not lip pulling outside 1Not lip pulling outside 2lip pulling outside

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing general anesthesia

Exclusion criteria

Exclusion criteria: Patients contraindicated for rapid induction.

Design outcomes

Primary

Measure	Time frame
Laryngoscopy grade (such as Cormack grade, POGO score)	—

Secondary

Measure	Time frame
Subjective difficulty of laryngoscopy	—

Countries

Japan

Contacts

Public ContactNobuyasu Komasawa

Osaka Medical College Anesthesiology

ane078@poh.osaka-med.ac.jp0726-84-6361

Outcome results

None listed

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