A comparison of 1 % lidocaine with oxymetazoline and 2 % lidocaine with oxymetazoline for reducing pain in nasendoscopy : A double-blind randomized controlled trial

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

TCTR

Registry ID

TCTR20190725007

Enrollment

Registered

2019-07-25

Start date

2019-06-18

Completion date

Unknown

Last updated

2026-03-30

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

Conditions

rigid nasal endoscoppy local anesthetics decongestant nasendoscopy pain

Interventions

1% lidocaine mixed with 0.05% oxymetazoline

Active Comparator Drug

1% lidocaine

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: allergic rhinitis sinusitis : acute or chronic nasal polyp grade I

Exclusion criteria

Exclusion criteria: -hypersensitivity to local anesthetics -heart disease, hypertension, hepatic or renal disease -pregnant or breastfeeding -facial or sinus pain -nasal polyp grade II and III, tumor, deviated nasal septum) -taken oral or local decongestant within 3 days

Design outcomes

Primary

Measure	Time frame
pain due to nasendoscopy 10 min visual analog scale	—

Secondary

Measure	Time frame
discomfort due to medication 10 min visual analog scale	—

Countries

Thailand

Contacts

Public ContactWipan Nattarangsi

Faculty of Medicine, Burapha University

som12700@yahoo.com0899477808

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Apr 4, 2026

A comparison of 1 % lidocaine with oxymetazoline and 2 % lidocaine with oxymetazoline for reducing pain in nasendoscopy : A double&#45;blind randomized controlled trial