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Comparison of Intraurethral lidocaine gel with and without nitrous oxide and oxygen mixture inhalation on rigid cystoscopy for pain management

Effect of nitrous oxide and oxygen mixture inhalation on rigid cystoscopy for pain management : A Double-blinded Randomized Controlled Trial.

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20211106001
Enrollment
54
Registered
2021-11-06
Start date
2021-11-14
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Inclusion Criteria 1.Patient who was performed by use rigid cystoscopy size 22 Fr 2.Patient who was performed by use rigid cystoscopy size 22 Fr with tissue biopsy at bladder mucosa 3.Patient who was performed by use rigid cystoscopy size 22 Fr with ureteral insertion size 6 Fr 4.Femal and male patients age above 18 Yrs old Cystoscopy Entonox Pain

Interventions

Blind Two Arm patient underwent Cystoscopy by use Enotonox inhalation every 15 min during performed Cystoscopy for evaluate pain score ,Blind Two Arm patient underwent Cystoscopy by use Oxygen inhal
Experimental Drug,Experimental Drug
Entonox (Oxygen and Nitrous Gas inhalation mixture),Oxygen inhalation

Sponsors

None listed

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Patient who was performed with Rigid Cystoscopy for diagnosis (22 Fr Size) 2.Patient who was performed with Rigid Cystoscopy and bladder biopsy for diagnosis (22 Fr Size) 3.Patient who was performed with Rigid Cystoscopy and ureteral stent insertion (22 Fr for Rigid Cystoscopy and 6 Fr for ureteral stent)

Exclusion criteria

Exclusion criteria: 1.patient who refuse this project 2.History of lidocaine or nitrous mixture halation allergy 3.patient with impairing pain perception 4.patient with maxillofacial injury 5.patient with pneumothorax

Design outcomes

Primary

MeasureTime frame
Pain Control every 15 minutes during cystoscopy and after immediate cystoscopy and 15 minutes after that Numeric rating Scale

Secondary

MeasureTime frame
Side Effect of Enotonox 1 Year Questionnaire interview

Countries

Thailand

Contacts

Public ContactTanawat Lohityothin

Faculty of medicine Thammasart University Hospital

king_master008@hotmail.com029269999

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026