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Effect of Lidocaine and Benzocaine for induction of local anesthesia

Comparison of the effect of intraurethral injection of 2% lidocaine gel and 20% benzocaine gel for induction of local anesthesia in Rigid Cystoscopy

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT20230418057949N2
Enrollment
100
Registered
2025-11-09
Start date
2025-12-22
Completion date
Unknown
Last updated
2025-12-08

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

Conditions

Hematuria. Recurrent and persistent hematuria

Interventions

Intervention 1: Intervention group: In the operating room, 15 minutes before the operation, 10 cc of 2% colorless lidocaine gel (Sinadaro Pharmaceutical Company, Iran) is injected into the urethra and

Sponsors

Babol University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
35 Years to 75 Years

Inclusion criteria

Inclusion criteria: Candidate for rigid cystoscopy Diagnosis of lower urinary tract symptoms including irritative symptoms (urinary urgency, frequency, and Bedwetting) and obstructive symptoms (weak urine stream, incomplete bladder emptying, straining to start urination, and intermittent urinary retention) Age between 35 and 75 years Hematuria

Exclusion criteria

Exclusion criteria: Unwillingness to participate in the study History of allergy to any of the medications lidocaine and benzocaine Concomitant use of painkillers in the last 24 hours Liver disease Renal failure History of neuropathy

Design outcomes

Primary

MeasureTime frame
Pain score. Timepoint: During and 5 minutes after rigid cystoscopy. Method of measurement: Visual analog scale.

Secondary

MeasureTime frame
Duration of pain relief. Timepoint: During and 5 minutes after cystoscopy. Method of measurement: Visual analog scale.

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr.Morteza Nasiri

Babol University of Medical Sciences

mortezaNasiri1371@yahoo.com+98 11 3225 6285

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026