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The effects of applying perianal local anesthetics on patient comfort during visual examination of the last part of large intestine

No effect of perianal application of topical anesthetics on patient comfort during non-sedated sigmoidoscopy: a randomized, placebo-controlled clinical trial

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12611000715976
Enrollment
175
Registered
2011-07-11
Start date
2008-11-01
Completion date
Unknown
Last updated
2020-01-13

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

Conditions

None listed

Interventions

Patients were randomized to 3 groups according to perianal application of different topical agents 30 minutes before the procedure as follows: Group 1 - 5 mL of vaseline application (placebo) Group 2 - 5 mL of 2% lidocaine gel Group 3 - 5 ml of 2.5% lidocaine plus 2.5% prilocaine cream

Sponsors

Prof. Mehmet Ayhan KUZU
Lead SponsorIndividual

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Prevention
Masking
Blinded (masking used)

Eligibility

Sex/Gender
All
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

ASA I-II patients undergoing sigmoidoscopy without sedation

Exclusion criteria

Exclusion criteria were use of anti-anxiety medicine within 48 hours before the procedure, cognitive dysfunction, past history of having lower endoscopy or anal/colorectal or gynecological surgery and complaint of pain at the anal area precluding examination.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026