Randomised Controlled Trial of sedation for colonoscopy: Entonox versus Midazolam/Fentanyl

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN81142957

Enrollment

100

Registered

2005-09-30

Start date

2005-03-11

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Surgery: Sedation Surgery

Interventions

Prospective randomised controlled study. Pilot study initially involving 100 patients to determine statistical power. Pts will be randomised using the sealed envelope method of block randomisation. Pa

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: All patients undergoing elective colonoscopy would be prospective participants.

Exclusion criteria

Exclusion criteria: 1. History of chronic respiratory disease 2. History of colonic resection 3. Intolerance to the drugs 4. Patients with pre-existing adbominal or perianal pain 5. Unwilling participants

Design outcomes

Primary

Measure	Time frame
Pain score assessed by VAS	—

Secondary

Measure	Time frame
Not provided at time of registration	—

Countries

United Kingdom

Outcome results

None listed

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