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Topical vapocoolant spray in reducing the pain of intravenous cannulation in the emergency department: a randomised, single-blinded, placebo-controlled trial

A randomised controlled clinical trial to compare the efficacy of pressurised vapocoolant and water sprays in decreasing the pain of intravenous cannulation in emergency department patients.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12607000470493
Enrollment
200
Registered
2007-09-19
Start date
2007-10-01
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

Brief summary

Vapocollant spray is used overseas to decrease the pain of intravenous cannulation. However, no randomised controlled trial has been reported to provide evidence for this.

Interventions

Two second spray of pressurised vapocoolant "COLD Spray" (butane, propane, pentane blend), from 12 cm, to the IV cannulation site. The alkane blend may vary with the batch and specific proportions of the three alkanes are not available

Sponsors

Austin Health
Lead SponsorHospital

Study design

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

Eligibility

Sex/Gender
All
Age
18 Years to -2147483648 No limit
Healthy volunteers
No

Inclusion criteria

Emergency department patients, aged 18 years or more, requiring intravenous cannulation.

Exclusion criteria

Refusal to provide consent; Inability to provide informed consent (Non-English speaking, altered mental state, significant illness); Moderate to severe discomfort or pain; Diseases of the skin associated with cold intolerance (eg: Raynaud’s phenomenon); Known allergy to spray contents; Peripheral neuropathy; Parenteral analgesia in the previous 4 hours

Outcome results

None listed

Source: ANZCTR · Data processed: Apr 3, 2026