study of of the effect of caffeine consumption on the efficiency of surgical closures

Prospective randomized crossover study of the effect of caffeine consumption on the efficiency of surgical closures - coffee

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000043695

Enrollment

108

Registered

2021-03-22

Start date

2021-03-22

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

surgeon

Interventions

coffee including 200 mg caffeine consumption before surgical closure (day 1) decaffeinated coffee consumption before surgical closure (day 2) decaffeinated coffee consumption before surgical closure

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: medical student

Exclusion criteria

Exclusion criteria: 1) Those who have already received special training in suturing. 2) Those who addicted to caffeine or have a caffeine allergy 3) pregnant woman or woman during lactation 4) Those who judged by the principal investigator or sub-investigator to be inappropriate for participation in the research.

Design outcomes

Primary

Measure	Time frame
time to complete the repair, quality of the repair and surgical skills one hour later intaking caffeine	—

Countries

Japan

Contacts

Public ContactRyohei Ishiura

University of Mie plastic and reconstructive surgery

ishiura-prs@med.mie-u.ac.jp0592321111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026