The influence of low dose aspirin therapy on perioperative primary haemostasis in patients with vascular disease undergoing orthopaedic surgery

ISRCTN ISRCTN11165766
DOI https://doi.org/10.1186/ISRCTN11165766
Protocol serial number N0557093705
Sponsor Department of Health (UK)
Funder The Dudley Group of Hospitals NHS Trust (UK)
Submission date
12/09/2003
Registration date
12/09/2003
Last edited
02/05/2012
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Haematological Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Julian Sonksen
Scientific

Department of Anaesthetics
Russells Hall Hospital
Dudley
DY1 2HQ
United Kingdom

Study information

Primary study designInterventional
Study designRandomised double blind placebo controlled trial.
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific title
Study objectivesHow long does it take for the bleeding time to return to normal after stopping aspirin?
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedHaemostasis
InterventionEach patient receives three containers of tablets (5+3+2) containing either aspirin or placebo. Random allocation to:
1. 10 days aspirin
2. 8 days aspirin + 2 days placebo
3. 5 days aspirin + 5 days placebo
4. 10 days placebo
Intervention typeDrug
PhaseNot Specified
Drug / device / biological / vaccine name(s)aspirin
Primary outcome measure(s)

Bleeding times on day of recruitment, morning of surgery and after surgery.

Key secondary outcome measure(s)

Not provided at time of registration

Completion date31/10/2004

Eligibility

Participant type(s)Patient
Age groupNot Specified
SexNot Specified
Target sample size at registration100
Key inclusion criteria100 Patients undergoing orthopaedic surgery.
Key exclusion criteriaDoes not meet inclusion criteria
Date of first enrolment01/10/2000
Date of final enrolment31/10/2004

Locations

Countries of recruitment

  • United Kingdom
  • England

Study participating centre

Department of Anaesthetics
Dudley
DY1 2HQ
United Kingdom

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/03/1999 Yes No
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes