The effect of intravenous iron on postoperative transfusion requirements in hip fracture patients - the IVANOF1 Study

ISRCTN ISRCTN76424792
DOI https://doi.org/10.1186/ISRCTN76424792
Clinical Trials Information System (CTIS) 2011-003233-34
Protocol serial number 11206
Sponsor University of Nottingham (UK)
Funder National Institute of Academic Anaesthesia [NIAA] (UK)
Submission date
05/09/2012
Registration date
10/09/2012
Last edited
29/05/2019
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Surgery
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr Iain Moppett
Scientific

University of Nottingham
Department of Anaesthesia and Intensive Care
Queens Medical Centre
Nottingham
NG7 2UH
United Kingdom

Email iain.moppett@nottingham.ac.uk

Study information

Primary study designInterventional
Study designRandomised interventional trial
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific titleThe effect of intravenous iron on postoperative transfusion requirements in hip fracture patients – a pilot study
Study acronymIVANOF1
Study objectivesAnaemia following hip fracture is common. Approximately 30-45 % of patients have haemoglobin concentrations ([Hb]) below population norms on admission and around 10% are severely anaemic. Anaemia on admission and in the postoperative period is associated with poor outcome with regard to mobility, postoperative mortality and readmission. There is currently no clear consensus on the optimal method to manage peri-operative anaemia in this frail group of patients with frequent comorbidity. Liberal red cell transfusion in the postoperative period does not appear to improve outcome and tranexamic acid appears to reduce transfusion rate at the expense of increased cardiovascular morbidity. There are encouraging results from one centre with the use of agents to stimulate red cell production, including intravenous iron and erythropoietin. UK practice has significant differences to the patients and these studies and it is not clear whether these promising results will translate to the UK population.

More details can be found at http://public.ukcrn.org.uk/Search/StudyDetail.aspx?StudyID=11206
Ethics approval(s)Not provided at time of registration
Health condition(s) or problem(s) studiedBlood, Injuries and Emergencies
InterventionSingle-centre randomised controlled parallel group trial. Randomisation by website using computer generated concealed tables. Setting: University hospital in UK. Participants: 80 patients with acute hip fracture undergoing operative repair and aged > 70 years.

Intervention: Three daily infusions of 200mg iron sucrose starting within 24 hours of admission. Control group: standard hospital care at the discretion of the clinical team. Red cell transfusions for each group are given in accordance with standard clinical triggers.

Primary outcome: difference in mean reticulocyte count between groups at day 7.
Secondary outcomes include: haemoglobin concentrations, early and late transfusion rates, infectious and cardiovascular complications, mobility and 30-day mortality.
Intervention typeProcedure/Surgery
Primary outcome measure(s)

Reticulocyte count measured at day 7

Key secondary outcome measure(s)

1. Infective complications
2. Length of actue hospital stay
3. Minimum haemoglobin
4. Mortality within first 7 days
5. Mortality within first 30 days
5. Safety variables
6. Transfusion requirements
7. Pre-operative transfusion
8. Postoperative transfusion
9. Late transfusion (> day 7)

Completion date12/03/2014

Eligibility

Participant type(s)Patient
Age groupSenior
SexAll
Target sample size at registration80
Total final enrolment80
Key inclusion criteria1. Primary hip fracture
2. Aged over 70
3. Able to consent for themselves
4. Male and female participants
Key exclusion criteria1. Undisplaced intracapsular fractures (very low transfusion requirements
2. Contraindications to intravenous iron
3. Currently taking antiplatelet drugs other than aspirin
Date of first enrolment12/06/2012
Date of final enrolment12/03/2014

Locations

Countries of recruitment

  • United Kingdom
  • England

Study participating centre

University of Nottingham
Nottingham
NG7 2UH
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 01/09/2019 29/05/2019 Yes No
Protocol article protocol 09/09/2013 Yes No
Basic results 15/11/2018 15/11/2018 No No
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes

Additional files

ISRCTN76424792_BasicResults_15Nov18.pdf
Uploaded 15/11/2018

Editorial Notes

The following changes were made to the trial record:
1. Publication reference added.
2. The total final enrolment was added.
15/11/2018: The basic results of this trial have been uploaded as an additional file.
23/10/2018: No publications found, verifying study status with principal investigator.