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Trial registered on ANZCTR


Registration number
ACTRN12618001997246
Ethics application status
Approved
Date submitted
7/12/2018
Date registered
12/12/2018
Date last updated
27/04/2023
Date data sharing statement initially provided
12/12/2018
Type of registration
Prospectively registered

Titles & IDs
Public title
NATO – Non Anaemic Iron Deficiency and Treatment Outcomes after Colorectal Cancer Surgery
Scientific title
A prospective observational study to determine if non-anaemic iron deficiency increases the risk of poor post-operative outcome relative to an iron replete control in patients undergoing surgery for colorectal malignancy.
Secondary ID [1] 296814 0
Nil
Universal Trial Number (UTN)
U1111-1225-1465
Trial acronym
NATO
Linked study record
Not applicable

Health condition
Health condition(s) or problem(s) studied:
Iron deficiency 310699 0
Colorectal cancer 310702 0
Condition category
Condition code
Cancer 309401 309401 0 0
Bowel - Back passage (rectum) or large bowel (colon)
Surgery 309402 309402 0 0
Other surgery
Blood 309403 309403 0 0
Other blood disorders
Metabolic and Endocrine 309434 309434 0 0
Other metabolic disorders

Intervention/exposure
Study type
Observational
Patient registry
False
Target follow-up duration
Target follow-up type
Description of intervention(s) / exposure
This is a non-interventional study. Patients will not receive any treatment additional to current standard of care. The "intervention" group will be patients undergoing surgery for colorectal cancer who are non-anaemic and iron deficient. They will be followed from the time of surgery until 90 days after the primary surgical procedure.
Intervention code [1] 313101 0
Not applicable
Comparator / control treatment
This is a non-interventional study. Patients will not receive any treatment additional to current standard of care. The "control" group will be patients undergoing surgery for colorectal cancer who are non-anaemic and iron replete. They will be followed from the time of surgery until 90 days after the primary surgical procedure.
Control group
Active

Outcomes
Primary outcome [1] 308367 0
Days alive and at home on postoperative day 90 (DAH-90). The outcome will be assessed using patient interview and the medical record.
Timepoint [1] 308367 0
Measured on day 90 after the primary operation.
Secondary outcome [1] 354760 0
Duration of hospital stay. The outcome will be assessed using patient interview and the medical record.
Timepoint [1] 354760 0
Measured at the end of acute health care admission for the primary surgical procedure.
Secondary outcome [2] 354761 0
Days alive and at home on postoperative day 30 (DAH-30). The outcome will be assessed using patient interview and the medical record.
Timepoint [2] 354761 0
Measured on day 30 after the primary operation.
Secondary outcome [3] 354762 0
WHODAS-2.0 The outcome will be assessed using patient interview.
Timepoint [3] 354762 0
Measured at baseline and on day 90 after the primary operation.
Secondary outcome [4] 354763 0
EQ-5D-5L. The outcome will be assessed using patient interview.
Timepoint [4] 354763 0
Measured at baseline and on day 30 after the primary operation.
Secondary outcome [5] 354764 0
Quality of recovery score (QoR-15). The outcome will be assessed using patient interview.
Timepoint [5] 354764 0
Measured on day 3 after the primary operation.
Secondary outcome [6] 354765 0
Haemoglobin concentration (g/L). The outcome will be assessed using the medical record.
Timepoint [6] 354765 0
Measured at baseline, and on day 3 and day of discharge from acute care after the primary operation.
Secondary outcome [7] 354766 0
Requirement for allogeneic blood transfusion. The outcome will be assessed using the medical record.
Timepoint [7] 354766 0
Measured on day 30 after the primary operation.
Secondary outcome [8] 354767 0
All cause infection. The outcome will be assessed using the medical record.
Timepoint [8] 354767 0
Measured up to day 90 after the primary operation.
Secondary outcome [9] 409498 0
Requirement for readmission to acute care after previous discharge to home or subacute care. Data will be collected from telephone follow-up initially, with specifics sought from the medical record as required.
Timepoint [9] 409498 0
Measured on day 90 after the primary operation

Eligibility
Key inclusion criteria
Patient scheduled to undergo major elective surgery for colorectal cancer (laparoscopic or open colectomy, anterior resection or abdominoperineal resection).
Minimum age
18 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
Pregnancy
Age < 18 years
Iron supplementation (oral or parenteral) or EPO therapy received or planned between baseline preoperative blood tests and operation
Haemoglobinopathy (thalassaemia or sickle cell)
Bone marrow disease or haemochromatosis
End-stage renal failure requiring dialysis
Pre-operative anaemia (female: Hb < 120g/L, male: Hb < 130 g/L)
Pelvic exenteration or secondary surgical procedure (i.e. bowel resection AND liver resection during the same surgical procedure)

Study design
Purpose
Natural history
Duration
Longitudinal
Selection
Defined population
Timing
Prospective
Statistical methods / analysis
Student’s t-test or Wilcoxon test
Chi-squared test or Fisher's exact test
Cox proportional hazards model
Quantile regression analysis

Recruitment
Recruitment status
Completed
Date of first participant enrolment
Anticipated
4/02/2019
Actual
7/05/2019
Date of last participant enrolment
Anticipated
1/03/2023
Actual
17/04/2023
Date of last data collection
Anticipated
1/06/2023
Actual
24/04/2023
Sample size
Target
422
Accrual to date
Final
422
Recruitment in Australia
Recruitment state(s)
NSW,QLD,SA,WA,VIC
Recruitment hospital [1] 12674 0
Austin Health - Austin Hospital - Heidelberg
Recruitment hospital [2] 12675 0
Western Hospital - Footscray - Footscray
Recruitment hospital [3] 12676 0
Sunshine Hospital - St Albans
Recruitment hospital [4] 12677 0
St Vincent's Hospital (Melbourne) Ltd - Fitzroy
Recruitment hospital [5] 12678 0
Peter MacCallum Cancer Centre - Melbourne
Recruitment hospital [6] 12679 0
Epworth Eastern Hospital - Box Hill
Recruitment hospital [7] 12680 0
Epworth Richmond - Richmond
Recruitment hospital [8] 12681 0
Epworth Hospital Geelong - Waurn Ponds
Recruitment hospital [9] 12682 0
Barwon Health - Geelong Hospital campus - Geelong
Recruitment hospital [10] 12683 0
Austin Health - Heidelberg Repatriation Hospital - Heidelberg West
Recruitment hospital [11] 14858 0
Princess Alexandra Hospital - Woolloongabba
Recruitment hospital [12] 14859 0
John Hunter Hospital - New Lambton
Recruitment hospital [13] 14860 0
Prince of Wales Hospital - Randwick
Recruitment hospital [14] 14862 0
Flinders Medical Centre - Bedford Park
Recruitment hospital [15] 14865 0
The Alfred - Melbourne
Recruitment hospital [16] 21620 0
Epworth Freemasons (Victoria Parade) - East Melbourne
Recruitment hospital [17] 21621 0
Albury Wodonga Health - Albury campus - Albury
Recruitment hospital [18] 21622 0
Goulburn Valley Health - Shepparton campus - Shepparton
Recruitment hospital [19] 21623 0
Ballarat Health Services (Base Hospital) - Ballarat Central
Recruitment hospital [20] 21624 0
Bendigo Health Care Group - Bendigo Hospital - Bendigo
Recruitment hospital [21] 22337 0
Rockhampton Base Hospital - Rockhampton
Recruitment postcode(s) [1] 25096 0
3084 - Heidelberg
Recruitment postcode(s) [2] 25097 0
3011 - Footscray
Recruitment postcode(s) [3] 25098 0
3021 - St Albans
Recruitment postcode(s) [4] 25099 0
3065 - Fitzroy
Recruitment postcode(s) [5] 25100 0
3000 - Melbourne
Recruitment postcode(s) [6] 25101 0
3128 - Box Hill
Recruitment postcode(s) [7] 25102 0
3121 - Richmond
Recruitment postcode(s) [8] 25103 0
3216 - Waurn Ponds
Recruitment postcode(s) [9] 25104 0
3220 - Geelong
Recruitment postcode(s) [10] 25105 0
3081 - Heidelberg West
Recruitment postcode(s) [11] 28124 0
4102 - Woolloongabba
Recruitment postcode(s) [12] 28125 0
2305 - New Lambton
Recruitment postcode(s) [13] 28126 0
2031 - Randwick
Recruitment postcode(s) [14] 28128 0
5042 - Bedford Park
Recruitment postcode(s) [15] 36548 0
3350 - Ballarat
Recruitment postcode(s) [16] 36549 0
3550 - Bendigo
Recruitment postcode(s) [17] 36550 0
2640 - Albury
Recruitment postcode(s) [18] 36551 0
3002 - East Melbourne
Recruitment postcode(s) [19] 36552 0
3630 - Shepparton
Recruitment postcode(s) [20] 37498 0
4700 - Rockhampton
Recruitment outside Australia
Country [1] 24536 0
New Zealand
State/province [1] 24536 0
Waitemata DHB and Middlemore Hospital

Funding & Sponsors
Funding source category [1] 301387 0
Hospital
Name [1] 301387 0
Austin Hospital Colorectal Surgery Research SPF
Country [1] 301387 0
Australia
Funding source category [2] 301399 0
Other
Name [2] 301399 0
Epworth Research Institute
Country [2] 301399 0
Australia
Funding source category [3] 301400 0
Commercial sector/Industry
Name [3] 301400 0
Vifor Pharma Pty Ltd
Country [3] 301400 0
Australia
Funding source category [4] 303916 0
Government body
Name [4] 303916 0
Department of Health and Human Services
Country [4] 303916 0
Australia
Funding source category [5] 303917 0
Charities/Societies/Foundations
Name [5] 303917 0
Austin Medical Research Foundation
Country [5] 303917 0
Australia
Primary sponsor type
University
Name
Department of Critical Care, University of Melbourne
Address
Department of Critical Care
Melbourne Medical School
Faculty of Medicine, Dentistry & Health Sciences
The University of Melbourne
PARKVILLE VIC 3010
Country
Australia
Secondary sponsor category [1] 301075 0
None
Name [1] 301075 0
Address [1] 301075 0
Country [1] 301075 0

Ethics approval
Ethics application status
Approved
Ethics committee name [1] 302125 0
Austin Health Human Research Ethics Committee
Ethics committee address [1] 302125 0
Ethics committee country [1] 302125 0
Australia
Date submitted for ethics approval [1] 302125 0
09/03/2018
Approval date [1] 302125 0
21/06/2018
Ethics approval number [1] 302125 0
HREC/17/Austin/350

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 89202 0
A/Prof Lachlan Miles
Address 89202 0
Department of Anaesthesia
Austin Health
145 Studley Road
HEIDELBERG VIC 3084
Country 89202 0
Australia
Phone 89202 0
+61 394965704
Fax 89202 0
Email 89202 0
[email protected]
Contact person for public queries
Name 89203 0
Anna Parker
Address 89203 0
Department of Critical Care
Melbourne Medical School, The University of Melbourne
159 Barry Street
PARKVILLE VIC 3010
Country 89203 0
Australia
Phone 89203 0
+61 390359662
Fax 89203 0
Email 89203 0
[email protected]
Contact person for scientific queries
Name 89204 0
Lachlan Miles
Address 89204 0
Department of Anaesthesia
Austin Health
145 Studley Road
HEIDELBERG VIC 3084
Country 89204 0
Australia
Phone 89204 0
+61 394965704
Fax 89204 0
Email 89204 0
[email protected]

Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
What data in particular will be shared?
De-identified data relating to participant demographics and outcomes. No data that may be used to re-identify participants will be shared.
When will data be available (start and end dates)?
Data will be available after the publication of the primary manuscript resulting from the study (anticipated Dec. 2021). Data will be available until 7 years after study conclusion.
Available to whom?
Academic authors. Requests from industry unaffiliated with an academic body such as a University will not be considered.
Available for what types of analyses?
Meta-analysis and systematic review.
How or where can data be obtained?
Electronic transfer.


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

Documents added manually
No documents have been uploaded by study researchers.

Documents added automatically
No additional documents have been identified.