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Trial registered on ANZCTR
Registration number
ACTRN12617000342314
Ethics application status
Approved
Date submitted
10/02/2017
Date registered
6/03/2017
Date last updated
5/03/2020
Date data sharing statement initially provided
5/03/2020
Type of registration
Prospectively registered
Titles & IDs
Public title
Investigating two different refeeding formulations to improve safety and efficiency of hospital management of adolescent and young adults admitted with anorexia nervosa
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Scientific title
Investigating two different refeeding formulations to improve safety and efficiency of hospital management of adolescent and young adults admitted with anorexia nervosa
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Secondary ID [1]
291156
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None
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Universal Trial Number (UTN)
U1111-1192-8232
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Anorexia nervosa
302015
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Malnutrition
302017
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Condition category
Condition code
Diet and Nutrition
301656
301656
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0
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Other diet and nutrition disorders
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Mental Health
301709
301709
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0
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Eating disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
This study will be multi-centred, including Westmead Hospital and RPAH. Patients admitted with Anorexia Nervosa and requiring enteral tube feeding (TF) during an 18 month data collection period, will be randomly assigned to receive either Arm 1 (standard feeding formula) or Arm 2 (trial treatment formula).
Arm 2. Trial treatment regime of nasogastric feeding commencing at 35mL/hr for 12 hours, providing 630kcal, 26g protein, 45g carbohydrate, 39g fat in 420mL feed, using a lower carbohydrate, higher fat formula (Pulmocare 28% CHO, 56% fat), and progressing to a rate up to 70mL/hr as tolerated.
Duration of treatment will be up to the first 3 weeks of hospital admission when requiring tube feeding. For most patients, they will require treatment from day of admission, however some patients may require the treatment after a few days (after it has been established that they require nasogastric tube feeding).
Monitoring of compliance is part of routine care, e.g. feeding rate regularly checked by nursing staff and recorded on fluid balance charts, Routine care of eating disorder patients also includes taping the connection between the bottle of feed and connecting tube, to prevent tampering with feeds.
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Intervention code [1]
297145
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Treatment: Other
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Comparator / control treatment
Arm 1:. Standard treatment regime of nasogastric feeding (using an enteral feed with a carbohydrate content similar to standard care) commencing at 35mL/hr for 12 hours, providing 630kcal, 26g protein, 86g carbohydrate, 21g fat in 420mL feed, using a standard polymeric formula (Ensure Plus 54% CHO, 26% fat), and progressing to a rate up to 70mL/hr as tolerated;
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Control group
Active
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Outcomes
Primary outcome [1]
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Hypophosphataemia
This will be assessed by monitoring blood samples that are taken as part of routine care.
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Assessment method [1]
301049
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Timepoint [1]
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During first 3 weeks of hospital admission.
Baseline, 6-8 hours after starting feeds, then daily for the first week, 2nd daily during the second week, then at the end of week 3.
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Secondary outcome [1]
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Change in Weight
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Assessment method [1]
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Timepoint [1]
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During first 3 weeks of hospital admission.
Baseline, 1 week, 2 weeks and 3 weeks,.
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Secondary outcome [2]
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Number of hospital days.
Using medical records.
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Assessment method [2]
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Timepoint [2]
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Discharge from hospital
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Secondary outcome [3]
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Hypoglycaemia
Monitoring of Blood Glucose Level (BGL) is part of routine care. Will monitor blood tests at baseline, and 60-90 minutes after breakfast for first 1 week of admission using glucometer. This will cease after one week if BGL normal.
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Assessment method [3]
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Timepoint [3]
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Postprandial 60-90 minutes after breakfast daily during first 1 week of hospital admission. This will cease after one week if BGL normal.
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Secondary outcome [4]
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Oedema
This will be assessed by a physical examination by the medical team. No tools required.
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Assessment method [4]
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Timepoint [4]
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Weekly medical assessment by treating team to assess for peripheral oedema during first 3 weeks of hospital admission.
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Secondary outcome [5]
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Serum Thiamine level
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Assessment method [5]
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Timepoint [5]
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Baseline and weekly thiamine measure during first 3 weeks of hospital admission
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Secondary outcome [6]
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Prescribed electrolyte replacement (phosphate, magnesium, potassium)
This will be assessed by checking the medical records.
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Assessment method [6]
331594
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Timepoint [6]
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During first 3 weeks of hospital admission
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Secondary outcome [7]
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Admission to Intensive Care Unit (ICU).
This will be assessed using the medical records.
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Assessment method [7]
331595
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Timepoint [7]
331595
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During first 3 weeks of hospital admission
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Secondary outcome [8]
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Number of days to reach medical stability (e.g. Heart rate > 50 beats per minute)
This will be assessed by using the medical records.
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Assessment method [8]
331596
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Timepoint [8]
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During first 3 weeks of hospital admission
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Eligibility
Key inclusion criteria
- Patients aged between 15 – 25 years
- Current diagnosis of Anorexia Nervosa (DSM V criteria)
- Requires nasogastric feeding for nutritional rehabilitation
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Minimum age
15
Years
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Maximum age
25
Years
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
- Patients aged less than 15 years old or greater than 25 year old
- Patients admitted with eating disorders other than AN (e.g. Bulimia nervosa)
- Patients not requiring nasogastric feeding as part of nutritional rehabilitation
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Sealed opaque envelopes
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Permuted block randomisation
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
Power calculation was calculated using a dichotomous endpoint two independent study sample, incidence of 45% hypophosphatemia in the standard feed arm and 10% hypophosphatemia in the treatment feed arm, 48 patients (24 in each arm) would have 80% power, alpha 0.05.
Data will be analysed using IBM Statistical Package for Social Sciences (SPSS), version 21 IBM Corporation. Continuous outcomes will be assessed for normality and if normally distributed the two treatment groups will be compared using independent t-tests. Binary outcomes will be compared using a chi-squared test.
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
20/03/2017
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Actual
1/11/2017
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Date of last participant enrolment
Anticipated
31/12/2020
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Actual
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Date of last data collection
Anticipated
21/01/2021
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Actual
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Sample size
Target
48
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Accrual to date
24
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
7464
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Westmead Hospital - Westmead
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Recruitment hospital [2]
7465
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Royal Prince Alfred Hospital - Camperdown
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Recruitment postcode(s) [1]
15291
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2145 - Westmead
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Recruitment postcode(s) [2]
15292
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2050 - Camperdown
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Funding & Sponsors
Funding source category [1]
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Government body
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Name [1]
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NSW Ministry of Health
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Address [1]
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73 Miller St, North Sydney NSW 2060
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Country [1]
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Australia
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Primary sponsor type
Individual
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Name
Ms Elizabeth Parker
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Address
Department of Dietetics & Nutrition
Westmead Hospital
Cnr Hawkesbury and Darcy Roads
Westmead NSW 2145
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Country
Australia
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Secondary sponsor category [1]
294426
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None
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Name [1]
294426
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Address [1]
294426
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Country [1]
294426
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Other collaborator category [1]
279423
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Individual
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Name [1]
279423
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Professor Victoria Flood
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Address [1]
279423
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Faculty of Health Sciences
University of Sydney
75 East St
Lidcombe NSW 2141
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Country [1]
279423
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Australia
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Other collaborator category [2]
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Individual
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Name [2]
279424
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Dr Fran Wilson
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Address [2]
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Department of Psychiatry
Westmead Hospital
Cnr Hawkesbury and Darcy Roads
Westmead NSW 2145
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Country [2]
279424
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Australia
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Other collaborator category [3]
279425
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Individual
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Name [3]
279425
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Professor Michael Kohn
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Address [3]
279425
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Department of Adolescent and Young Adult Medicine
Westmead Hospital
Cnr Hawkesbury and Darcy Roads
Westmead NSW 2145
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Country [3]
279425
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Australia
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Other collaborator category [4]
279426
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Individual
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Name [4]
279426
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Professor Simon Clarke
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Address [4]
279426
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Department of Adolescent and Young Adult Medicine
Westmead Hospital
Cnr Hawkesbury and Darcy Roads
Westmead NSW 2145
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Country [4]
279426
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Australia
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Other collaborator category [5]
279427
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Individual
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Name [5]
279427
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Ms Elizabeth Frig
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Address [5]
279427
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Department of Nutrition & Dietetics
Royal Prince Alfred Hospital
Missenden Rd
Camperdown NSW 2050
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Country [5]
279427
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Australia
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Other collaborator category [6]
279958
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Individual
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Name [6]
279958
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Dr Mark Halaki
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Address [6]
279958
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Faculty of Health Sciences University of Sydney 75 East St Lidcombe NSW 2141
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Country [6]
279958
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Australia
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
296915
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Western Sydney Local Health District HREC
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Ethics committee address [1]
296915
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Research Office, level 2, REN Building Westmead Hospital Cnr Hawkesbury & Darcy Roads Westmead NSW 2145
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Ethics committee country [1]
296915
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Australia
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Date submitted for ethics approval [1]
296915
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21/09/2016
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Approval date [1]
296915
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31/10/2017
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Ethics approval number [1]
296915
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Summary
Brief summary
Patients admitted to hospital with anorexia nervosa (AN) require nutritional rehabilitation to reverse malnutrition and its complications. However, conservative guidelines advocate reintroducing nutrition at a very slow rate to avoid refeeding complications. At the Children’s Hospital Westmead and the Adolescent ward of Westmead Hospital, adolescents with AN have been successfully treated with more aggressive nutrition intervention without adverse side effects, and with a more rapid improvement of weight status. Evidence in higher caloric feeding is not as robust in the adult AN population as compared with adolescent patients. Of particular concern is the reintroduction of carbohydrate in a starved patient, which can lead to electrolyte derangement and increase the risk of developing refeeding complications. The standard enteral feed provided to patients provides 54% carbohydrate, while the literature suggests the use of continuous feeding strategies with less than 40% of energy from carbohydrate. The aim of this study is to test if a lower carbohydrate (CHO) content enteral feed will provide better health outcomes to adolescent and young adult patients with AN. This study will be multi-centred, including Westmead Hospital and RPAH. Patients admitted with AN and requiring enteral tube feeding (TF) during an 18 month data collection period, will be randomly assigned to receive either: 1. Standard treatment regime of nasogastric feeding (using an enteral feed with a carbohydrate content similar to standard care) commencing at 35mL/hr for 12 hours, providing 630kcal, 26g protein, 86g carbohydrate, 21g fat in 420mL feed, using a standard polymeric formula (Ensure Plus 54% CHO, 26% fat), and progressing to a rate up to 70mL/hr as tolerated; 2. Trial treatment regime of nasogastric feeding commencing at 35mL/hr for 12 hours, providing 630kcal, 26g protein, 45g carbohydrate, 39g fat in 420mL feed, using a lower carbohydrate, higher fat formula (Pulmocare 28% CHO, 56% fat), and progressing to a rate up to 70mL/hr as tolerated. Expected total number of patients, n = 48, with 24 in each arm. Inclusion and exclusion criteria will apply to participants. Primary outcome measure: Hypophosphataemia. Secondary outcome measures: Change in weight, Length of hospital stay (LOS), hypoglycaemia (nocturnal and postprandial), oedema, thiamine, electrolyte replacement, admission to ICU, days required to reach medical stability. This study has the potential to change practice in the nutritional management of young adults admitted with AN across the state, with the goal to inform future policy in this field. It will include the 2 hospitals in NSW with specialised inpatient treatment programs for adult patients with AN.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
72418
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Ms Elizabeth Parker
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Address
72418
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Department of Dietetics
Westmead Hospital
Cnr Hawkesbury and Darcy Roads
Westmead NSW 2145
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Country
72418
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Australia
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Phone
72418
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+61 2 9845 6638
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Fax
72418
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+61 2 9845 8006
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Email
72418
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[email protected]
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Contact person for public queries
Name
72419
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Elizabeth Parker
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Address
72419
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Department of Dietetics
Westmead Hospital
Cnr Hawkesbury and Darcy Roads
Westmead NSW 2145
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Country
72419
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Australia
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Phone
72419
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+61 2 9845 6638
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Fax
72419
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+61 2 9845 8006
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Email
72419
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[email protected]
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Contact person for scientific queries
Name
72420
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Michael Kohn
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Address
72420
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Department of Adolescent and Young Adult Medicine
Westmead Hospital
Cnr Hawkesbury and Darcy Roads
Westmead NSW 2145
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Country
72420
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Australia
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Phone
72420
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+61 2 9845 6788
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Fax
72420
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Email
72420
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Deidentified data collection on intervention and outcome measures
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When will data be available (start and end dates)?
Data will be made available for 7 years after completion of thesis and publication.
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Available to whom?
Clinical researchers who contact the research team and discuss their proposed research.
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Available for what types of analyses?
Outcome measure analysis. To be discussed with the research team.
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How or where can data be obtained?
By emailing the principal investigator
[email protected]
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What supporting documents are/will be available?
No Supporting Document Provided
Doc. No.
Type
Citation
Link
Email
Other Details
Attachment
7245
Study protocol
[email protected]
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
Source
Title
Year of Publication
DOI
Embase
Study protocol for a randomised controlled trial investigating two different refeeding formulations to improve safety and efficacy of hospital management of adolescent and young adults admitted with anorexia nervosa.
2020
https://dx.doi.org/10.1136/bmjopen-2020-038242
N.B. These documents automatically identified may not have been verified by the study sponsor.
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