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Trial registered on ANZCTR
Registration number
ACTRN12618000544279
Ethics application status
Approved
Date submitted
8/11/2017
Date registered
11/04/2018
Date last updated
11/04/2018
Type of registration
Retrospectively registered
Titles & IDs
Public title
Effect of early feeding on the regulation of autophagy in critically ill children
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Scientific title
Effect of early feeding on the regulation of autophagy in critically ill children
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Secondary ID [1]
293309
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None
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Universal Trial Number (UTN)
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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:
Critical illness
305392
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Pediatric ICU nutrition
306455
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Condition category
Condition code
Diet and Nutrition
304678
304678
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0
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Other diet and nutrition disorders
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Metabolic and Endocrine
306354
306354
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0
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Other metabolic disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Supplementary parenteral nutrition when enteral nutrition is not up to target on day 5
Nutritional target is defined as: energy target according to Schofield equation.
For enteral nutrition different formulas are used depending on age and are given continuously either via nasogastric or post-pyloric tube (decided by the treating clinician).
Supplementary parenteral nutrition is given as different commercial formulas (Baxter): Numeta G16E (<10 kg body weight); Numeta G19E (10-15 kg body weight) and Olimel N5 (>15kg body weight). The amount given is: 67% of total nutritional target on day 5-6; 85% of total nutritional target on day 7-8 and 100% of total nutritional target from day 9 as long as in the ICU.
The intervention is ordinated by treating clinician and administered by treating nurse.
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Intervention code [1]
299569
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Treatment: Other
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Comparator / control treatment
Supplementary parenteral nutrition when enteral nutrition is not up to target on day 2
Nutritional target is defined as: energy target according to Schofield equation.
For enteral nutrition different formulas are used depending on age and are given continuously either via nasogastric or post-pyloric tube (decided by the treating clinician).
Supplementary parenteral nutrition is given as different commercial formulas (Baxter): Numeta G16E (<10 kg body weight); Numeta G19E (10-15 kg body weight) and Olimel N5 (>15kg body weight). The amount given is: 67% of total nutritional target on day 2-5; ; 85% of total nutritional target on day 6-8 and 100% of total nutritional target from day 9 as long as in the ICU.
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Control group
Active
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Outcomes
Primary outcome [1]
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Measurement of autophagy flux using an in vitro assay.
Primary human myotubes will be incubated with serum from patients and autophagy flux will be measured using in cell expression of P62 using antibodies with and without chemical blocking of the autophagy flux.
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Assessment method [1]
303895
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Timepoint [1]
303895
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Days 1, 3 (primary timepoint) and 6
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Secondary outcome [1]
340374
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Organ failure measured as PELOD 2 score
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Assessment method [1]
340374
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Timepoint [1]
340374
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Days 1, 3 and 6
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Secondary outcome [2]
340375
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Amino acid concentrations in serum analyzed using a standard HPLC technique.
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Assessment method [2]
340375
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Timepoint [2]
340375
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Days 1, 3 and 6
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Secondary outcome [3]
340376
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Amount of protein in the nutrition calculated from medical records.
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Assessment method [3]
340376
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Timepoint [3]
340376
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Days 1, 3 and 6
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Secondary outcome [4]
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Amount of fat in the nutrition calculated from medical records.
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Assessment method [4]
340377
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Timepoint [4]
340377
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Days 1, 3 and 6
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Secondary outcome [5]
340378
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Carbohydrates in the nutrition calculated from medical records.
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Assessment method [5]
340378
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Timepoint [5]
340378
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Days 1, 3 and 6
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Secondary outcome [6]
340379
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Energy intake calculated from medical records.
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Assessment method [6]
340379
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Timepoint [6]
340379
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Days 1, 3, and 6
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Secondary outcome [7]
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Concentrations of energy substrates (glucose, fatty acids) in serum.using standard enzymatic and photospectrometric analyses.
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Assessment method [7]
340401
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Timepoint [7]
340401
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Days 1, 3 and 6
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Eligibility
Key inclusion criteria
Treated at pediatric ICU; ongoing mechanical ventilation; Two or more failing organs; expected ICU stay of more than 2 days
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Minimum age
No limit
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Maximum age
18
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
No informed consent
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Under the first period control patients will be studied using the present routine of starting supplementary parenteral nutrition on day 2. When all patients are included (n=20) the routine will be changed to the new routine with supplementary parenteral nutrition on day 5. After 2 weeks of implementing the new routine, the treatment patients will be included (n=20).
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people analysing the results/data
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Intervention assignment
Other
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Other design features
Groups will be studied sequentially.
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
From our preliminary data on adult ICU patients, we calculated that we can detect a 30% difference in autophagy flux between the groups with a 80% power using 20 patients in each group.
Primary outcome will be analyzed using ANOVA for repeated measures. If data is not normally distributed, logarithmic data will be used. Secondary outcomes will be analyzed using Pearson regression analyses.
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
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Actual
5/03/2018
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
40
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Accrual to date
3
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Final
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Recruitment outside Australia
Country [1]
9339
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Sweden
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State/province [1]
9339
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Funding & Sponsors
Funding source category [1]
297934
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Charities/Societies/Foundations
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Name [1]
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Swedish Research Council
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Address [1]
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Västra Järnvägsgatan 3
111 64 Stockholm
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Country [1]
297934
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Sweden
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Primary sponsor type
Individual
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Name
Urban Fläring
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Address
Pediatric ICU
Astrid Lindgren Children's Hospital
Eugeniavägen 23,
171 64 Solna
Sweden
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Country
Sweden
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Secondary sponsor category [1]
296997
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Individual
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Name [1]
296997
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Olav Rooyackers
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Address [1]
296997
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Perioperative Medicine and Intensive Care
Karolinska University Hospital
Logopedvägen 3
14157 Huddinge
Sweden
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Country [1]
296997
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Sweden
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Other collaborator category [1]
279793
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Individual
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Name [1]
279793
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Nicolas Tardif
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Address [1]
279793
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CLINTEC
Karolinska Institutet
Stockholm
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Country [1]
279793
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Sweden
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Regional Ethical Committee Stockholm
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Ethics committee address [1]
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Karolinska Institutet i Solna Widerströmska huset Tomtebodavägen 18A, plan 3 (använd hiss 1 till vänster när man kommer in) 171 65 Solna
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Ethics committee country [1]
298980
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Sweden
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Date submitted for ethics approval [1]
298980
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Approval date [1]
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20/10/2017
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Ethics approval number [1]
298980
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Dnr: 2017/1639-31
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Summary
Brief summary
A recent large randomized trial has shown that a later start with supplementary parenteral nutrition when enteral nutrition is not working in full reduces ICU patient’s disease and length of ICU treatment. This has been shown in both adult and pediatric ICU patients. It has been hypothesized from these trails, that the early supplementary parenteral nutrition inhibits autophagy in cells. Autophagy is the cellular process that degrades larger proteins and organelles especially when they are damaged. The hypothesized inhibition of the autophagy process will then lead to the buildup of more damaged proteins and prolong/worsen the cellular and thereby organ function. At the pediatric ICU management, has decided to change the routine from early supplementary parenteral nutrition (day 2) to a later day (day 5) based on the clinical outcome trials. We will use this change to investigate the effect of initiating early feeding and later feeding on the potential of the patient’s serum to inhibit the autophagy flux in an in vitro model. There are no methods available to measure the autophagy flux in vivo in humans. In addition, we will relate the changes in autophagy flux to nutrients concentrations and clinical parameters.
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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
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Dr Urban Fläring
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Address
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Pediatric ICU
Astrid Lindgren Children's Hospital
Eugeniavägen 23,
171 64 Solna
Sweden
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Country
78878
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Sweden
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Phone
78878
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+46 8 51770394
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Fax
78878
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Email
78878
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[email protected]
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Contact person for public queries
Name
78879
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Olav Rooyackers
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Address
78879
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Perioperative Medicine and Intensive Care
Karolinska University Hospital
Logopedvägen 3
14157 Huddinge
Sweden
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Country
78879
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Sweden
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Phone
78879
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+46 8 58586182
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Fax
78879
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Email
78879
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[email protected]
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Contact person for scientific queries
Name
78880
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Olav Rooyackers
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Address
78880
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Perioperative Medicine and Intensive Care
Karolinska University Hospital
Logopedvägen 3
14157 Huddinge
Sweden
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Country
78880
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Sweden
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Phone
78880
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+46 8 58586182
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Fax
78880
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Email
78880
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[email protected]
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No information has been provided regarding IPD availability
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.
Download to PDF