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Trial registered on ANZCTR
Registration number
ACTRN12609001076268
Ethics application status
Approved
Date submitted
28/11/2009
Date registered
16/12/2009
Date last updated
10/07/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
A randomised controlled study of high dose versus standard dose antibiotics for the prevention of bacterial sepsis in advanced liver disease
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Scientific title
A randomised controlled study of high dose versus standard dose antibiotics for the prevention of bacterial sepsis in advanced liver disease
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Secondary ID [1]
1199
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Nil
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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:
cirrhosis
4887
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bacterial infection
252306
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Condition category
Condition code
Oral and Gastrointestinal
237240
237240
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0
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Infection
252486
252486
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0
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Studies of infection and infectious agents
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment with high dose (twice daily) trimethoprim-sulfamethoxazole 160mg-800mg oral tablet for 12 months to prevent bacterial infections in patients with cirrhosis
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Intervention code [1]
236675
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Treatment: Drugs
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Intervention code [2]
255695
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Prevention
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Comparator / control treatment
Treatment with standard dose (once daily) trimethoprim-sulfamethoxazole 160mg-800mg oral tablet for 12 months to prevent bacterial infections in patients with cirrhosis
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Control group
Dose comparison
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Outcomes
Primary outcome [1]
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Incidence of bacterial infection with diagnosis based on positive microbiological culture, documented radiological changes consistent with infection or established clinical diagnosis
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Assessment method [1]
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Timepoint [1]
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Every 3 months following randomisation for 12 months
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Primary outcome [2]
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Incidence of admission to hospital for other complications of chronic liver disease based on prospective follow up and review of medical records
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Assessment method [2]
253380
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Timepoint [2]
253380
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Every 3 months following randomisation for 12 months
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Secondary outcome [1]
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Rate of extraperitoneal infection requiring antibiotic therapy based on positive microbiological culture, documented radiological changes consistent with infection or established clinical diagnosis
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Assessment method [1]
242242
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Timepoint [1]
242242
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Every 3 months following randomisation for 12 months
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Secondary outcome [2]
262461
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Rate of peritoneal bacterial infection requiring antibiotic therapy based on positive microbiological culture or elevated white blood cell/neutrophil count consistent with established diagnostic criteria
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Assessment method [2]
262461
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Timepoint [2]
262461
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Every 3 months following randomisation for 12 months
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Secondary outcome [3]
262462
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Rate of bacteraemia based on positive microbiological culture or established clinical diagnosis
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Assessment method [3]
262462
0
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Timepoint [3]
262462
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Every 3 months following randomisation for 12 months
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Secondary outcome [4]
262463
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Rate of hepatorenal syndrome based on blood and urine analysis meeting established diagnostic criteria
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Assessment method [4]
262463
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Timepoint [4]
262463
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Every 3 months following randomisation for 12 months
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Secondary outcome [5]
262464
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Mortality rate based on prospective follow up and review of medical records
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Assessment method [5]
262464
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Timepoint [5]
262464
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Every 3 months following randomisation for 12 months
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Secondary outcome [6]
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Side effects and tolerability of trimethoprim-sulfamethoxazole daily and twice daily. Possible side effects include nausea, loss of appetite, rash, abnormal cell counts and elevated potassium levels. This will be assessed by interview of patient and review of blood tests.
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Assessment method [6]
262465
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Timepoint [6]
262465
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Every 3 months following randomisation for 12 months
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Secondary outcome [7]
262466
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Resistance rates to trimethoprim-sulfamethoxazole in organisms isolated during the study based on documented event of infection and proven resistance on microbiological culture and sensitivity testing.
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Assessment method [7]
262466
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Timepoint [7]
262466
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Every 3 months following randomisation for 12 months
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Eligibility
Key inclusion criteria
Patient with cirrhosis and ascites
Between 18 and 80 years of age
Able to give informed consent
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Minimum age
18
Years
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Maximum age
80
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
Allergies to trimethoprim-sulfamethoxazole or sulfa
Previous documented failure of trimethoprim-sulfamethoxazole
Severe renal impairment
Hepatocellular carcinoma, malignancy or other conditions associated with expected survival of less than 3 months
Current bacterial infection
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Study design
Purpose of the study
Prevention
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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)
Patients meeting inclusion criteria will be invited to enrol
Informed consent will be obtained prior to randomisation
Randomisation will be computer generated and sealed in opaque envelope
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Opaque envelope with preallocated treatment arm computer generated and randomly selected
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
23/11/2009
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Actual
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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
90
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
256102
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Hospital
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Name [1]
256102
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Austin Health
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Address [1]
256102
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Department of Gastroenterology
Austin Health
Level 8, Harold Stokes Building
Studley Road
Heidelberg Vic 3084
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Country [1]
256102
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Australia
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Primary sponsor type
Hospital
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Name
Austin Health
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Address
Studley Road
Heidelberg Vic 3084
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Country
Australia
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Secondary sponsor category [1]
251448
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None
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Name [1]
251448
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Address [1]
251448
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Country [1]
251448
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
258188
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Human Research Ethics Committee
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Ethics committee address [1]
258188
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Research Ethics Unit Henry Buck Building Austin Health Studley Road Heidelberg Vic 3084
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Ethics committee country [1]
258188
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Australia
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Date submitted for ethics approval [1]
258188
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Approval date [1]
258188
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19/08/2009
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Ethics approval number [1]
258188
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H2009/03622
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Summary
Brief summary
Patients with advanced liver disease and ascites (intra-abdominal fluid) are at high risk of bacterial infections such as spontaneous bacterial peritonitis. Once daily antibiotics such as trimethoprim-sulfamethoxazole is considered standard treatment to prevent bacterial infections in this setting. However, breakthrough infections are still common. The study hypothesis is that a higher dose of antibiotics may be more effective in preventing bacterial infections in advanced liver disease. The purpose is therefore to conduct a trial to examine whether twice daily trimethoprim-sulfamethoxazole is more effective than the standard once daily dose at reducing bacterial infections and admissions to hospital in these high risk patients.
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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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Address
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Country
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Phone
29673
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Fax
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Email
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Contact person for public queries
Name
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Dr Rohit Sawhney
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Address
12920
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Department of Gastroenterology
Austin Health
Level 8, Harold Stokes Building
Studley Road
Heidelberg Vic 3084
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Country
12920
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Australia
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Phone
12920
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+61 3 94965353
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Fax
12920
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Email
12920
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[email protected]
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Contact person for scientific queries
Name
3848
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Dr Paul Gow
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Address
3848
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Department of Gastroenterology
Austin Health
Level 8, Harold Stokes Building
Studley Road
Heidelberg Vic 3084
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Country
3848
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Australia
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Phone
3848
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+61 3 94965859
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Fax
3848
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Email
3848
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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.
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