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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02795676
Registration number
NCT02795676
Ethics application status
Date submitted
2/06/2016
Date registered
10/06/2016
Date last updated
13/09/2023
Titles & IDs
Public title
Study of the Safety and Efficacy of PRX-102 Compared to Agalsidase Beta on Renal Function
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Scientific title
A Randomized, Double Blind, Active Control Study of the Safety and Efficacy of PRX-102 Compared to Agalsidase Beta on Renal Function in Patients With Fabry Disease Previously Treated With Agalsidase Beta
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Secondary ID [1]
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PB-102-F20
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Universal Trial Number (UTN)
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Trial acronym
BALANCE
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Fabry Disease
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Experimental: PRX-102 (pegunigalsidase alfa) - PRX-102 infusion every 2 weeks
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Comparator / control treatment
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Control group
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Outcomes
Eligibility
Key inclusion criteria
* Symptomatic adult Fabry disease patients, age 18-60 years
1. Males: Plasma and/or leucocyte alpha galactosidase activity (by activity assay) less than 30% mean normal levels and one or more of the characteristic features of Fabry disease
i. neuropathic pain
ii. cornea verticillata
iii. clustered angiokeratoma
2. Females:
a. historical genetic test results consistent with Fabry pathogenic mutation and one or more of the described characteristic features of Fabry disease:
i. neuropathic pain
ii. cornea verticillata
iii. clustered angiokeratoma
b. or in the case of novel mutations a first degree male family member with Fabry disease with the same mutation, and one or more of the characteristic features of Fabry disease
i. neuropathic pain
ii. cornea verticillata
iii. clustered angiokeratoma
* Screening eGFR by CKD-EPI equation 40 to 120 mL/min/1.73 m²
* Linear negative slope of eGFR based on at least 3 serum creatinine values over approximately 1 year (range of 9 to 18 months, including the value obtained at the screening visit) of = 2 mL/min/1.73 m²/year
* Treatment with a dose of 1 mg/kg agalsidase beta per infusion every 2 weeks for at least one year and at least 80% of 13 (10.4) mg/kg total dose over the last 6 months.
* Female patients and male patients whose co-partners are of child-bearing potential agree to use a medically accepted method of contraception, not including the rhythm method.
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Minimum age
18
Years
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Maximum age
60
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
* History of anaphylaxis or Type 1 hypersensitivity reaction to agalsidase beta
* Known non-pathogenic Fabry mutations
* History of renal dialysis or transplantation
* History of acute kidney injury in the 12 months prior to screening, including specific kidney diseases (e.g., acute interstitial nephritis, acute glomerular and vasculitic renal diseases); non-specific conditions (e.g, ischemia, toxic injury); as well as extrarenal pathology (e.g., prerenal azotemia, and acute postrenal obstructive nephropathy)
* Angiotensin converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) therapy initiated or dose changed in the 4 weeks prior to screening
* Patient with a screening eGFR value between 91-120 mL/min/1.73 m², having an historical eGFR value higher than 120 mL/min/1.73 m² (during 9 to 18 months before screening)
* Urine protein to creatinine ratio (UPCR) > 0.5 g/g and not treated with an ACE inhibitor or ARB
* Cardiovascular event (myocardial infarction, unstable angina) in the 6 month period before randomization
* Congestive heart failure NYHA Class IV
* Cerebrovascular event (stroke, transient ischemic attack) in the 6 month period before randomization
* Known history of hypersensitivity to Gadolinium contrast agent that is not managed by the use of pre-medication
* Female subjects who are pregnant, planning to become pregnant during the study, or are breastfeeding
* Presence of any medical, emotional, behavioral or psychological condition that, in the judgment of the Investigator and/or Medical Director, would interfere with the patient's compliance with the requirements of the study
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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)
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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 receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
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
Phase 3
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/06/2016
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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
1/07/2022
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Sample size
Target
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Accrual to date
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Final
78
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Protalix
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This was a randomized, double-blind, active control study of the enzyme replacement therapy (ERT) drug PRX-102 (pegunigalsidase alfa) in Fabry disease patients with impaired renal function. Patients who had been treated for approximately 1 year with agalsidase beta and who had been on a stable dose of that product for at least 6 months were randomized in a 2:1 ratio to either switch to PRX-102 or to continue treatment with agalsidase beta. Both treatments were delivered by intravenous infusions every two weeks, at a dosage of 1 mg/kg.
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Trial website
https://clinicaltrials.gov/study/NCT02795676
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Trial related presentations / publications
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Public notes
This record is viewable in the ANZCTR as it had previously listed Australia and/or New Zealand as a recruitment site, however these sites have since been removed
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Contacts
Principal investigator
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
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
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT02795676
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