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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT03018730
Registration number
NCT03018730
Ethics application status
Date submitted
9/01/2017
Date registered
12/01/2017
Date last updated
13/09/2023
Titles & IDs
Public title
Safety and Efficacy of PRX-102 in Patients With Fabry Disease Currently Treated With REPLAGAL® (Agalsidase Alfa)
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Scientific title
An Open Label Study of the Safety and Efficacy of PRX-102 in Patients With Fabry Disease Currently Treated With REPLAGAL® (Agalsidase Alfa)
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Secondary ID [1]
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PB-102-F30
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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:
Fabry Disease
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Condition category
Condition code
Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Metabolic and Endocrine
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Metabolic disorders
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Metabolic and Endocrine
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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
Other interventions - PRX-102 (pegunigalsidase alfa)
Experimental: PRX-102 - PRX-102 infusion every 2 weeks
Other interventions: PRX-102 (pegunigalsidase alfa)
PRX-102 1 mg/kg every 2 weeks
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Intervention code [1]
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Other interventions
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Number of Participants With Treatment-related Adverse Events as Assessed by CTCAE v4.03
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Assessment method [1]
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Results represent the number of treatment-emergent adverse events (TEAE) that were considered possibly, probably, or definitely related to treatment
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Timepoint [1]
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12 months
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Eligibility
Key inclusion criteria
1. Age: 18-60 years
2. A documented diagnosis of Fabry disease
3. Males: plasma and/or leucocyte alpha galactosidase activity (by activity assay) less
than lower limit of normal according to laboratory range and one or more of the
characteristic features of Fabry disease i. Neuropathic pain ii. Cornea verticillata
iii. Clustered angiokeratoma
4. Females: historical genetic test results consistent with Fabry mutations, or in the
case of novel mutations a first degree male relative with Fabry disease, and one or
more of the characteristic features of Fabry disease i. Neuropathic pain ii. Cornea
verticillata iii. Clustered angiokeratoma
5. Treatment with agalsidase alfa for at least 2 years and on a stable dose (>80%
labelled dose/kg) for at least 6 months
6. eGFR = 40 ml/min/1.73 m2 by CKD-EPI equation
7. Availability of at least 2 historical serum creatinine evaluations since starting
agalsidase alfa treatment and not more than 2 years
8. Female patients and male patients whose co-partners are of child-bearing potential
agree to use a medically acceptable 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
1. History of anaphylaxis or Type 1 hypersensitivity reaction to agalsidase alfa
2. History of renal dialysis or transplantation
3. 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)
4. Angiotensin converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB)
therapy initiated or dose changed in the 4 weeks prior to screening
5. Urine protein to creatinine ratio (UPCR) > 0.5 g/g and not treated with an ACE
inhibitor or ARB
6. Known history of hypersensitivity to Gadolinium contrast agent that was not managed by
the use of premedication;
7. Females who are pregnant, planning to become pregnant during the study, or are breast
feeding
8. Cardiovascular event (myocardial infarction, unstable angina) in the 6 month period
before screening
9. Congestive heart failure NYHA Class IV
10. Cerebrovascular event (stroke, transient ischemic attack) in the 6 month period before
screening
11. Presence of any medical, emotional, behavioral or psychological condition that, in the
judgment of the Investigator and/or Medical Monitor 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
N/A
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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
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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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
17/05/2017
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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
9/01/2020
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Sample size
Target
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Accrual to date
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Final
22
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Royal Melbourne Hospital - Parkville
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Recruitment postcode(s) [1]
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3050 - Parkville
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Recruitment outside Australia
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Canada
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State/province [1]
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Nova Scotia
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Czechia
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Prague
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Netherlands
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State/province [3]
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Amsterdam
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Norway
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Bergen
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Slovenia
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Slovenj Gradec
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Country [6]
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United Kingdom
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State/province [6]
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Birmingham
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United Kingdom
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London
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Country [8]
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United Kingdom
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State/province [8]
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Salford
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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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Other collaborator category [1]
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Commercial sector/Industry
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Name [1]
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Chiesi Farmaceutici S.p.A.
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Address [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
This is an open label switch over study to assess the safety and efficacy of PRX-102
(pegunigalsidase alfa). Patients treated with agalsidase alfa for at least 2 years and on a
stable dose (>80% labelled dose/kg) for at least 6 months. Patients will be screened and
evaluated over 3 months while continuing on agalsidase alfa. Following the screening period,
the patient will be enrolled and switched from their agalsidase alfa treatment to receive
intravenous (IV) infusions of PRX-102 1 mg/kg every two weeks for 12 months. No more than 25%
of treated patients will be female.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT03018730
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
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Address
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Fax
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Email
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Contact person for public queries
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Fax
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT03018730
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