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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00528931
Registration number
NCT00528931
Ethics application status
Date submitted
11/09/2007
Date registered
12/09/2007
Date last updated
5/10/2017
Titles & IDs
Public title
A Pharmacokinetic Study of AA4500 (XIAFLEX™, Proposed Name) in Subjects With Dupuytren's Contracture
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Scientific title
A Phase 1, Open-Label Study to Assess the Pharmacokinetics and Safety of a Single Injection of AA4500 0.58 mg in Subjects With Dupuytren's Contracture
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Secondary ID [1]
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AUX-CC-855
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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:
Dupuytren's Contracture
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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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Musculoskeletal
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Other muscular and skeletal disorders
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Skin
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Other skin conditions
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Other - collagenase clostridium histolyticum
Experimental: AA4500 0.58 mg -
Treatment: Other: collagenase clostridium histolyticum
Single dose of AA4500 0.58 mg into the cord
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Intervention code [1]
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Treatment: Other
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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 Subjects With AUX I and AUX II Detected in Their Blood After a Single Dose of AA4500
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Assessment method [1]
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AUX I and AUX II are the constituent protein collagenases of collagenase clostridium histolyticum (AA4500). Plasma concentrations of AUX I and AUX II were assessed through an enzymye-linked-immunoabsorbent assay (ELISA).
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Timepoint [1]
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Before dosing, at predetermined time points through the 24 hours after dosing, Day 7, and Day 30
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Secondary outcome [1]
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Examination of dose-response data and the nature of the placebo effect in these conditions.
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Assessment method [1]
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Timepoint [1]
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Measured at three points in time: pre-trial and at 4 and 8 weeks
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Secondary outcome [2]
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Clinical Success
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Assessment method [2]
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Clinical success defined as a reduction in contracture (ie, flexion deformity) to =5° of normal as measured by finger goniometry 30 days after an injection. Last observation carried forward (LOCF) after the injection was used if the status at day 30 could not be determined.
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Timepoint [2]
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30 days after treatment to the primary joint
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Secondary outcome [3]
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Clinical Improvement
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Assessment method [3]
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Clinical improvement defined as =50% reduction from baseline in contracture within 30 days of the injection. LOCF after the injection was used if the status at day 30 could not be determined.
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Timepoint [3]
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30 days after treatment to the primary joint
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Secondary outcome [4]
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Percent Change From Baseline Contracture
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Assessment method [4]
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Change from baseline in the degree of fixed-flexion contracture calculated as 100 times (baseline contracture minus last available post-injection contracture measurement) divided by baseline contracture where a positive change indicates a reduction in the degree of contracture.
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Timepoint [4]
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Baseline, 30 days after treatment to the primary joint
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Secondary outcome [5]
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Change From Baseline Range of Motion
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Assessment method [5]
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Range of motion defined as the difference between the finger extension angle and finger flexion angle expressed in degrees
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Timepoint [5]
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Baseline, 30 days after treatment to the primary joint
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Eligibility
Key inclusion criteria
* Subjects with a diagnosis of Dupuytren's contracture, with a fixed flexion deformity of at least one finger, other than the thumb, that had a contracture at least 20°, but not greater than 100° for MP (80° for PIP) joints, caused by a palpable cord.
* Had a positive "table top test," defined as the inability to simultaneously place the affected finger(s) and palm flat against a table top.
* Were naive to AA4500 treatment.
* Were judged to be in good health.
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Minimum age
18
Years
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Maximum age
No limit
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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
* Had a chronic muscular, neurological, or neuromuscular disorder that affected the hands.
* Had received treatment for Dupuytren's contracture within 90 days of the AA4500 injection to the MP or PIP selected, including surgery (fasciectomy or surgical fasciotomy), needle aponeurotomy/fasciotomy, or injection of verapamil and/or interferon on the selected primary joint within 90 days before the first dose of study drug.
* Had a known recent history of stroke, bleeding, a disease process that affected the hands, or other medical condition, which in the investigator's opinion, would make the subject unsuitable for enrollment in the study.
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Study design
Purpose of the study
Other
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Allocation to intervention
NA
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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 1
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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
1/09/2007
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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
1/03/2008
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Sample size
Target
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Accrual to date
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Final
16
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Deakin University - Burwood
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Recruitment postcode(s) [1]
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3125 - Burwood
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Endo Pharmaceuticals
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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
A Phase 1, open-label, single-dose pharmacokinetic study in subjects with Dupuytren's contracture conducted at one site in the United States. All subjects received a single dose of AA4500 0.58 mg, which was injected directly into the cord affecting either the metacarpophalangeal (MP) or proximal interphalangeal (PIP) joint. Pharmacokinetic blood samples were collected before dosing, at predetermined time points through the 24 hours after dosing, Day 7, and Day 30. Efficacy and safety assessments were performed up to 30 days after the AA4500 0.58 injection. This study was designed to be part of the larger clinical program, for adult patients with Dupuytren's contracture with a palpable cord, where the data from 2 pivotal Placebo-Controlled studies (AUX-CC-857 \[NCT00528606\]and AUX-CC-859 \[NCT00533273\]) and 7 non-pivotal studies were evaluated.
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Trial website
https://clinicaltrials.gov/study/NCT00528931
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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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Veronica Urdaneta, MD
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Address
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Endo Pharmaceuticals
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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/NCT00528931
Download to PDF