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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00760916
Registration number
NCT00760916
Ethics application status
Date submitted
25/09/2008
Date registered
26/09/2008
Date last updated
30/01/2013
Titles & IDs
Public title
FREEDOM DR: Oral Treprostinil in Combination With an Endothelin Receptor Antagonist (ERA) and/or a Phosphodiesterase-5 (PDE-5) Inhibitor or as Monotherapy for the Treatment of Pulmonary Arterial Hypertension (PAH)
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Scientific title
FREEDOM DR: An International, Multi-Center, 12-Week, Double Blind, Randomized, Placebo-Controlled, Parallel Group Study Followed by a 12-Week Open-Label Extension Study to Assess the Efficacy, Safety, and Dose Response of UT-15C SR in Subjects With Pulmonary Hypertension
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Secondary ID [1]
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TDE-PH-303
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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:
Pulmonary Hypertension
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Condition category
Condition code
Respiratory
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Other respiratory disorders / diseases
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Cardiovascular
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Hypertension
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - UT-15C 1 mg
Treatment: Drugs - UT-15C 0.25 mg
Treatment: Drugs - UT-15C 5 mg
Treatment: Drugs - Placebo
Placebo comparator: Placebo - placebo
Active comparator: UT-15C 0.25 mg - UT-15C 0.25 mg
Active comparator: UT-15C 1 mg - UT-15C 1 mg
Active comparator: UT-15C 5 mg - UT-15C 5 mg
Treatment: Drugs: UT-15C 1 mg
UT-15C 1 mg
Treatment: Drugs: UT-15C 0.25 mg
UT-15C 0.25 mg
Treatment: Drugs: UT-15C 5 mg
UT-15C 5 mg
Treatment: Drugs: Placebo
Placebo
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Intervention code [1]
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Treatment: Drugs
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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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Change in six-minute walk distance from Baseline to Week 12
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Assessment method [1]
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Timepoint [1]
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12 weeks
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Secondary outcome [1]
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Borg Dyspnea Score
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Assessment method [1]
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Timepoint [1]
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12 weeks
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Secondary outcome [2]
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Clinical Worsening Assessment
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Assessment method [2]
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Timepoint [2]
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12 weeks
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Secondary outcome [3]
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Dyspnea Fatigue Index
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Assessment method [3]
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Timepoint [3]
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12 weeks
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Secondary outcome [4]
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Symptoms of PAH
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Assessment method [4]
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Timepoint [4]
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12 weeks
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Secondary outcome [5]
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World Health Organization (WHO) Functional Class
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Assessment method [5]
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Timepoint [5]
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12 weeks
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Secondary outcome [6]
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Trough 6-Minute Walk Distance
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Assessment method [6]
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Timepoint [6]
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12 weeks
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Secondary outcome [7]
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Trough Borg Dyspnea Score
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Assessment method [7]
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Timepoint [7]
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12 weeks
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Secondary outcome [8]
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Pro-B-type natriuretic peptide (Pro-BNP)
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Assessment method [8]
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Timepoint [8]
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12 weeks
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Secondary outcome [9]
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Optional hemodynamic parameters
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Assessment method [9]
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Timepoint [9]
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12 weeks
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Secondary outcome [10]
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Adverse events
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Assessment method [10]
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Timepoint [10]
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12 weeks
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Secondary outcome [11]
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Clinical Laboratory parameters
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Assessment method [11]
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Timepoint [11]
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12 weeks
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Secondary outcome [12]
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Electrocardiogram findings
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Assessment method [12]
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Timepoint [12]
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12 weeks
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Eligibility
Key inclusion criteria
* Between 18 and 70 years of age, inclusive
* Body weight at least 50 kilograms
* PAH that is either idiopathic/familial; associated with repaired congenital systemic-to-pulmonary shunts (repaired = 5 years); associated with collagen vascular disease; associated with HIV.
* Currently receiving an approved endothelin receptor antagonist and/or an approved phosphodiesterase-5 inhibitor for at least 90 days and on a stable dose for at least the last 30 days or not currently receiving approved PAH therapy.
* Previous testing (e.g., right heart catheterization, echocardiography) consistent with the diagnosis of PAH.
* Reliable and cooperative with protocol requirements.
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Minimum age
18
Years
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Maximum age
70
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
* Nursing or pregnant.
* Received a prostacyclin within the past 30 days.
* PAH due to conditions other than noted in the above inclusion criteria.
* History of uncontrolled sleep apnea, renal insufficiency, anemia, left sided heart disease, uncontrolled systemic hypertension, or parenchymal lung disease.
* Use of an investigational drug within 30 days of Baseline
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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
Withdrawn
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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
1/12/2008
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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
1/01/2009
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Sample size
Target
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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St. Vincent's Hospital - Sydney
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Recruitment hospital [2]
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Prince Charles Hospital - Brisbane
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Recruitment hospital [3]
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The Alfred Hospital - Melbourne
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Recruitment postcode(s) [1]
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- Sydney
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Recruitment postcode(s) [2]
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- Brisbane
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Recruitment postcode(s) [3]
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- Melbourne
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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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Alabama
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United States of America
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California
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United States of America
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Colorado
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United States of America
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Iowa
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Kansas
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United States of America
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Maine
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Massachusetts
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Minnesota
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Missouri
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New York
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United States of America
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North Carolina
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United States of America
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Ohio
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Oregon
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Pennsylvania
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Texas
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Country [16]
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Utah
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Virginia
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Mexico
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DF
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Mexico
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State/province [19]
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Monterrey
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
United Therapeutics
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
This study is an international, multi-center, randomized, double-blind, placebo-controlled study in subjects with PAH who are currently receiving approved therapy for their PAH (i.e., endothelin receptor antagonist and/or phosphodiesterase-5 inhibitor)or as a monotherapy treatment. Study visits will occur at 4 week intervals for 12 weeks with the key measure of efficacy being the 6-minute walk test. Study procedures include routine blood tests, medical history, physical exams, disease evaluation, and exercise tests. At the end of the first 12-weeks, the patient will be un-blinded. Patients will continue with another 12-Week open label portion with visits occuring at 4-week intervals. Patients who complete all assessments for 24-weeks will also be eligible to enter a 36 month open-label, extension phase study (FREEDOM - EXT).
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Trial website
https://clinicaltrials.gov/study/NCT00760916
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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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Kevin Laliberte, PharmD
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Address
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United Therapeutics
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Phone
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Fax
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Email
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Contact person for public queries
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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 not provided in
https://clinicaltrials.gov/study/NCT00760916
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