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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02240784
Registration number
NCT02240784
Ethics application status
Date submitted
11/09/2014
Date registered
16/09/2014
Titles & IDs
Public title
EXPLORE: A Natural History Study of Acute Hepatic Porphyria (AHP)
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Scientific title
A Natural History Study of Acute Hepatic Porphyria (AHP) Patients With Recurrent Attacks
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Secondary ID [1]
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ALN-AS1-NT-001
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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:
Acute Hepatic Porphyria
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Condition category
Condition code
Oral and Gastrointestinal
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Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon
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Human Genetics and Inherited Disorders
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0
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Other human genetics and inherited disorders
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Metabolic and Endocrine
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0
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0
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Other metabolic disorders
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Skin
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0
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Other skin conditions
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Acute Hepatic Porphyria -
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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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Medical history of AHP patients (Part A only)
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Assessment method [1]
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Timepoint [1]
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Baseline to 6-Month Follow-Up Visit
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Primary outcome [2]
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Medication usage of AHP patients (Part A only)
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Assessment method [2]
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Timepoint [2]
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Baseline to 6-Month Follow-Up Visit
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Secondary outcome [1]
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Plasma biomarkers (Part A only)
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Assessment method [1]
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0
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Timepoint [1]
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0, 6 months and During Attacks
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Secondary outcome [2]
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Porphyria signs and symptoms (Part A only)
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Assessment method [2]
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0
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Timepoint [2]
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0, 2, 4, 6 months
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Secondary outcome [3]
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Quality of Life (Part A only)
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Assessment method [3]
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0
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Timepoint [3]
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0, 6 months
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Secondary outcome [4]
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Urine biomarkers (Part A only)
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Assessment method [4]
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0
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Timepoint [4]
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0, 6 months and During Attacks
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Secondary outcome [5]
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Healthcare Utilization (Part A only)
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Assessment method [5]
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0
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Timepoint [5]
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0, 6 months
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Secondary outcome [6]
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Change in disease activity as measured by Quality of Life (Part B only)
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Assessment method [6]
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0
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Timepoint [6]
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0, 6, 12, 18, 24, 30, 36 months
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Secondary outcome [7]
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Change in disease activity as measured by Porphyria Screening/Follow Up Questionnaire (Part B only)
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Assessment method [7]
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0
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Timepoint [7]
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0, 3, 6, 9, 12, 18, 24, 30, 36 months
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Secondary outcome [8]
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Change in disease activity as measured by Brief Pain Inventory form (Part B only)
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Assessment method [8]
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0
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Timepoint [8]
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0, 3, 6, 9, 12, 18, 24, 30, 36 months
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Secondary outcome [9]
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Change in disease activity as measured by European Organization for Research and Treatment of Cancer (EORTC) Questionnaire (Part B only)
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Assessment method [9]
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Timepoint [9]
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0, 6, 12, 18, 24, 30, 36 months
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Eligibility
Key inclusion criteria
* Males and females aged >/= 12 years
* Diagnosis of AHP [acute intermittent porphyria (AIP), variegate porphyria (VP), hereditary coproporphyria (HCP) and aminolevulinic acid dehydratase (ALAD) deficient porphyria (ADP)]
* Porphyria attacks in the past 12 months or receiving treatment to prevent attacks
* Willing to provide written informed consent, medical records, and to comply with study requirements
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Minimum age
12
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
• Current participation in a clinical trial of an investigational product
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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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
1/08/2014
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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
26/04/2021
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Sample size
Target
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Accrual to date
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Final
136
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Clinical Trial Site - Camperdown
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Recruitment postcode(s) [1]
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- Camperdown
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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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Country [2]
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United States of America
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State/province [2]
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Florida
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Country [3]
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United States of America
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State/province [3]
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Michigan
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Country [4]
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United States of America
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State/province [4]
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New York
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Country [5]
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United States of America
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State/province [5]
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North Carolina
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Country [6]
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United States of America
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State/province [6]
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Pennsylvania
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Country [7]
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United States of America
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State/province [7]
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Texas
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Country [8]
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United States of America
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State/province [8]
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Utah
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Country [9]
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Belgium
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State/province [9]
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Leuven
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Country [10]
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Bulgaria
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State/province [10]
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Sofia
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Country [11]
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Czechia
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State/province [11]
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Prague
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Finland
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State/province [12]
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Helsinki
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Country [13]
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France
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Paris
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Country [14]
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Germany
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State/province [14]
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Chemnitz
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Country [15]
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Israel
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State/province [15]
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Petach Tikva
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Country [16]
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Italy
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State/province [16]
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Milano
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Country [17]
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Italy
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State/province [17]
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Modena
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Country [18]
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Korea, Republic of
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State/province [18]
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Seoul
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Mexico
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State/province [19]
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Mexico City
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Country [20]
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Netherlands
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State/province [20]
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Rotterdam
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Country [21]
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Norway
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State/province [21]
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Bergen
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Poland
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State/province [22]
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Warsaw
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Country [23]
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South Africa
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State/province [23]
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Cape Town
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Country [24]
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Spain
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State/province [24]
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Barcelona
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Country [25]
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Spain
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State/province [25]
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Murcia
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Country [26]
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Switzerland
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State/province [26]
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Zurich
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Country [27]
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Taiwan
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State/province [27]
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Taipei City
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Country [28]
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United Kingdom
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State/province [28]
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Wales
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Country [29]
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United Kingdom
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State/province [29]
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London
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Alnylam 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
The purpose of this study is to characterize the natural history and clinical management of Acute Hepatic Porphyria (AHP) patients with recurring attacks.
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Trial website
https://clinicaltrials.gov/study/NCT02240784
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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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Medical Director
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Address
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Alnylam 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
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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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/NCT02240784