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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04254978
Registration number
NCT04254978
Ethics application status
Date submitted
15/01/2020
Date registered
5/02/2020
Titles & IDs
Public title
Study of Bomedemstat in Participants With Essential Thrombocythemia (IMG-7289-CTP-201/MK-3543-003)
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Scientific title
A Phase 2 Multi-Center, Open Label Study to Assess the Safety, Efficacy and Pharmacodynamics of IMG-7289 in Patients With Essential Thrombocythemia
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Secondary ID [1]
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MK-3543-003
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Secondary ID [2]
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IMG-7289-CTP-201
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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:
Essential Thrombocythemia
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Condition category
Condition code
Blood
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Haematological diseases
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Blood
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Other blood disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Bomedemstat
Experimental: Bomedemstat - Bomedemstat administered daily for 169 consecutive days
Treatment: Drugs: Bomedemstat
Oral administration
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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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Number of Participants Who Experienced an Adverse Event (AE)
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Assessment method [1]
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An AE is any undesirable physical, psychological or behavioral effect experienced by a participant during the study, in conjunction with the use of the drug or biologic, whether or not product related. This includes any untoward signs or symptoms experienced by the participant from the time of first dose with study treatment until completion of the study. The number of participants who experienced an AE is reported.
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Timepoint [1]
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Up to approximately 30 months
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Primary outcome [2]
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Number of Participants Who Discontinued Study Treatment Due to an AE
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Assessment method [2]
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An AE is any undesirable physical, psychological or behavioral effect experienced by a patient during participation in the study, in conjunction with the use of the drug or biologic, whether or not product-related. This includes any untoward signs or symptoms experienced by the patient from the time of first dose with study treatment until completion of the study. The number of participants who discontinued study treatment due to an AE is reported.
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Timepoint [2]
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Up to approximately 28 months
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Primary outcome [3]
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Percentage of Participants With Platelet Count =400 k/µL at Day 169
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Assessment method [3]
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Blood samples were collected at pre-specified timepoints to determine platelet counts. The percentage of participants who achieved reduction in platelet count to =400k/µL in the absence of new thrombolytic events is reported.
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Timepoint [3]
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Up to day 169
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Eligibility
Key inclusion criteria
* Diagnosis of Essential Thrombocythemia per World Health Organization (WHO) diagnostic criteria for myeloproliferative neoplasms.
* Requires treatment in order to lower platelet count based on patient age over 60 or history of thrombosis.
* Have failed at least one standard therapy
* Must have discontinued ET therapy at least 1 week (4 weeks for interferon) prior to study drug initiation.
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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
* Has undergone major surgery =4 weeks prior to starting study drug or has not recovered from side effects of such surgery.
* Unresolved treatment related toxicities from prior therapies (unless resolved to = Grade 1).
* Uncontrolled active infection.
* Current use of prohibited medications
* Known HIV infection or active Hepatitis B or Hepatitis C virus infection
* Other hematologic/biochemistry requirements, as per protocol
* Use of investigational agent within last 14 days
* Pregnant or lactating females
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Study design
Purpose of the study
Treatment
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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 2
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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
8/09/2020
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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
23/03/2023
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Sample size
Target
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Accrual to date
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Final
73
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Recruitment in Australia
Recruitment state(s)
BrisbaneNSW,QLD,SA,VIC
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Recruitment hospital [1]
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Local Institution - Herston
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Recruitment hospital [2]
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Local Institution - Camperdown
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Recruitment hospital [3]
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Local Institution - St Leonards
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Recruitment hospital [4]
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Local Institution - Southport
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Recruitment hospital [5]
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Royal Adelaide Hospital - Adelaide
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Recruitment hospital [6]
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Local Institution - Clayton
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Recruitment postcode(s) [1]
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- Herston
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Recruitment postcode(s) [2]
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- Camperdown
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Recruitment postcode(s) [3]
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2065 - St Leonards
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Recruitment postcode(s) [4]
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- Southport
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Recruitment postcode(s) [5]
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5000 - Adelaide
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Recruitment postcode(s) [6]
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3168 - Clayton
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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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Florida
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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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Michigan
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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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New York
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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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North Carolina
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Country [5]
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United States of America
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Ohio
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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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Washington
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Country [8]
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Germany
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State/province [8]
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Essen
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Country [9]
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Germany
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State/province [9]
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Jena
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Country [10]
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Hong Kong
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State/province [10]
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Hong Kong
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Country [11]
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Italy
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State/province [11]
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Alessandria
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Country [12]
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Italy
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State/province [12]
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Bologna
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Country [13]
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Italy
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State/province [13]
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Florence
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Country [14]
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Italy
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State/province [14]
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Varese
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Country [15]
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New Zealand
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State/province [15]
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Auckland
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Country [16]
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United Kingdom
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State/province [16]
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London
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Country [17]
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United Kingdom
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State/province [17]
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Oxford
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Imago BioSciences, Inc., a subsidiary of Merck & Co., Inc., (Rahway, New Jersey USA)
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
This is a Phase 2b open label study of an orally administered LSD1 inhibitor, Bomedemstat (MK-3543, formerly called IMG-7289), in patients with essential thrombocythemia. This study investigates the following: * The safety and tolerability of Bomedemstat * The pharmacodynamic effect of Bomedemstat
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Trial website
https://clinicaltrials.gov/study/NCT04254978
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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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Merck Sharp & Dohme LLC
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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
Type
Other Details
Attachment
Study protocol
https://cdn.clinicaltrials.gov/large-docs/78/NCT04254978/Prot_000.pdf
Statistical analysis plan
https://cdn.clinicaltrials.gov/large-docs/78/NCT04254978/SAP_001.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT04254978