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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT06253221
Registration number
NCT06253221
Ethics application status
Date submitted
2/02/2024
Date registered
12/02/2024
Titles & IDs
Public title
A Study to Evaluate Mavacamten in Adolescents With Symptomatic Obstructive Hypertrophic Cardiomyopathy
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Scientific title
A Randomized, Double-blind, Placebo-controlled Clinical Study to Evaluate Mavacamten in Adolescents (Age 12 Years to < 18 Years) With Symptomatic Obstructive Hypertrophic Cardiomyopathy
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Secondary ID [1]
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2023-505650-17-00
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Secondary ID [2]
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CV027-010
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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:
Cardiomyopathy, Hypertrophic
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Condition category
Condition code
Cardiovascular
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Other cardiovascular diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Mavacamten
Treatment: Drugs - Placebo
Experimental: Mavacamten - Participants assigned to this arm will receive mavacamten (1 mg to 15 mg) from day 1 to end of treatment at week 200.
Experimental: Placebo - Participants assigned to this arm will receive mavacamten (1 mg to 15 mg) from week 28 to end of treatment at week 200.
Treatment: Drugs: Mavacamten
Specified dose on specified days
Treatment: Drugs: Placebo
Specified dose on specified days
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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 from baseline in Valsalva left ventricular outflow tract (LVOT) (VLVOT) gradient
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Assessment method [1]
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Timepoint [1]
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At Week 28
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Secondary outcome [1]
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Change from baseline in resting LVOT gradient
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Assessment method [1]
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Timepoint [1]
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At Week 28
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Secondary outcome [2]
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Change from baseline in post-exercise peak LVOT gradient
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Assessment method [2]
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Timepoint [2]
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At Week 28
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Secondary outcome [3]
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Change from baseline in maximal wall thickness
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Assessment method [3]
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Timepoint [3]
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At Week 28
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Secondary outcome [4]
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Change from baseline in ratio between early mitral inflow velocity and mitral annular early diastolic velocity (E/e')
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Assessment method [4]
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Timepoint [4]
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At Week 28
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Secondary outcome [5]
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Proportion of participants achieving an increase from baseline to Week 28 in peak oxygen uptake test (pVO2)
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Assessment method [5]
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Timepoint [5]
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From baseline up to Week 28
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Secondary outcome [6]
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Proportion of participants achieving a reduction from baseline to Week 28 in maximal LVOT gradient to < 30 mmHg
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Assessment method [6]
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Timepoint [6]
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From baseline up to Week 28
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Secondary outcome [7]
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Proportion of participants with at least 1 class improvement in New York Heart Association (NYHA) class from baseline to Week 28
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Assessment method [7]
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Timepoint [7]
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From baseline up to Week 28
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Secondary outcome [8]
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Proportion of participants with at least 1 grade improvement in mitral regurgitation at Week 28
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Assessment method [8]
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Timepoint [8]
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From baseline up to Week 28
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Secondary outcome [9]
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Number of participants with treatment-emergent adverse events (TEAEs)
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Assessment method [9]
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Timepoint [9]
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Up to Week 218
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Secondary outcome [10]
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Number of participants with treatment-emergent serious adverse events (TESAEs)
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Assessment method [10]
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Timepoint [10]
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Up to Week 218
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Secondary outcome [11]
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Change from baseline in electrocardiogram (ECG) (QT interval)
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Assessment method [11]
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Timepoint [11]
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At Week 28
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Secondary outcome [12]
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Number of participants with left ventricular ejection fraction (LVEF) = 30%
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Assessment method [12]
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Timepoint [12]
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Up to Week 200
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Secondary outcome [13]
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Number of participants with LVEF = 50%
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Assessment method [13]
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Timepoint [13]
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Up to Week 200
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Secondary outcome [14]
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Trough observed plasma concentration (Ctrough)
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Assessment method [14]
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Timepoint [14]
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Up to Week 200
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Secondary outcome [15]
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Post-dose plasma concentration of mavacamten
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Assessment method [15]
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Timepoint [15]
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Up to Week 200
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Secondary outcome [16]
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Maximum observed concentration (Cmax)
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Assessment method [16]
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Timepoint [16]
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Up to Week 200
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Secondary outcome [17]
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Area under the concentration-time curve (AUC)
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Assessment method [17]
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Timepoint [17]
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Up to Week 200
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Secondary outcome [18]
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Proportion of participants who evaluate taste and swallowability as neutral or better using taste and swallowability scales
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Assessment method [18]
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Timepoint [18]
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At Day 1 and Week 11
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Secondary outcome [19]
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Change from baseline in the Hypertrophic Cardiomyopathy Symptom Questionnaire - Shortness of Breath (HCMSQ SoB) domain
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Assessment method [19]
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Timepoint [19]
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At Week 28
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Eligibility
Key inclusion criteria
* Diagnosis of HCM
* Presence of LVOT obstruction
* Presence of symptoms
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Minimum age
12
Years
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Maximum age
17
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
* Phenocopy diseases resulting in myocardial hypertrophy not related to sarcomere dysfunction
* Evidence of LVEF <50% in prior 6 months
* Planned escalation in HCM therapy or upcoming intervention (eg, major cardiac surgery, HCM medication dose increase)
Other protocol-defined Inclusion/Exclusion criteria apply.
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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
Recruiting
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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
17/04/2024
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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
28/03/2031
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Actual
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Sample size
Target
40
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,VIC
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Recruitment hospital [1]
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Local Institution - 0020 - Sydney
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Recruitment hospital [2]
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Local Institution - 0042 - Clayton
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Recruitment hospital [3]
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Local Institution - 0028 - Parkville
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Recruitment postcode(s) [1]
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2145 - Sydney
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Recruitment postcode(s) [2]
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3168 - Clayton
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Recruitment postcode(s) [3]
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3052 - Parkville
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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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Country [2]
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United States of America
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State/province [2]
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Arizona
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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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California
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United States of America
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Colorado
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Country [5]
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United States of America
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Florida
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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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Georgia
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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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Illinois
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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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Indiana
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Country [9]
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United States of America
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State/province [9]
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Massachusetts
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Country [10]
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State/province [10]
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Michigan
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Country [11]
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United States of America
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State/province [11]
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Missouri
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Country [12]
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New Jersey
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Country [13]
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State/province [13]
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New York
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Country [14]
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North Carolina
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Country [15]
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Ohio
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Country [16]
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United States of America
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State/province [16]
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Pennsylvania
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Country [17]
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United States of America
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State/province [17]
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Tennessee
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Country [18]
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United States of America
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State/province [18]
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Texas
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Country [19]
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Utah
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Alberta
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Canada
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State/province [23]
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Ontario
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France
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Paris
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France
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Pessac
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Germany
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BE
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Germany
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BY
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Country [28]
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Ireland
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State/province [28]
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Dublin 12, D12 N512
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Italy
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FI
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Italy
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GE
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Italy
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Napoli
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Spain
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B
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Spain
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GR
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Spain
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Spain
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A Coruna
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Spain
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State/province [36]
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Madrid
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Country [37]
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United Kingdom
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BFS
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Country [38]
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United Kingdom
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State/province [38]
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London
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Bristol-Myers Squibb
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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 evaluate the efficacy, safety, and pharmacokinetics of mavacamten in adolescent patients with symptomatic obstructive hypertrophic cardiomyopathy (HCM).
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Trial website
https://clinicaltrials.gov/study/NCT06253221
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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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Bristol-Myers Squibb
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Address
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Bristol-Myers Squibb
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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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BMS Study Connect Contact Center www.BMSStudyConnect.com
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Address
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Country
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Phone
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855-907-3286
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Fax
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Email
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[email protected]
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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)?
Yes
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What data in particular will be shared?
BMS will provide access to individual anonymized participant data upon request from qualified researchers, and subject to certain criteria. Additional information regarding Bristol Myer Squibb's data sharing policy and process can be found at: https://www.bms.com/researchers-and-partners/clinical-trials-and-research/disclosure-commitment.html
Supporting document/s available: Study protocol, Statistical analysis plan (SAP), Clinical study report (CSR)
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When will data be available (start and end dates)?
See plan description
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Available to whom?
See plan description
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Available for what types of analyses?
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How or where can data be obtained?
IPD available at link: https://www.bms.com/researchers-and-partners/clinical-trials-and-research/disclosure-commitment.html
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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/NCT06253221