Overview
Sponsor-declared trial summary
Symptomatic Obstructive Hypertrophic Cardiomyopathy
The purpose of this study is to see if mavacamten treatment reduces the heart wall (ventricle) thickness and size of the upper heart chamber (atria) on imaging studies by cardiac magnetic resonance (CMR).
Key facts
- Sponsor
- Myokardia Inc.
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Cardiovascular Diseases [C14]
- Trial duration
- completed 15 Mar 2024
- Decision date (initial)
- 2024-02-12
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- Yes
- Funding sources
- Myokardia, Inc, A Wholly Owned Susidiary of Bristol Myers Squibb Company.
External identifiers
- EU CT number
- 2022-502316-36-00
- WHO UTN
- U1111-1284-1414
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Efficacy
The purpose of this study is to see if mavacamten treatment reduces the heart wall (ventricle) thickness and size of the upper heart chamber (atria) on imaging studies by cardiac magnetic resonance (CMR).
Secondary objectives 1
- To explore the effect of mavacamten on the NYHA functional classification as well as safety events during the study period.
Conditions and MedDRA coding
Symptomatic Obstructive Hypertrophic Cardiomyopathy
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.0 | PT | 10020871 | Hypertrophic cardiomyopathy | 100000004850 |
Regulatory references
| EU CT number | Title | Sponsor |
|---|---|---|
| 2022-502858-14-00 | A Long-term Safety Extension Study of Mavacamten (MYK-461) in Adults with Hypertrophic Cardiomyopathy Who Have Completed the MAVERICKHCM (MYK-461-006) or EXPLORER-HCM (MYK-461-005) Trials (MAVA-LTE) | Myokardia Inc. |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 1
- This trial will assess elegible adults with symptomatic oHCM (NYHA Funtional Class II or III)
Exclusion criteria 1
- Adults with no symptomatic oHCM (NYHA Funtional Class II or III)
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- To evaluate the efficacy of mavacamten on both the reduction in heart wall thickness and upper chamber size at week 48 on cardiac magnetic resonance (CMR).
Secondary endpoints 1
- To evaluate the impact of mavacamten treatment: on improvement of heart failure class in symptomatic oHCM (New York Heart Association [NYHA] Functional Class) as well as monitor for other cardiac events as a safety assessment.
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 4
PRD10116939 · Product
- Active substance
- Mavacamten
- Substance synonyms
- MYK-461, 6-{[(1S)-1-phenylethyl]amino}-3-(propan-2-yl)-1,2,3,4 tetrahydropyrimidine-2,4-dione, SAR439152, 3-(1-methylethyl)-6-[[(1S)-1-phenylethyl]amino]-2,4(1H,3H)-pyrimidinedione
- Other product name
- 10 mg per capsule
- Pharmaceutical form
- CAPSULE
- Route of administration
- ORAL
- Max daily dose
- 15 mg milligram(s)
- Max total dose
- 15 mg milligram(s)
- Max treatment duration
- 96 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- BRISTOL-MYERS SQUIBB INTERNATIONAL CORPORATION
- Paediatric formulation
- No
- Orphan designation
- No
PRD10116938 · Product
- Active substance
- Mavacamten
- Substance synonyms
- MYK-461, 6-{[(1S)-1-phenylethyl]amino}-3-(propan-2-yl)-1,2,3,4 tetrahydropyrimidine-2,4-dione, SAR439152, 3-(1-methylethyl)-6-[[(1S)-1-phenylethyl]amino]-2,4(1H,3H)-pyrimidinedione
- Other product name
- 5 mg per capsule
- Pharmaceutical form
- CAPSULE
- Route of administration
- ORAL
- Max daily dose
- 15 mg milligram(s)
- Max total dose
- 15 mg milligram(s)
- Max treatment duration
- 96 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- BRISTOL-MYERS SQUIBB INTERNATIONAL CORPORATION
- Paediatric formulation
- No
- Orphan designation
- No
PRD10116937 · Product
- Active substance
- Mavacamten
- Substance synonyms
- MYK-461, 6-{[(1S)-1-phenylethyl]amino}-3-(propan-2-yl)-1,2,3,4 tetrahydropyrimidine-2,4-dione, SAR439152, 3-(1-methylethyl)-6-[[(1S)-1-phenylethyl]amino]-2,4(1H,3H)-pyrimidinedione
- Other product name
- 2.5 mg per capsule
- Pharmaceutical form
- CAPSULE
- Route of administration
- ORAL
- Max daily dose
- 15 mg milligram(s)
- Max total dose
- 15 mg milligram(s)
- Max treatment duration
- 96 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- BRISTOL-MYERS SQUIBB INTERNATIONAL CORPORATION
- Paediatric formulation
- No
- Orphan designation
- No
PRD10116941 · Product
- Active substance
- Mavacamten
- Substance synonyms
- MYK-461, 6-{[(1S)-1-phenylethyl]amino}-3-(propan-2-yl)-1,2,3,4 tetrahydropyrimidine-2,4-dione, SAR439152, 3-(1-methylethyl)-6-[[(1S)-1-phenylethyl]amino]-2,4(1H,3H)-pyrimidinedione
- Other product name
- 15 mg per capsule
- Pharmaceutical form
- CAPSULE
- Route of administration
- ORAL
- Max daily dose
- 15 mg milligram(s)
- Max total dose
- 15 mg milligram(s)
- Max treatment duration
- 96 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- BRISTOL-MYERS SQUIBB INTERNATIONAL CORPORATION
- Paediatric formulation
- No
- Orphan designation
- No
Placebo 1
N/A · Product
- Other product name
- N/A
- Pharmaceutical form
- N/A
- ATC code
- N/A — N/A
- Marketing authorisation
- N/A
- MA holder
- N/A
- MA country
- Iceland
- Paediatric formulation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Myokardia Inc.
- Sponsor organisation
- Myokardia Inc.
- Address
- 1000 Sierra Point Pky
- City
- Brisbane
- Postcode
- 94005
- Country
- United States
Scientific contact point
- Organisation
- Myokardia Inc.
- Contact name
- GSM-CT
Public contact point
- Organisation
- Myokardia Inc.
- Contact name
- GSM-CT
Third parties 8
| Organisation | City, country | Duties |
|---|---|---|
| Signant Health Global LLC ORG-100040604
|
Blue Bell, United States | Other |
| Perceptive Informatics Inc. ORG-100013171
|
Billerica, United States | Code 13 |
| Pharmaceutical Product Development LLC ORG-100016999
|
Wilmington, United States | On site monitoring, Code 10, Code 11, Code 12, Code 2, Data management, Code 8, Code 9 |
| RWS Life Sciences Inc. ORG-100042348
|
East Hartford, United States | Other |
| Yprime LLC ORG-100042888
|
Malvern, United States | Interactive response technologies (IRT) |
| PPD Global Ltd. ORG-100007531
|
Marousi, Greece | On site monitoring, Code 12, Code 2, Code 8 |
| Greenphire LLC ORG-100041621
|
King Of Prussia, United States | Other |
| Labcorp Central Laboratory Services LP ORG-100032236
|
Indianapolis, United States | Laboratory analysis |
Locations
11 EU/EEA countries · 50 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Austria | Ended | 11 | 5 |
| Belgium | Ended | 10 | 5 |
| Czechia | Ended | 7 | 2 |
| Finland | Ended | 5 | 2 |
| France | Ended | 7 | 4 |
| Germany | Ended | 7 | 4 |
| Greece | Ended | 12 | 6 |
| Hungary | Ended | 12 | 6 |
| Italy | Ended | 11 | 6 |
| Poland | Not authorised | 11 | 3 |
| Spain | Ended | 12 | 7 |
| Rest of world
Argentina, United States, Australia, Switzerland, United Kingdom, Canada
|
— | 70 | — |
Investigational sites
Application history
1 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2023-09-28 | Austria | Acceptable with conditions 2024-02-05
|
2024-02-06 |