A Study of Bomedemstat (IMG-7289/MK-3543) Compared to Best Available Therapy (BAT) in Participants With Essential Thrombocythemia and an Inadequate Response or Intolerance of Hydroxyurea (MK-3543-006)
Part of paid clinical trials in Glendale, Arizona.
- Sponsor
- Merck Sharp & Dohme LLC
- Study ID
- NCT06079879
- Phase
- PHASE3
- Status
- Recruiting
Conditions
- Essential Thrombocythemia
Eligibility Criteria
- Sex
- ALL
- Age
- 18 Years - N/A
- Healthy Volunteers
- Not accepted
Interventions
- Bomedemstat — DRUGOral Capsule
- Anagrelide — DRUGOral Capsule
- Busulfan — DRUGOral Tablet
- Interferon alfa/pegylated interferon alfa 2a/pegylated interferon alfa 2b — DRUGSubcutaneous Solution
- Ruxolitinib — DRUGOral Tablet
Study Details
This is a study evaluating the safety and efficacy of bomedemstat (MK-3543) compared with the best available therapy (BAT) in participants with essential thrombocythemia (ET) who have an inadequate response to or are intolerant of hydroxyurea. The primary study hypothesis is that bomedemstat is superior to the best available therapy with respect to durable clinicohematologic response (DCHR).
Key Dates
- Start date
- Dec 31, 2023
- Status verified
- Jun 2026
- Primary completion
- Jul 30, 2027
- Completion
- Aug 18, 2028
Study Design
- Enrollment
- 340 participants (estimated)
- Allocation
- RANDOMIZED
- Intervention model
- PARALLEL
- Primary purpose
- TREATMENT
Arms
- Experimental: BomedemstatParticipants will begin treatment at a dose of 50 mg of bomedemstat daily. Dosage will be adjusted either up or down within specified time parameters for each participant to the dose that provides sufficient exposure to safely inhibit thrombopoiesis to decrease platelet counts to the target range. All participants will be treated daily for up to 52 weeks, and are eligible for an extended treatment phase up to 156 weeks.
- Active Comparator: Best Available TherapyEach participant will receive either anagrelide, busulfan, interferon alfa/pegylated interferon alfa 2a/pegylated interferon alfa 2b, or ruxolitinib as determined by investigator. All participants will be treated per respective approved product labels for up to 52 weeks. Participants receiving BAT for 52 weeks who stop responding to BAT are eligible to switch to bomedemstat and receive this for up to 156 weeks at the investigators discretion.
Primary Outcome Measure
Durable Clinicohematologic Response (DCHR) Rate [ Time Frame: Up to approximately 52 weeks ]
Central Contacts
- Toll Free Number1-888-577-8839
Locations (16)
| Facility | City | State | ZIP | Site coordinators |
|---|---|---|---|---|
| Palo Verde Hematology/ Oncology Center, Ltd. ( Site 3496) | Glendale | Arizona | 85304 | Study Coordinator 602-978-6255 |
| Los Angeles Cancer Network ( Site 3491) | Glendale | California | 91206 | Study Coordinator 213-977-1214 |
| Stanford Cancer Institute ( Site 0107) | Stanford | California | 94305-5826 | Study Coordinator 650-497-6575 |
| The Lundquist Institute ( Site 3423) | Torrance | California | 90502 | Study Coordinator 323-457-1378 |
| University of Colorado Anschutz Medical Campus ( Site 3425) | Aurora | Colorado | 80045 | Study Coordinator 720-848-9260 |
| Tufts Medical Center ( Site 3408) | Boston | Massachusetts | 02111 | Study Coordinator 617-636-2675 |
| University of Michigan ( Site 0008) | Ann Arbor | Michigan | 48109 | Study Coordinator 734-615-3137 |
| Henry Ford Hospital ( Site 3413) | Detroit | Michigan | 48202 | Study Coordinator 313-556-8833 |
| Optum Care Cancer Center ( Site 3497) | Las Vegas | Nevada | 89102 | Study Coordinator 702-724-8787 |
| Roswell Park Cancer Institute ( Site 3421) | Buffalo | New York | 14263 | Study Coordinator 317-966-5359 |
| Duke University Health System (DUHS) ( Site 0016) | Durham | North Carolina | 27710 | Study Coordinator 919-668-1608 |
| Wake Forest Baptist Health-Internal Medicine, Section on Hematology & Oncology ( Site 3400) | Winston-Salem | North Carolina | 27157 | Study Coordinator 336-713-5440 |
| Oncology Associates of Oregon, P.C.(Willamette Valley Cancer Institute) (WVCI) ( Site 8000) | Eugene | Oregon | 97401 | Study Coordinator 541-683-5001 |
| Medical University of South Carolina-Hollings Cancer Center ( Site 3426) | Charleston | South Carolina | 29425 | Study Coordinator 843-792-9300 |
| University of Virginia ( Site 3422) | Charlottesville | Virginia | 22908 | Study Coordinator 434-310-0987 |
| VCU Health Adult Outpatient Pavillion ( Site 3416) | Richmond | Virginia | 23219 | Study Coordinator 804-828-2177 |
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