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A Study to Evaluate Safety and Efficacy of Bomedemstat (MK-3543-017)

Study Purpose

The primary purpose of the study is to transition participants into an extension study to collect long-term safety and efficacy data. The study will include participants who are safely tolerating bomedemstat, receiving clinical benefit from its use in estimation of the investigator, and have shown the following criteria:

  • - Participants from the IMG-7289-202/MK-3543-005 (NCT05223920) study must have received at least 6 months of treatment with bomedemstat; - Essential thrombocythemia (ET) and polycythemia vera (PV) participants from studies other than IMG-7289-202/MK-3543-005 must have achieved confirmed hematologic remission.
No hypothesis testing will be conducted in this study.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

Interventional
Eligible Ages 18 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

  • - Is from a bomedemstat study sponsored by Imago Biosciences, Inc.
(a subsidiary of Merck & Co., Inc.) or MSD, and established by the Sponsor as MK-3543-017 ready.
  • - Has received at least 6 months of treatment with bomedemstat in the IMG-7289-202/MK-3543-005 study, while safely tolerating bomedemstat, and receiving clinical benefit from its use in the estimation of the investigator.
  • - ET and PV participants from established feeder studies other than IMG-7289- 202/MK-3543-005 must have achieved confirmed hematologic remission, must be safely tolerating bomedemstat, and must be receiving clinical benefit from its use in the estimation of the investigator.
  • - Be able to initiate study intervention on Day 1 of the extension study (ie, not currently on a dose hold) - Participant must be able to swallow oral medication and follow instructions for at-home dosing of bomedemstat.

Exclusion Criteria:

  • - Has received prohibited concomitant medications.
  • - Ongoing or planned participation in another investigational study.
- Has noncompliance in prior bomedemstat study receiving <90% of assigned doses excluding suspensions or holds as assigned by the investigator

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

NCT06351631
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Phase 3
Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Merck Sharp & Dohme LLC
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

Medical Director
Principal Investigator Affiliation Merck Sharp and Dohme LLC
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Industry
Overall Status Recruiting
Countries Australia, New Zealand
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

Thrombocythemia, Essential, Primary Myelofibrosis, Myelofibrosis, Post-polycythemia Vera Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis, Polycythemia Vera
Study Website: View Trial Website
Arms & Interventions

Arms

Experimental: Bomedemstat

Participants will receive oral capsules of bomedemstat once daily for up to 10 years, with the starting dose as the same dose that the participant was on at the time of transition from the feeder study.

Interventions

Drug: - Bomedemstat

10, 15, 20, and 50 mg oral capsules

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

International Sites

Adelaide, South Australia, Australia

Status

Recruiting

Address

Royal Adelaide Hospital-Haematology Clinical Trials Unit ( Site 1000)

Adelaide, South Australia, 5000

Site Contact

Study Coordinator

[email protected]

61870744133

Auckland, New Zealand

Status

Recruiting

Address

North Shore Hospital-Department of Haematology ( Site 1401)

Auckland, , 0622

Site Contact

Study Coordinator

[email protected]

64948689207108

Aotearoa Clinical Trials ( Site 1400), Auckland, New Zealand

Status

Recruiting

Address

Aotearoa Clinical Trials ( Site 1400)

Auckland, , 2025

Site Contact

Study Coordinator

[email protected]

+6492760044