A Study of MGD024 in Patients With Relapsed or Refractory Hematologic Malignancies

Running, not enrolling · Phase 1

Conditions studied: Leukemia, Acute Myeloid, Myelodysplastic Syndromes, Classical Hodgkin Lymphoma, Leukemia, B-cell, Leukemia, Hairy Cell, Mastocytosis, Aggressive Systemic, Blastic Plasmacytoid Dendritic Cell Neoplasm, Chronic Myeloid Leukemia

In brief

CP-MGD024-01 is a Phase 1, open-label, multi-center study of MGD024 as a single agent in participants with select blood cancers that have not responded to treatment with standard therapies or who have relapsed after treatment. The study is designed to determine the safety, tolerability, pharmacokinetics (affect of the body on the drug), pharmacodynamic (affect of the drug on the body), immunogenicity (development of antibodies against the drug), and preliminary anti-cancer effect of MGD024. Participants will receive treatment with MGD024 in consecutive 28-day cycles for a study treatment period of up to 12 cycles (approximately 1 year) or until treatment or study discontinuation criteria are met. Response assessments will be performed after Cycle 1 and then after every even numbered cycle starting with Cycle 2 until progression or study treatment discontinuation. Participants will be checked for side effects throughout the study.

Key facts

Study ID

NCT05362773

Run by

MacroGenics

People needed

130

Starts

2022-07-13

Expected to finish

2027-05-01

Last updated by the study team

2026-07-28

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Adult patients at least 18 years of age, able to provide informed consent and willing to comply with all study procedures.
• Participants with
• primary or secondary acute myeloid leukemia (AML) except acute promyelocytic leukemia,
• primary or secondary myelodysplastic syndrome (MDS) with prognostic score of >3 and <20% bone marrow blasts,
• classical Hodgkin lymphoma (cHL),
• chronic myelogenous leukemia (CML),
• b-cell acute lymphocytic leukemia (B-ALL),
• hariy cell leukemia (HCL),
• advanced systemic mastocytosis (ASM), or
• blastic plasmacytoid dendritic cell neoplasm (BPDCM)
• Relapsed after or refractory to at least one prior line of therapy and with no available potentially curative treatment option.
• Evidence of at least 20% of malignant cells with CD123 expression.
• Eastern Cooperative Oncology Group (ECOG) performance status of ≤ 2.
• Life expectancy of at least 12 weeks.
• Acceptable laboratory values, and heart function.
• Continuing side effects of prior treatment are mild
• Women and men of childbearing potential must agree to use highly effective forms of contraception throughout the study through 4 months after the last dose of MGD024.

You may not qualify if…

• Prior treatment with an anti-CD123-directed agent (except patients with BPDCN, who are allowed to have received prior tagraxofusp).
• Known involvement of central nervous system (CNS) by the disease under investigation.
• History or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the patient's participation for the full duration of the trial, or is not in the best interest of the patient.
• Systemic anti-cancer therapy, investigational therapy, corticosteroids or other immune suppressive drugs within 14 days of first dose
• Vaccination with any live virus vaccine within 4 weeks prior to first dose. Inactivated annual influenza and SARS-CoV-2 vaccination are allowed.

Where it is running

• Colorado Blood Cancer Network — Denver, Colorado, United States
• University of Maryland, Greenbaum Comprehensive Cancer Center — Baltimore, Maryland, United States
• Dana Farber Cancer Institute — Boston, Massachusetts, United States
• START - Midwest — Grand Rapids, Michigan, United States
• Washington University School of Medicine — St Louis, Missouri, United States
• Duke University Medical Center — Durham, North Carolina, United States
• South Austin Medical Center — Austin, Texas, United States

Full record on ClinicalTrials.gov

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