Fractionated Gemtuzumab Ozogamicin in Treating Measurable Residual Disease in Patients With Acute Myeloid Leukemia

Recruiting now · Phase 2

Conditions studied: Acute Myeloid Leukemia

In brief

This phase II trial studies the how well fractionated gemtuzumab ozogamicin works in treating measurable residual disease in patients with acute myeloid leukemia. Gemtuzumab ozogamicin is a monoclonal antibody, called gemtuzumab, linked to a chemotherapy drug, called ozogamicin. Gemtuzumab is a form of targeted therapy because it attaches to specific molecules (receptors) on the surface of cancer cells, known as CD33 receptors, and delivers a chemotherapy known as calicheamicin to kill them.

Key facts

Study ID: NCT03737955
Run by: University of Washington
People needed: 36
Starts: 2018-11-30
Expected to finish: 2026-12-31
Last updated by the study team: 2026-01-28

Who can join

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

You may qualify if…

Prior diagnosis AML based on 2016 World Health Organization criteria. Acute promyelocytic leukemia (APL) and biphenotypic AML are not eligible
Patients must have MRD-level disease only and otherwise meet criteria for complete response (CR) or complete remission with incomplete hematologic recovery (CRi) per the 2017 European Leukemia Net response criteria (< 5% blasts in the marrow without a requirement for peripheral blood count recovery). MRD must be measurable by multiparameter flow cytometry (MPFC) and/or polymerase chain reaction (PCR)-based molecular markers and/or karyotypic markers (e.g., classical cytogenetics or fluorescence in situ hybridization). MRD status will be centrally confirmed by the UW/FHCRC clinical laboratory in order to standardize response assessment following administration of study therapy.
Patients must have received at least 1 cycle of standard induction chemotherapy prior to enrollment on the study. However, adult patients (>= 18 years of age) are eligible for participation at any time point in treatment (after induction, during or after consolidation, pre-transplant, or post-transplant).
Age >= 18 years of age
Eastern Cooperative Oncology Group (ECOG) performance status =< 3
Patient's AML blasts must have CD33 expression.
For adults (>= 18 years of age): Serum creatinine =< 2.0 mg/dL.
For adults (>= 18 years of age): Total bilirubin =< 2 x institutional upper limit of normal for age (unless known history of Gilbert's disease).
For adults (>= 18 years of age): Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) < 2.5 x institutional upper limit of normal for age (unless thought to be related to resolving infectious complications).
Ability of patient to provide written informed consent.
Females of childbearing potential must have a negative pregnancy test prior to receiving GO.
Patients who re-enroll must have achieved an MRD-negative CR during their prior enrollment

You may not qualify if…

Subjects who have had chemotherapy or radiation therapy within 14 days prior to entering the study.
Subjects may not be receiving other investigational agents.
Uncontrolled or concurrent illness including, but not limited to, uncontrolled infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.

Where it is running

Fred Hutchinson Cancer Center/University of Washington Cancer Consortium — Seattle, Washington, United States (enrolling)

Full record on ClinicalTrials.gov

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