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OncoMatch/Clinical Trials/NCT05558124

CPX-351 in Combination With Gemtuzumab Ozogamicin in Newly Diagnosed AML

Is NCT05558124 recruiting? Yes, currently enrolling (Jun 2026). This Phase 1 trial studies multiple treatments including Vyxeos and Gemtuzumab Ozogamicin for acute myeloid leukemia.

Phase 1RecruitingH. Lee Moffitt Cancer Center and Research InstituteNCT05558124Data as of Jun 2026

Treatment: Vyxeos · Gemtuzumab OzogamicinThe purpose of the study is to determine the safety of combining the drugs gemtuzumab ozogamicin (GO) with CPX-351 in order to treat the disease, as well as to find the maximum tolerated dose level and recommended Phase 2 dose level of GO with a fixed dose of CPX-351.

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Extracted eligibility criteria

Treatments studied

Targeted therapy

Gemtuzumab Ozogamicin

Other

Vyxeos

Cancer type

Acute Myeloid Leukemia

Biomarker criteria

Required: CD33 expression

Myeloblasts expressing CD33 as determined by flow cytometry or immunohistochemistry

Required: FLT3 ITD mutation

Any patient with a known FLT3 ITD or FLT3 TKD mutation [excluded]

Required: FLT3 TKD mutation

Any patient with a known FLT3 ITD or FLT3 TKD mutation [excluded]

Performance status

ECOG 0–2(Ambulatory, capable of self-care)

Demographics

Ages ≤ 70

Prior therapy

No prior treatment (treatment-naive required)
Max 0 prior lines

Cannot have received: AML therapy

Exception: hydroxyurea and/or leukapheresis allowed

Prior treatment of AML except hydroxyurea and/or leukapheresis

Lab requirements

Liver function

Severe liver disease (cirrhosis, non-alcoholic steatohepatitis, sclerosing cholangitis) or patients with known Wilson's disease [excluded]

Cardiac function

Adequate cardiac function defined as ejection fraction of ≥50% as determined by MUGA or 2D echocardiogram; Uncontrolled cardiac disease including congestive heart failure class III or IV by the NYHA, unstable angina (angina symptoms at rest), new onset angina (began within the last 3 months) or myocardial infarction within the past 6 months [excluded]

Participants must have acceptable organ function; Adequate cardiac function defined as ejection fraction of ≥50% as determined by multigated acquisition scan (MUGA) or 2D echocardiogram; Severe liver disease (cirrhosis, non-alcoholic steatohepatitis, sclerosing cholangitis) or patients with known Wilson's disease [excluded]; Uncontrolled cardiac disease including congestive heart failure class III or IV by the NYHA, unstable angina (angina symptoms at rest), new onset angina (began within the last 3 months) or myocardial infarction within the past 6 months [excluded]

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Moffitt Cancer Center · Tampa, Florida

Showing up to 5 US sites.

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Frequently asked questions

Is NCT05558124 currently recruiting?

Yes, this trial is currently recruiting patients.

Can patients have received prior systemic therapy?

No. This trial requires treatment-naive patients — prior systemic therapy is an exclusion criterion.

Does this trial require CD33?

Yes, CD33 expression is a required biomarker for enrollment.

Does this trial require FLT3?

Yes, FLT3 ITD mutation is a required biomarker for enrollment.

Does this trial require FLT3?

Yes, FLT3 TKD mutation is a required biomarker for enrollment.

Is there an age limit?

Yes. Patients must be 70 years or younger.

Could you qualify for this trial?

Enter your biomarker results to see how this trial's eligibility criteria match your specific cancer profile.

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