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Updated May 2026 · ClinicalTrials.gov

RECRUITINGPhase 2INTERVENTIONAL

Fludarabine Phosphate, Cytarabine, Filgrastim-sndz, Gemtuzumab Ozogamicin, and Idarubicin Hydrochloride in Treating Patients With Newly Diagnosed Acute Myeloid Leukemia or High-Risk Myelodysplastic Syndrome

A Phase 2 Study of Fludarabine, Cytarabine, Filgrastim-sndz,Gemtuzumab Ozogamicin and Idarubicin in Newly Diagnosed Core Binding Factor Associated Acute Myelogenous Leukemia

Fludarabine Phosphate, Cytarabine, Filgrastim-sndz, Gemtuzumab Ozogamicin, and Idarubicin Hydrochloride in Treating Patients With Newly Diagnosed Acute Myeloid Leukemia or High-Risk Myelodysplastic Syndrome (NCT00801489) is a Phase 2 interventional studying Acute Myeloid Leukemia With Inv(16)(p13.1q22); CBFB-MYH11 and Acute Myeloid Leukemia With t(16;16)(p13.1;q22); CBFB-MYH11, sponsored by M.D. Anderson Cancer Center. RECRUITING as of the most recent ClinicalTrials.gov update. Talk to your doctor before contacting the trial site.

Important: This information is not medical advice. Talk to your doctor about whether a clinical trial is right for you.

About This Trial

This phase II trial studies the side effects and how well fludarabine phosphate, cytarabine, filgrastim-sndz, gemtuzumab ozogamicin, and idarubicin hydrochloride work in treating patients with newly diagnosed acute myeloid leukemia or high-risk myelodysplastic syndrome. Drugs used in chemotherapy, such as fludarabine phosphate, cytarabine, and idarubicin hydrochloride, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Gemtuzumab ozogamicin is a monoclonal antibody, called gemtuzumab, linked to a antitumor drug, called calicheamicin. 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 calicheamicin to kill them. Colony-stimulating factors, such as filgrastim-sndz, may increase the number of immune cells found in bone marrow or peripheral blood and may help the immune system recover from the side effects of chemotherapy. Giving fludarabine phosphate, cytarabine, filgrastim-sndz, gemtuzumab ozogamicin, and idarubicin hydrochloride may kill more cancer cells.

What Stage of Research Is This?

Phase 2 trials evaluate whether a treatment actually works against Acute Myeloid Leukemia With Inv(16)(p13.1q22); CBFB-MYH11 and continue monitoring side effects. Phase 2 enrolls larger groups (typically 100–300 patients) and produces the first real efficacy signal. A successful Phase 2 readout is what unlocks the much larger Phase 3 confirmatory trials needed for FDA approval.

This trial is currently recruiting participants. The sponsor has registered the study with ClinicalTrials.gov as actively enrolling, which means new applicants who meet the eligibility criteria can be considered for screening. Trial status can change between updates — confirm current recruiting status with the study contact before traveling for a screening visit.

Target enrollment of 270 participants puts this in the typical range for a Phase 2-style efficacy study or a moderate Phase 3 trial in a focused Acute Myeloid Leukemia With Inv(16)(p13.1q22); CBFB-MYH11 subpopulation. At this scale, the study has enough statistical power to detect a clear treatment effect but is not the largest cohort in the field.

Who May Be Eligible (Plain English)

Who May Qualify: - Patients must have untreated AML, or high-risk myelodysplastic syndromes (MDS) (refractory anemia with excess blasts, \[RAEB\], or RAEB "in transformation" \[RAEB-t\]) characterized by t(8;21), inv(16), or t(16;16); the presence of additional abnormalities is irrelevant - Patients must provide written consent - Participants will not be excluded based on performance status; for patients with Eastern Cooperative Oncology Group (ECOG) performance status \>= to 3 the dosing schedule will be discussed with study chairman - Patients with organ dysfunction will not be excluded from the study; for patients with evidence of organ dysfunction (creatinine \>= 1.5, cardiac ejection fraction =\< 50%, total bilirubin \>=2 and aspartate aminotransferase \[AST\]/alanine aminotransferase \[ALT\] \>= 3 times upper limit of normal \[ULN\]), dose adjustments/omissions will be made - Up to one cycle of prior induction therapy will be permitted to include patients in whom presence of "good-risk" cytogenetics was initially missed; if the patient is in remission from induction therapy, he/she will receive post-remission therapy; if the patient is not in remission then he/she will receive induction therapy - Patients of child bearing potential should practice effective methods of contraception Who Should NOT Join This Trial: - Pregnant and lactating females will be excluded Always talk to your doctor about whether this trial is right for you.

These are translations of the protocol\'s inclusion and exclusion criteria, simplified for patients and caregivers. The original clinical text appears below. Eligibility is ultimately confirmed by the trial site\'s screening process — this summary is a starting point for a conversation with your doctor, not a final determination.

Original Eligibility Criteria

View original clinical language
Inclusion Criteria: * Patients must have untreated AML, or high-risk myelodysplastic syndromes (MDS) (refractory anemia with excess blasts, \[RAEB\], or RAEB "in transformation" \[RAEB-t\]) characterized by t(8;21), inv(16), or t(16;16); the presence of additional abnormalities is irrelevant * Patients must provide written consent * Participants will not be excluded based on performance status; for patients with Eastern Cooperative Oncology Group (ECOG) performance status \>= to 3 the dosing schedule will be discussed with study chairman * Patients with organ dysfunction will not be excluded from the study; for patients with evidence of organ dysfunction (creatinine \>= 1.5, cardiac ejection fraction =\< 50%, total bilirubin \>=2 and aspartate aminotransferase \[AST\]/alanine aminotransferase \[ALT\] \>= 3 times upper limit of normal \[ULN\]), dose adjustments/omissions will be made * Up to one cycle of prior induction therapy will be permitted to include patients in whom presence of "good-risk" cytogenetics was initially missed; if the patient is in remission from induction therapy, he/she will receive post-remission therapy; if the patient is not in remission then he/she will receive induction therapy * Patients of child bearing potential should practice effective methods of contraception Exclusion Criteria: * Pregnant and lactating females will be excluded

Treatments Being Tested

DRUG

Cytarabine

Given IV

DRUG

Decitabine

Given IV

BIOLOGICAL

Filgrastim-sndz

Given SC

DRUG

Fludarabine Phosphate

Given IV

DRUG

Gemtuzumab Ozogamicin

Given IV

DRUG

Idarubicin

Given IV

OTHER

Laboratory Biomarker Analysis

Correlative studies

Locations (1)

Trial sites listed on ClinicalTrials.gov for this study. Site activation status can vary — confirm with the specific site before traveling for a screening visit.

M D Anderson Cancer Center
Houston, Texas, United States

How to Talk to Your Doctor About This Trial

Bring the printable summary of this trial — including the NCT ID (NCT00801489), the sponsor (M.D. Anderson Cancer Center), and the key eligibility criteria — to your next appointment. Your doctor can review the inclusion and exclusion criteria against your medical history, lab values, and current treatments to assess whether you are likely to qualify. They can also help you weigh whether trial participation makes sense alongside your existing care plan.

Useful questions to walk through together: What does the trial protocol require beyond standard care? How long is the active treatment phase, and how long is follow-up? Are there study visits at sites I can reach? Who pays for the trial-specific procedures, and who pays for standard-of-care portions? See our 25 questions to ask about clinical trials guide for a more complete checklist.

Authoritative Sources

The official record for this trial lives on ClinicalTrials.gov — the federal registry maintained by the National Library of Medicine at NIH. For background on how this trial fits into the FDA approval pathway, see the FDA drug approval process. For oncology-specific guidance for patients considering trials, the National Cancer Institute publishes patient-oriented overviews. International trial registries are aggregated by the WHO ICTRP.

Frequently Asked Questions

What is the NCT00801489 clinical trial studying?

This phase II trial studies the side effects and how well fludarabine phosphate, cytarabine, filgrastim-sndz, gemtuzumab ozogamicin, and idarubicin hydrochloride work in treating patients with newly diagnosed acute myeloid leukemia or high-risk myelodysplastic syndrome. Drugs used in chemotherapy, such as fludarabine phosphate, cytarabine, and idarubicin hydrochloride, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Gemtuzumab ozogamicin is a monoclonal antibody, called gemtuzumab, linked to a antitumor drug, called cali… The full protocol is registered on ClinicalTrials.gov and includes the primary outcome measures, eligibility criteria, and study endpoints.

Who can participate in NCT00801489?

Eligibility for this trial depends on the specific inclusion and exclusion criteria set by the sponsor. The plain-English summary above translates the most important criteria into accessible language; the official clinical text is preserved in the collapsible section underneath. Whether you fit any specific trial is a medical decision your doctor needs to confirm — bring the trial information to your treating physician for a full review against your medical history.

How do I contact the trial site for NCT00801489?

Contact information registered with ClinicalTrials.gov is shown in the sidebar of this page. Before reaching out, confirm with your treating physician that this trial is appropriate for your situation. The trial site will then walk you through the screening process to determine final eligibility.

Is participating in a clinical trial safe?

Clinical trials in the United States are regulated by the FDA and overseen by Institutional Review Boards (IRBs) that review the protocol for safety. Risk varies by trial — Phase 1 studies test new treatments in humans for the first time, while Phase 3 trials use treatments that have already passed earlier safety screening. The informed consent document for any specific trial details the known risks and what to expect. Discuss those risks with your physician before deciding whether to participate.

Where can I verify the data on this page?

Every detail on this page comes directly from the ClinicalTrials.gov API. Click "View on ClinicalTrials.gov" in the sidebar to see the official, unmodified record. The federal record is always authoritative; this page is a structured presentation with a plain-English eligibility translation. For background on how clinical trials are regulated, see the FDA drug approval process documentation.

How This Page Is Built

Every field on this page is pulled directly from the ClinicalTrials.gov API v2 — no estimates, no proxies. The plain-English eligibility translation is generated from the original protocol text and reviewed for fidelity to the underlying clinical criteria. The original clinical text remains visible in the collapsible section above so users and clinicians can verify the translation. Read the full methodology for the data pipeline and known limitations.

Source: ClinicalTrials.gov API v2 record for NCT00801489. Maintained by the National Library of Medicine at NIH. Public domain. Cite as: "TrialFinderData. NCT00801489. Data: ClinicalTrials.gov."

Medical disclaimer: This page is informational, not medical advice. Talk to your doctor about whether a clinical trial is right for you.

Last updated 2026-05-08 · Data from ClinicalTrials.gov.