Selinexor in Combination With Fludarabine and Cytarabine in Patients With Refractory or Relapsed Acute Myeloid Leukemia

Stopped early · Phase 2

Conditions studied: Acute Myeloid Leukemia (AML)

In brief

This study will be done in two parts: Phase I (NCT02212561) has been completed and published. The goal of the Phase I portion of this study was to find the highest tolerable dose of selinexor (KPT-330) that can be given to patients with leukemia or myelodysplastic syndrome (MDS), when it is combined with fludarabine and cytarabine. The Phase II portion of the protocol is reflected in this registration. The goal of the Phase II portion of this protocol is to give the highest dose of selinexor (KPT-330) in combination with fludarabine/cytarabine that was found in Phase I to be safe for children with acute myeloid leukemia (AML). The investigators will examine the effect of this combination treatment.

Key facts

Study ID

NCT03071276

Run by

St. Jude Children's Research Hospital

People needed

37

Starts

2016-01-14

Expected to finish

2019-04-30

Last updated by the study team

2020-05-22

Who can join

Age: any, up to 24. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Participants must have a diagnosis of AML and must have disease that has relapsed or is refractory to chemotherapy, or that has relapsed after hematopoietic stem cell transplantation (HSCT)
• Refractory disease is defined as persistent disease after at least two courses of induction chemotherapy.
• Patients are eligible at first or subsequent relapse or any relapse that is refractory to salvage chemotherapy.
• Patients must have ≥ 5% leukemic blasts in the bone marrow and/or increasing levels of MRD in the bone marrow as assessed by flow cytometry. If an adequate bone marrow sample cannot be obtained, patients may be enrolled if there is unequivocal evidence of leukemia in the peripheral blood.
• Adequate organ function defined as the following:
• Direct bilirubin ≤ 1.5 x institutional upper limit of normal (IULN)
• AST (SGOT)/ALT (SGPT) < 3 x IULN
• Creatinine within normal institutional limits for age
• Prothrombin time (PT) and partial thromboplastin (PTT) ≤ 1.5 x IULN.
• Age criteria: Patients treated at collaborating sites and current St. Jude patients who are on therapy or within 3 years of completion of therapy must be ≤ 24 years old. All other St. Jude patients must be ≤ 21 years old.
• Patients must be able to swallow tablets.
• Performance status: Lansky ≥ 50 for patients who are ≤ 16 years old and Karnofsky ≥ 50% for patients who are > 16 years old.
• Patients must have fully recovered from the acute effects of all prior therapy.
• For patients who have received prior HSCT, there can be no evidence of GVHD and greater than 60 days must have elapsed since the HSCT.

You may not qualify if…

• History of cerebellar toxicity or cerebellar neurological findings on exam.
• Must not be pregnant or breastfeeding. Female patients of child-bearing potential must agree to use dual methods of contraception and have a negative serum pregnancy test at screening, and male patients must use an effective barrier method of contraception if sexually active with a female of child-bearing potential. Acceptable methods of contraception are condoms with contraceptive foam, oral, implantable or injectable contraceptives, contraceptive patch, intrauterine device, diaphragm with spermicidal gel, or a sexual partner who is surgically sterilized or post-menopausal. For both male and female patients, effective methods of contraception must be used throughout the study and for three months following the last dose.
• Patients with Down syndrome, acute promyelocytic leukemia, juvenile myelomonocytic leukemia, Fanconi anemia, Kostmann syndrome, Shwachman syndrome, or other bone marrow failure syndromes are not eligible.
• Use of investigational agents, with the exception of gemtuzumab ozogamicin, within 30 days.
• Any significant concurrent disease, illness, or psychiatric disorder that would compromise patient safety or compliance, study participation, follow up, or interpretation of study research.
• Unstable cardiovascular function:
• symptomatic ischemia
• congestive heart failure NYHA Class > 3
• myocardial infarction (MI) within 3 months
• Uncontrolled infection requiring parenteral antibiotics, antivirals, or antifungals within one week prior to first dose. Infections controlled on concurrent anti-microbial agents are acceptable, and anti-microbial prophylaxis per institutional guidelines are acceptable.
• Known human immunodeficiency virus (HIV) infection (pre-study testing not required).
• Patients with malabsorption syndrome, or any other disease significantly affecting gastrointestinal function.
• Prior treatment with selinexor.

Where it is running

• Phoenix Children's Hospital — Phoenix, Arizona, United States
• Lucile Packard Children's Hospital Stanford University — Palo Alto, California, United States
• University of Chicago — Chicago, Illinois, United States
• Children's Hospital of Michigan — Detroit, Michigan, United States
• Duke University Medical Center — Durham, North Carolina, United States
• St. Jude Children's Research Hospital — Memphis, Tennessee, United States
• Cook Children's Medical Center — Fort Worth, Texas, United States

Full record on ClinicalTrials.gov

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