Acute Myeloid Leukemia Clinical Trial

Sorafenib Tosylate Before and After Donor Bone Marrow Transplant in Treating Patients With Acute Myeloid Leukemia

Summary

This pilot clinical trial studies the side effects of sorafenib tosylate before and after donor bone marrow transplantation in treating patients with acute myeloid leukemia. Sorafenib tosylate may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth.

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Full Description

PRIMARY OBJECTIVE:

I. Determine the toxicity and safety of incorporation of sorafenib tosylate (sorafenib) into the pre- or post-transplant maintenance setting for three types of transplants.

SECONDARY OBJECTIVES:

I. Improvement of 2 year disease free survival after bone marrow transplant by 25% based on a baseline relapse free survival at two years of 30%.

II. Secondary graft failure is defined as the decline in neutrophil count to < 500/cu mm after achieving engraftment which is unrelated to infection or drug effect (sorafenib?) and is unresponsive to stimulation by growth factors.

III. Non-relapse mortality (NRM) is defined, as death in the absence of competing risks, relapse or progression of disease.

IV. Survival without relapse or death (disease-free survival [DFS]) or without death (overall survival [OS]) will be determined and presented as Kaplan-Meier estimates at 1 and 2 years post-transplant.

V. Patients will be evaluated for chronic graft versus host disease (GVHD) both as described in the National Institutes of Health (NIH) consensus project guidelines and by conventional criteria.

LABORATORY CORRELATIVE OBJECTIVE:

I. Patients will undergo serial examinations of bone marrow during the maintenance treatments evaluating minimal residual disease (MRD) by flow cytometry and FLT3 suppression by western blot analysis and plasma inhibitory assay (PIA).

OUTLINE: This is a dose-escalation study.

Patients receive sorafenib tosylate orally (PO) twice daily (BID) beginning at least 30 days after completion of induction therapy and/or transplant but no more than 120 days after transplant continuing for up to 2 years after transplant in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up for 24 months.

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Eligibility Criteria

Inclusion Criteria:

Acute myeloid leukemia with a FLT3-internal tandem duplication (ITD) who are in a complete remission or partial remission (less than 10% blasts in marrow) as documented by bone marrow biopsy and who plan to undergo a bone marrow transplantation
Patients who have had count recovery (absolute neutrophil count [ANC] > 500,000/mm^3; non transfused platelet count over 30,000/mm^3) and are at least 30 days after induction and/or transplantation but no more than 120 days post transplant
Patients may have received any prior therapy deemed necessary for induction of remission except for patients whom have progressed while on sorafenib; patients who have responded to sorafenib previously are eligible for enrollment on the protocol
Eastern Cooperative Oncology Group (ECOG) performance status =< 2 (Karnofsky >= 60%)
Life expectancy of greater than four months
Total bilirubin less than 2 x upper limit of normal
Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 5 x institutional upper limit of normal
Creatinine =< 1.5 x upper limit of normal OR creatinine clearance >= 60 mL/min/1.73 m^2 for patients with creatinine levels > 1.5 x upper limit of normal
The effects of sorafenib on the developing human fetus are unknown; for this reason and because tyrosine kinase inhibiting agents are known to be teratogenic, women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately; contraception should continue for at least 30 days after the last dose of sorafenib
Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria:

Patients who have had chemotherapy or radiotherapy within 2 weeks except for intrathecal chemotherapy (i.e., methotrexate, cytarabine, or thiotepa)
Patients may not be receiving any other investigational agents
Patients with uncontrolled hypertension (i.e., persistent grade 3 while undergoing treatment)
History of allergic reactions attributed to compounds of similar chemical or biologic composition to sorafenib
Patients with active and/or untreated central nervous system (CNS) leukemia will not be eligible
Patients must not have any evidence of bleeding diathesis or be on any therapeutic anticoagulation such as low molecular weight (LMW) heparin or warfarin for deep vein thrombosis (DVT) treatment
Uncontrolled intercurrent illness including, but not limited to ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements
Pregnant women are excluded from this study because sorafenib is chemotherapeutic agent with the potential for teratogenic or abortifacient effects; because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with sorafenib, breastfeeding should be discontinued if the mother is treated sorafenib
Human immunodeficiency virus (HIV)-positive patients are excluded because management of these patients in the hematopoietic cell transplant setting has not yet been well defined and is currently the subject of investigation in other studies addressing this issue
Patients with active acute GVHD who have been initiated on therapy or had therapy escalation within 21 days are not eligible
Patients with lack of engraftment (less than 90% donor deoxyribonucleic acid [DNA] in bone marrow or peripheral blood) after bone marrow transplant as evidence by RFLP (restriction fragment length polymorphism) are not eligible
Patients who are unable to swallow pills are not eligible
Patients taking strong cytochrome P450 family 3, subfamily A, polypeptide 4 (CYP3A4) inhibitors including enzyme-inducing anti-epileptic drugs (phenytoin, carbamazepine, or phenobarbital), rifampin, grape fruit juice, or St. John's wort are not eligible

Study is for people with:

Acute Myeloid Leukemia

Phase:

Phase 1

Estimated Enrollment:

51

Study ID:

NCT01578109

Recruitment Status:

Completed

Sponsor:

National Cancer Institute (NCI)

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There are 2 Locations for this study

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University of Maryland/Greenebaum Cancer Center
Baltimore Maryland, 21201, United States
Johns Hopkins University/Sidney Kimmel Cancer Center
Baltimore Maryland, 21287, United States

How clear is this clinincal trial information?

Study is for people with:

Acute Myeloid Leukemia

Phase:

Phase 1

Estimated Enrollment:

51

Study ID:

NCT01578109

Recruitment Status:

Completed

Sponsor:


National Cancer Institute (NCI)

How clear is this clinincal trial information?

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