Venetoclax Added to Fludarabine + Busulfan Prior to Transplant for AML MDS and MDS/MPN

  • STATUS
    Recruiting
  • End date
    Dec 1, 2023
  • participants needed
    42
  • sponsor
    Jacqueline Garcia, MD
Updated on 30 January 2021
cancer
remission
myeloid leukemia
fludarabine
bone marrow transplant
busulfan
myelodysplasia
flow cytometry
chronic myelomonocytic leukemia
leukemia
hematologic disorder
gilbert's syndrome
transplant conditioning
residual tumor
azacitidine
venetoclax
KIT
KRAS
NRAS
TP53
human chorionic gonadotropin
myelomonocytic leukemia
allogeneic hematopoietic stem cell transplant

Summary

This clinical trial involves individuals who have been diagnosed with Acute Myeloid Leukemia (AML), Myelodysplastic Syndrome (MDS), Chronic Myelomonocytic Leukemia (CMML), or MDS/myeloproliferative neoplasm-unclassifiable (MDS/MPN-unclassifiable) and are planning to have an allogeneic hematopoietic stem cell transplant ("bone marrow transplant"). The goal of this research study is to (1) test the safety of adding the study drug, Venetoclax, to a standard of care conditioning regimen for bone marrow transplantation as a possible means of eliminating residual (left-over) disease prior to transplant and (2) to test the safety of combination Venetoclax and azacitidine as "maintenance therapy" after transplant to possibly prevent disease recurrence.

  • The name of the study drug involved in this study is Venetoclax.
  • It is expected that about 42 people will take part in this research study.

Description

  • This research study is a Phase I clinical trial, which tests the safety of an investigational drug and tries to define the appropriate dose and schedule of the investigational drug to use for further studies. "Investigational" means that the drug is being studied.
    • There are two parts to this research study:
    • Part 1 is to determine a safe dose of the study drug, Venetoclax, when given in combination with a standard chemotherapy and Part 2 is to determine the safety of post-transplant maintenance therapy with the combination of azacytidine and venetoclax. Participants enrolled in Part 1 of this study, will receive Venetoclax in combination with conditioning chemotherapy (prior to transplantation).
    • Participants enrolled in Part 2 of the study, will also receive Venetoclax in combination with conditioning chemotherapy (prior to transplantation) and will have the opportunity to receive maintenance chemotherapy (after transplantation) for potentially a year.
    • Both Part 1 and Part 2 of this research study will have a Dose-Escalation phase. The Dose-Escalation phase is the part of the study where treatment dose and schedule are being tested.
    • In Part 1, the Dose-Escalation phase is when venetoclax will be given at different doses until the safest maximum dose has been identified. Part 1 also includes a second phase of the study which is called the Dose-Expansion phase, during which more participants will be treated at this dose level to obtain additional information on safety.
    • In Part 2, the Dose-Escalation phase is where the combination of venetoclax and azacitidine will be given after transplantation at different schedules.
    • For both the Dose-Escalation or Dose-Expansion phase of this study, there will be a screening period, a pre-transplant period, a transplant period, and a post-transplant follow up period.
    • In this research study, participants will receive venetoclax plus chemotherapy. Participants in Part 1 and Part 2 of this study will receive chemotherapy immediately prior to transplantation, which is called the "conditioning regimen." The conditioning regimen chemotherapy will suppress the immune system and may help to destroy cancer cells. During this process normal bone marrow cells are destroyed as well, thus making way for donor stem cells.
    • Fludarabine and busulfan (FluBu2) are both chemotherapies and a common conditioning regimen.
    • In this study, Venetoclax is added to the conditioning regimen (FluBu2) prior to transplantation to eliminate leftover blood cancer cells prior to transplant.
    • Participants in Part 2 of the study will also have the opportunity to receive venetoclax plus azacitidine after transplantation. The combination of these two drugs is called "maintenance therapy," which is treatment given after transplant to potentially reduce the chance of disease relapse. Relapse is a cause of transplant failure and can occur when there are leftover blood cancer cells.
    • The FDA (U.S. Food and Drug Administration) has approved Venetoclax in combination with cytarabine, azacitidine or decitabine for the treatment of newly diagnosed acute myeloid leukemia, but not for use in with conditioning chemotherapy prior to transplantation or after transplant with maintenance chemotherapy. Venetoclax is an oral drug that selectively inhibits Bcl-2, which is critical for keeping cancer cells alive.

Details
Condition Bone marrow disorder, Chronic myelomonocytic leukemia, Juvenile Myelomonocytic Leukemia, Preleukemia, Acute myeloid leukemia, Stem Cell Transplantation, MYELODYSPLASTIC SYNDROME, Hematopoietic Stem Cell Transplantation, Myelodysplastic Syndromes (MDS), Acute Myelogenous Leukemia (AML), HSCT, Hematopoietic Stem Cell Transplant, MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), Stem Cell Transplant, MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), myelodysplastic syndromes, myelodysplastic syndrome (mds), acute myelogenous leukemia, anll, acute myeloblastic leukemia, chronic myelomonocytic leukaemia, cmml, MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable), MDS/Myeloproliferative Neoplasm-unclassifiable (MDS/MPN-unclassifiable)
Treatment busulfan, Fludarabine, Azacitidine, venetoclax
Clinical Study IdentifierNCT03613532
SponsorJacqueline Garcia, MD
Last Modified on30 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age greater than or equal to 18 yrs?
Gender: Male or Female
Do you have any of these conditions: Bone marrow disorder or Chronic myelomonocytic leukemia or Hematopoietic Stem Cell Transplant or MYELODYSPLASTIC SYNDROME or Preleukemia or Myelodyspl...?
Do you have any of these conditions: Hematopoietic Stem Cell Transplantation or myelodysplastic syndromes or cmml or Preleukemia or MYELODYSPLASTIC SYNDROME or Stem Cell Transplant or acu...?
Do you have any of these conditions: myelodysplastic syndrome (mds) or Stem Cell Transplant or Hematopoietic Stem Cell Transplant or cmml or acute myeloblastic leukemia or Stem Cell Trans...?
Do you have any of these conditions: myelodysplastic syndromes or Stem Cell Transplant or acute myelogenous leukemia or HSCT or Preleukemia or Myelodysplastic Syndromes (MDS) or acute mye...?
Age 18 years and older
Patients must have a prior diagnosis of one of the following
(Note: Mutational and cytogenetic studies performed at sites other than Dana-Farber Cancer Institute or Brigham and Women's Hospital will require review of the outside cytogenetic and/or molecular pathology reports by the overall PI.)
High-risk MDS, which is defined as one of the following subsets
IPSS Intermediate-2 or higher
Presence of a mutation in TP53
Prescence of mutation in the RAS pathway including NRAS, KRAS, PTPN11, CBL, NF1, RIT1, FLT3, and KIT
Therapy-related MDS
High-risk AML, which is defined as one of the following subsets
AML with adverse risk disease according to ELN guidelines including one of the following features
a history of mutation in TP53, RUNX1, or ASXL1
t(6;9)(p23;q34.1); DEK-NUP214
t(v;11q23.3); KMT2A rearranged
t(9;22)(q34.1;q11.2); BCR-ABL1
inv(3)(q21.3q26.2) or t(3;3)(q21.3;26.2); GATA2,MECOM(EVI1)
or del(5q)
abn(17p)
Complex karyotype
Monosomal karyotype
Wild-type NPM1 and FLT3-ITDhigh
Secondary AML, which is defined as a history of antecedent hematologic disorder (an MPN or MDS), a diagnosis of therapy-related myeloid neoplasm including t-MDS and t-AML, or AML with myelodysplasia-related changes, OR
Secondary-type" AML, which is defined by the presence of a mutation in any of the following eight genes with high specificity for the presence of antecedent myelodysplastic syndrome including SRSF2, SF3B1, U2AF1, ZRSR2, ASXL1, EZH2, BCOR, or STAG2
Patients with AML with evidence of measurable residual disease by multiparameter flow cytometry ( 0.1%) despite morphologic remission on the pre-transplant/screening bone marrow biopsy. Review required by overall PI
High-risk chronic myelomonocytic leukemia (CMML) or MDS/MPN unclassifiable (MDS/MPN-U), which is defined by the presence of trisomy 8, chromosome 7 abnormalities or complex karyotype (3 or more abnormalities); or by the presence of a mutation in ASXL1
Measurable disease is not required for eligibility
Patient is determined to be a suitable candidate for an allo-HCT using a reduced intensity conditioning (RIC) regimen using peripheral blood stem cell as stem cell source
Patient must have a matched related or an 8/8 unrelated donor option for his/her allo-HCT
Patient must have an ECOG performance status 2
There are no limitations or minimum on the amount of prior therapy for patient's advanced myeloid malignancy. Prior exposure to venetoclax is allowed
Patient must have normal organ function as defined below
Total bilirubin 2.0 x institutional upper limit of normal (In patients with Gilbert's Syndrome, Total Bilirubin 2.0 is permitted.)
AST(SGOT)/ALT(SGPT) 3 institutional upper limit of normal
Creatinine clearance 30 mL/min using Cockcroft Gault formula
The effects of venetoclax on the developing human fetus are unknown. For this reason, 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 she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and 4 months after completion of venetoclax administration. For women who are of child-bearing potential, they must have a negative serum beta-HCG (human chorionic gonadotropin) test to be eligible
Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria

Patients who have had chemotherapy (with the exception of hydroxyurea and/or dexamethasone) or radiotherapy or investigational therapy within 14 days prior to starting treatment on study. Exceptions: Patients already on venetoclax therapy prior to transplant need a three day wash out prior to first treatment dose on study. Patients on BCR-ABL, IDH and FLT3 small molecule inhibitors can stay on this treatment up until 5 days prior to first treatment dose on study
Patients with > 10% morphologic blasts on bone marrow biopsy if they have a diagnosis of MDS or MDS/MPN. Patients > 5% morphologic blasts on bone marrow biopsy if they have a diagnosis of AML
Patients recommended to receive a myeloablative conditioning regimen prior to transplantation (since there is a known survival advantage for AML using higher intensity)
Patients who have a history of prior allogeneic stem cell transplantation
Symptomatic or untreated known CNS involvement of disease
Patients with active heart disease (New York Heart Association class 3-4 as assessed by history and physical exam, or a critical event including unstable angina/stroke/myocardial infarction within the last 6 months prior to first dose on study)
Patients who have consumed grapefruit, grapefruit products, Seville oranges or starfruit within 3 days prior to study treatment. Patients who a strong or moderate inducer within 7 days prior to the first dose of study drug
Malabsorption syndrome or other clinically significant condition that would preclude enteral administration
Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that in the opinion of the investigator may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and/or would make the patient inappropriate for enrollment into this study
Patients with known active hepatitis B virus (HBV) infection should be excluded because of potential effects on immune function and/or drug interactions. However, if a patient has HBV history with an undetectable HBV load by polymerase chain reaction (PCR), no liver-related complications, and is on definitive HBV therapy that is not contraindicated on this study, then he/she would be eligible for study
Patients with known active hepatitis C virus (HCV) infection. However, if a patient with a history of HCV infection has received definitive therapy (and is now HCV viral load negative), or if a patient has a reactive HCV antibody test but has an undetectable viral load by PCR, then he/she would be eligible
Patients with known active HIV infection out of concern for the drug-drug interaction with venetoclax and HAART therapy
Pregnant or breastfeeding women or those intending to become pregnant during the study or within 3 months after the final dose of study treatment are excluded from this study. Women of childbearing potential must have a negative serum pregnancy test resulted during screening and repeated within 7 days prior to study drug (local labs are allowed)
Vaccination with live, attenuated vaccines within 4 weeks prior to initiation of study treatment or anticipation of need for such a vaccine during the study
Patients with uncontrolled infection at time of first dose of treatment on study. Patients receiving anti-microbial agents including antibiotics, antiviral and antifungal therapies are allowed if hemodynamically stable
Part 2 only: Patients recommended to receive FLT3 inhibitor therapy or any other antileukemic therapy for AML as maintenance post allo-HCT
Part 2 Eligibility Criteria
No DLT event (including delay in neutrophil engraftment) due to the addition of venetoclax to conditioning chemotherapy prior to start of maintenance therapy
No morphologic evidence of relapse (defined as 5% or more morphologic blasts) prior to start of maintenance therapy confirmed by bone marrow biopsy after day +28
ANC 1.0 K/uL without growth factor support and platelet level 50 K/uL without platelet transfusion within 7 days of starting maintenance therapy. Exception: Patients without morphologic evidence of disease relapse but with evidence of persistent molecular or cytogenetic residual disease at the time of assessment can start maintenance therapy as long as ANC 0.75 K/uL without growth factor support and platelet level 25 K/uL
Absence of overall grade II-IV acute GVHD per investigator. Upon acute GVHD resolution, patients are eligible. Patients that are on prednisone 0.5 mg/kg daily dose or lower are allowed to initiate maintenance
Total bilirubin less than or equal to 2 x institutional ULN (unless has known Gilbert's disease)
AST and ALT less than or equal to 3 x ULN
Cr Cl 30 mL/min or higher (Cockgroft Gault formula)
No concurrent illnesses that would prevent taking oral therapy and interfere with safety assessment
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