Skip to content

MS-275 and GM-CSF in Treating Patients With Myelodysplastic Syndrome and/or Relapsed or Refractory Acute Myeloid Leukemia or Acute Lymphocytic Leukemia

A Phase II Study of and Oral Histone Deacytylase Inhibitor, MS-275 (NSC 706995), in Combination With Sargramostim (GM-CSF, Berlex, Inc.) Treating Relapsed and Refractory Myeloid Malignancies

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00462605
Enrollment
24
Registered
2007-04-19
Start date
2007-04-30
Completion date
2011-03-31
Last updated
2017-07-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Adult Acute Lymphoblastic Leukemia in Remission, Adult Acute Megakaryoblastic Leukemia (M7), Adult Acute Minimally Differentiated Myeloid Leukemia (M0), Adult Acute Monoblastic Leukemia (M5a), Adult Acute Monocytic Leukemia (M5b), Adult Acute Myeloblastic Leukemia With Maturation (M2), Adult Acute Myeloblastic Leukemia Without Maturation (M1), Adult Acute Myeloid Leukemia With 11q23 (MLL) Abnormalities, Adult Acute Myeloid Leukemia With Inv(16)(p13;q22), Adult Acute Myeloid Leukemia With t(16;16)(p13;q22), Adult Acute Myeloid Leukemia With t(8;21)(q22;q22), Adult Acute Myelomonocytic Leukemia (M4), Adult Erythroleukemia (M6a), Adult Pure Erythroid Leukemia (M6b), Chronic Myelomonocytic Leukemia, de Novo Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasm, Unclassifiable, Previously Treated Myelodysplastic Syndromes, Recurrent Adult Acute Lymphoblastic Leukemia, Recurrent Adult Acute Myeloid Leukemia, Refractory Anemia, Refractory Anemia With Excess Blasts, Refractory Anemia With Ringed Sideroblasts, Refractory Cytopenia With Multilineage Dysplasia, Secondary Acute Myeloid Leukemia, Secondary Myelodysplastic Syndromes, Untreated Adult Acute Lymphoblastic Leukemia, Untreated Adult Acute Myeloid Leukemia

Brief summary

This phase II trial is studying how well giving MS-275 together with GM-CSF works in treating patients with myelodysplastic syndrome and/or relapsed or refractory acute myeloid leukemia. MS-275 may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth and by blocking blood flow to the cancer. Colony-stimulating factors, such as GM-CSF, may increase the number of immune cells found in bone marrow or peripheral blood. Giving MS-275 together with GM-CSF may be an effective treatment for myelodysplastic syndrome and acute myeloid leukemia

Detailed description

PRIMARY OBJECTIVE: I. Determine clinical response in patients with myelodysplastic syndromes and/or relapsed or refractory acute myeloid leukemia or acute lymphocytic leukemia treated with MS-275 in combination with sargramostim (GM-CSF). SECONDARY OBJECTIVES: I. Determine the clinical activity of this regimen, in terms of changes in peripheral blood counts and changes in individual patient transfusion requirements, in these patients. II. Determine the biologic activity of this regimen, in terms of changes in the peripheral blood and bone marrow phenotype (i.e., induction of markers of myeloid differentiation or lymphoid differentiation) and changes in detectable cytogenetic abnormalities in the blood and marrow compartments, in these patients. III. Determine the toxicity profile of this regimen in these patients. OUTLINE: Patients receive oral MS-275 on days 1, 8, 15, and 22. Patients also receive sargramostim (GM-CSF) subcutaneously once daily on days 1-42 in courses 3 and 5 and on days 1-35 in courses 1, 2, 4, and 6. Treatment repeats every 6 weeks for 2-6 courses in the absence of disease progression or unacceptable toxicity. After completion of 2 courses of study therapy, patients who achieve a complete or partial response may receive an additional 4 courses. Patients who maintain stable disease for more than 2 months after completion of 6 courses of study therapy may receive an additional 6 courses at the time of disease progression, provided they meet original eligibility criteria. Patients undergo blood and bone marrow (BM) collection at baseline and periodically during study for biologic correlative studies. Peripheral blood and bone marrow samples are assessed for changes in progenitor phenotype and clonogenic growth by flow cytometry and for changes in cytogenetics (i.e., malignant:nonmalignant cell ratio in BM CD34-positive cells, peripheral blood monocytes, peripheral blood neutrophils, and bone marrow and peripheral blood lymphoblasts) by FISH. Terminal differentiation of CD34-positive progenitor cells is studied in vitro in long-term cultures. After completion of study therapy, patients are followed periodically for up to 2 years.

Interventions

DRUGentinostat

Given PO

DRUGsargramostim

Given SC

Sponsors

National Cancer Institute (NCI)
Lead SponsorNIH

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Diagnosis of 1 of the following diseases by bone marrow aspiration and/or biopsy: * Myelodysplastic syndromes (MDS) meeting the following criteria: * Must have 1 of the following subtypes: * Refractory anemia (RA) (no RA with 5q-syndrome), * RA with ringed sideroblasts or * Refractory cytopenia with multilineage dysplasia * Myelodysplastic syndromes (MDS) meeting the following criteria: Must have 1 of the following subtypes: * Refractory cytopenia with multilineage dysplasia and ringed sideroblasts, * RA with excess blasts (RAEB)-1, RAEB-2, * Myelodysplastic syndromes, unclassified or * Chronic myelomonocytic leukemia * International Prognostic Scoring System score of intermediate-2 or high-risk * Acute myeloid leukemia (AML) meeting 1 of the following criteria: * Relapsed or refractory AML, including any of the following subtypes: * \* AML with recurrent cytogenetic abnormalities (i.e., AML with 11q23 \[MLL\] abnormalities) * AML with multilineage dysplasia * AML that is therapy-related * AML, not otherwise categorized (M0 \[minimally differentiated\], M1 \[without maturation\], M2 \[with maturation\], M4 \[myelomonocytic leukemia\], M5 \[monoblastic/monocytic leukemia\], M6 \[erythroid leukemia\], and M7 \[megakaryoblastic leukemia\]) * Untreated AML * Newly diagnosed patients are eligible provided they do not qualify for potentially curative intensive chemotherapeutic regimens * Acute lymphocytic leukemia (ALL) meeting 1 of the following criteria: * Relapsed or refractory ALL * Patients with any measurable residual disease are eligible, including cytogenetic abnormalities * Untreated ALL * Newly diagnosed patients are eligible provided they do not qualify for potentially curative intensive chemotherapeutic regimens, including any of the following: * Patients who have refused chemotherapy for untreated ALL * Patients who are deemed to be poor candidates medically for ALL induction chemotherapy * Relatively stable bone marrow function for \> 7 days prior to study entry * WBC count that has not doubled within the past 7 days * WBC =\<10,000/mm³ * No uncontrolled peripheral leukemia (i.e., blast count \> 30,000/mm³) * No active CNS disease * Lumbar puncture with negative cytology required for patients with clinical symptoms of active CNS disease * Not a candidate for a potentially curative allogeneic stem cell transplantation OR considered a poor candidate for such a procedure due to age, medical comorbidities, or lack of a suitable donor * Hemoglobin \>= 8 g/dL (transfusions allowed) * Creatinine =\< 2.0 mg/dL * Bilirubin =\< 1.6 mg/dL (unless secondary to hemolysis) * AST or ALT =\< 3 times upper limit of normal (unless disease-related) * Not pregnant or nursing * Negative pregnancy test * Fertile patients must use effective contraception * No untreated or progressive infections * No history of intolerance to sargramostim (GM-CSF) * Recovered from all treatment-related toxicities * More than 2 weeks since prior therapy for AML, ALL, or MDS, including chemotherapy, hematopoietic growth factors, or biologic therapy such as monoclonal antibodies * Concurrent hydroxyurea allowed during course 1 for control of leukocytosis if WBC \> 30,000/mm³ * ECOG performance status 0-2

Design outcomes

Primary

MeasureTime frameDescription
Response (Complete and Partial Response) in Patients With Myeloid DisordersUp to 2 yearsResponse to treatment was assessed after two cycles, according to International Working Group (IWG) criteria. Cytogenetic responses were monitored in patients with abnormalities at baseline.

Secondary

MeasureTime frame
Clinical Activity Assessed by Change in Peripheral Blood CountsBaseline and after 2 cycles
Clinical Activity Assessed by Change in Transfusion RequirementsBaseline and after 2 cycles
Changes in Detectable Chromosomal Abnormalities Measured by Fluorescent in Situ Hybridization (FISH)Baseline and 6, 12, 24, and 36 weeks
Change in the Percentage of Cells With Normal and Abnormal Myeloid Phenotype Measured by Flow CytometryBaseline and 6, 12, 24, and 36 weeks

Countries

United States

Participant flow

Participants by arm

ArmCount
Arm I
Patients receive oral MS-275 on days 1, 8, 15, and 22. Patients also receive sargramostim (GM-CSF) subcutaneously once daily on days 1-42 in courses 3 and 5 and on days 1-35 in courses 1, 2, 4, and 6. Treatment repeats every 6 weeks for 2-6 courses in the absence of disease progression or unacceptable toxicity. After completion of 2 courses of study therapy, patients who achieve a complete or partial response may receive an additional 4 courses. Patients who maintain stable disease for more than 2 months after completion of 6 courses of study therapy may receive an additional 6 courses at the time of disease progression, provided they meet original eligibility criteria. entinostat: Given PO sargramostim: Given SC
24
Total24

Baseline characteristics

CharacteristicArm I
Age, Continuous71 years
Region of Enrollment
United States
24 Participants
Sex: Female, Male
Female
9 Participants
Sex: Female, Male
Male
15 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
6 / 24
serious
Total, serious adverse events
19 / 24

Outcome results

Primary

Response (Complete and Partial Response) in Patients With Myeloid Disorders

Response to treatment was assessed after two cycles, according to International Working Group (IWG) criteria. Cytogenetic responses were monitored in patients with abnormalities at baseline.

Time frame: Up to 2 years

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
Arm IResponse (Complete and Partial Response) in Patients With Myeloid DisordersStable Disease (SD)5 Participants
Arm IResponse (Complete and Partial Response) in Patients With Myeloid DisordersComplete Remission (CR)0 Participants
Arm IResponse (Complete and Partial Response) in Patients With Myeloid DisordersPartial Remission (PR)1 Participants
Arm IResponse (Complete and Partial Response) in Patients With Myeloid DisordersHematologic Improvement in Neutrophils (HI-N)2 Participants
Arm IResponse (Complete and Partial Response) in Patients With Myeloid DisordersProgressive Disease (PD)2 Participants
Secondary

Change in the Percentage of Cells With Normal and Abnormal Myeloid Phenotype Measured by Flow Cytometry

Time frame: Baseline and 6, 12, 24, and 36 weeks

Population: Due to the limited number of clinical responders, the research assay was not done.

Secondary

Changes in Detectable Chromosomal Abnormalities Measured by Fluorescent in Situ Hybridization (FISH)

Time frame: Baseline and 6, 12, 24, and 36 weeks

Population: Due to the limited number of clinical responders, the research assay was not done.

Secondary

Clinical Activity Assessed by Change in Peripheral Blood Counts

Time frame: Baseline and after 2 cycles

ArmMeasureGroupValue (MEAN)Dispersion
Arm IClinical Activity Assessed by Change in Peripheral Blood CountsANC +/- SEM at baseline578 cell/mm^3Standard Error 126
Arm IClinical Activity Assessed by Change in Peripheral Blood CountsANC +/- SEM after 2 cycles1137 cell/mm^3Standard Error 384
Secondary

Clinical Activity Assessed by Change in Transfusion Requirements

Time frame: Baseline and after 2 cycles

Population: Due to the limited number of clinical responders, this outcome was not measured.

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026