Phase II Study of the Sequential Combination of Low-Intensity Chemotherapy and Ponatinib Followed by Blinatumomab and Ponatinib in Patients With Philadelphia Chromosome (Ph)-Positive and/or BCR-ABL Positive Acute Lymphoblastic Leukemia (ALL)

STATUS

Recruiting
End date

Feb 8, 2024
participants needed

60
sponsor

M.D. Anderson Cancer Center

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Updated on 28 October 2022

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cancer

chronic myeloid leukemia

myeloid leukemia

lymphoid leukemia

cyclophosphamide

philadelphia chromosome

methotrexate

cytarabine

rituximab

filgrastim

amylase

vincristine

ponatinib

granulocyte colony stimulating factor

lipase

leukemia

blinatumomab

dexamethasone

serum bilirubin level

serum lipase

Summary

This phase II trial studies how well low-intensity chemotherapy and ponatinib work in treating patients with Philadelphia chromosome-positive and/or BCR-ABL positive acute lymphoblastic leukemia that may have come back or is not responding to treatment. Drugs used in chemotherapy, such as cyclophosphamide, vincristine, dexamethasone, methotrexate, and cytarabine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Immunotherapy with rituximab and blinatumomab, may induce changes in body's immune system and may interfere with the ability of cancer cells to grow and spread. Ponatinib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Granulocyte colony stimulating factor helps the bone marrow make recover after treatment. Giving low-intensity chemotherapy, ponatinib, and blinatumomab may work better in treating patients with acute lymphoblastic leukemia.

Description

PRIMARY OBJECTIVES:

I. To evaluate the complete molecular response (CMR) rate of ponatinib and blinatumomab in combination with low-intensity chemotherapy in patients with newly diagnosed Philadelphia chromosome (Ph)-positive and/or BAR-ABL-positive acute lymphoblastic leukemia (ALL). (Cohort

II. To evaluate the overall response (OR; complete response [CR] + complete response with hematologic improvement [CRi]) in patients with relapsed/refractory disease. (Cohort 2)

SECONDARY OBJECTIVES:

I. To evaluate other clinical efficacy endpoints (complete cytogenetic response, complete molecular response [CMR] [for relapsed/refractory population], event-free survival and overall survival) and safety of the combination regimen.

EXPLORATORY OBJECTIVES:

I. To characterize the role of ABL1 kinase domain mutations on treatment failure and relapse in patients with Ph+ ALL treated with hyper-CVD plus ponatinib and blinatumomab.

II. To determine the impact of recurrent genomic alterations and ribonucleic acid (RNA) expression at diagnosis on relapse free survival (RFS) in patients with Ph+ ALL treated with hyper-CVD plus ponatinib and blinatumomab.

III. To investigate the impact of next-generation sequencing-based minimal residual disease assessment on relapse-free survival in patients with Ph+ ALL.

IV. To determine the effect on immune cell subsets in patients with Ph+ ALL treated with blinatumomab plus ponatinib.

OUTLINE

CYCLES 1 and 3: Patients receive ponatinib orally (PO) once daily (QD) on days 1-21 of cycle 1 and on days 1-28 of subsequent cycles, cyclophosphamide intravenously (IV) twice daily (BID) over 3 hours on days 1-3, rituximab IV over 4-6 hours on days 1 and 11, vincristine IV over 15 minutes on days 1 and 11, and pegfilgrastim or filgrastim subcutaneously (SC) daily on day 4. Patients also receive methotrexate intrathecally via spinal tap on day 2 and cytarabine intrathecally on day 7 in the absence of disease progression or unacceptable toxicity.

CYCLES 2 and 4: Patients receive ponatinib PO QD on days 1-28, methotrexate IV over 24 hours on day 1 and intrathecally on day 8, cytarabine IV BID over 2-3 hours on days 2 and 3 and intrathecally on day 5, pegfilgrastim or filgrastim SC daily on day 4, and rituximab IV over 4-6 hours on days 1 and 8 in the absence of disease progression or unacceptable toxicity.

CYCLES 5-8: Patients receive blinatumomab via central catheter continuously over weeks 1-4 every 6 weeks. Patients also receive methotrexate intrathecally on day 1 of cycle 5 and on day 8 of cycle 6 and cytarabine intrathecally on day 7 of cycle 5 and on day 1 of cycle 6 in the absence of disease progression or unacceptable toxicity.

MAINTENANCE THERAPY:

CYCLES 1-3, 5-7, 9-11, and 13-15: After 4 cycles of blinatumomab, if disease has not gotten worse, patients receive vincristine IV over 15 minutes on day 1, prednisone PO on days 1-5, and ponatinib PO QD on days 1-28.

CYCLES 4, 8, and 12: Patients receive blinatumomab via central catheter continuously over weeks 1-4 every 6 weeks and ponatinib PO QD on days 1-28.

Treatment repeats every 28 days for up to 15 cycles in the absence of disease progression or unacceptable toxicity. Patients unable to receive blinatumomab, you may receive maintenance therapy with vincristine, prednisone, and ponatinib for a total of about 24 cycles at the discretion of doctor.

POST-MAINTENANCE THERAPY: Patients receive ponatinib PO QD on days 1-28. Cycles repeat every 28 days for up to 5 years in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 30 days and then every 6 months thereafter.

Details

Condition	Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia With BCR-ABL1, Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Recurrent Acute Lymphoblastic Leukemia, Refractory Acute Lymphoblastic Leukemia
Treatment	Rituximab, cyclophosphamide, methotrexate, filgrastim, cytarabine, vincristine, pegfilgrastim, Ponatinib, Blinatumomab
Clinical Study Identifier	NCT03147612
Sponsor	M.D. Anderson Cancer Center
Last Modified on	28 October 2022

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Eligibility		Yes	No	Not Sure
Inclusion Criteria
	Patients >= 18 years of age with previously untreated Ph-positive ALL (either t(9;22) and/or BCR-ABL positive) (includes patients initiated on first cycle of hyper-CVAD before cytogenetics known. These patients could have received one or two cycles of chemotherapy with or without other TKIs and still eligible
	Performance status =< 2 (Eastern Cooperative Oncology Group [ECOG] scale)
	If they achieved CR, they are assessable only for event-free and overall survival, or
	If they failed to achieve CR, they are assessable for CR, event-free, and overall survival
	Alanine aminotransferase (ALT) =< 3 x ULN
	Patients >= 18 years of age with relapsed/refractory Ph-positive ALL or lymphoid
	accelerated or blast phase chronic myelogenous leukemia (CML)
	Aspartate aminotransferase (AST) =< 3 x ULN
	Serum lipase and amylase =< 1.5 x ULN
	Total serum bilirubin =< 2 x upper limit of normal (ULN), unless due to Gilbert's
	Creatinine =< 2.0 mg/dl
	syndrome
	Adequate cardiac function as assessed clinically by history and physical examination
	Signed informed consent
	Female patients who: are postmenopausal for at least 1 year before the screening
	visit, OR are surgically sterile, OR if they are of childbearing potential, agree to
	practice 2 effective methods of contraception, at the same time, from the time of
	signing the informed consent through 4 months after the last dose of study drug, or
	agree to completely abstain from heterosexual intercourse
	Male patients, even if surgically sterilized (i.e., status post-vasectomy), who: agree
	to practice effective barrier contraception during the entire study treatment period
	and through 4 months after the last dose of study drug, or agree to completely abstain
	from heterosexual intercourse
Exclusion Criteria
	Active serious infection not controlled by oral or intravenous antibiotics
	History of alcohol abuse
	Known active hepatitis B. Patients with chronic hepatitis B who are on appropriate
	viral suppressive therapy may be allowed after discussion with the principal
	investigator (PI)
	History of acute pancreatitis within 1 year of study or history of chronic
	pancreatitis
	Uncontrolled hypertriglyceridemia
	Active secondary malignancy other than skin cancer (e.g., basal cell carcinoma or
	squamous cell carcinoma) that in the investigator's opinion will shorten survival to
	less than 1 year
	Active grade III-V cardiac failure as defined by the New York Heart Association
	criteria
	Uncontrolled, or active cardiovascular disease, specifically including, but not
	restricted to: myocardial infarction (MI), stroke, or revascularization within 3
	months; unstable angina or transient ischemic attack; congestive heart failure prior
	to enrollment, or left ventricular ejection fraction (LVEF) less than lower limit of
	normal per local institutional standards prior to enrollment; diagnosed or suspected
	congenital long QT syndrome; clinically significant atrial or ventricular arrhythmias
	as determined by the treating physician; prolonged corrected QT (QTc) interval on
	pre-entry electrocardiogram (> 470 msec) unless corrected after electrolyte
	replacement. or approved by cardiologist; Significant venous or arterial
	thromboembolism including deep venous thrombosis or pulmonary embolism. Patients with
	a history of treated prior superficial or catheter associated phlebitis will not be
	considered as significant embolism and after discussion with principal investigator
	(PI) will not be excluded from eligibility. Uncontrolled hypertension (diastolic blood
	pressure > 90 mmHg; systolic > 140mmHg). Patients with hypertension should be under
	treatment on study entry to effect blood pressure control
	Taking any medications or herbal supplements that are known to be strong inhibitors of
	CYP3A4 within at least 14 days or 5 half-lives before the first dose of ponatinib in
	patients with newly diagnosed only
	History or presence of clinically relevant central nervous system (CNS) pathology such
	as epilepsy, childhood or adult seizure, paresis, aphasia, stroke, severe brain
	injuries, dementia, Parkinson's disease, cerebellar disease, organic brain syndrome
	or psychosis. Patients with active CNS leukemia will NOT be excluded
	Current autoimmune disease or history of autoimmune disease with potential CNS
	involvement
	Treatment with any investigational antileukemic agents or chemotherapy agents in the
	last 7 days before study entry, unless full recovery from side effects has occurred or
	patient has rapidly progressive disease judged to be life-threatening by the
	investigator
	Pregnant and lactating women will not be eligible; women of childbearing potential
	should have a negative pregnancy test prior to entering on the study and be willing to
	practice methods of contraception. Women do not have childbearing potential if they
	have had a hysterectomy or are postmenopausal without menses for 12 months. In
	addition, men enrolled on this study should understand the risks to any sexual partner
	of childbearing potential and should practice an effective method of birth control
	History of significant bleeding disorder unrelated to cancer, including: diagnosed
	congenital bleeding disorders (e.g., von Willebrand's disease); and diagnosed acquired
	bleeding disorder within one year (e.g., acquired anti-factor VIII antibodies)
	Patients with documented significant pleural or pericardial effusions unless they are
	thought to be secondary to their leukemia

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Phase II Study of the Sequential Combination of Low-Intensity Chemotherapy and Ponatinib Followed by Blinatumomab and Ponatinib in Patients With Philadelphia Chromosome (Ph)-Positive and/or BCR-ABL Positive Acute Lymphoblastic Leukemia (ALL)