Tagraxofusp and Low-Intensity Chemotherapy for the Treatment of CD123 Positive Relapsed or Refractory Acute Lymphoblastic Leukemia or Lymphoblastic Lymphoma

Study Results

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

4 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-02-17

Study Completion Date

2024-07-31

Brief Summary

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This phase Ib/II trial studies the effects of tagraxofusp and low-intensity chemotherapy in treating patients with CD123 positive acute lymphoblastic leukemia or lymphoblastic lymphoma that has come back (relapsed) or does not respond to treatment (refractory). Tagraxofusp consists of human interleukin 3 (IL3) linked to a toxic agent called DT388. IL3 attaches to IL3 receptor positive cancer cells in a targeted way and delivers DT388 to kill them. Chemotherapy drugs, 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. Giving tagraxofusp with chemotherapy may help control CD123 positive relapsed or refractory acute lymphoblastic leukemia or lymphoblastic lymphoma.

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Detailed Description

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PRIMARY OBJECTIVE:

I. To evaluate the overall response rate (complete response \[CR\] + CR with inadequate count recovery \[CRi\]) of the regimen within 3 cycles.

SECONDARY OBJECTIVES:

I. Evaluate other clinical efficacy endpoints (CR rate, minimal residual disease \[MRD\] negativity, duration of response \[DOR\], relapse-free survival \[RFS\] overall survival \[OS\]).

II. Determine the proportion of patients proceeding to allogeneic stem cell transplantation (allo-SCT).

III. Determine the safety of the combination regimen.

EXPLORATORY OBJECTIVES:

I. To determine CD123 expression levels pre- and post-therapy. II. To correlate baseline CD123 expression with response rates and duration of response.

III. To evaluate change in apoptotic protein expression and alterations in cellular signaling pathways using cytometry by time of flight (CyTOF).

IV. To determine baseline gene expression profile in order to identify ALL subtypes and correlate with clinical outcomes and response to single-agent tagraxofusp-erzs (tagraxofusp).

OUTLINE:

TAGRAXOFUSP AND CHEMOTHERAPY PHASE:

CYCLE 1: Patients receive tagraxofusp-erzs intravenously (IV) over 15 minutes on days 1-5.

CYCLES 2 AND 4: Patients receive tagraxofusp-erzs IV over 15 minutes on days 1-3, cyclophosphamide IV over 3 hours twice daily (BID) and mesna IV on days 4-6, vincristine IV over 15 minutes on days 4 and 15, dexamethasone IV over 30 minutes or orally (PO) on day 4-7 and 14-17, methotrexate intrathecally (IT) on day 5, and filgrastim-sndz subcutaneously (SC) or pegfilgrastim SC on day 8, and cytarabine IT on day 10. Patients may receive rituximab IV over 4-6 hours on days 4 and 14.

CYCLES 3 AND 5: Patients receive tagraxofusp-erzs IV over 15 minutes on days 1-3, methotrexate IV over 24 hours on day 4, cytarabine IV over 3 hours BID on days 5-6, filgrastim-sndz SC or pegfilgrastim SC on day 6, methotrexate IT and cytarabine IT on day 11. Patients may receive rituximab IV over 4-6 hours on days 4 and 11. Beginning about 12 hours after the day 4 dose of methotrexate, patients may also receive leucovorin IV over 15 minutes, 4 times a day for about 8 doses.

CYCLES 6 AND 8: Patients receive cyclophosphamide IV over 3 hours BID and mesna IV on days 1-3, vincristine IV over 15 minutes on days 1 and 11, dexamethasone IV over 30 minutes or PO on day 1-4 and 11-14, and filgrastim-sndz SC or pegfilgrastim SC on day 5.

CYCLES 7 AND 9: Patients receive methotrexate IV over 24 hours on day 1, cytarabine IV over 3 hours BID on days 2-3, and filgrastim-sndz SC or pegfilgrastim SC on day 4. Beginning about 12 hours after the day 1 dose of methotrexate, patients may receive leucovorin IV over 15 minutes, 4 times a day for about 8 doses.

Cycle 1 is 21 days. Treatment repeats every 28 days for cycles 2-9 in the absence of disease progression or unacceptable toxicity.

TAGRAXOFUSP AND MAINTENANCE PHASE:

CYCLES 1-3, 5-7, 9-11, 13-15: Patients receive mercaptopurine PO three time daily (TID) on days 1-28, prednisone PO once daily (QD) on day 1-5, methotrexate PO once every week (QW) and vincristine IV over 15 minutes every 4 weeks.

CYCLES 4, 8, and 12: Patients receive tagraxofusp-erzs IV over 15 minutes on days 1-5.

Treatment repeats every 28 days for 15 cycles in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 30 days and then every 3 months thereafter.

Conditions

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Recurrent Adult Lymphoblastic Lymphoma Recurrent B Acute Lymphoblastic Leukemia Recurrent T Acute Lymphoblastic Leukemia Refractory B Acute Lymphoblastic Leukemia Refractory Lymphoblastic Lymphoma Refractory T Acute Lymphoblastic Leukemia

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Treatment (tagraxofusp, chemotherapy)

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Group Type EXPERIMENTAL

Cyclophosphamide

Intervention Type DRUG

Given IV

Cytarabine

Intervention Type DRUG

Given IT

Dexamethasone

Intervention Type DRUG

Given IV or PO

Filgrastim-sndz

Intervention Type BIOLOGICAL

Given SC

Leucovorin

Intervention Type DRUG

Given IV

Mercaptopurine

Intervention Type DRUG

Given PO

Mesna

Intervention Type DRUG

Give IV

Methotrexate

Intervention Type DRUG

Given IT

Pegfilgrastim

Intervention Type BIOLOGICAL

Given SC

Prednisone

Intervention Type DRUG

Given PO

Rituximab

Intervention Type BIOLOGICAL

Given IV

Tagraxofusp-erzs

Intervention Type BIOLOGICAL

Given IV

Vincristine

Intervention Type DRUG

Given IV

Interventions

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Cyclophosphamide

Given IV

Intervention Type DRUG

Cytarabine

Given IT

Intervention Type DRUG

Dexamethasone

Given IV or PO

Intervention Type DRUG

Filgrastim-sndz

Given SC

Intervention Type BIOLOGICAL

Leucovorin

Given IV

Intervention Type DRUG

Mercaptopurine

Given PO

Intervention Type DRUG

Mesna

Give IV

Intervention Type DRUG

Methotrexate

Given IT

Intervention Type DRUG

Pegfilgrastim

Given SC

Intervention Type BIOLOGICAL

Prednisone

Given PO

Intervention Type DRUG

Rituximab

Given IV

Intervention Type BIOLOGICAL

Tagraxofusp-erzs

Given IV

Intervention Type BIOLOGICAL

Vincristine

Given IV

Intervention Type DRUG

Other Intervention Names

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(-)-Cyclophosphamide 2H-1,3,2-Oxazaphosphorine, 2-[bis(2-chloroethyl)amino]tetrahydro-, 2-oxide, monohydrate Carloxan Ciclofosfamida Ciclofosfamide Cicloxal Clafen Claphene CP monohydrate CTX CYCLO-cell Cycloblastin Cycloblastine Cyclophospham Cyclophosphamid monohydrate Cyclophosphamide Monohydrate Cyclophosphamidum Cyclophosphan Cyclophosphane Cyclophosphanum Cyclostin Cyclostine Cytophosphan Cytophosphane Cytoxan Fosfaseron Genoxal Genuxal Ledoxina Mitoxan Neosar Revimmune Syklofosfamid WR- 138719 .beta.-Cytosine arabinoside 1-.beta.-D-Arabinofuranosyl-4-amino-2(1H)pyrimidinone 1-.beta.-D-Arabinofuranosylcytosine 1-Beta-D-arabinofuranosyl-4-amino-2(1H)pyrimidinone 1-Beta-D-arabinofuranosylcytosine 1.beta.-D-Arabinofuranosylcytosine 2(1H)-Pyrimidinone, 4-Amino-1-beta-D-arabinofuranosyl- 2(1H)-Pyrimidinone, 4-amino-1.beta.-D-arabinofuranosyl- Alexan Ara-C ARA-cell Arabine Arabinofuranosylcytosine Arabinosylcytosine Aracytidine Aracytin Aracytine Beta-Cytosine Arabinoside CHX-3311 Cytarabinum Cytarbel Cytosar Cytosine Arabinoside Cytosine-.beta.-arabinoside Cytosine-beta-arabinoside Erpalfa Starasid Tarabine PFS U 19920 U-19920 Udicil WR-28453 Aacidexam Adexone Aknichthol Dexa Alba-Dex Alin Alin Depot Alin Oftalmico Amplidermis Anemul mono Auricularum Auxiloson Baycadron Baycuten Baycuten N Cortidexason Cortisumman Decacort Decadrol Decadron Decadron DP Decalix Decameth Decasone R.p. Dectancyl Dekacort Deltafluorene Deronil Desamethasone Desameton Dexa-Mamallet Dexa-Rhinosan Dexa-Scheroson Dexa-sine Dexacortal Dexacortin Dexafarma Dexafluorene Dexalocal Dexamecortin Dexameth Dexamethasone Intensol Dexamethasonum Dexamonozon Dexapos Dexinoral Dexone Dinormon Dxevo Fluorodelta Fortecortin Gammacorten Hemady Hexadecadrol Hexadrol Lokalison-F Loverine Methylfluorprednisolone Millicorten Mymethasone Orgadrone Spersadex TaperDex Visumetazone ZoDex Filgrastim Biosimilar Filgrastim-sndz Zarxio Folinic acid 3H-Purine-6-thiol 6 MP 6 Thiohypoxanthine 6 Thiopurine 6-Mercaptopurine 6-Mercaptopurine Monohydrate 6-MP 6-Purinethiol 6-Thiopurine 6-Thioxopurine 6H-Purine-6-thione, 1,7-dihydro- (9CI) 7-Mercapto-1,3,4,6-tetrazaindene Alti-Mercaptopurine Azathiopurine Bw 57-323H Flocofil Ismipur Leukerin Leupurin Mercaleukim Mercaleukin Mercaptina Mercaptopurinum Mercapurin Mern NCI-C04886 Puri-Nethol Purimethol Purine, 6-mercapto- Purine-6-thiol (8CI) Purine-6-thiol, monohydrate Purinethiol Purinethol U-4748 WR-2785 2-Mercaptoethanesulfonate, Sodium Salt Ausobronc D-7093 Filesna Mercaptoethane Sulfonate Mercaptoethanesulfonate Mesnex Mesnil Mesnum Mexan Mistabron Mistabronco Mitexan Mucofluid Mucolene UCB 3983 Uromitexan Ziken Abitrexate Alpha-Methopterin Amethopterin Brimexate CL 14377 CL-14377 Emtexate Emthexat Emthexate Farmitrexat Fauldexato Folex Folex PFS Lantarel Ledertrexate Lumexon Maxtrex Medsatrexate Metex Methoblastin Methotrexate LPF Methotrexate Methylaminopterin Methotrexatum Metotrexato Metrotex Mexate Mexate-AQ MTX Novatrex Rheumatrex Texate Tremetex Trexeron Trixilem WR-19039 Filgrastim SD-01 filgrastim-SD/01 Fulphila HSP-130 Jinyouli Neulasta Neulastim Nyvepria Pegcyte Pegfilgrastim Biosimilar HSP-130 Pegfilgrastim Biosimilar Nyvepria Pegfilgrastim Biosimilar Pegcyte Pegfilgrastim Biosimilar Udenyca Pegfilgrastim Biosimilar Ziextenzo pegfilgrastim-apgf pegfilgrastim-bmez pegfilgrastim-cbqv Pegfilgrastim-jmdb SD-01 SD-01 sustained duration G-CSF Udenyca Ziextenzo .delta.1-Cortisone 1, 2-Dehydrocortisone Adasone Cortancyl Dacortin DeCortin Decortisyl Decorton Delta 1-Cortisone Delta-Dome Deltacortene Deltacortisone Deltadehydrocortisone Deltasone Deltison Deltra Econosone Lisacort Meprosona-F Metacortandracin Meticorten Ofisolona Orasone Panafcort Panasol-S Paracort Perrigo Prednisone PRED Predicor Predicorten Prednicen-M Prednicort Prednidib Prednilonga Predniment Prednisone Intensol Prednisonum Prednitone Promifen Rayos Servisone SK-Prednisone ABP 798 BI 695500 C2B8 Monoclonal Antibody Chimeric Anti-CD20 Antibody CT-P10 IDEC-102 IDEC-C2B8 IDEC-C2B8 Monoclonal Antibody MabThera Monoclonal Antibody IDEC-C2B8 PF-05280586 Rituxan Rituximab ABBS Rituximab Biosimilar ABP 798 Rituximab Biosimilar BI 695500 Rituximab Biosimilar CT-P10 Rituximab Biosimilar GB241 Rituximab Biosimilar IBI301 Rituximab Biosimilar JHL1101 Rituximab Biosimilar PF-05280586 Rituximab Biosimilar RTXM83 Rituximab Biosimilar SAIT101 Rituximab Biosimilar SIBP-02 rituximab biosimilar TQB2303 rituximab-abbs RTXM83 Truxima Diphtheria Toxin(388)-Interleukin-3 Fusion Protein DT(388)-IL3 Fusion Protein DT388IL3 fusion protein Elzonris IL3R-targeting Fusion Protein SL-401 SL-401 Tagraxofusp Tagraxofusp ERZS Leurocristine VCR Vincrystine

Eligibility Criteria

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Inclusion Criteria

* Patients 18-70 years of age with relapsed/refractory CD123+ B- or T-cell acute lymphoblastic leukemia (ALL) or lymphoblastic lymphoma. CD123 positivity may be confirmed by either flow cytometry or immunohistochemistry
* Performance status =\< 2 (Eastern Cooperative Oncology Group \[ECOG\] scale)
* Total serum bilirubin =\< 1.5 x upper limit of normal (ULN), unless due to Gilbert's syndrome, in which case patients are eligible as long as direct bilirubin =\< 2 x ULN
* Alanine aminotransferase (ALT) =\< 2.5 x ULN, unless due to disease involvement of the liver or hemolysis, in which case an ALT =\< 10 x ULN is acceptable
* Aspartate aminotransferase (AST) =\< 2.5 x ULN, unless due to disease involvement of the liver or hemolysis, in which case an ALT =\< 10 x ULN is acceptable
* Serum creatinine =\< 1.5 mg/dL
* Serum albumin \>= 3.2 g/dL (32 g/L). Albumin infusions are not permitted in order to enable eligibility
* For females of childbearing potential, a negative pregnancy test must be documented within 1 week of starting treatment
* Female and male patients who are fertile must agree to use an effective form of contraception (birth control methods while on study, such as birth control pills or injections, intrauterine devices (IUDs), or double-barrier methods (for example, a condom in combination with spermicide) with their sexual partners for 4 months after the end of treatment
* Signed informed consent
* Willingness and ability to adhere to study visit schedule and other protocol requirements, including follow-up for survival assessment

* 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. Exception: Treatment with hydroxyurea and/or dexamethasone are allowed prior to study treatment, without window of exclusion
* 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 for 4 months after last study treatment. 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 for 4 months after last study treatment

Exclusion Criteria

* Active serious infection not controlled by oral or intravenous antibiotics
* Known active central nervous system (CNS) leukemia
* Diagnosis of Philadelphia chromosome-positive ALL or Burkitt leukemia/lymphoma
* Active graft versus host disease (GVHD)
* 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
* Known hepatitis B or C infection, or known seropositivity for human immunodeficiency virus (HIV)
* Clinically significant cardiovascular disease (e.g., uncontrolled or any New York Heart Association Class 3 or 4 congestive heart failure, uncontrolled angina, history of myocardial infarction, unstable angina or stroke within 6 months prior to study entry, uncontrolled hypertension or clinically significant arrhythmias not controlled by medication)
* Patients with a cardiac ejection fraction (as measured by either multigated acquisition \[MUGA\] or echocardiogram) less than the lower limit of normal
* No clinically significant abnormalities on 12-lead electrocardiogram
* Uncontrolled, clinically significant pulmonary disease (e.g., chronic obstructive pulmonary disease, pulmonary hypertension) that in the opinion of the Investigator would put the patient at significant risk for pulmonary complications during the study

Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No