Combination Chemotherapy, Total Body Irradiation, and Donor Blood Stem Cell Transplant in Treating Patients With Secondary Myelofibrosis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE1

Total Enrollment

22 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-05-24

Study Completion Date

2026-05-26

Brief Summary

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This pilot phase I trial studies the side effects of combination chemotherapy, total body irradiation, and donor blood stem cell transplant in treating patients with secondary myelofibrosis. Drugs used in chemotherapy 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. Radiation therapy uses high energy x-rays to kill cancer cells and shrink tumors. Giving combination chemotherapy and total body irradiation before a donor blood stem cell transplant helps to stop the growth of cells in the bone marrow, including normal blood-forming cells (stem cells) and cancer cells. When the healthy stem cells from a donor are infused into the patient they may help the patient's bone marrow make stem cells, red blood cells, white blood cells, and platelets.

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Detailed Description

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PRIMARY OBJECTIVE:

I. To evaluate the safety and tolerability of reduced-intensity (fludarabine/melphalan) haploidentical hematopoietic cell transplantation (Haplo-HCT) followed by post-transplant cyclophosphamide (PTCy) in patients with advanced myelofibrosis (MF), as assessed by the evaluation of toxicities, including type, frequency, severity, attribution, time course and duration.

SECONDARY OBJECTIVES:

I. To summarize and evaluate hematologic (neutrophil and platelet) recovery. II. To evaluate and describe cytokine release syndrome (CRS) post haploidentical HCT in the setting of advanced myelofibrosis, as assessed by grade, frequency, severity, duration and reversibility (outcome).

III. To estimate graft failure-free survival (GFS) at 100-days post-transplant. IV. To estimate overall survival (OS), progression-free survival (PFS) and cumulative incidence (CI) of relapse/progression, and non-relapse mortality (NRM) at 100-days, 1-year, and 2-year post transplant.

V. To estimate the cumulative incidence of acute graft-versus-host disease (GvHD), grade II-IV, at 100-days post-transplant (per Keystone Consensus modification of the Glucksberg criteria).

VI. To estimate the cumulative incidence of chronic GvHD at 1-year and 2-year post transplant (per National Institutes of Health \[NIH\] Consensus Criteria).

VII. To characterize the severity and extent of acute and chronic GvHD.

EXPLORATORY OBJECTIVE:

I. To conduct correlative studies and describe inflammatory cytokine levels and GVHD biomarker levels in plasma and T cell differentiation/functions in patients enrolled onto the trial.

OUTLINE:

Patients receive melphalan intravenously (IV) over 30 minutes on day -5, fludarabine IV over 30-60 minutes on days -5 to -2. Patients undergo total body irradiation (TBI) on day -1 and hematopoietic cell transplantation (HCT) on day 0. Patients receive cyclophosphamide IV over 1-2 hours on days 3 and 4. Starting on day 5, patients receive tacrolimus IV then orally (PO) for 6 months followed by a taper, mycophenolate mofetil PO thrice daily (TID) until day 35, and glycosylated recombinant human G-CSF AVI-014 (G-CSF) IV daily until absolute neutrophil count \> 1,500/mm\^3 for 3 consecutive days. Treatment continues in the absence of disease progression or unexpected toxicity.

After completion of study treatment, patients are followed for up to 2 years.

Conditions

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Secondary Myelofibrosis

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Intervention Type RADIATION

Undergo TBI

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

Allogeneic Hematopoietic Cell Transplantation Allogeneic Stem Cell Transplantation HSC HSCT Stem Cell Transplantation, Allogeneic (-)-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 Fluradosa AVI-014 Alanine Nitrogen Mustard CB-3025 L-PAM L-Phenylalanine Mustard L-Sarcolysin L-Sarcolysin Phenylalanine mustard L-Sarcolysine Melphalanum Phenylalanine Mustard Phenylalanine Nitrogen Mustard Sarcoclorin Sarkolysin WR-19813 CellCept MMF FK 506 Fujimycin Hecoria Prograf Protopic TBI Total Body Irradiation Whole Body Irradiation Whole-Body Irradiation

Eligibility Criteria

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Inclusion Criteria

* Diagnosis of primary of secondary myelofibrosis with transplant indication by Dynamic International Prognostic Scoring System (DIPSS)-plus (\> intermediate-1)
* Patients \>= age 50 must have a comorbidity score (hematopoietic cell transplant-comorbidity index \[HCT-CI\]) \< 4 (Sorror)
* Patients can be in chronic phase (CP) with bone marrow (BM) blast count =\< 15% as long as no evidence of disease acceleration per principal investigator (PI) and treating physician's opinion or after progression to acute myeloid leukemia (AML) and achieved =\< 5% BM blasts (morphologic complete remission \[CR\] prior to transplant)
* Lack of an human leukocyte antigen (HLA) matched donor or need to proceed fast to transplantation when a patient does not have an immediately available matched unrelated donor (typed by high-resolution in the registry)
* Performance status \>= 70% (Karnofsky); patients \> 50 years should have adequate cognitive function; any concerns regarding cognitive function should be addressed by a geriatrician/neurologist
* Alanine aminotransferase (ALT)/aspartate aminotransferase (AST)/bilirubin =\< 5 X upper limit of normal (ULN)
* Measured creatinine clearance \> 60 mls/min
* Left ventricular ejection fraction (LVEF) \>= 50%
* Corrected carbon monoxide diffusing capability (DLCOc) \>= 50%
* No active infections
* Prior treatment with JAK2 inhibitor therapy is not excluded; a JAK2 inhibitor will need to be stopped 1-2 days prior to starting conditioning regimen
* DONOR: Documented informed consent per local, state and federal guidelines
* DONOR: Genotypically haploidentical as determined by HLA typing

* Preferably a non-maternal HLA haploidentical relative due to data of high incidence of graft failure with use of maternal HLA haploidentical cells
* Eligible donors include biological parents, siblings or half-siblings, children, or cousins in rare instances
* DONOR: Absence of pre-existing donor-specific anti-HLA antibodies (DSA) in the recipient; Patients with pre-existing DSA could undergo desensitization per City of Hope (COH) standard operating procedures \[SOP\] and should have DSA \< MFI of 2000 prior to conditioning at discretion of PI
* DONOR: Infectious disease screening performed within 30 days prior to stem cell mobilization per federal guidelines and is:

* Seronegative for HIV 1+2 antibody (Ab) and/or HIV polymerase chain reaction (PCR), human T-cell leukemia virus (HTLV) I/II Ab, hepatitis B virus surface antigen (HBsAg), hepatitis B virus surface antibody (HBcAb), hepatitis C virus (HCV) Ab
* Negative rapid plasma reagin (RPR) for syphilis
* DONOR: Women of childbearing potential (WOCBP): Urine pregnancy testing performed within 7 days prior to stem cell mobilization
* DONOR: Is approved and completed evaluation prior to recipient initiation of the preparative regimen per institutional guidelines

Exclusion Criteria

* Evidence of severe portal hypertension with evidence of decompensation either with bleeding varices, large volume ascites, or hepatic encephalopathy
* In a bone marrow biopsy 4 weeks prior to start of conditioning on study:

* \> 15% bone marrow blasts at transplant if no history of AML and per PI and treating physician's opinion of disease acceleration
* \> 5% if had previous progression to AML
* Human immunodeficiency virus (HIV) positive; active hepatitis B or C
* Patients with active infections; the PI is the final arbiter of the eligibility
* Patients with evidence of severe pulmonary hypertension by echocardiogram and confirmed by a subsequent right side cardiac catheterization pre-enrollment
* Liver cirrhosis
* Prior central nervous system (CNS) involvement by tumor cells
* History of another primary malignancy that has not been in remission for at least 3 years (the following are exempt from the 3-year limit: non-melanoma skin cancer, fully excised melanoma in situ \[stage 0\], curatively treated localized prostate cancer, and cervical or breast carcinoma in situ on biopsy or a squamous intraepithelial lesion on papanicolaou \[PAP\] smear)
* Positive beta human chorionic gonadotropin (HCG) test in a woman with child bearing potential defined as not post-menopausal for 12 months or no previous surgical sterilization
* Noncompliance - inability or unwillingness to comply with medical recommendations regarding therapy or follow-up, including smoking tobacco
* DONOR: Has undergone solid organ, stem cell, bone marrow or blood transplantation
* DONOR: Receiving any investigational agents, or concurrent biological, chemotherapy, immunosuppression or radiation therapy
* DONOR: Active infection
* DONOR: Thrombocytopenia \< 150,000 cells /mm\^3 at baseline evaluation
* DONOR: Sero-positive for HIV-1 \& 2 antibody, HTLV-I \& II antibody, hepatitis B virus (HBV) and HCV
* DONOR: Medical or physical reason which makes the donor unlikely to tolerate or cooperate with growth factor therapy and leukapheresis
* DONOR: Factors which place the donor at increased risk for complications from leukapheresis or G-CSF therapy
* DONOR: WOCBP: Pregnant or =\< 6 months breastfeeding

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No