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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03426969
Other study ID # 2017-0375
Secondary ID NCI-2018-0091020
Status Completed
Phase Early Phase 1
First received
Last updated
Start date January 31, 2018
Est. completion date September 21, 2020

Study information

Verified date October 2020
Source M.D. Anderson Cancer Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This early phase I trial studies the side effects of combination chemotherapy, total body irradiation, and donor blood stem cell transplant in treating patients with primary or secondary myelofibrosis. Drugs used in chemotherapy, such as melphalan, fludarabine phosphate, cyclophosphamide, tacrolimus, mycophenolate mofetil, and filgrastim 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.


Description:

PRIMARY OBJECTIVE:

I. To evaluate the safety and tolerability of reduced-intensity (FM) 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 estimate graft failure-free survival (GFS) at 100-days post-transplant. III. 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.

IV. 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).

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

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

OUTLINE:

Patients receive melphalan intravenously (IV) over 30 minutes on days -5, fludarabine phosphate IV over 1 hour on days -5 to -2. Patients undergo total body irradiation (TBI) on day -1 and hematopoietic stem cell transplant (HCT) on day 0. Patients then receive cyclophosphamide IV over 1-2 hours on days 3 and 4. Beginning on day 5, patients receive tacrolimus IV continuously for approximately 2 weeks, then orally (PO) for 6 months followed by a taper, mycophenolate mofetil PO thrice daily (TID) until day 100, and filgrastim subcutaneously (SC) daily from day 7 until continued until absolute neutrophil count (ANC) > 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 up at 1, 3, 6, 9, 12 and 24 months.


Recruitment information / eligibility

Status Completed
Enrollment 3
Est. completion date September 21, 2020
Est. primary completion date September 21, 2020
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria:

- Diagnosis of primary or secondary Myelofibrosis with transplant indication by DIPSS-plus (> intermediate -1);

- Age 18-70; patients >/= age 50 must have an comorbidity score (HCT-CI) </= 4 (Sorror). The Principal Investigator is the final arbiter for comorbidity;

- Patients can be in chronic phase (CP) with BM blast count </= 10% or after progression to AML and achieved </= 5% BM blasts (morphologic CR prior to transplant);

- Lack of an 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;

- Adequate organ function: ALT/AST/billirubin </= 5X UNL, creatinine clearance > 50mls/min (calculated with Cockroft-Gault formula); LVEF >/= 50%, DLCOc >/= 50%;

- Prior treatment with JAK2 inhibitor therapy is not excluded. Patients on a JAK2 inhibitor may continue through conditioning until Day -3 then tapered at the discretion of the investigator.

Exclusion:

- Evidence of portal hypertension with varices, ascites, or hepatic encephalopathy;

->10% bone marrow blasts at transplant if no history of AML and >5% if had previous progression to AML;

- HIV positive; active hepatitis B or C;

- Patients with active infections. The PI is the final arbiter of the eligibility;

- Liver cirrhosis;

- Prior CNS involvement by tumor cells;

- Severe pulmonary hypertension (PHT) (On echo or right side cardiac catheterization);

- 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 PAP smear);

- Positive Beta 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. Smoking cessation is a standard teaching practice prior to admission for all patients undergoing stem cell transplant. Any patient who refuses to stop smoking prior to transplant will not be eligible for this study.

Study Design


Intervention

Drug:
Cyclophosphamide
Given IV
Biological:
Filgrastim
Given SC
Drug:
Fludarabine Phosphate
Given IV
Procedure:
Hematopoietic Cell Transplantation
Undergo HCT
Drug:
Melphalan
Given IV
Mycophenolate Mofetil
Given PO
Tacrolimus
IV or PO
Radiation:
Total-Body Irradiation
Undergo TBI

Locations

Country Name City State
United States M D Anderson Cancer Center Houston Texas

Sponsors (2)

Lead Sponsor Collaborator
M.D. Anderson Cancer Center National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence of adverse events Observed toxicities will be tabulated and summarized in terms of type (organ affected or laboratory determination), severity, time of onset, duration, probable association with the study regimen and reversibility or outcome. Up to day +100 post-hematopoietic cell transplantation (HCT)
Secondary Overall survival Estimated will be calculated using the Kaplan-Meier product-limit method. Distributions will be compared using the log-rank test. Cox proportional hazards regression will be used to assess the association between survival endpoints and clinical and disease covariates of interest. Up to 24 months
Secondary Progression-free survival Estimated will be calculated using the Kaplan-Meier product-limit method. Distributions will be compared using the log-rank test. Cox proportional hazards regression will be used to assess the association between survival endpoints and clinical and disease covariates of interest. Up to 24 months
Secondary Graft failure-free survival Estimates will be calculated using the Kaplan-Meier product-limit method. Distributions will be compared using the log-rank test. Cox proportional hazards regression will be used to assess the association between survival endpoints and clinical and disease covariates of interest. Up to 24 months
Secondary Time to neutrophil recovery Will be estimated using the Kaplan-Meier product-limit method. Distributions will be compared using the log-rank test. Cox proportional hazards regression will be used to assess the association between survival endpoints and clinical and disease covariates of interest. Up to 24 months
Secondary Time to platelet recovery Will be estimated using the Kaplan-Meier product-limit method. Distributions will be compared using the log-rank test. Cox proportional hazards regression will be used to assess the association between survival endpoints and clinical and disease covariates of interest. Up to 24 months
Secondary Non-relapse mortality (NRM) The cumulative incidence of relapse/progression with a competing risk of NRM will be estimated in a competing risks framework. Analyses to assess the association between the cumulative incidence of the above parameters and clinical and disease covariates of interest will be performed using the method of Fine and Gray. Up to 24 months
Secondary Acute graft versus host disease (GvHD) Will be estimated in a competing risks framework with competing risks of relapse and NRM. Analyses to assess the association between the cumulative incidence of the above parameters and clinical and disease covariates of interest will be performed using the method of Fine and Gray. Up to 24 months
Secondary Chronic GvHD Will be estimated in a competing risks framework with competing risks of relapse and NRM. Analyses to assess the association between the cumulative incidence of the above parameters and clinical and disease covariates of interest will be performed using the method of Fine and Gray. Up to 24 months
See also
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