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CPX-351 Salvage Therapy Followed by Haplo-Cord Transplant for Relapsed/Refractory Leukemia or Myelodysplastic Syndrome

A Pilot Study of a Novel Sequential Treatment Utilizing CPX-351 as Salvage Chemotherapy Followed by Allogeneic Stem-Cell Transplantation (SCT) Utilizing a Haplo-cord Graft for Patients With Relapsed or Refractory Leukemia or Myelodysplastic Syndrome

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03393611
Enrollment
14
Registered
2018-01-08
Start date
2012-11-30
Completion date
2021-11-18
Last updated
2022-12-21

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

Conditions

Leukemia, Myeloid, Acute, Leukemia, Relapsed Adult Acute Myeloid, Myelodysplastic Syndromes, Myelodysplastic Syndromes, Previously Treated

Brief summary

This pilot study is designed to evaluate outcomes with the combination of CPX-351 salvage therapy and haplo-cord graft stem cell transplantation for subjects with relapsed or refractory AML or myelodysplastic syndrome.

Interventions

DRUGCPX-351

Salvage Chemotherapy: CPX-351 at 120 u/m2 on Days -21, -19, and -17

DRUGFludarabine

Fludarabine 150 mg/m2 (30 mg/m2/day x 5 days, Day -7 to Day -3)

DRUGMelphalan

Melphalan 140 mg/m2 (Day -2)

DRUGRabbit Anti-Human T-Lymphocyte Globulin

Rabbit ATG (rATG)-thymoglobulin 4.5 mg/kg (1.5 mg/kg/day x 3 days)

BIOLOGICALHaplo-Cord Stem Cell Transplantation

Allogeneic stem cell transplantation using a haploidentical donor and umbilical cord blood unit.

Sponsors

Jazz Pharmaceuticals
CollaboratorINDUSTRY
Weill Medical College of Cornell University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 89 Years
Healthy volunteers
No

Inclusion criteria

1. Subject must have refractory or relapsed Acute Myeloid Leukemia (AML) according to previously established criteria: 1. Primary induction failure (PIF) after ≥ 2 cycles of chemotherapy 2. First relapse 3. Relapse refractory to salvage chemotherapy 4. Second or subsequent relapse 2. Subjects with Myelodysplastic Syndrome (MDS): (a) Either Refractory Anemia with Excess Blasts I or Refractory Anemia with Excess Blasts II (RAEB I or RAEB II) 3. Karnofsky performance status ≥ 70 4. Willing to participate as a research subject and sign an informed consent form 5. Adequate physical function measured by: 1. Cardiac: asymptomatic, or if symptomatic then Left Ventricular Ejection Fraction (LVEF) at rest must be ≥ 45% and must improve with exercise 2. Hepatic: ≤3 x upper limit of normal (ULN) alanine aminotransferase (ALT) and ≤ 1.5 total serum bilirubin, unless liver is involved with the disease or there is congenital benign hyperbilirubinemia 3. Renal: serum creatinine within normal range, or if serum creatinine is outside the normal range, then calculated creatinine clearance ≥ 60 ml/min 4. Pulmonary: asymptomatic, or if symptomatic, diffusing capacity of the lungs for carbon monoxide (DLCO) ≥ 45% of predicted (corrected for hemoglobin) 6. If subject has prior malignancy, must be without any evidence of disease of that prior malignancy for at least 2 years (excludes skin cancers that may have been excised within that 2 year period).

Exclusion criteria

1. Serious active or uncontrolled infection or medical condition 2. Women who are pregnant or breast feeding. Women of childbearing age must use adequate contraception and have a negative pregnancy test. 3. Prior daunorubicin therapy with a cumulative dose of more than 368 mg/m2 or equivalent 4. Other systemic anticancer therapy or ongoing clinically relevant toxicities from such therapy (at discretion of the investigator) 5. History of and/or current evidence of myocardial impairment (e.g. cardiomyopathy, ischemic heart disease, significant valvular dysfunction, hypertensive heart disease, congestive heart failure), resulting in heart failure by New York Heart Association Class III or IV staging. 6. Subjects with Wilson disease or other Copper-related disorders.

Design outcomes

Primary

MeasureTime frameDescription
Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability]1 yearEvaluated using the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE)
Neutrophil Engraftment100 daysEvaluate the time to neutrophil engraftment, defined as the first day in which absolute neutrophil count (ANC) \>500/mm3 for three consecutive days
Overall Survival at Day 100, 6 months, and 1 yearDay 100, 6 months, and 1 year post-transplantEvaluate survival of subjects alive, with or without presence of disease, at the designated time points
Disease-Free Survival at Day 100, 6 months, and 1 yearDay 100, 6 months, and 1 year post-transplantEvaluate survival of subjects alive without disease at the designated time points

Secondary

MeasureTime frameDescription
Non-Relapse MortalityDay 100Death that cannot be explained by persistence, relapse, or progression of underlying disease
Relapse RateDay 100, 6 months, 1 yearTime to first relapse or progression of underlying disease after initiation of protocol therapy

Countries

United States

Outcome results

None listed

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