A Phase II Study of Umbilical Cord Blood Transplantation

Multiple Myeloma Clinical Trial

Official title:

A Phase II Study of Umbilical Cord Blood Transplantation Following Myeloablative or Reduced-Intensity Conditioning

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT00676806
• Other study ID #: UCBT001
• Status: Completed
• Phase: Phase 2
• First received: May 9, 2008
• Last updated: December 8, 2014
• Start date: July 2005
• Est. completion date: July 2014

Study information

• Verified date: December 2014
• Source: Tufts Medical Center
• Contact: n/a
• Is FDA regulated: No
• Health authority: United States: Institutional Review Board
• Study type: Interventional

Clinical Trial Summary

This study is designed to determine whether Umbilical Cord Transplantation (UCB) can be substituted for adult bone marrow cells in the standard stem cell transplant regimens used at this hospital for subjects who do not have stem cell donors.

Description:

Allogeneic stem cell transplantation (SCT) following myeloablative and non-myeloablative conditioning therapy has proven curative treatment for a number of inherited and acquired hematologic disorders. The success of allogeneic transplantation is largely determined by compatibility between donor and recipient, which predicts the risk of fatal graft-versus-host disease (GVHD). Unfortunately, less than one third of patients needing an allogeneic transplant have an available compatible donor in their family. Registries have been established to match patients with compatible volunteer (unrelated) donors, but many patients, and in particular minority patients, still lack stem cell donors.

Umbilical cord blood (UCB) is a rich source of hematopoietic stem cells, which is readily available from the placenta following childbirth. Blood banks have been established in the United States and abroad to collect, process and store UCB for use in allogeneic transplantation. To date, more than 2000 UCB transplants have been performed in adults and children around the world.

Rationale for use of Umbilical Cord Blood in Transplantation

UCB has a number of proven and theoretical advantages as an alternative source of hematopoietic stem cells for transplantation:

1. Placental or umbilical cord blood is an abundantly available source of stem cells, which is currently discarded and can be harvested at no risk to the mother or infant.

2. Important infectious agents, particularly CMV, are much less common in the newborn than adults, and are less likely to contaminate UCB collections.

3. UCB collections, typed, cryopreserved and banked, are available on demand, eliminating delays and uncertainties that now complicate marrow collection from unrelated donors. At present, UCB can be delivered for infusion within days of the initiation of a search. This compares with a median of 3 months from search to delivery of stem cells through the registries of volunteer adult donors.

4. The intensity of graft-versus-host reactivity of fetal lymphocytes appears to be less than that of adult cells and consequently fetal lymphocytes are more tolerant of HLA incompatibility. Published studies have shown that transplantation of UCB matched at 4-5/6 antigens results in a comparable incidence of GVHD to transplantation of unrelated stem cells fully matched at 6/6 antigens.

5. Frozen UCB can be easily shipped, stored at the treating institution, and thawed for use when needed, compared to freshly donated stem cells which have a limited shelf-life of one day or less, necessitating coordination between harvesting surgeons, transportation, and transplantation teams.

This research study has been designed for people who have been diagnosed with a blood tumor, which has not responded to treatment or has recurred, a bone marrow failure state such as aplastic anemia, or one of certain inherited metabolic disorders; and whose doctor feels the best treatment is an allogeneic stem cell transplant (alloSCT) but a related or unrelated adult donor is not available. Instead, a single unit of umbilical cord blood (UCB) will be used as the source of the subject's immune system. This study is designed to determine whether a single unit of UCB can be substituted for adult bone marrow cells in the standard stem cell transplant regimens used at this hospital for subjects who do not have stem cell donors.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 7
• Est. completion date: July 2014
• Est. primary completion date: July 2013
• Accepts healthy volunteers: No
• Gender: Both
• Age group: N/A to 70 Years

Eligibility

Inclusion Criteria:

Patients meeting eligibility criteria for unrelated allogeneic stem cell transplantation may be considered for participation on this clinical trial if and only if they meet each of the following criteria:

• Patients must have one of the following diagnoses

• Relapsed or refractory hematologic malignancy, or

• High risk hematologic malignancy in first remission, or

• Refractory acquired marrow failure state, or

• Inherited disorder of metabolism or marrow failure state without alternative curative therapy.

• Patients must not have a 6/6 or 5/6 HLA-matched related donor.

• Patients must not have a HLA-A, -B and -DRB1 high resolution matched unrelated donor following registry search, or cannot (in the opinion of the treating physician) wait the median 3 months to receive a MUD unit.

• Patients must demonstrate an ability to understand and willingness to sign the informed consent document

Patients considered for myeloablative conditioning must satisfy the following additional criteria:

• Patients must be up to age 55 (inclusive)

• Patients must have serum direct bilirubin = 2.0 mg/dl and transaminases = 2x institution upper limit of normal

• Patients must have serum creatinine = 2 mg/dl with creatinine clearance = 60 ml/min (either calculated or measured).

• Patients must have MUGA scan or echocardiogram normal for the institution, but not less than 45% left ventricular ejection fraction and no clinical evidence of cardiac dysfunction.

• Patients must have an ECOG performance status of 0 or 1 (see Appendix C).

• Patients must have adequate pulmonary function when corrected for hemoglobin and alveolar volume as evidenced by a diffusion capacity and FEV1 > 50% of predicted.

Patients considered for reduced-intensity conditioning must satisfy the following additional criteria:

• Patients must not be candidates for myeloablative conditioning due to any one of the following: Prior myeloablative stem cell transplantation, Age > 50, Co morbid illness

• In opinion of treating physician, unable to comply with or withstand rigors of myeloablative conditioning

• Patients with leukemia must have circulating and bone marrow blast counts < 5%, all other patients must have chemotherapy responsive disease

• Patients must be between the ages of 18 and 70 (inclusive)

• Patients must have serum direct bilirubin = 2.0 mg/dL and transaminases = 3x institution upper limit of normal

• Patients must have creatinine clearance = 30 ml/min (either calculated or measured).

• Patients must have MUGA scan or echocardiogram documenting left ventricular ejection fraction of no less than 35% and no clinical evidence of cardiac dysfunction.

Patients must have an ECOG performance status of 0 or 1 (see Appendix C).

Patients must have adequate pulmonary function when corrected for hemoglobin and alveolar volume as evidenced by a diffusion capacity and FEV1 = 40% of predicted.

Exclusion Criteria:

Patients are ineligible for participation on this trial if they meet any of the following criteria:

• Patients with a history of myocardial infarction within the preceding 6 months, significant arrhythmia within the preceding 3 months, uncontrolled hypertension or congestive heart failure are ineligible.

• Patients with unstable angina are not eligible.

• Pregnant or lactating women are ineligible.

• Male and female patients who do not agree to practice approved methods of birth control for the duration of the study are ineligible.

• Patients with uncontrolled infection are ineligible.

• Patients who are HIV positive or have evidence of chronic viral hepatitis are ineligible.

• Patients unable to comply with requirements for compliance with therapeutic plan and/or scheduled evaluations

Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

• Anemia, Aplastic
• Aplastic Anemia
• Leukemia
• Lymphoma
• Multiple Myeloma

Intervention

Biological:
• Umbilical Cord Blood Transplantation After Myeloablative Conditioning
Fully-myeloablative Conditioning Regimen: cyclophosphamide (60mg/m2 days -6 & -5), fludarabine (25 mg/m2 days -7, -6, & -5) and total body irradiation (days -3, -2, & -1, total 1200 cGy) followed by cord blood infusion on day 0.
• Umbilical Cord Blood Transplantation After Reduced-Intensity Conditioning
Reduced Intensity Conditioning Regimen: Extracorporeal Photopheresis (days -8 & -7), cyclophosphamide 50 mg/kg (day -6) pentostatin 4 mg/kg/d (continuous infusion days -5 & -4), total body irradiation (days -3 & -2, total 600cGy) followed by Umbilical Cord Blood Infusion day 0.

Locations

Country	Name	City	State
United States	Tufts Medical Center	Boston	Massachusetts

Sponsors (1)

Lead Sponsor	Collaborator
Tufts Medical Center

Country where clinical trial is conducted

United States, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Determine the rate of neutrophil engraftment in adult patients receiving umbilical cord blood for hematopoietic rescue following myeloablative or non-myeloablative conditioning.		+45 and 90 days	Yes
Secondary	Determine the rate of platelet engraftment measured as the median time to platelet engraftment and the Kaplan-Mayer estimate of proportion of patients engrafting by days +45, 90 and 180..		+45, 90 and 180 days	Yes
Secondary	Evaluate the incidence of acute and chronic GVHD		Day +100, ongoing	Yes
Secondary	Compare rates of engraftment and complications between patients receiving ablative vs. non-myeloablative conditioning prior to UCB transplantation.		Day +100	Yes
Secondary	Evaluate infectious complications in UCB recipients.		Day +100, ongoing	Yes