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Spots Global Cancer Trial Database for Chemotherapy, Stem Cell Transplantation and Donor and Patient Vaccination for Treatment of Multiple Myeloma

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Trial Identification

Brief Title: Chemotherapy, Stem Cell Transplantation and Donor and Patient Vaccination for Treatment of Multiple Myeloma

Official Title: Active Immunization of Sibling Stem Cell Transplant Donors Against Purified Myeloma Protein of the Stem Cell Recipient With Multiple Myeloma in the Setting of Non-Myeloablative, HLA-Matched Allogeneic Peripheral Blood Stem Cell Transplantation

Study ID: NCT00006184

Study Description

Brief Summary: Background: The mainstay of therapy for newly diagnosed multiple myeloma patients remains systemic chemotherapy. Although partial remissions of up to 60% are obtained with conventional regimens, multiple myeloma is essentially an incurable disease with a median survival of approximately 30 months. Allogeneic stem cell transplantation (SCT) results in a high percentage of complete remissions, but it can be associated with significant treatment-related mortality, which has been primarily attributed to conventional myeloablative transplant regimens. Recent clinical studies have shown that highly immunosuppressive yet non-myeloablative doses of fludarabine-based chemotherapy can result in alloengraftment. Even with a reduction in treatment related mortality, success with allogeneic SCT is limited by a significant risk of relapse. Donor immunization with myeloma Id in the setting of a non-myeloablative allogeneic SCT may represent a novel strategy for the treatment of multiple myeloma. Objectives: Primary Objectives: To induce cellular and humoral immunity in allogeneic stem cell donors and recipients against the unique idiotype expressed by the recipient's myeloma. To determine whether antigen-specific immunity, induced in the stem cell donor, can be passively transferred to the allogeneic SCT recipient in the setting of a non-myeloablative conditioning regimen. Secondary Objectives: To evaluate the effect of the Fludarabine-(etoposide, doxorubicin, vincristine, prednisone, cyclophosphamide) EPOCH regimen on host T cell depletion and myeloid depletion prior to allogeneic SCT. To determine the efficacy of a novel conventional chemotherapy regimen (Fludarabine-EPOCH) in the setting multiple myeloma. To determine the treatment-related morbidity and mortality of allogeneic stem cell transplantation using a non-myeloablative conditioning regimen in multiple myeloma. To determine if the re-vaccination of allogeneic stem cell donors with the unique idiotype expressed by the recipient's myeloma will enhance cellular and humoral immunity to patient specific-idiotype prior to lymphocyte donation for the treatment of patients with recurrent or progressive disease after transplantation. Eligibility: Patients 18-75 years of age with Immunoglobulin G (IgG) or Immunoglobulin A (IgA) multiple myeloma. Patients must have achieved at least a partial remission following initial conventional chemotherapy regimen or after autologous stem cell transplantation. Consenting first degree relative matched at 6/6 or 5/6 human leukocyte antigen (HLA) antigens. Design: Phase 2 trial using a non-myeloablative conditioning regimen to reduce treatment-related toxicity. Recipient will undergo a plasmapheresis to obtain starting material for the isolation of idiotype protein. Donors would be immunized with an Id vaccine prepared from the patient. Prior to transplantation patients would receive a conventional chemotherapy regimen which contains agents active in myeloma and is T cell depleting. The allogeneic SCT would be performed with a conditioning regimen consisting of cyclophosphamide and fludarabine. The stem cell source would be blood mobilized with filgrastim. Recipients will be immunized with the Id vaccine following transplantation.

Detailed Description: Background: The mainstay of therapy for newly diagnosed multiple myeloma patients remains systemic chemotherapy. Although partial remissions of up to 60% are obtained with conventional regimens, multiple myeloma is essentially an incurable disease with a median survival of approximately 30 months. Allogeneic stem cell transplantation (SCT) results in a high percentage of complete remissions, but it can be associated with significant treatment-related mortality, which has been primarily attributed to conventional myeloablative transplant regimens. Recent clinical studies have shown that highly immunosuppressive yet non-myeloablative doses of fludarabine-based chemotherapy can result in allo-engraftment. Even with a reduction in treatment related mortality, success with allogeneic SCT is limited by a significant risk of relapse. Donor immunization with myeloma Id in the setting of a non-myeloablative allogeneic SCT may represent a novel strategy for the treatment of multiple myeloma. Objectives: Primary Objectives: To induce cellular and humoral immunity in allogeneic stem cell donors and recipients against the unique idiotype expressed by the recipient's myeloma. To determine whether antigen-specific immunity, induced in the stem cell donor, can be passively transferred to the allogeneic SCT recipient in the setting of a non-myeloablative conditioning regimen. Secondary Objectives: To evaluate the effect of the Fludarabine-EPOCH regimen on host T cell depletion and myeloid depletion prior to allogeneic SCT. To determine the efficacy of a novel conventional chemotherapy regimen (Fludarabine-EPOCH) in the setting multiple myeloma. To determine the treatment-related morbidity and mortality of allogeneic stem cell transplantation using a non-myeloablative conditioning regimen in multiple myeloma. To determine if the re-vaccination of allogeneic stem cell donors with the unique idiotype expressed by the recipient's myeloma will enhance cellular and humoral immunity to patient specific-idiotype prior to lymphocyte donation for the treatment of patients with recurrent or progressive disease after transplantation. Eligibility: Patients 18-75 years of age with IgG or IgA multiple myeloma. Patients must have achieved at least a partial remission following initial conventional chemotherapy regimen or after autologous stem cell transplantation. Consenting first degree relative matched at 6/6 or 5/6 HLA antigens. Design: Phase 2 trial using a non-myeloablative conditioning regimen to reduce treatment-related toxicity. Recipient will undergo a plasmapheresis to obtain starting material for the isolation of idiotype protein. Donors would be immunized with an Id vaccine prepared from the patient. Prior to transplantation patients would receive a conventional chemotherapy regimen which contains agents active in myeloma and is T cell depleting. The allogeneic SCT would be performed with a conditioning regimen consisting of cyclophosphamide and fludarabine. The stem cell source would be blood mobilized with filgrastim. Recipients will be immunized with the Id vaccine following transplantation.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States

Contact Details

Name: Claude Sportes, M.D.

Affiliation: National Cancer Institute (NCI)

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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