Active Immunization of Sibling Bone Marrow Transplant Donors Against Purified Myeloma Protein of the Recipient Undergoing Allogeneic Bone Marrow Transplantation
Multiple Myeloma remains a largely incurable disease with current therapy. Allogeneic bone
marrow transplantation provides an opportunity to add the potential antitumor effect of
marrow grafts to those of high dose chemotherapy. One potential strategy for enhancing a
graft vs. tumor effect without aggravating graft vs. host disease would be to selectively
target an immune response against a defined tumor-specific antigen. The idiotype of the
rearranged immunoglobulin gene product of a myeloma can serve as a unique tumor-specific
antigen for vaccine development. We are testing the hypothesis that tumor antigen-specific
immunity can be adoptively transferred to BMT recipients by active immunization of marrow
transplant donors with purified myeloma idiotype protein, conjugated to a carrier protein
(KLH) and administered with GM-CSF as an immunological adjuvant.
Patients under age 60 with an HLA-matched sibling donor, with minimal prior treatment,
defined by less than six months prior chemotherapy, and who are in a minimal residual
disease state prior to allogeneic BMT, as defined by the achievement of at least a PR, are
eligible. HLA matched sibling donors receive a series of three vaccinations during an eight
week period prior to bone marrow harvest. Recipients concurrently receive vaccinations
pre-BMT, as well as three booster vaccinations at weeks 12, 16, and 24 post-BMT. Id-KLH
(0.5 mg) is administered s.c. GM-CSF (250 micrograms/m(2)) is administered s.c. locally with
the vaccine on the day of vaccination and for the three consecutive days following
vaccination. The objective of this protocol is to induce cellular and humoral immunity in
marrow transplant donors and recipients against the unique idiotype expressed by the
recipient's myeloma.
Interventional
Primary Purpose: Treatment
United States: Federal Government
970030
NCT00001561
November 1996
September 2005
Name | Location |
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National Cancer Institute (NCI) | Bethesda, Maryland 20892 |