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Vaccination with HA-1 peptide in patients showing minimal residual disease or mixed chimerism after allogeneic stem cell transplantation and donor lymphocyte infusion - HA-1 peptide vaccination after stem cell transplantatio

Conditions
Patients with AML, myelodysplasia (MDS), ALL, CML in accelerated phase or blastic transformation, CLL, MM or aggressive lymphoma, who underwent allo SCT (both myeloablative and non-myeloablative) followed by DLI for persistent mixed chimerism or smoldering disease. Patient and donor HLA-A2 positive, patient HA-1 positive, donor HA-1 negative. Absence of HA-1 specific immune response 8 weeks after allogeneic stem cell transplantation
Registration Number
EUCTR2007-004334-16-NL
Lead Sponsor
eiden University Medical Center
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Authorised-recruitment may be ongoing or finished
Sex
All
Target Recruitment
Not specified
Inclusion Criteria

Patients with AML, myelodysplasia (MDS), ALL, CML in accelerated phase or blastic transformation, CLL, MM or aggressive lymphoma, who underwent allo SCT (both myeloablative and non-myeloablative) followed by DLI for persistent mixed chimerism or smoldering disease
Patient and donor HLA-A2 positive, patient HA-1 positive, donor HA-1 negative.
WHO performance status of 0, 1 or 2 (see appendix)
No pregnancy, not breast feeding
Willing to use of effective contraception during the course of this trial and for at least three months after the last injection.
Life expectation of > 3 months
No severe psychological disturbances

Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

HIV positivity

Graft versus host disease grade 3 or 4

At eight weeks after DLI a HA-1 specific immune response (defined by >0.2% of total CD8+ cells) in first three patients

Rapidly progressive disease needing cytoreductive treatment

At eight weeks after DLI a HA-1 specific immune response (defined by >1.0% of total CD8+ cells) in patients 4-24 if no toxicity >grade II in first three patients

Between six and eight weeks after DLI a doubling of percentage HA-1 specific CD8+ cells to a final percentage >0.2%

Necessity of persistent treatment with high-dose corticosteroids (> 20 mg prednisone a day), chemotherapy or immunosuppressive drugs.

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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