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Clinical Trials/NCT01995708
NCT01995708CompletedPhase 1

A Phase I Trial of Vaccination With CT7, MAGE-A3, and WT1 mRNA-electroporated Autologous Langerhans-type Dendritic Cells as Consolidation for Multiple Myeloma Patients Undergoing Autologous Stem Cell Transplantation

Memorial Sloan Kettering Cancer Center1 site in 1 country28 target enrollmentStarted: January 31, 2014Last updated:
Conditions

Trial Snapshot

Phase
Phase 1
Status
Completed
Enrollment
28
Locations
1
Primary Endpoint
Number of Participants Evaluated for Vaccine Safety

Study Overview

Brief Summary

The purpose of this study is to see if the investigator can help the immune system to work against myeloma.

This study will see if a vaccine made with altered dendritic cells will make T cells work against tumor cells. The stem cells collected for the transplant will also be used to grow dendritic cells in the lab. The dendritic cells will carry the antigens. These cells then will be injected under the skin. The investigators will do lab studies before and after the vaccination to find out if the vaccine is working.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
None

Eligibility Criteria

Ages
18 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Symptomatic multiple myeloma, ISS stages I-III, within 12 months of starting therapy.
  • Completion of induction therapy with Very Good Partial Response (VGPR), or better, by International Myeloma Working Group (IMWG) criteria.
  • Deemed eligible for ASCT by standard institutional criteria.
  • Age ≥18 years.
  • Documentation of CT7, MAGE-A3, or WT1 expression in the bone marrow and/or bone marrow aspirate.

Exclusion Criteria

  • Prior autologous or allogeneic SCT.
  • Previous immunization against CT7, MAGE-A3, other cancer-testis antigens, or WT
  • Known immunodeficiency, HIV positivity, hepatitis B, or hepatitis C.
  • History of autoimmune disease (e.g., rheumatoid arthritis, SLE), other than vitiligo, diabetes, or treated thyroiditis, which are allowed.
  • History of severe allergic reactions to vaccines or unknown allergens.
  • Participation in any other clinical trial involving another investigational agent within 4 weeks prior to first immunization.
  • Lenalidomide-related toxicities before ASCT necessitating its discontinuation as part of treatment.

Outcomes

Primary Outcomes

Number of Participants Evaluated for Vaccine Safety

Time Frame: 1 year

Participants will be evaluated for the safety of the vaccine, monitored and graded according to the Common Terminology Criteria for Adverse Events (CTCAE) v4.0 for toxicity and adverse event reporting to the Food and Drug Administration. Dose limiting toxicity (DLT) is defined as grade 3 or higher toxicity. The only toxicities captured outside of the SAEs reported will be all grade 1-5 toxicites deemed definitely, probably, or possibly related to the vaccine portion of the study.

Secondary Outcomes

  • Median Progression Free Survival(Up to 7 years)

Investigators

Sponsor Class
Other
Responsible Party
Sponsor

Study Sites (1)

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