- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03591614
Dendritic Cell DKK1 Vaccine for Monoclonal Gammopathy and Stable or Smoldering Myeloma
A Pilot Study of Dendritic Cell DKK1 Vaccine for Patients With Monoclonal Gammopathy and Stable or Smoldering Myeloma
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The overall objective of this pilot study is to determine the safety and preliminary efficacy of a dendritic cell DKK1 vaccine in view of possible future use as a strategy to prevent progression of asymptomatic plasma cell disorders, maintain disease control, and ultimately contribute to eradication of multiple myeloma, light and heavy chain amyloidosis, immunoglobulin deposition disease, and other malignant and non-malignant diseases related to transformed plasma cells.
Primary Objective Confirm the safety of dendritic cell DKK1 vaccine given every two weeks for three doses in patients with monoclonal gammopathy, stable or smoldering myeloma.
Secondary Objectives
- Assess response according to international response criteria (> partial response, PR) and clinical benefit response (>minor response, MR, according to adapted EBMT criteria)
- Determine time to progression
- Describe progression-free and overall survival
Correlative Objectives
- Explore correlation between myeloma DKK1 and PDL-1 expression and response
- Determine cellular immune response
- Assess serologic anti-DKK1 antibody response
Study design including dose escalation / cohorts Pilot study with 3 patient safety run-in, possible dose level -1 (DL-1) if dose limiting toxicity occurs in one or more patients at the target dose level, and, at the first dose level where no dose limiting toxicity occurs, extension by 12 patients.
DLT will be defined as any vaccine related toxicity > grade 3 that does not resolve to grade < 2 within 7 days. If any DLT occurs at DL-1 enrollment will be stopped and an amendment will be discussed.
Study Type
Phase
- Early Phase 1
Contacts and Locations
Study Locations
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Ohio
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Cleveland, Ohio, United States, 44106
- University Hospitals Cleveland Medical Center, Seidman Cancer Center, Case Comprehensive Cancer Center
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Cleveland, Ohio, United States, 44195
- Cleveland Clinic, Case Comprehensive Cancer Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- At any time prior to enrollment subjects must have IgG, IgA, kappa, or lambda monoclonal gammopathy confirmed in at least two assessments at least three months apart or histologically confirmed multiple myeloma or carry a diagnosis of smoldering myeloma based on prior documentation of serum m-spike (IgG or IgA) of at least 3g/dL serum m-spike (IgG or IgA) or 24h urine m-spike of at least 500mg/24h.
- Within 28 days prior to enrollment persistence of the clonal plasma cell disorder must be documented by presence of a clonal band on immunofixation of blood or urine or an abnormal serum free kappa/lambda ratio.
- Subjects with myeloma related organ dysfunction must have received prior therapy, reached at least partial remission with at least one of any number of prior regimens, and be candidates for observation off myeloma therapy based on lack of progression at least stable disease for at least 90 days prior to at study entry.
- Performance status ECOG performance status ≤ 2.
Subjects must have laboratory test results within the following ranges:
- Hemoglobin ≥ 9.0 g/dl
- Absolute neutrophil count ≥ 1,500/mcL
- Platelet count ≥ 100,000/mcL
- Total bilirubin < 2.5 x institutional upper limit of normal
- AST (SGOT) ≤ 2.5 X institutional upper limit of normal
- ALT (SGPT) ≤ 2.5 X institutional upper limit of normal
- Calculated creatinine clearance (Cockcroft-Gault) ≥ 30ml/min
- Anti-myeloma treatment with proteasome inhibitors, IMiDsTM, corticosteroids, low dose cyclophosphamide (≤ 50mg per day) must have been discontinued at least 14 days prior to study entry. Conventional chemotherapy at conventional doses including cyclophosphamide at > 50mg per day must have been discontinued at least 28 days prior to study entry. At least 180 days must have passed since high dose chemotherapy used in the context of autologous stem cell transplantation. Prior radiation must have been completed at least 14 days prior to enrollment.
- Subjects must have the ability to understand and the willingness to sign a written informed consent document.
Exclusion Criteria:
- Subjects receiving any other investigational agents.
- Concurrent use of any plasma cell directed therapy including corticosteroids (use of bisphosphonates is allowed).
- Subjects who have previously received an allogeneic stem cell transplant.
- Subjects with uncontrolled intercurrent illness including, but not limited to ongoing or active infection (including active HIV or hepatitis), symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
- Women with childbearing potential (last menstrual period within less than 24 months unless hysterectomy or bilateral oophorectomy has been performed since) as well as pregnant women are excluded from this study because DKK1 is expressed in placental tissue and a DKK1 immune response could harm the child. Breastfeeding women are excluded from this study because antibodies made in response to the dendritic cell DKK1 vaccine could enter milk and affect the health of the breastfed child.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Dendritic cell DKK1 vaccine
5-10x106 DKK1 loaded dendritic cells.
Three doses will be given two weeks apart, followed by 11 months of observations.
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The investigational agent is a DKK1 peptide-loaded autologous dendritic cell vaccine dispensed at a dose of 5-10x106 in 0.5 mL Plasma-Lyte A + 5% HSA.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of patients with dose limiting toxicity
Time Frame: Up to 1 year
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Toxicity will be assessed according to CTCAE v.4.03.
Patients will have weekly CBC w.
Differential, CMP, history, and physical.
DLT will be defined as any vaccine related non-hematologic toxicity, neutropenia, anemia or thrombocytopenia > grade 3 that does not resolve to grade < 2 within 7 days.
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Up to 1 year
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Average time of progression-free survival
Time Frame: Up to 1 year
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Progression-free survival will be measured from administration of the first vaccine dose to progression as defined by updated uniform international response criteria or death of any cause, whichever comes first.
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Up to 1 year
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Average time of overall survival
Time Frame: Up to 1 year
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Overall survival will be measured from administration of the first vaccine dose to death from any cause.
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Up to 1 year
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Average time to progression
Time Frame: Up to 1 year
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Time to progression will be measured from administration of the first vaccine dose to progression as defined by updated uniform international response criteria
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Up to 1 year
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Best overall response
Time Frame: Up to 1 year
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Response will be evaluated according to updated uniform response criteria
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Up to 1 year
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Clinical Benefit Response
Time Frame: Up to 1 year
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Response will be evaluated according to updated uniform response criteria
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Up to 1 year
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Ehsan Malek, MD, University Hospitals Seidman Cancer Center, Case Comprehensive Cancer Center
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Immunoproliferative Disorders
- Hematologic Diseases
- Hemorrhagic Disorders
- Hemostatic Disorders
- Blood Protein Disorders
- Precancerous Conditions
- Hypergammaglobulinemia
- Multiple Myeloma
- Neoplasms, Plasma Cell
- Smoldering Multiple Myeloma
- Paraproteinemias
- Monoclonal Gammopathy of Undetermined Significance
Other Study ID Numbers
- CASE1A16
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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