- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03850522
PD-L1 Peptide Vaccination in High Risk Smoldering Multiple Myeloma
Phase IIa Trial of PD-L1 Peptide Vaccination as Monotherapy in High Risk Smoldering Multiple Myeloma
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Smoldering multiple myeloma is an asymptomatic disorder with an annual risk of 10% of progression to the incurable cancer multiple myeloma. While many patients live for many years without progression, high risk patients have a median risk of progression of 29 months. No therapy has been approved for this indication. New treatments with limited adverse events are in high demand for this unmet medical need. An effective peptide vaccine would represent an ideal candidate, since vaccines generally have very low levels of side effects.
This study will explore if vaccination against the immune checkpoint molecule PD-L1 leads to responses in patients with high risk smoldering myeloma. PD-L1 is thought to play a role in the rate of progression from smoldering myeloma to symptomatic myeloma. Targeting this pathway with little risk of adverse events would potentially prevent or delay progression to symptomatic myeloma.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Herlev, Denmark, 2730
- Department of Hematology, Universityhospital Herlev and Gentofte
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Patient has confirmed SMM according to a definition derived from the International Myeloma Working Group (IMWG) definition (International Working Group, 2003)
- Serum M-component >30g/L and/or
- Urine M-component ≥ 500mg/24 hours and/or
- ≥10% clonal plasma cells in bone marrow
- and no CRAB criteria or myeloma defining events (see exclusion criteria)
High risk of progression to symptomatic multiple myeloma defined by the presence of ≥ 2 of the risk factors below:
- Bone marrow Plasma Cells (BMPCs) ≥ 20%
- M-component > 2g/dL
- FLC ratio > 20
- Age ≥18 years
- Performance status ≤ 2 (ECOG-scale)
- Expected survival > 3 months
Sufficient liver function, i.e.
- ALAT < 2.5 upper normal limit, i.e. ALAT <112 U/l
- Bilirubin < 30 U/l
- Women agreement to use contraceptive methods with a failure rate of < 1% per year during the treatment period and for at least 120 days after the last treatment.
- For men: agreement to use contraceptive measures and agreement to refrain from donating sperm.
The accepted contraceptive methods are
- Combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation. Oral, intravaginal or transdermal.
- Progestogen-only hormonal contraception associated with inhibition of ovulation. Oral, injectable, implantable.
- Intrauterine device (IUD)
- Intrauterine hormone-releasing system (IUS)
- Bilateral tubal occlusion
- Vasectomized partner
- Sexual abstinence
Exclusion Criteria:
- Non-secretory myeloma
Patients fulfilling CRAB criteria:
i. C: Hypercalcemia,
1. s-Ca-ion >1,40 mmol/L, attributable to myeloma ii. R: Renal failure
- Estimated or measured creatinine clearance <40ml/min, attributable to myeloma
- Increased s-creatinine, attributable to myeloma
- Decrease in estimated or measured creatinine clearance <35% within a year, attributable to myeloma
- Renal biopsy-verified renal changes attributable to myeloma iii. A: Anemia, Hgb < 6,3mmol/L (10g/dl), attributable to myeloma iv. B: Bone lesions on X-ray, CT or PET-CT
- Evidence of myeloma defining events i. Clonal bone marrow plasma cell percentage ≥ 60% ii. Ratio of involved/uninvolved serum free light chain ratio ≥ 100 iii. >1 focal lesions on MRI studies, if clinically indicated
- Plasma cell leukemia
- Signs of amyloidosis
- Other malignancies in the medical history excluding basal cell carcinoma of the skin, squamous cell carcinoma of the skin or in situ cervical cancer and patients cured for another malignant disease with no sign of relapse two years after ended treatment.
- Significant medical condition per investigators judgement e.g. severe Asthma/COPD, poorly regulated heart condition, insulin dependent diabetes mellitus.
- Acute or chronic viral infection e.g. HIV, hepatitis or tuberculosis
- Serious known allergies or earlier anaphylactic reactions.
- Known sensibility towards Montanide ISA-51
- Any active autoimmune diseases e.g. autoimmune neutropenia, thrombocytopenia or hemolytic anemia, systemic lupus erythematosus, scleroderma, myasthenia gravis, autoimmune glomerulonephritis, autoimmune adrenal deficiency, autoimmune thyroiditis etc.
- Pregnant and breastfeeding women.
- Fertile women not using secure contraception with a failure rate less than < 1%
- Patients taking immune suppressive medications incl. corticosteroids and methotrexate at the time of enrollment
- Psychiatric disorders that per investigator judgment could influence compliance.
- Treatment with other experimental drugs
- Concurrent treatment with other anti-cancer drugs.
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 |
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Experimental: Vaccination
Vaccination with PD-L1 peptide
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PD-L1 peptide (100 micrograms) emulsified with the adjuvant Montanide ISA-51 given subcutaneously 10 times every second week over the course of 26 weeks including a five-week break.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall response rate
Time Frame: Planned analysis cut-off per patient: two weeks after last vaccination.
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Overall response rates (ORR) defined by IMWG criteria as PR+VGPR+CR+sCR during treatment and two weeks after end of treatment per patient.
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Planned analysis cut-off per patient: two weeks after last vaccination.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Immunogenicity of the PD-L1 vaccine
Time Frame: Samples taken before, during and two weeks after last vaccination.
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Blood, skin biopsies and bone marrow samples will be assessed with ELISPOT assays for levels of immune response to the vaccine.
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Samples taken before, during and two weeks after last vaccination.
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Incidence of Treatment Emergent Adverse Events
Time Frame: Planned analysis cut-off per patient: two weeks after last vaccination
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Safety analysis will be conducted using the Safety Population defined as any patient receiving one dose of study treatment.
For toxicity reporting, all adverse events and laboratory abnormalities will be graded and analyzed using CTCAE version 4 as appropriate.
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Planned analysis cut-off per patient: two weeks after last vaccination
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Progression-free survival (PFS)
Time Frame: Planned analysis 2 years and 5 years post initiation of therapy.
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PFS from diagnosis is defined as the time from diagnosis to the disease progression or death from any cause.
Patients who have not progressed or died are censored at the date last known progression-free.
This will be compared with published progression rates.
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Planned analysis 2 years and 5 years post initiation of therapy.
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Time to progression (TTP)
Time Frame: Planned analysis 2 years and 5 years post initiation of therapy.
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Time from diagnosis of SMM to progression to symptomatic myeloma compared to historical controls.
Progression is defined as biochemical or diagnostic progression in accordance with the 2014 IMWG criteria for diagnosis of multiple myeloma which includes the classic CRAB-criteria as well as: Clonal bone marrow plasma cell percentage ≥ 60%, Free light chain ratio ≥ 100 (Involved FLC level must be ≥ 100mg/L),> 1 focal lesion on MRI studies (at least 5 mm in size)
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Planned analysis 2 years and 5 years post initiation of therapy.
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Overall survival (OS)
Time Frame: Planned analysis 2 years and 5 years post initiation of therapy.
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OS from diagnosis is defined as the time from diagnosis to the death of the patient.
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Planned analysis 2 years and 5 years post initiation of therapy.
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Quality of Life (QoL)
Time Frame: Baseline and up to two weeks after last vaccination
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measured by change in European Organization for Research and Treatment of Cancer (EORTC) QLQ-30.
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Baseline and up to two weeks after last vaccination
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Quality of Life (QoL)
Time Frame: Baseline and up to two weeks after last vaccination
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measured by change in EuroQoL 5D-5-Level (EQ-5D-5L).
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Baseline and up to two weeks after last vaccination
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Quality of Life (QoL)
Time Frame: Baseline and up to two weeks after last vaccination
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measured by change in and Hospital Anxiety and Depression Scale (HADS).
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Baseline and up to two weeks after last vaccination
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Nicolai Jørgensen, MD, Department of Hematology
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
Keywords
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
- Paraproteinemias
- Blood Protein Disorders
- Precancerous Conditions
- Hypergammaglobulinemia
- Multiple Myeloma
- Neoplasms, Plasma Cell
- Smoldering Multiple Myeloma
Other Study ID Numbers
- MY18H2
- 2018-003990-93 (EudraCT Number)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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.
Clinical Trials on Smoldering Multiple Myeloma
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