- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03750071
VXM01 Plus Avelumab Combination Study in Progressive Glioblastoma
An Open-label, Phase I/II Multicenter Clinical Trial of VXM01 in Combination With Avelumab in Patients With Progressive Glioblastoma Following Standard Treatment, With or Without Second Surgery
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The trial is conducted as a multicenter, open-label, Phase I/II trial to evaluate the efficacy and safety of VXM01 in combination with avelumab in subjects with resectable and non-resectable progressive glioblastoma following tumor resection and radiochemotherapy containing temozolomide.
The trial will be performed in 30 subjects with progressive glioblastoma:
- 24 subjects who will not be candidates for a tumor re-operation (non-resectable subjects)
- 6 subjects who will be candidates for a tumor re-operation (resectable subjects) The trial, for each subject, will consist of a screening period, a treatment and observatioon phase of 60 weeks including, a treatment phase of up to 48 weeks with prime and boosting administrations of VXM01 in combination with avelumab and an observation phase of 12 weeks and with an end of trial visit at Week 60.
Subjects will receive VXM01 in combination with avelumab up to Week 48. The end of study (EoS) visit assessments will be performed Week 60.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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Heidelberg, Germany, 69120
- Neurology Clinic and National Center for Tumor Diseases
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Mannheim, Germany, 68167
- Neurology Clinic
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subjects who are able to understand and follow instructions during the trial
- Ability and willingness to give written informed consent, signed and dated
- Male or female subjects. Female subjects must be post-menopausal for at least 2 years or surgically sterile
- Age ≥18 years
- Histologically diagnosed intracranial supratentorial malignant glioma (glioblastoma WHO Grade IV)
Evidence of tumor progression by RANO criteria following at least one prior therapy regimen that must have contained radiation and chemotherapy with temozolomide, as measured by MRI
- Radiotherapy must have been completed at least 3 months prior to the inclusion visit
Candidates for a tumor reoperation (for the resectable arm [n=6] only)
- Neurosurgical intervention should be postponable for 30 days
- Adequate bone marrow function including: Absolute neutrophil count (ANC) ≥1,500/mm3 or ≥1.5 x 109/L; Platelets ≥ 100,000/mm3 or ≥100 x 109/L; Hemoglobin ≥ 9 g/dL (may have been transfused); INR <1.5x ULN. Subjects with documented benign cyclical neutropenia are allowed if WBC count is ≥ 1.5 × 109/L with absolute neutrophil count ≥ 1.0 × 109/L and appropriate hematology parameters: leukocytes ≥4.0 x 109 / L, lymphocytes ≥0.6 x 109/L
- Adequate hepatic function defined by a total bilirubin level ≤ 1.5 × the upper limit of normal range (ULN), an aspartate aminotransferase (AST), level ≤ 2.5 × ULN, and an alanine aminotransferase (ALT) level ≤ 2.5 × ULN or, for subjects with documented metastatic disease to the liver, AST and ALT levels ≤ 5 × ULN. Subjects with documented Gilbert disease are allowed if total bilirubin ≤ 3 x ULN
- Adequate renal function defined by an estimated creatinine clearance ≥ 30 mL/min according to the Cockcroft-Gault formula
- Patients must be able to undergo MRI
- Absence of active bacterial infection requiring antibiotic treatment
- Karnofsky performance status ≥70
- Primary tumor samples available for pathology review, central detection of T-cell responses in the peripheral blood and in the tumor tissue
- No medical or social conditions that may interfere with trial outcome and follow-up
Exclusion Criteria:
Cardiovascular disease defined as:
- Uncontrolled hypertension (systolic blood pressure >160 mmHg or diastolic blood pressure >100 mmHg)
- Arterial thromboembolic event within 6 months before trial entry, including:
i. Myocardial infarction ii. Unstable angina pectoris iii. Cerebrovascular accident iv. Transient ischemic attack
- Congestive heart failure New York Heart Association grade III to IV
- Serious ventricular arrhythmia requiring medication and arrhythmias requiring Implantable Cardioverter Defibrillator (ICDs)
- Clinically significant peripheral artery disease > grade 2b according to Fontaine
- History of intracranial hemorrhage
- Hemoptysis within 6 months before trial entry
- Known oesophageal varices
- Upper or lower gastrointestinal bleeding within 6 months before inclusion (Day 0)
- Significant traumatic injury or surgery within 4 weeks before trial entry
- Non-healing wound, incomplete wound healing, bone fracture or gastrointestinal ulcers within three years before inclusion, or positive gastroscopy within 3 months before inclusion
- Gastrointestinal fistula
- Thrombolysis therapy within 4 weeks before trial entry
- History of other disease, metabolic dysfunction, physical examination finding, or clinical laboratory finding that based on the investigator's judgement provides a reasonable suspicion of a disease or condition that contraindicates the use of an investigational drug or that might affect the interpretation of the trial results or render the patient at high risk for treatment complications
- Previous malignant disease (other than the tumor disease for this trial) within the last 5 years (except adequately treated non-melanoma skin cancers, carcinoma in situ of skin, bladder, cervix, colon/rectum, breast, or prostate) unless a complete remission without further recurrence was achieved at least 2 years prior to trial entry and the subject was deemed to have been cured with no additional therapy required or anticipated to be required
- Prior organ transplantation, including allogeneic stem cell transplantation
Active autoimmune disease that might deteriorate when receiving an immunostimulatory agent:
- Subjects with diabetes type I, vitiligo, psoriasis, hypo- or hyperthyroid disease not requiring immunosuppressive treatment are eligible
- Administration of steroids through a route known to result in a minimal systemic exposure (topical, intranasal, intro-ocular, or inhalation) are acceptable
- History of uncontrolled intercurrent illness including but not limited to uncontrolled diabetes (e.g., hemoglobin A1c ≥ 8%)
- Known prior hypersensitivity to investigational product or any component in its formulations or any other drug scheduled or likely to be given during the trial, including known severe hypersensitivity reactions to monoclonal antibodies (NCI CTCAE v5.0 Grade ≥ 3)
- Persisting toxicity related to prior therapy (NCI CTCAE v5.0 Grade > 1); however, alopecia, sensory neuropathy Grade ≤ 2, or other Grade ≤ 2 AEs not constituting a safety risk based on investigator's judgment are acceptable
- Other severe acute or chronic medical conditions including immune colitis, inflammatory bowel disease, immune pneumonitis, pulmonary fibrosis or psychiatric conditions including recent (within the past year) or active suicidal ideation or behavior, or laboratory abnormalities that may increase the Risk associated with trial participation or trial treatment administration or may interfere with the interpretation of trial results and, in the judgment of the investigator, would make the patient inappropriate for entry into this trial
- Active infection requiring systemic therapy
- Known history of human immunodeficiency virus (HIV) or known acquired immunodeficiency syndrome or multi-drug resistant gram-negative bacteria
- Hepatitis B virus (HBV) or hepatitis C virus (HCV) infection at screening (positive HBV surface antigen or HCV RNA if anti-HCV antibody screening test positive)
- Women of childbearing potential
- History of serious ophthalmological diseases, e.g. optic neuropathy, retinal detachment, uveitis Prior and concomitant medication
- Treatment in any other clinical trial within 30 days or within 5 half lives of any prior treatment, before screening
- Any other condition or treatment that, in the opinion of the investigator, might interfere with the trial or current drug or substance abuse
Chronic concurrent therapy within 2 weeks before and during the treatment period with:
- Corticosteroids (except steroids up to equivalent of dexamethasone 4 mg daily dose)
- Immunosuppressive agents
- Antibiotics
- Bevacizumab or any other anti-angiogenic treatment
- Any other anti-cancer therapy or concurrent anticancer treatment, for example, cytoreductive therapy, radiotherapy [with the exception of palliative short course, limited field (ie, ≤ 10 fractions and ≤ 30% bone marrow involvement or per institutional standard) radiotherapy, which may be administered during the study. However dosing must be suspended at least 14 days prior to the start of radiotherapy and must not be resumed until at least 14 days after the last radiotherapy fraction], immune therapy, or cytokine therapy, except for erythropoietin
- Administration of live vaccines (other than VXM01) within 30 days prior to study treatment Other
- Vaccination within 4 weeks of the first dose of avelumab and while on trials is prohibited except for administration of inactivated vaccines (other than VXM01)
- Inability to understand the protocol requirements, instructions and trial-related restrictions, the nature, scope, and possible consequences of the trial
- Unlikely to comply with the protocol requirements, instructions and trial-related restrictions; e.g., uncooperative attitude, inability to return for follow-up visits, and improbability of completing the trial
- Legal incapacity or limited legal capacity
- Any condition which results in an undue risk for the patient during the trial participation according to the investigator
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: VXM01/Avelumab
Combination of VXM01, Ty21a transformed with a eukaryotic expression cassette encoding VEGFR-2, and anti-PD-L1 Checkpoint Inhibitor Avelumab
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Ty21a transformed with a eukaryotic VEGFR-2 Expression Plasmid
Other Names:
Monoclonal anti-PD-L1 Antibody
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Treatment-emerging adverse events (safety and tolerability of VXM01 in combination with avelumab)
Time Frame: Up to 60 weeks after first IMP administration
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AEs listed together with information on onset, duration, severity, seriousness, relationship to the study drug, relationship to chemotherapy and to the underlying disease, outcome, and action taken.
Frequency tables by System Organ Class and preferred term.
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Up to 60 weeks after first IMP administration
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Clinical response as assessed by time to progression (TTP)
Time Frame: Up to 60 weeks after first IMP administration
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TTP is defined from the day of trial entry to the day of local tumor progression based on MRI (in days)
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Up to 60 weeks after first IMP administration
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Clinical response as assessed by progression free survival (PFS)
Time Frame: Up to 60 weeks after first IMP administration
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PFS is defined from the day of trial entry to the day of local tumor progression or recurrence after reoperation, based on MRI, or further positive biopsy, or the day of death of any cause.
Subjects free of progression/recurrence will be censored at the day of last tumor assessment (in days)
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Up to 60 weeks after first IMP administration
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Clinical response as assessed by recurrence-free survival after re-operation (RFS)
Time Frame: Up to 60 weeks after first IMP administration
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RFS is defined from the day of trial entry to the day of recurrence after reoperation, based on MRI (in days)
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Up to 60 weeks after first IMP administration
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Clinical response as assessed by Overall Survival (OS)
Time Frame: Up to 60 weeks after first IMP administration
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OSOS will be defined by death of any cause and subjects alive at trial end will be censored at last contact day (in days)
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Up to 60 weeks after first IMP administration
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Best overall response (OR) on MRI according to iRANO in subjects with or without surgery prior to trial entry (up to re-operation)
Time Frame: Up to 60 weeks after first IMP administration
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The proportion of subjects with OR will be estimated together with 95% confidence intervals constructed using the binomial Distribution (in %)
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Up to 60 weeks after first IMP administration
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Duration of Response (DoR) on MRI according to iRANO in subjects with or without surgery prior to trial entry (up to re-operation)
Time Frame: Up to 60 weeks after first IMP administration
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The DoR on MRI according to iRANO will be summarized descriptively for the two subgroups and illustrated using a Kaplan-Meier plot
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Up to 60 weeks after first IMP administration
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Wolfgang Wick, MD, University Clinics Heidelberg
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
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
Other Study ID Numbers
- VXM01-AVE-04-INT
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
product manufactured in and exported from the U.S.
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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