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This Phase I clinical trial will evaluate the safety, tolerability, immunogenicity, and preliminary efficacy of 8 mg ITI-1001 in participants with newly diagnosed glioblastoma (GBM).
Full description
This Phase I study will evaluate the safety and immunogenicity of 8 mg ITI-1001 DNA vaccine based on safety, immune activation and preliminary assessment of therapeutic benefit of 2 priming vaccinations given in the 4-6 weeks period between definitive surgical resection and initiation of SOC chemoradiation followed by 2 post-chemoradiation priming vaccinations (#3 and #4) and 5 ITI-1001 vaccine boosters given in parallel with maintenance TMZ as per Schedule of Assessments.
The study duration will be approximately 24 months for individual patients, excluding screening and surgery.
ITI-1001 vaccinations will be given in combination with Td toxoid.
8mg of ITI-1001 DNA vaccine will be administered via IM injection with electroporation up to 9 times using the TDS-IM v2.0 Device according to the device manufacturer's instructions and according to the Schedule of Assessments.
Enrollment
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Inclusion criteria
Newly diagnosed patients with histopathological diagnosis of WHO grade IV glioma (GBM).
Age ≥ 18 years.
Patient must have undergone a gross/near-gross total surgical resection of tumor by analysis of residual enhancing tumor remnant on the immediate post-operative MRI (within 72 hours after surgery) as defined by ≤ 3 cm2 residual enhancing tumor longest perpendicular planes by MRI.
Planned standard adjuvant chemoradiation (SOC RT + TMZ for 6 weeks).
Karnofsky performance status ≥ 70.
Life expectancy ≥ 3 months.
All patients must be able to understand and be willing to sign written informed consent and aware of the investigational nature of the study.
Patient has adequate renal function (creatinine ≤ 1.5 times the upper limit of normal [ULN]) or a glomerular filtration rate (GFR) of ≥ 50 mL/min/1.73 m2).
Patient has adequate hepatic function, as evidenced by a total bilirubin ≤1.5 times the ULN, aspartate transaminase (AST), and /or alanine transaminase (ALT) ≤3 times the ULN.
Patient has adequate bone marrow function, as evidenced by hemoglobin ≥ 9.0 g/dL in the absence of transfusion within the 72 hours prior to the screening visit, platelet count ≥ 100×109cells/L, and absolute neutrophil count (ANC) ≥ 1.5×109 cells/L.
Patient and his/her partner agree to use adequate contraception after providing written informed consent through 3 months after the last investigational product dose, as follows:
Patient is willing to participate in the study and comply with all study requirements.
Exclusion criteria
Participation in another therapeutic clinical trial.
Implantable electronic device.
Pregnant or breast feeding.
Tumor location or tumor primarily located in spinal cord or brain stem, multi-focal disease, or significant leptomeningeal disease.
Evidence of significantly increased intracranial pressure (midline shift > 5mm, clinically significant papilledema, vomiting and nausea or reduced level of consciousness).
Known history of AIDS/HIV. Testing is not required.
Patient has a history of other malignancy treated with curative intent within the previous 3 years with the exception of adequately treated non-melanoma skin cancer or carcinoma in situ of the cervix. Patients with previous invasive cancers are eligible if the treatment was completed more than 3 years prior to initiating current study treatment, and there is no evidence of recurrent disease.
Patient has an important medical illness or abnormal laboratory finding that, in the Investigator's opinion, would increase the risk of participating in this study.
History of unstable cardiac arrhythmia or palpitations [e.g., supraventricular tachycardia, atrial fibrillation, frequent ectopy, or sinus bradycardia (i.e., <50 beats per minute on exam)] prior to study entry. Sinus arrhythmia is not excluded.
Any chronic or active neurologic disorder that in the opinion of the Investigator would compromise the patient participation and/or integrity of the study. Patients with seizures due to recent onset of GBM that are medically controlled are eligible.
Syncopal episode within 12 months of screening.
Presence of any surgical or traumatic metal implants at the site of administration (medial deltoid or vastus lateralis muscles or overlying skin) or conditions incompatible with electroporation per instruction manual of the TriGrid TDS-IM V2.
Patients requiring dexamethasone within 7 days before first priming vaccination of ITI-1001.
Contraindication to IM injections or blood draws.
Less than 2 acceptable potential injection sites for IM injection and electroporation considering the left and right medial deltoid, and anterolateral quadriceps muscles. A site for injection and electroporation is not acceptable if there is inadequate muscle mass to support at least a 19 mm/0.75 inch injection depth or a skinfold thickness measurement of ≥50 mm/1.97 inch as assessed using the provided caliper. Eligible injection sites must also be free from tattoos, hypertrophic skin patches, keloids or other skin conditions which could interfere with the administration procedure or subsequent assessment of local reactogenicity.
Note: To ensure adequate muscle mass for administrations, for participants with a weight ≤65 kg, potentially eligible administration sites are confined to the outer aspect of the upper thigh (left or right vastus lateralis muscle) (i.e,, the left and right medial deltoid are not eligible administration sites).
Any condition that, in the Investigator's opinion, would render the patient unable to comply with the study procedures and requirements.
Primary purpose
Allocation
Interventional model
Masking
10 participants in 1 patient group
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Central trial contact
Joseph Mauceri
Data sourced from clinicaltrials.gov
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