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Phase 3 Randomized, Double-blind, Controlled Study of ICT-107 in Glioblastoma

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ClinicalTrials.gov Identifier: NCT02546102
Recruitment Status : Suspended (Company at this time unable to secure sufficient financial resources to complete)
First Posted : September 10, 2015
Last Update Posted : August 13, 2018
Sponsor:
Collaborator:
Novella Clinical
Information provided by (Responsible Party):
Precision Life Sciences Group

Study Description
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Brief Summary:
ICT-107 consists of dendritic cells, prepared from autologous mononuclear cells that are pulsed with six synthetic peptides that were derived from tumor associated antigens (TAA) present on glioblastoma tumor cells. This is a Phase 3 study to evaluate ICT-107 in patients with newly diagnosed glioblastoma. Subjects will be randomized to receive standard of care chemoradiation (temozolomide (TMZ) with either ICT-107 or a blinded control. Reinfusion with the pulsed dendritic cells should stimulate cytotoxic T cells to specifically target glioblastoma tumour cells.

Condition or disease Intervention/treatment Phase
Glioblastoma Multiforme Biological: ICT-107 Biological: Placebo Phase 3

Detailed Description:

This is a double blind Phase III study where eligible subjects are randomized into two treatment arms following the SOC primary treatment with chemoradiation: Arm 1 will receive ICT-107 in combination with the standard of care, temozolomide (TMZ), Arm 2 will receive TMZ with a blinded control. A 1:1 randomization will be employed, where ARM 1 will receive ICT-107 and Arm 2 will receive placebo control. All subjects must be HLA-A2+. All subjects must have glioblastoma tissue that has tumor assessment for MGMT methylation status prior to randomization (for stratification). Subjects will have had tumor resection and magnetic resonance imaging (MRI) prior to enrollment into the study. After signing of written informed consent and any required privacy compliance forms and screening, enrolled subjects will undergo large volume apheresis at the study site for collection of PBMCs. Apheresis product will be sent to the manufacturing site where both active therapy (ICT-107) and control will be prepared for each subject prior to randomization The study period consists of 4 time periods; a 6-week Post-Surgery Standard of Care Treatment Phase where subjects receive radiotherapy and TMZ; TMZ and radiation to be initiated no more than 8 weeks after surgical resection of glioblastoma; a Rest Period of no more than 14 days where subjects are reassessed for eligibility, and then randomized; a 4 week Induction Phase where study therapy (ICT-107 or Control) is given weekly; followed by a Maintenance Phase where study therapy is given monthly for 11 months, and then every 6 months until either progression, withdrawal from the study, death, or the supply of autologous study therapy is exhausted. Randomized subjects will receive 4 weekly administrations of subject-specific study therapy (ICT-107 or Control) during the Induction Phase. No TMZ will be given during the 4 week Induction Phase. Each study therapy injection will be delivered intradermally (axilla).

The Maintenance Phase will consist of administration of subject-specific study therapy monthly for 11 months after the Induction Phase (for a total of 15 injections over 12 months during the Induction and Maintenance Phases), and then every 6 mos. thereafter until depletion or confirmation of progressive disease (PD). During the Maintenance Phase (where ICT-107 or control are given monthly), the administration of TMZ and subject specific study therapy or control will be separated in time by approximately 2 weeks (see Section 9.1.4). Pre-treatment, treatment and assessment schedules will be the same for all subjects.

Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 414 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: A Phase 3 Randomized Double-blind, Controlled Study of ICT-107 With Maintenance Temozolomide (TMZ) in Newly Diagnosed Glioblastoma Following Resection and Concomitant TMZ Chemoradiotherapy
Study Start Date : December 2015
Estimated Primary Completion Date : December 2019
Estimated Study Completion Date : December 2021

Resource links provided by the National Library of Medicine


Arms and Interventions
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Arm Intervention/treatment
Experimental: 1
Arm 1 will receive ICT-107 in combination with the standard of care, temozolomide (TMZ). ICT-107 will be given once a week for 4 weeks in the induction phase. During the maintenance phase, ICT-107 will be given monthly for the 11 months after induction and once every 6 months thereafter until depletion of supply or confirmation of progressive disease (PD). Administration is intradermal in axilla.
 Biological: ICT-107
Autologous dendritic cells pulsed with peptides associated with tumor antigens
Placebo Comparator: 2
Arm 2 will receive TMZ with a blinded control. Control will be given once a week for 4 weeks in the induction phase. During the maintenance phase, Control will be given monthly for the 11 months after induction and once every 6 months thereafter until depletion of supply or confirmation of progressive disease (PD). Administration is intradermal in axilla.
 Biological: Placebo


Outcome Measures
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Primary Outcome Measures :
  1. Overall survival [ Time Frame: 46 months ]
    Overall survival (OS) of subjects treated with ICT-107 and standard of care (radiation (RT) and TMZ) vs. placebo control and standard of care (RT and TMZ)


Secondary Outcome Measures :
  1. Overall survival in patients with unmethylated MGMT tumors [ Time Frame: 46 months ]
    OS of subjects with unmethylated MGMT (O6-methylguanine-DNA methyltransferase) tumors treated with ICT-107 and standard of care vs. control and standard of care

  2. Overall survival in patients with methylated MGMT (O6-methylguanine-DNA methyltransferase) tumors [ Time Frame: 46 months ]
    OS of subjects with methylated MGMT tumors treated with ICT-107 and standard of care vs. control and standard of care.

  3. Progression-free survival [ Time Frame: 46 months ]
    Progression-free survival (PFS) of subjects treated with ICT-107 and standard of care vs. control and standard of care

  4. Type and frequency of treatment emergent adverse events [ Time Frame: 46 months ]
    Compare the type and frequency of treatment emergent adverse events of ICT-107 vs. control treatment groups


Eligibility Criteria
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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  1. Subjects must understand and sign the study specific informed consent
  2. Subjects must be in primary remission
  3. Subjects should have < 1 cm3 disease by MRI within the previous 4 weeks (by central read)
  4. Subjects must be HLA-A2 positive by central lab

  5. Subjects must have adequate renal, hepatic and bone marrow function based on screening laboratory assessments. Baseline hematologic studies and chemistry and coagulation profiles must meet the following criteria:

    1. Hemoglobin (Hgb) > 8 g/dL
    2. Absolute Neutrophil Count (ANC) > 1000/mm3
    3. Platelet count > 100,000/mm3
    4. Blood Urea Nitrogen (BUN) < 30 mg/dL
    5. Creatinine < 2 mg/dL
    6. Alkaline Phosphatase (ALP), Aspartate Aminotransferase (AST) and Alanine Aminotransferase (ALT) < 2 x upper limit of normal (ULN)
    7. Prothrombin Time (PT) and activated partial thromboplastin time (PTT) ≤ 1.6x unless therapeutically warranted
  6. Subjects must use effective contraceptive methods during the study and for three months following the last dose of study product, if of reproductive age and still retain fertility potential.
  7. Subjects must have at least one positive DTH skin response (more than 5 mm) to test item challenge prior to randomization.

Exclusion Criteria:

  1. Subjects receiving investigational study drug for any indication or immunological-based treatment for any reason (Filgrastim may be used for prevention of severe neutropenia).
  2. Subjects with glioblastoma mutated IDH by Immunohistochemistry (IHC)
  3. Subjects with concurrent conditions that would jeopardize the safety of the subject or compliance with the protocol.
  4. Subjects with a history of chronic or acute hepatitis C or B infection.
  5. Subjects require or are likely to require more than a 2-week course of corticosteroids for intercurrent illness. Subjects must have completed the course of corticosteroids at the time of apheresis to meet eligibility.
  6. Subjects have any acute infection that requires specific therapy. Acute therapy must have been completed within seven days prior to study enrollment.
  7. Subjects with active other malignancy diagnosed in the past 3 years (excepting in situ tumors)
  8. Subjects known to be pregnant or nursing.
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02546102


Locations
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Sponsors and Collaborators
Precision Life Sciences Group
Novella Clinical
More Information
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Publications of Results:

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Responsible Party: Precision Life Sciences Group
ClinicalTrials.gov Identifier: NCT02546102    
Other Study ID Numbers: ICT-107-301
First Posted: September 10, 2015    Key Record Dates
Last Update Posted: August 13, 2018
Last Verified: August 2018
Additional relevant MeSH terms:
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Glioblastoma
Astrocytoma
Glioma
Neoplasms, Neuroepithelial
Neuroectodermal Tumors
 Neoplasms, Germ Cell and Embryonal
Neoplasms by Histologic Type
Neoplasms
Neoplasms, Glandular and Epithelial
Neoplasms, Nerve Tissue