Cancer Clinical Trial - Immunotherapy Based on Antigen-specific Immune

Status Recruiting

Clinical Trial Summary

The primary objective of this study is to verify the safety of antigen-specific T cells (CAR-T) and engineered immune effector cytotoxic T cells (EIE) modified by immunoregulatory genes and immune modified dendritic cell vaccine (DCvac) in the treatment of neurofibromatosis or schwannoma.

Clinical Trial Description

Neurofibromatosis (NF) is caused by a genetic change that tends to develop benign tumors around nerves. NF is a lifelong condition that affects all populations equally, regardless of gender or ethnicity. Neurofibromatosis has been classified into three distinct types: NF1, NF2, and schwannomatosis. The hallmark tumors seen in NF2 are vestibular schwannomas, formerly known as acoustic neuromas. Vestibular schwannomas are benign tumors made up of abnormal Schwann cells, which are the cells that give the nerves the lining and insulation needed to conduct information. Vestibular schwannomas can cause hearing loss in one or both ears, depending on whether the tumors are unilateral or bilateral.

Schwannomatosis is the same type of tumor as that of NF2 patients. Tumors are all related to Schwann cells. There is no cure for NF or schwannomatosis. Surgery is the only clinical method at present, and no drugs have been proved to be effective in the treatment of these tumors.

Adoptive immunotherapy based on cytotoxic T lymphocytes reactive with specific antigens has proven to be effective. In vitro induction of tumor antigen-specific immune cells and engineering of target specific immune cells have great potential for cancer eradication. If CAR-T/CTL immunotherapy is effective, it is expected that Neurofibromatosis or Schwannomatosis tumors should shrink or disappear completely. However, the minimal residual tumor cells or cancer stem cells may exist and cause relapse to other tissues and organs. Follow-up immunotherapy must focus on enhancing the anti-tumor immunity. Therefore, this protocol includes follow-up application of DCvac to prevent recurrence. This study proposes a novel protocol of immunotherapy to evaluate the safety and effectiveness of targeting tumor antigens in patients. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04085159
Study type	Interventional
Source	Shenzhen Geno-Immune Medical Institute
Contact	Lung-Ji Chang, PhD
Phone	86-075586725195
Email	c@szgimi.org
Status	Recruiting
Phase	Phase 1/Phase 2
Start date	September 1, 2019
Completion date	December 31, 2022

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Immunotherapy Based on Antigen-specific Immune Effector Cells Targeting Neurofibromatosis or Schwannomatosis

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms