Vaccine clinical trials at UCLA

The primary objective of the Phase 2 portion of the study is to characterize the clinical activity of maintenance therapy with GRT-C901/GRT-R902 (patient-specific vaccines) in combination with checkpoint inhibitors in addition to fluoropyrimidine/bevacizumab versus a fluoropyrimidine/bevacizumab alone as assessed by molecular response which is based on changes in circulating tumor (ct)DNA. The primary objective of the Phase 3 portion is to demonstrate clinical efficacy of the regimen as assessed by progression-free survival.

The primary objectives of this study are to: - estimate vaccine response in rocatinlimab group vs placebo group, assessed using antibody anti-tetanus response at Week 24 - estimate vaccine response in rocatinlimab group vs placebo group, assessed using antibody anti-meningococcal response at Week 24

The study is divided into 2 parts (Part A and Part B). Part A of the study will evaluate the safety and immune response to mRNA-1345 in high-risk adults aged ≥18 to <60 years. Part B of the study will evaluate the safety and immune response to mRNA-1345 in adults who received solid organ transplant (SOT).

This phase I trial tests the safety and side effects, and best dose of a vaccine (neoantigen-target ppDC) in treating patients with H3 G34-mutant diffuse hemispheric glioma. Vaccines made from the patient's own white blood cells and peptide-pulsed dendritic cells may help the body build an effective immune response to kill tumor cells. Giving neoantigen-targeted ppDC may be safe, tolerable and/or effective in treating patients with diffuse hemispheric glioma with a H3 G34 mutation.

This is a randomized, open label, adaptive platform trial to compare the effectiveness of antithrombotic and additional strategies for prevention of adverse outcomes in COVID-19 positive inpatients

This phase I trial studies the side effects and best dose of autologous dendritic cell-adenovirus CCL21 vaccine (CCL21-gene modified dendritic cell vaccine) combined with intravenous pembrolizumab, and to see how well they work in treating patients with stage IV non-small cell lung cancer. Vaccines made from a gene-modified virus may help the body build an effective immune response to kill tumor cells. Monoclonal antibodies, such as pembrolizumab, may interfere with the ability of tumor cells to grow and spread. Giving CCL21-gene modified dendritic cell vaccine with pembrolizumab may work better in treating patients with stage IV non-small cell lung cancer.

The main purpose of this study is to evaluate the most effective immunotherapy vaccine components in patients with malignant glioma. Teh investigators previous phase I study (IRB #03-04-053) already confirmed that this vaccine procedure is safe in patients with malignant brain tumors, and with an indication of extended survival in several patients. However, the previous trial design did not allow us to test which formulation of the vaccine was the most effective. This phase II study will attempt to dissect out which components are most effective together. Dendritic cells (DC) (cells which "present" or "show" cell identifiers to the immune system) isolated from the subject's own blood will be treated with tumor-cell lysate isolated from tumor tissue taken from the same subject during surgery. This pulsing (combining) of antigen-presenting and tumor lysate will be done to try to stimulate the immune system to recognize and destroy the patient's intracranial brain tumor. These pulsed DCs will then be injected back into the patient intradermally as a vaccine. The investigators will also utilize adjuvant imiquimod or poly ICLC (interstitial Cajal-like cell) in some treatment cohorts. It is thought that the host immune system might be taught to "recognize" the malignant brain tumor cells as "foreign" to the body by effectively presenting unique tumor antigens to the host immune cells (T-cells) in vivo.

Participants will be randomized in a 2:1 ratio to receive either two injections of CMV-MVA Triplex® or placebo administered at study Entry/Day 0 and week 4. Vaccine Group: 60 participants will receive CMV-MVA Triplex® containing 5 x 10^8 plaque-forming unit (pfu) ±0.5 x 10^8 pfu of MVA Vaccine Encoding CMV Antigens by intramuscular (IM) deltoid injections. Placebo Group: 30 participants will receive a volume of placebo (7.5% Lactose in phosphate-buffered saline [PBS]) that matches the volume of the active vaccine injection by IM deltoid injections.