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Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
Published on: January 7, 2019
A quantitative analysis of therapeutic cancer vaccines in phase 2 or phase 3 trial
Amabel Cl Tan1, Anne Goubier2, Holbrook E Kohrt3
1Peter Doherty Institute for Infection and Immunity, Department of Microbiology and Immunology, The University of Melbourne, Melbourne, Australia ; PX Biosolutions, Melbourne, Victoria 3205 Australia.
Abstract:
Despite the progress that has been made in other forms of cancer therapy, Provenge® (Sipuleucel-T) is the only FDA-approved vaccine for the treatment of cancer. To understand the current landscape of therapeutic oncology vaccines we performed a quantitative analysis of phase 2 and phase 3 therapeutic cancer vaccine trials. We highlight shifts in trends for the vaccine platforms examined, common adjuvant use, target indications, antibody or treatment combinations between past and recent trials as well as discuss the relationship between these trends and ratio between the number of phase 3: phase 2 for different vaccine platforms. Despite the poor success rate in vaccine approvals, registration of phase 3 trials between 2010 and 2014 were stable indicating continued investment and efforts towards development of immunotherapeutic vaccines.
Insights
Provenge® (Sipuleucel-T) is the sole FDA-approved cancer vaccine. Analysis of therapeutic cancer vaccine trials reveals stable Phase 3 registrations from 2010-2014, indicating continued investment in immunotherapies despite low approval rates.
Area of Science:
- Oncology
- Immunotherapy
- Vaccinology
Background:
- Provenge® (Sipuleucel-T) is the only FDA-approved therapeutic cancer vaccine.
- Significant advancements in other cancer therapies contrast with limited vaccine approvals.
Purpose of the Study:
- To quantitatively analyze Phase 2 and Phase 3 therapeutic cancer vaccine trials.
- To identify trends in vaccine platforms, adjuvant use, target indications, and treatment combinations.
- To examine the relationship between trends and the Phase 3: Phase 2 trial ratio.
Main Methods:
- Quantitative analysis of published Phase 2 and Phase 3 therapeutic cancer vaccine trial data.
- Trend analysis focusing on vaccine platforms, adjuvants, indications, and combination therapies.
- Comparative analysis of trial phase ratios across different vaccine platforms.
Main Results:
- Identified shifts in vaccine platforms, adjuvant usage, and target indications over time.
- Observed trends in antibody and treatment combinations in recent versus past trials.
- Phase 3 trial registrations remained stable between 2010 and 2014, despite a low overall success rate for vaccine approvals.
Conclusions:
- Continued investment in therapeutic cancer vaccine development is evident from stable Phase 3 trial registrations.
- Understanding historical trends is crucial for future development of immunotherapeutic vaccines.
- Further research into successful vaccine platforms and combination strategies is warranted.
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