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Published on: May 21, 2018
Ribozyme pharmacokinetic screening for predicting pharmacodynamic dosing regimens
T J Parry1, K S Bouhana, K S Blanchard
1Human Genome Sciences, Inc, Rockville, MD 20850, USA.
Pharmacokinetic analysis optimizes dosing for synthetic ribozymes like ANGIOZYME, which targets vascular endothelial growth factor receptor (Flt-1) mRNA. This approach is crucial for developing systemic therapies against metastatic cancer.
Area of Science:
- Molecular Biology
- Pharmacology
- Oncology
Background:
- Synthetic ribozymes are being chemically stabilized for systemic disease applications.
- ANGIOZYME, a nuclease-stabilized hammerhead ribozyme, targets Flt-1 mRNA, a receptor implicated in tumor growth and metastasis.
- Flt-1 receptor stimulation may drive tumor neovascularization, growth, and metastasis.
Purpose of the Study:
- To explore the systemic use of ANGIOZYME to downregulate Flt-1 in a murine model of metastatic cancer.
- To apply pharmacokinetic analysis for selecting an optimal dosing regimen for pharmacodynamic screening.
- To demonstrate the necessity of pharmacokinetic analysis for optimizing systemic synthetic ribozyme studies.
Main Methods:
- Development of a nuclease-stabilized synthetic hammerhead ribozyme (ANGIOZYME).
- Targeting of vascular endothelial growth factor receptor (Flt-1) mRNA.
- Application of pharmacokinetic analysis to determine dosing regimens.
- Pharmacodynamic screening in a syngeneic murine model of metastatic cancer.
Main Results:
- Pharmacokinetic analysis was applied to select a dosing regimen for ANGIOZYME.
- The study explored the systemic administration of ANGIOZYME in a cancer model.
- The results underscore the importance of pharmacokinetic analysis in this context.
Conclusions:
- Appropriate pharmacokinetic analysis is essential for optimizing systemic pharmacodynamic studies.
- This approach is necessary for the effective systemic use of synthetic ribozymes.
- Optimized dosing regimens are critical for the therapeutic potential of synthetic ribozymes in cancer treatment.
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