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Updated: Jun 28, 2026

Nucleoside Triphosphates - From Synthesis to Biochemical Characterization
Published on: April 3, 2014
[Acyclic nucleoside phosphonates as potential antineoplastic agents].
1Ustav organické chemie a biochemie, v.v.i., AV CR, Praha. votruba@uochb.cas.cz
Gilead Sciences
Area of Science:
- Medicinal Chemistry
- Pharmacology
- Oncology
Background:
- GS-9219 is a novel lipophilic prodrug.
- It releases the active compound PMEG through a two-step intracellular process.
- cyprPMEDAP is a key intermediate in GS-9219 activation.
Purpose of the Study:
- To investigate the potential of GS-9219 as a cytostatic drug.
- To explore the therapeutic applications of GS-9219 and its intermediates in lymphoma treatment.
- To detail the mechanism of action of PMEG and cyprPMEDAP.
Main Methods:
- Synthesis and characterization of GS-9219, cyprPMEDAP, and PMEG.
- In vivo studies using spontaneous non-Hodgkin's lymphoma in dogs.
- Biological evaluation of drug efficacy and mechanism in rat lymphoma models.
Main Results:
- GS-9219 demonstrated significant therapeutic potential in canine lymphoma models.
- The intracellular activation pathway involving cyprPMEDAP and PMEG was elucidated.
- Acyclic nucleoside phosphonates PMEG and cyprPMEDAP form the basis for GS-9219 development.
Conclusions:
- GS-9219 shows promise as a cytostatic agent for non-Hodgkin's lymphoma.
- Further research into GS-9219 for human medicine is warranted.
- The study highlights the importance of cyprPMEDAP and PMEG in the drug's mechanism of action.
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