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Published on: January 31, 2018
Discussion of PARP inhibitors in cancer therapy
1Department of Radiation Oncology, Comprehensive Cancer Center, School of Medicine, University of Alabama at Birmingham, 1700 6th Avenue South, AL 35294-6832, USA.
Abstract:
Poly (ADP-ribose) polymerases (PARP) are a family of enzymes that play a very important role in preserving the integrity of the genome. Recently, PARP inhibitors have been shown to enhance the therapeutic ratio in cancer patients due to their specific targeting of homologous recombination repair-defective tumors, through a synthetic lethal interaction. Researchers are also presently investigating novel strategies for the treatment of sporadic cancers by combining PARP inhibitors with other DNA-damaging agents. This review will focus on recently patented PARP inhibitors and literature that supports the reported claims presented in these patents. The patents reviewed were categorized into two groups: PARP inhibitors as a single-agent or in combination with other agents for the treatment of various types of cancer. These compounds are currently in clinical trials and, if successful, can greatly impact therapeutic index in cancer therapy.
Insights
Poly (ADP-ribose) polymerases (PARP) inhibitors show promise in cancer therapy by targeting DNA repair defects. Recent patents reveal novel strategies, including combinations with DNA-damaging agents, for improved cancer treatment outcomes.
Area of Science:
- Oncology
- Genetics
- Pharmacology
Background:
- Poly (ADP-ribose) polymerases (PARP) are crucial enzymes for maintaining genome integrity.
- PARP inhibitors exploit synthetic lethality in homologous recombination repair-deficient tumors, enhancing therapeutic ratios.
- Current research explores combining PARP inhibitors with DNA-damaging agents for sporadic cancer treatment.
Purpose of the Study:
- To review recently patented PARP inhibitors and supporting literature.
- To categorize patented compounds into single-agent or combination therapies.
- To assess the potential impact of these agents on cancer therapy.
Main Methods:
- Literature review of patented PARP inhibitors.
- Categorization of patents based on therapeutic strategy (single-agent vs. combination).
- Analysis of supporting scientific literature for patented claims.
Main Results:
- Identification of patented PARP inhibitors for cancer treatment.
- Classification of compounds into monotherapy and combination therapy patents.
- Evidence supporting the efficacy of these agents in various cancer types.
Conclusions:
- Patented PARP inhibitors represent a significant advancement in cancer therapy.
- Combination strategies show potential for treating sporadic cancers.
- Clinical trials will determine the impact of these agents on the therapeutic index in cancer treatment.
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